Changeset 3643 for pjproject/branches/projects/2.0-dev

Timestamp:

Jul 14, 2011 8:46:19 AM (13 years ago)

Author:

ming

Message:

Re #1278: NSApplication and NSAutoreleasePool management for Mac OS X

Application now needs to call pj_run_app() from its main() function and pass a pointer to the application's main function. For some examples, please refer to aviplay, pjmedia_test, and pjsua.

Location:

pjproject/branches/projects/2.0-dev

Files:

• aconfigure (modified) (279 diffs)
• aconfigure.ac (modified) (1 diff)
• pjlib/include/pj/os.h (modified) (1 diff)
• pjlib/src/pj/os_core_darwin.m (added)
• pjlib/src/pj/os_core_symbian.cpp (modified) (1 diff)
• pjlib/src/pj/os_core_unix.c (modified) (1 diff)
• pjlib/src/pj/os_core_win32.c (modified) (1 diff)
• pjmedia/build/Makefile (modified) (1 diff)
• pjmedia/include/pjmedia_videodev.h (modified) (1 diff)
• pjmedia/src/test/main.c (modified) (3 diffs)
• pjmedia/src/test/test.c (modified) (6 diffs)
• pjsip-apps/src/pjsua/main.c (modified) (4 diffs)
• pjsip-apps/src/samples/aviplay.c (modified) (3 diffs)

pjproject/branches/projects/2.0-dev/aconfigure

@@ -1 +1 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for pjproject 1.x.
-#
+# Generated by GNU Autoconf 2.61 for pjproject 1.x.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
-# Inc.
-#
-#
+# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
-esac
-fi
-
-
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-        expr "X$arg" : "X\\(.*\\)$as_nl";
-        arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
 fi
 
@@ -87 +64 @@
 # (If _AS_PATH_WALK were called with IFS unset, it would disable word
 # splitting by setting IFS to empty value.)
+as_nl='
+'
 IFS=" ""        $as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in #((
+case $0 in
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -97 +76 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-  done
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
 IFS=$as_save_IFS
 
@@ -109 +88 @@
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
-fi
-
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
 done
 PS1='$ '
@@ -126 +101 @@
 
 # NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '\${1+\"\$@\"}'='\"\$@\"'
-  setopt NO_GLOB_SUBST
-else
-  case \`(set -o) 2>/dev/null\` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
-esac
-fi
-"
-  as_required="as_fn_return () { (exit \$1); }
-as_fn_success () { as_fn_return 0; }
-as_fn_failure () { as_fn_return 1; }
-as_fn_ret_success () { return 0; }
-as_fn_ret_failure () { return 1; }
-
-exitcode=0
-as_fn_success || { exitcode=1; echo as_fn_success failed.; }
-as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
-as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
-as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
-if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
-
-else
-  exitcode=1; echo positional parameters were not saved.
-fi
-test x\$exitcode = x0 || exit 1"
-  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
-  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
-  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
-  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
-test \$(( 1 + 1 )) = 2 || exit 1"
-  if (eval "$as_required") 2>/dev/null; then :
-  as_have_required=yes
-else
-  as_have_required=no
-fi
-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
-
-else
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-as_found=false
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+for as_var in \
+  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+  LC_TELEPHONE LC_TIME
 do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  as_found=:
-  case $as_dir in #(
-         /*)
-           for as_base in sh bash ksh sh5; do
-             # Try only shells that exist, to save several forks.
-             as_shell=$as_dir/$as_base
-             if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-                    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
-  CONFIG_SHELL=$as_shell as_have_required=yes
-                   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
-  break 2
-fi
-fi
-           done;;
-       esac
-  as_found=false
+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+    eval $as_var=C; export $as_var
+  else
+    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+  fi
 done
-$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
-              { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
-  CONFIG_SHELL=$SHELL as_have_required=yes
-fi; }
-IFS=$as_save_IFS
-
-
-      if test "x$CONFIG_SHELL" != x; then :
-  # We cannot yet assume a decent shell, so we have to provide a
-        # neutralization value for shells without unset; and this also
-        # works around shells that cannot unset nonexistent variables.
-        BASH_ENV=/dev/null
-        ENV=/dev/null
-        (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-        export CONFIG_SHELL
-        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
-fi
-
-    if test x$as_have_required = xno; then :
-  $as_echo "$0: This script requires a shell more modern than all"
-  $as_echo "$0: the shells that I found on your system."
-  if test x${ZSH_VERSION+set} = xset ; then
-    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
-  else
-    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
-$0: including any error possibly output before this
-$0: message. Then install a modern shell, or manually run
-$0: the script under such a shell if you do have one."
-  fi
-  exit 1
-fi
-fi
-fi
-SHELL=${CONFIG_SHELL-/bin/sh}
-export SHELL
-# Unset more variables known to interfere with behavior of common tools.
-CLICOLOR_FORCE= GREP_OPTIONS=
-unset CLICOLOR_FORCE GREP_OPTIONS
-
-## --------------------- ##
-## M4sh Shell Functions. ##
-## --------------------- ##
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
-}
-as_unset=as_fn_unset
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-
-# as_fn_mkdir_p
-# -------------
-# Create "$as_dir" as a directory, including parents if necessary.
-as_fn_mkdir_p ()
-{
-
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || eval $as_mkdir_p || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$as_dir" : 'X\(//\)[^/]' \| \
-         X"$as_dir" : 'X\(//\)$' \| \
-         X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-            s//\1/
-            q
-          }
-          /^X\(\/\/\)[^/].*/{
-            s//\1/
-            q
-          }
-          /^X\(\/\/\)$/{
-            s//\1/
-            q
-          }
-          /^X\(\/\).*/{
-            s//\1/
-            q
-          }
-          s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
-
-
-} # as_fn_mkdir_p
-# as_fn_append VAR VALUE
-# ----------------------
-# Append the text in VALUE to the end of the definition contained in VAR. Take
-# advantage of any shell optimizations that allow amortized linear growth over
-# repeated appends, instead of the typical quadratic growth present in naive
-# implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
-  eval 'as_fn_append ()
-  {
-    eval $1+=\$2
-  }'
-else
-  as_fn_append ()
-  {
-    eval $1=\$$1\$2
-  }
-fi # as_fn_append
-
-# as_fn_arith ARG...
-# ------------------
-# Perform arithmetic evaluation on the ARGs, and store the result in the
-# global $as_val. Take advantage of shells that can avoid forks. The arguments
-# must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
-else
-  as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  }
-fi # as_fn_arith
-
-
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
-# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
-# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
-as_fn_error ()
-{
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
-  fi
-  $as_echo "$as_me: error: $1" >&2
-  as_fn_exit $as_status
-} # as_fn_error
-
+
+# Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
@@ -386 +127 @@
 fi
 
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
+
+# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
          X"$0" : 'X\(//\)$' \| \
          X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
             s//\1/
@@ -411 +148 @@
           s/.*/./; q'`
 
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+# CDPATH.
+$as_unset CDPATH
+
+
+if test "x$CONFIG_SHELL" = x; then
+  if (eval ":") 2>/dev/null; then
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+
+  if test $as_have_required = yes &&     (eval ":
+(as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=\$LINENO
+  as_lineno_2=\$LINENO
+  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
+  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
+") 2> /dev/null; then
+  :
+else
+  as_candidate_shells=
+    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  case $as_dir in
+         /*)
+           for as_base in sh bash ksh sh5; do
+             as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
+           done;;
+       esac
+done
+IFS=$as_save_IFS
+
+
+      for as_shell in $as_candidate_shells $SHELL; do
+         # Try only shells that exist, to save several forks.
+         if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+                { ("$as_shell") 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+_ASEOF
+}; then
+  CONFIG_SHELL=$as_shell
+               as_have_required=yes
+               if { "$as_shell" 2> /dev/null <<\_ASEOF
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+:
+(as_func_return () {
+  (exit $1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = "$1" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test $exitcode = 0) || { (exit 1); exit 1; }
+
+(
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
+
+_ASEOF
+}; then
+  break
+fi
+
+fi
+
+      done
+
+      if test "x$CONFIG_SHELL" != x; then
+  for as_var in BASH_ENV ENV
+        do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+        done
+        export CONFIG_SHELL
+        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+fi
+
+
+    if test $as_have_required = no; then
+  echo This script requires a shell more modern than all the
+      echo shells that I found on your system.  Please install a
+      echo modern shell, or manually run the script under such a
+      echo shell if you do have one.
+      { (exit 1); exit 1; }
+fi
+
+
+fi
+
+fi
+
+
+
+(eval "as_func_return () {
+  (exit \$1)
+}
+as_func_success () {
+  as_func_return 0
+}
+as_func_failure () {
+  as_func_return 1
+}
+as_func_ret_success () {
+  return 0
+}
+as_func_ret_failure () {
+  return 1
+}
+
+exitcode=0
+if as_func_success; then
+  :
+else
+  exitcode=1
+  echo as_func_success failed.
+fi
+
+if as_func_failure; then
+  exitcode=1
+  echo as_func_failure succeeded.
+fi
+
+if as_func_ret_success; then
+  :
+else
+  exitcode=1
+  echo as_func_ret_success failed.
+fi
+
+if as_func_ret_failure; then
+  exitcode=1
+  echo as_func_ret_failure succeeded.
+fi
+
+if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
+  :
+else
+  exitcode=1
+  echo positional parameters were not saved.
+fi
+
+test \$exitcode = 0") || {
+  echo No shell found that supports shell functions.
+  echo Please tell autoconf@gnu.org about your system,
+  echo including any error possibly output before this
+  echo message
+}
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
   sed -n '
     p
@@ -440 +452 @@
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
@@ -450 +463 @@
 }
 
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
+case `echo -n x` in
 -n*)
-  case `echo 'xy\c'` in
+  case `echo 'x\c'` in
   *c*) ECHO_T=' ';;     # ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T=' ';;
+  *)   ECHO_C='\c';;
   esac;;
 *)
@@ -463 +481 @@
 esac
 
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
@@ -468 +493 @@
 else
   rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
+  mkdir conf$$.dir
+fi
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s='ln -s'
+  # ... but there are two gotchas:
+  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+  # In both cases, we have to default to `cp -p'.
+  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
     as_ln_s='cp -p'
-  fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
 else
   as_ln_s='cp -p'
@@ -491 +513 @@
 
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p='mkdir -p "$as_dir"'
+  as_mkdir_p=:
 else
   test -d ./-p && rmdir ./-p
@@ -508 +530 @@
     eval sh -c '\''
       if test -d "$1"; then
-        test -d "$1/.";
+        test -d "$1/.";
       else
-        case $1 in #(
-        -*)set "./$1";;
+        case $1 in
+        -*)set "./$1";;
         esac;
-        case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+        case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
         ???[sx]*):;;*)false;;esac;fi
     '\'' sh
@@ -527 +549 @@
 
 
-test -n "$DJDIR" || exec 7<&0 </dev/null
-exec 6>&1
+
+exec 7<&0 </dev/null 6>&1
 
 # Name of the host.
@@ -546 +568 @@
 MFLAGS=
 MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Identity of this package.
@@ -553 +576 @@
 PACKAGE_STRING='pjproject 1.x'
 PACKAGE_BUGREPORT=''
-PACKAGE_URL=''
 
 # Factoring default headers for most tests.
@@ -591 +613 @@
 #endif"
 
-ac_subst_vars='LTLIBOBJS
+ac_subst_vars='SHELL
+PATH_SEPARATOR
+PACKAGE_NAME
+PACKAGE_TARNAME
+PACKAGE_VERSION
+PACKAGE_STRING
+PACKAGE_BUGREPORT
+exec_prefix
+prefix
+program_transform_name
+bindir
+sbindir
+libexecdir
+datarootdir
+datadir
+sysconfdir
+sharedstatedir
+localstatedir
+includedir
+oldincludedir
+docdir
+infodir
+htmldir
+dvidir
+pdfdir
+psdir
+libdir
+localedir
+mandir
+DEFS
+ECHO_C
+ECHO_N
+ECHO_T
+LIBS
+build_alias
+host_alias
+target_alias
+build
+build_cpu
+build_vendor
+build_os
+host
+host_cpu
+host_vendor
+host_os
+target
+target_cpu
+target_vendor
+target_os
+CC
+CFLAGS
+LDFLAGS
+CPPFLAGS
+ac_ct_CC
+EXEEXT
+OBJEXT
+CXX
+CXXFLAGS
+ac_ct_CXX
+AR
+LD
+LDOUT
+RANLIB
+LIBEXT
+LIBEXT2
+CC_OUT
+CC_INC
+CC_DEF
+CC_OPTIMIZE
+CC_CFLAGS
+ac_pjdir
+ac_build_mak_vars
+CPP
+GREP
+EGREP
+ac_os_objs
+ac_external_speex
+ac_external_gsm
+ac_pjmedia_snd
+ac_external_pa
+ac_pa_cflags
+ac_pa_use_alsa
+ac_pa_use_oss
+ac_pjmedia_video
+ac_ios_cflags
+ac_pjmedia_video_has_qt
+ac_qt_cflags
+ac_no_small_filter
+ac_no_large_filter
+ac_no_speex_aec
+ac_no_g711_codec
+ac_no_l16_codec
+ac_no_gsm_codec
+ac_no_g722_codec
+ac_no_g7221_codec
+ac_no_speex_codec
+ac_no_ilbc_codec
+ac_sdl_cflags
+ac_sdl_ldflags
+ac_has_ffmpeg
+ac_ffmpeg_cflags
+ac_ffmpeg_ldflags
+ac_v4l2_cflags
+ac_v4l2_ldflags
+ac_no_ssl
+openssl_h_present
+libssl_present
+libcrypto_present
+ac_cross_compile
+ac_linux_poll
+ac_host
+ac_main_obj
 LIBOBJS
-ac_main_obj
-ac_host
-ac_linux_poll
-ac_cross_compile
-libcrypto_present
-libssl_present
-openssl_h_present
-ac_no_ssl
-ac_v4l2_ldflags
-ac_v4l2_cflags
-ac_ffmpeg_ldflags
-ac_ffmpeg_cflags
-ac_has_ffmpeg
-ac_sdl_ldflags
-ac_sdl_cflags
-ac_no_ilbc_codec
-ac_no_speex_codec
-ac_no_g7221_codec
-ac_no_g722_codec
-ac_no_gsm_codec
-ac_no_l16_codec
-ac_no_g711_codec
-ac_no_speex_aec
-ac_no_large_filter
-ac_no_small_filter
-ac_qt_cflags
-ac_pjmedia_video_has_qt
-ac_ios_cflags
-ac_pjmedia_video
-ac_pa_use_oss
-ac_pa_use_alsa
-ac_pa_cflags
-ac_external_pa
-ac_pjmedia_snd
-ac_external_gsm
-ac_external_speex
-ac_os_objs
-EGREP
-GREP
-CPP
-ac_build_mak_vars
-ac_pjdir
-CC_CFLAGS
-CC_OPTIMIZE
-CC_DEF
-CC_INC
-CC_OUT
-LIBEXT2
-LIBEXT
-RANLIB
-LDOUT
-LD
-AR
-ac_ct_CXX
-CXXFLAGS
-CXX
-OBJEXT
-EXEEXT
-ac_ct_CC
-CPPFLAGS
-LDFLAGS
-CFLAGS
-CC
-target_os
-target_vendor
-target_cpu
-target
-host_os
-host_vendor
-host_cpu
-host
-build_os
-build_vendor
-build_cpu
-build
-target_alias
-host_alias
-build_alias
-LIBS
-ECHO_T
-ECHO_N
-ECHO_C
-DEFS
-mandir
-localedir
-libdir
-psdir
-pdfdir
-dvidir
-htmldir
-infodir
-docdir
-oldincludedir
-includedir
-localstatedir
-sharedstatedir
-sysconfdir
-datadir
-datarootdir
-libexecdir
-sbindir
-bindir
-program_transform_name
-prefix
-exec_prefix
-PACKAGE_URL
-PACKAGE_BUGREPORT
-PACKAGE_STRING
-PACKAGE_VERSION
-PACKAGE_TARNAME
-PACKAGE_NAME
-PATH_SEPARATOR
-SHELL'
+LTLIBOBJS'
 ac_subst_files=''
-ac_user_opts='
-enable_option_checking
-enable_floating_point
-enable_epoll
-with_external_speex
-with_external_gsm
-enable_sound
-with_external_pa
-enable_oss
-enable_ext_sound
-enable_small_filter
-enable_large_filter
-enable_speex_aec
-enable_g711_codec
-enable_l16_codec
-enable_gsm_codec
-enable_g722_codec
-enable_g7221_codec
-enable_speex_codec
-enable_ilbc_codec
-enable_libsamplerate
-enable_sdl
-enable_ffmpeg
-with_ffmpeg
-enable_v4l2
-enable_ipp
-with_ipp
-with_ipp_samples
-with_ipp_arch
-enable_ssl
-'
       ac_precious_vars='build_alias
 host_alias
@@ -755 +745 @@
 ac_init_help=
 ac_init_version=false
-ac_unrecognized_opts=
-ac_unrecognized_sep=
 # The variables have the same names as the options, with
 # dashes changed to underlines.
@@ -855 +843 @@
 
   -disable-* | --disable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"enable_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
-         ac_unrecognized_sep=', ';;
-    esac
-    eval enable_$ac_useropt=no ;;
+    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+   { (exit 1); exit 1; }; }
+    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
+    eval enable_$ac_feature=no ;;
 
   -docdir | --docdir | --docdi | --doc | --do)
@@ -881 +862 @@
 
   -enable-* | --enable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid feature name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"enable_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
-         ac_unrecognized_sep=', ';;
-    esac
-    eval enable_$ac_useropt=\$ac_optarg ;;
+    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+   { (exit 1); exit 1; }; }
+    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
+    eval enable_$ac_feature=\$ac_optarg ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
@@ -1085 +1059 @@
 
   -with-* | --with-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"with_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
-         ac_unrecognized_sep=', ';;
-    esac
-    eval with_$ac_useropt=\$ac_optarg ;;
+    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
+   { (exit 1); exit 1; }; }
+    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
+    eval with_$ac_package=\$ac_optarg ;;
 
   -without-* | --without-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error "invalid package name: $ac_useropt"
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"with_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
-         ac_unrecognized_sep=', ';;
-    esac
-    eval with_$ac_useropt=no ;;
+    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
+   { (exit 1); exit 1; }; }
+    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
+    eval with_$ac_package=no ;;
 
   --x)
@@ -1134 +1094 @@
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information."
+  -*) { echo "$as_me: error: unrecognized option: $ac_option
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; }
     ;;
 
@@ -1141 +1102 @@
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    case $ac_envvar in #(
-      '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error "invalid variable name: \`$ac_envvar'" ;;
-    esac
+    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+   { (exit 1); exit 1; }; }
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1150 +1110 @@
   *)
     # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
@@ -1161 +1121 @@
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  as_fn_error "missing argument to $ac_option"
-fi
-
-if test -n "$ac_unrecognized_opts"; then
-  case $enable_option_checking in
-    no) ;;
-    fatal) as_fn_error "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
-  esac
-fi
-
-# Check all directory arguments for consistency.
+  { echo "$as_me: error: missing argument to $ac_option" >&2
+   { (exit 1); exit 1; }; }
+fi
+
+# Be sure to have absolute directory names.
 for ac_var in   exec_prefix prefix bindir sbindir libexecdir datarootdir \
                 datadir sysconfdir sharedstatedir localstatedir includedir \
@@ -1179 +1132 @@
 do
   eval ac_val=\$$ac_var
-  # Remove trailing slashes.
-  case $ac_val in
-    */ )
-      ac_val=`expr "X$ac_val" : 'X\(.*[^/]\)' \| "X$ac_val" : 'X\(.*\)'`
-      eval $ac_var=\$ac_val;;
-  esac
-  # Be sure to have absolute directory names.
   case $ac_val in
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  as_fn_error "expected an absolute directory name for --$ac_var: $ac_val"
+  { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+   { (exit 1); exit 1; }; }
 done
 
@@ -1204 +1151 @@
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+    echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
     If a cross compiler is detected then cross compile mode will be used." >&2
   elif test "x$build_alias" != "x$host_alias"; then
@@ -1220 +1167 @@
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  as_fn_error "working directory cannot be determined"
+  { echo "$as_me: error: Working directory cannot be determined" >&2
+   { (exit 1); exit 1; }; }
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  as_fn_error "pwd does not report name of working directory"
+  { echo "$as_me: error: pwd does not report name of working directory" >&2
+   { (exit 1); exit 1; }; }
 
 
@@ -1229 +1178 @@
   ac_srcdir_defaulted=yes
   # Try the directory containing this script, then the parent directory.
-  ac_confdir=`$as_dirname -- "$as_myself" ||
-$as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$as_myself" : 'X\(//\)[^/]' \| \
-         X"$as_myself" : 'X\(//\)$' \| \
-         X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_myself" |
+  ac_confdir=`$as_dirname -- "$0" ||
+$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+         X"$0" : 'X\(//\)[^/]' \| \
+         X"$0" : 'X\(//\)$' \| \
+         X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$0" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
             s//\1/
@@ -1261 +1210 @@
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  as_fn_error "cannot find sources ($ac_unique_file) in $srcdir"
+  { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+   { (exit 1); exit 1; }; }
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-        cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error "$ac_msg"
+        cd "$srcdir" && test -r "./$ac_unique_file" || { echo "$as_me: error: $ac_msg" >&2
+   { (exit 1); exit 1; }; }
         pwd)`
 # When building in place, set srcdir=.
@@ -1313 +1264 @@
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
-                          [$ac_default_prefix]
+                          [$ac_default_prefix]
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
-                          [PREFIX]
+                          [PREFIX]
 
 By default, \`make install' will install all the files in
@@ -1325 +1276 @@
 
 Fine tuning of the installation directories:
-  --bindir=DIR            user executables [EPREFIX/bin]
-  --sbindir=DIR           system admin executables [EPREFIX/sbin]
-  --libexecdir=DIR        program executables [EPREFIX/libexec]
-  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
-  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
-  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
-  --libdir=DIR            object code libraries [EPREFIX/lib]
-  --includedir=DIR        C header files [PREFIX/include]
-  --oldincludedir=DIR     C header files for non-gcc [/usr/include]
-  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
-  --datadir=DIR           read-only architecture-independent data [DATAROOTDIR]
-  --infodir=DIR           info documentation [DATAROOTDIR/info]
-  --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
-  --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/pjproject]
-  --htmldir=DIR           html documentation [DOCDIR]
-  --dvidir=DIR            dvi documentation [DOCDIR]
-  --pdfdir=DIR            pdf documentation [DOCDIR]
-  --psdir=DIR             ps documentation [DOCDIR]
+  --bindir=DIR           user executables [EPREFIX/bin]
+  --sbindir=DIR          system admin executables [EPREFIX/sbin]
+  --libexecdir=DIR       program executables [EPREFIX/libexec]
+  --sysconfdir=DIR       read-only single-machine data [PREFIX/etc]
+  --sharedstatedir=DIR   modifiable architecture-independent data [PREFIX/com]
+  --localstatedir=DIR    modifiable single-machine data [PREFIX/var]
+  --libdir=DIR           object code libraries [EPREFIX/lib]
+  --includedir=DIR       C header files [PREFIX/include]
+  --oldincludedir=DIR    C header files for non-gcc [/usr/include]
+  --datarootdir=DIR      read-only arch.-independent data root [PREFIX/share]
+  --datadir=DIR          read-only architecture-independent data [DATAROOTDIR]
+  --infodir=DIR          info documentation [DATAROOTDIR/info]
+  --localedir=DIR        locale-dependent data [DATAROOTDIR/locale]
+  --mandir=DIR           man documentation [DATAROOTDIR/man]
+  --docdir=DIR           documentation root [DATAROOTDIR/doc/pjproject]
+  --htmldir=DIR          html documentation [DOCDIR]
+  --dvidir=DIR           dvi documentation [DOCDIR]
+  --pdfdir=DIR           pdf documentation [DOCDIR]
+  --psdir=DIR            ps documentation [DOCDIR]
 _ACEOF
 
@@ -1362 +1313 @@
 
 Optional Features:
-  --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
@@ -1423 +1373 @@
               nonstandard directory <lib dir>
   LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CXX         C++ compiler command
@@ -1432 +1382 @@
 it to find libraries and programs with nonstandard names/locations.
 
-Report bugs to the package provider.
 _ACEOF
 ac_status=$?
@@ -1440 +1389 @@
   # If there are subdirs, report their specific --help.
   for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
-    test -d "$ac_dir" ||
-      { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
-      continue
+    test -d "$ac_dir" || continue
     ac_builddir=.
 
@@ -1448 +1395 @@
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
@@ -1486 +1433 @@
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
@@ -1496 +1443 @@
   cat <<\_ACEOF
 pjproject configure 1.x
-generated by GNU Autoconf 2.65
-
-Copyright (C) 2009 Free Software Foundation, Inc.
+generated by GNU Autoconf 2.61
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
@@ -1504 +1452 @@
   exit
 fi
-
-## ------------------------ ##
-## Autoconf initialization. ##
-## ------------------------ ##
-
-# ac_fn_c_try_compile LINENO
-# --------------------------
-# Try to compile conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
-  if { { ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compile") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-        ac_retval=1
-fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_compile
-
-# ac_fn_cxx_try_compile LINENO
-# ----------------------------
-# Try to compile conftest.$ac_ext, and return whether this succeeded.
-ac_fn_cxx_try_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext
-  if { { ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compile") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-         test -z "$ac_cxx_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-        ac_retval=1
-fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_cxx_try_compile
-
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_link ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-         test -z "$ac_c_werror_flag" ||
-         test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-         test "$cross_compiling" = yes ||
-         $as_test_x conftest$ac_exeext
-       }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-        ac_retval=1
-fi
-  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
-  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
-  # interfere with the next link command; also delete a directory that is
-  # left behind by Apple's compiler.  We do this before executing the actions.
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
-
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_c_try_run ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-       $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-       ac_retval=$ac_status
-fi
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_run
-
-# ac_fn_c_try_cpp LINENO
-# ----------------------
-# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_cpp ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
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-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } >/dev/null && {
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-         test ! -s conftest.err
-       }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-    ac_retval=1
-fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_cpp
-
-# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-               { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_header_compile
-
-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_c_check_header_mongrel ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
-               { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
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-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_header_compiler=yes
-else
-  ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <$2>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-  ac_header_preproc=yes
-else
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
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-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
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-    ;;
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-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_header_mongrel
-
-# ac_fn_c_check_func LINENO FUNC VAR
-# ----------------------------------
-# Tests whether FUNC exists, setting the cache variable VAR accordingly
-ac_fn_c_check_func ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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-/* end confdefs.h.  */
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-
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-
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-# include <assert.h>
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-
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-
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-extern "C"
-#endif
-char $2 ();
-/* The GNU C library defines this for functions which it implements
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-#if defined __stub_$2 || defined __stub___$2
-choke me
-#endif
-
-int
-main ()
-{
-return $2 ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-               { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_func
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
@@ -1899 +1457 @@
 
 It was created by pjproject $as_me 1.x, which was
-generated by GNU Autoconf 2.65.  Invocation command line was
+generated by GNU Autoconf 2.61.  Invocation command line was
 
   $ $0 $@
@@ -1935 +1493 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    $as_echo "PATH: $as_dir"
-  done
+  echo "PATH: $as_dir"
+done
 IFS=$as_save_IFS
 
@@ -1970 +1528 @@
       continue ;;
     *\'*)
-      ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
     2)
-      as_fn_append ac_configure_args1 " '$ac_arg'"
+      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
       if test $ac_must_keep_next = true; then
         ac_must_keep_next=false # Got value, back to normal.
@@ -1991 +1549 @@
         esac
       fi
-      as_fn_append ac_configure_args " '$ac_arg'"
+      ac_configure_args="$ac_configure_args '$ac_arg'"
       ;;
     esac
   done
 done
-{ ac_configure_args0=; unset ac_configure_args0;}
-{ ac_configure_args1=; unset ac_configure_args1;}
+$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
+$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
 
 # When interrupted or exit'd, cleanup temporary files, and complete
@@ -2022 +1580 @@
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
+      *) $as_unset $ac_var ;;
       esac ;;
     esac
@@ -2057 +1614 @@
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
       esac
-      $as_echo "$ac_var='\''$ac_val'\''"
+      echo "$ac_var='\''$ac_val'\''"
     done | sort
     echo
@@ -2074 +1631 @@
         eval ac_val=\$$ac_var
         case $ac_val in
-        *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+        *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
         esac
-        $as_echo "$ac_var='\''$ac_val'\''"
+        echo "$ac_var='\''$ac_val'\''"
       done | sort
       echo
@@ -2092 +1649 @@
     fi
     test "$ac_signal" != 0 &&
-      $as_echo "$as_me: caught signal $ac_signal"
-    $as_echo "$as_me: exit $exit_status"
+      echo "$as_me: caught signal $ac_signal"
+    echo "$as_me: exit $exit_status"
   } >&5
   rm -f core *.core core.conftest.* &&
@@ -2100 +1657 @@
 ' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
 done
 ac_signal=0
@@ -2107 +1664 @@
 rm -f -r conftest* confdefs.h
 
-$as_echo "/* confdefs.h */" > confdefs.h
-
 # Predefined preprocessor variables.
 
@@ -2115 +1670 @@
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_TARNAME "$PACKAGE_TARNAME"
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_VERSION "$PACKAGE_VERSION"
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_STRING "$PACKAGE_STRING"
 _ACEOF
 
+
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
-cat >>confdefs.h <<_ACEOF
-#define PACKAGE_URL "$PACKAGE_URL"
-_ACEOF
-
 
 # Let the site file select an alternate cache file if it wants to.
-# Prefer an explicitly selected file to automatically selected ones.
-ac_site_file1=NONE
-ac_site_file2=NONE
+# Prefer explicitly selected file to automatically selected ones.
 if test -n "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  set x "$CONFIG_SITE"
 elif test "x$prefix" != xNONE; then
-  ac_site_file1=$prefix/share/config.site
-  ac_site_file2=$prefix/etc/config.site
-else
-  ac_site_file1=$ac_default_prefix/share/config.site
-  ac_site_file2=$ac_default_prefix/etc/config.site
-fi
-for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+  set x "$prefix/share/config.site" "$prefix/etc/config.site"
+else
+  set x "$ac_default_prefix/share/config.site" \
+        "$ac_default_prefix/etc/config.site"
+fi
+shift
+for ac_site_file
 do
-  test "x$ac_site_file" = xNONE && continue
-  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+  if test -r "$ac_site_file"; then
+    { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file"
@@ -2161 +1713 @@
 
 if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special files
-  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
-  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-$as_echo "$as_me: loading cache $cache_file" >&6;}
+  # Some versions of bash will fail to source /dev/null (special
+  # files actually), so we avoid doing that.
+  if test -f "$cache_file"; then
+    { echo "$as_me:$LINENO: loading cache $cache_file" >&5
+echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
@@ -2172 +1724 @@
   fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-$as_echo "$as_me: creating cache $cache_file" >&6;}
+  { echo "$as_me:$LINENO: creating cache $cache_file" >&5
+echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
@@ -2187 +1739 @@
   case $ac_old_set,$ac_new_set in
     set,)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        # differences in whitespace do not lead to failure.
-        ac_old_val_w=`echo x $ac_old_val`
-        ac_new_val_w=`echo x $ac_new_val`
-        if test "$ac_old_val_w" != "$ac_new_val_w"; then
-          { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-          ac_cache_corrupted=:
-        else
-          { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
-          eval $ac_var=\$ac_old_val
-        fi
-        { $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-$as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-        { $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-$as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
+        { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+        { echo "$as_me:$LINENO:   former value:  $ac_old_val" >&5
+echo "$as_me:   former value:  $ac_old_val" >&2;}
+        { echo "$as_me:$LINENO:   current value: $ac_new_val" >&5
+echo "$as_me:   current value: $ac_new_val" >&2;}
+        ac_cache_corrupted=:
       fi;;
   esac
@@ -2218 +1761 @@
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
       *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
-fi
-## -------------------- ##
-## Main body of script. ##
-## -------------------- ##
+  { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+  { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 ac_ext=c
@@ -2250 +1814 @@
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
-  for ac_t in install-sh install.sh shtool; do
-    if test -f "$ac_dir/$ac_t"; then
-      ac_aux_dir=$ac_dir
-      ac_install_sh="$ac_aux_dir/$ac_t -c"
-      break 2
-    fi
-  done
+  if test -f "$ac_dir/install-sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f "$ac_dir/install.sh"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  elif test -f "$ac_dir/shtool"; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/shtool install -c"
+    break
+  fi
 done
 if test -z "$ac_aux_dir"; then
-  as_fn_error "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
+echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
@@ -2273 +1845 @@
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+  { { echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
+echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
+   { (exit 1); exit 1; }; }
+
+{ echo "$as_me:$LINENO: checking build system type" >&5
+echo $ECHO_N "checking build system type... $ECHO_C" >&6; }
+if test "${ac_cv_build+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_build_alias=$build_alias
@@ -2284 +1858 @@
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5
+  { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
+echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
+   { (exit 1); exit 1; }; }
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
+  { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+echo "${ECHO_T}$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical build" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
+echo "$as_me: error: invalid value of canonical build" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 build=$ac_cv_build
@@ -2309 +1889 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking host system type" >&5
+echo $ECHO_N "checking host system type... $ECHO_C" >&6; }
+if test "${ac_cv_host+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "x$host_alias" = x; then
@@ -2318 +1898 @@
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
+    { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+echo "${ECHO_T}$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
+echo "$as_me: error: invalid value of canonical host" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 host=$ac_cv_host
@@ -2342 +1926 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
-$as_echo_n "checking target system type... " >&6; }
-if test "${ac_cv_target+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking target system type" >&5
+echo $ECHO_N "checking target system type... $ECHO_C" >&6; }
+if test "${ac_cv_target+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test "x$target_alias" = x; then
@@ -2351 +1935 @@
 else
   ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
-$as_echo "$ac_cv_target" >&6; }
+    { { echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&5
+echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $target_alias failed" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_target" >&5
+echo "${ECHO_T}$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error "invalid value of canonical target" "$LINENO" 5;;
+*) { { echo "$as_me:$LINENO: error: invalid value of canonical target" >&5
+echo "$as_me: error: invalid value of canonical target" >&2;}
+   { (exit 1); exit 1; }; };;
 esac
 target=$ac_cv_target
@@ -2403 +1991 @@
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
@@ -2416 +2004 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -2430 +2018 @@
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -2443 +2031 @@
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2456 +2044 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -2470 +2058 @@
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -2482 +2070 @@
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
@@ -2496 +2088 @@
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
@@ -2509 +2101 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -2523 +2115 @@
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -2536 +2128 @@
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
@@ -2550 +2142 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
@@ -2557 +2149 @@
      fi
     ac_cv_prog_CC="cc"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -2580 +2172 @@
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -2595 +2187 @@
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CC"; then
@@ -2608 +2200 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -2622 +2214 @@
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-$as_echo "$CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -2639 +2231 @@
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2652 +2244 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -2666 +2258 @@
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-$as_echo "$ac_ct_CC" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -2682 +2274 @@
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
@@ -2693 +2289 @@
 
 
-test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "no acceptable C compiler found in \$PATH
-See \`config.log' for more details." "$LINENO" 5; }
+test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
-set X $ac_compile
-ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
-  { { ac_try="$ac_compiler $ac_option >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    sed '10a\
-... rest of stderr output deleted ...
-         10q' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-  fi
-  rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-done
-
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+echo "$as_me:$LINENO: checking for C compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -2735 +2345 @@
 _ACEOF
 ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+ac_clean_files="$ac_clean_files a.out a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-
-# The possible output files:
-ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
-
+{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
+echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; }
+ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+#
+# List of possible output files, starting from the most likely.
+# The algorithm is not robust to junk in `.', hence go to wildcards (a.*)
+# only as a last resort.  b.out is created by i960 compilers.
+ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out'
+#
+# The IRIX 6 linker writes into existing files which may not be
+# executable, retaining their permissions.  Remove them first so a
+# subsequent execution test works.
 ac_rmfiles=
 for ac_file in $ac_files
 do
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
     * ) ac_rmfiles="$ac_rmfiles $ac_file";;
   esac
@@ -2756 +2371 @@
 rm -f $ac_rmfiles
 
-if { { ac_try="$ac_link_default"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+if { (ac_try="$ac_link_default"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
@@ -2776 +2390 @@
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj )
         ;;
     [ab].out )
@@ -2783 +2397 @@
         break;;
     *.* )
-        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
         then :; else
            ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
@@ -2802 +2416 @@
   ac_file=''
 fi
-if test -z "$ac_file"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-$as_echo "$as_me: failed program was:" >&5
+
+{ echo "$as_me:$LINENO: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6; }
+if test -z "$ac_file"; then
+  echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status 77
-as_fn_error "C compiler cannot create executables
-See \`config.log' for more details." "$LINENO" 5; }; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
+{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
+See \`config.log' for more details." >&5
+echo "$as_me: error: C compiler cannot create executables
+See \`config.log' for more details." >&2;}
+   { (exit 77); exit 77; }; }
+fi
+
 ac_exeext=$ac_cv_exeext
 
-rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5
+echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; }
+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+# If not cross compiling, check that we can run a simple program.
+if test "$cross_compiling" != yes; then
+  if { ac_try='./$ac_file'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+        cross_compiling=yes
+    else
+        { { echo "$as_me:$LINENO: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+    fi
+  fi
+fi
+{ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+
+rm -f a.out a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
-$as_echo_n "checking for suffix of executables... " >&6; }
-if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: result: $cross_compiling" >&5
+echo "${ECHO_T}$cross_compiling" >&6; }
+
+{ echo "$as_me:$LINENO: checking for suffix of executables" >&5
+echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; }
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
@@ -2845 +2495 @@
   test -f "$ac_file" || continue
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
           break;;
@@ -2852 +2502 @@
 done
 else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." "$LINENO" 5; }
-fi
-rm -f conftest conftest$ac_cv_exeext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-$as_echo "$ac_cv_exeext" >&6; }
+  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest$ac_cv_exeext
+{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+echo "${ECHO_T}$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdio.h>
+{ echo "$as_me:$LINENO: checking for suffix of object files" >&5
+echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; }
+if test "${ac_cv_objext+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
 int
 main ()
 {
-FILE *f = fopen ("conftest.out", "w");
- return ferror (f) || fclose (f) != 0;
 
   ;
@@ -2877 +2536 @@
 }
 _ACEOF
-ac_clean_files="$ac_clean_files conftest.out"
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
-if test "$cross_compiling" != yes; then
-  { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-  if { ac_try='./conftest$ac_cv_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-    cross_compiling=no
-  else
-    if test "$cross_compiling" = maybe; then
-        cross_compiling=yes
-    else
-        { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." "$LINENO" 5; }
-    fi
-  fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
-
-rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
-ac_clean_files=$ac_clean_files_save
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
-$as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
 rm -f conftest.o conftest.obj
-if { { ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; then :
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
-    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;;
     *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
        break;;
@@ -2960 +2556 @@
 done
 else
-  $as_echo "$as_me: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." "$LINENO" 5; }
-fi
+{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-$as_echo "$ac_cv_objext" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+echo "${ECHO_T}$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
-$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; }
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -2993 +2595 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_compiler_gnu=yes
 else
-  ac_compiler_gnu=no
-fi
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_compiler_gnu=no
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-$as_echo "$ac_cv_c_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
-  GCC=yes
-else
-  GCC=
-fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; }
+GCC=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
-$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cc_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -3020 +2638 @@
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3031 +2653 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cc_g=yes
 else
-  CFLAGS=""
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        CFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3046 +2691 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
-  ac_c_werror_flag=$ac_save_c_werror_flag
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_c_werror_flag=$ac_save_c_werror_flag
          CFLAGS="-g"
-         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+         cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3062 +2730 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cc_g=yes
-fi
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-$as_echo "$ac_cv_prog_cc_g" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
@@ -3089 +2781 @@
   fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cc_c89+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdarg.h>
@@ -3153 +2849 @@
 do
   CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"; then :
+  rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cc_c89=$ac_arg
-fi
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
 rm -f core conftest.err conftest.$ac_objext
   test "x$ac_cv_prog_cc_c89" != "xno" && break
@@ -3166 +2884 @@
 case "x$ac_cv_prog_cc_c89" in
   x)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
+    { echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6; } ;;
   xno)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
+    { echo "$as_me:$LINENO: result: unsupported" >&5
+echo "${ECHO_T}unsupported" >&6; } ;;
   *)
     CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
-
-fi
+    { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+
 
 ac_ext=c
@@ -3200 +2916 @@
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CXX+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$CXX"; then
@@ -3213 +2929 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -3227 +2943 @@
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5
-$as_echo "$CXX" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $CXX" >&5
+echo "${ECHO_T}$CXX" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -3244 +2960 @@
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$ac_ct_CXX"; then
@@ -3257 +2973 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-  done
+done
 IFS=$as_save_IFS
 
@@ -3271 +2987 @@
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CXX" >&5
-$as_echo "$ac_ct_CXX" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+  { echo "$as_me:$LINENO: result: $ac_ct_CXX" >&5
+echo "${ECHO_T}$ac_ct_CXX" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
 fi
 
@@ -3287 +3003 @@
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&5
+echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
+whose name does not start with the host triplet.  If you think this
+configuration is useful to you, please write to autoconf@gnu.org." >&2;}
 ac_tool_warned=yes ;;
 esac
@@ -3298 +3018 @@
 fi
 # Provide some information about the compiler.
-$as_echo "$as_me:${as_lineno-$LINENO}: checking for C++ compiler version" >&5
-set X $ac_compile
-ac_compiler=$2
-for ac_option in --version -v -V -qversion; do
-  { { ac_try="$ac_compiler $ac_option >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    sed '10a\
-... rest of stderr output deleted ...
-         10q' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-  fi
-  rm -f conftest.er1 conftest.err
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }
-done
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
-$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+echo "$as_me:$LINENO: checking for C++ compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (ac_try="$ac_compiler --version >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler --version >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -v >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -v >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (ac_try="$ac_compiler -V >&5"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compiler -V >&5") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+
+{ echo "$as_me:$LINENO: checking whether we are using the GNU C++ compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C++ compiler... $ECHO_C" >&6; }
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3341 +3074 @@
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_cxx_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_compiler_gnu=yes
 else
-  ac_compiler_gnu=no
-fi
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_compiler_gnu=no
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
-$as_echo "$ac_cv_cxx_compiler_gnu" >&6; }
-if test $ac_compiler_gnu = yes; then
-  GXX=yes
-else
-  GXX=
-fi
+{ echo "$as_me:$LINENO: result: $ac_cv_cxx_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_cxx_compiler_gnu" >&6; }
+GXX=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
-$as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if test "${ac_cv_prog_cxx_g+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking whether $CXX accepts -g" >&5
+echo $ECHO_N "checking whether $CXX accepts -g... $ECHO_C" >&6; }
+if test "${ac_cv_prog_cxx_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
@@ -3368 +3117 @@
    ac_cv_prog_cxx_g=no
    CXXFLAGS="-g"
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3379 +3132 @@
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_cxx_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cxx_g=yes
 else
-  CXXFLAGS=""
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        CXXFLAGS=""
+      cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3394 +3170 @@
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
-
-else
-  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_cxx_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cxx_werror_flag=$ac_save_cxx_werror_flag
          CXXFLAGS="-g"
-         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+         cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3410 +3209 @@
 }
 _ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_cxx_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_prog_cxx_g=yes
-fi
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
-$as_echo "$ac_cv_prog_cxx_g" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cxx_g" >&6; }
 if test "$ac_test_CXXFLAGS" = set; then
   CXXFLAGS=$ac_save_CXXFLAGS
@@ -3499 +3322 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
-$as_echo_n "checking for pthread_create in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for pthread_create in -lpthread" >&5
+echo $ECHO_N "checking for pthread_create in -lpthread... $ECHO_C" >&6; }
+if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthread  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3524 +3352 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_pthread_pthread_create=yes
 else
-  ac_cv_lib_pthread_pthread_create=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_pthread_pthread_create=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
-$as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_pthread_pthread_create" >&5
+echo "${ECHO_T}$ac_cv_lib_pthread_pthread_create" >&6; }
+if test $ac_cv_lib_pthread_pthread_create = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
@@ -3544 +3393 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lwsock32" >&5
-$as_echo_n "checking for puts in -lwsock32... " >&6; }
-if test "${ac_cv_lib_wsock32_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lwsock32" >&5
+echo $ECHO_N "checking for puts in -lwsock32... $ECHO_C" >&6; }
+if test "${ac_cv_lib_wsock32_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lwsock32  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3569 +3423 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_wsock32_puts=yes
 else
-  ac_cv_lib_wsock32_puts=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_wsock32_puts=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_wsock32_puts" >&5
-$as_echo "$ac_cv_lib_wsock32_puts" >&6; }
-if test "x$ac_cv_lib_wsock32_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_wsock32_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_wsock32_puts" >&6; }
+if test $ac_cv_lib_wsock32_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWSOCK32 1
@@ -3589 +3464 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lws2_32" >&5
-$as_echo_n "checking for puts in -lws2_32... " >&6; }
-if test "${ac_cv_lib_ws2_32_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lws2_32" >&5
+echo $ECHO_N "checking for puts in -lws2_32... $ECHO_C" >&6; }
+if test "${ac_cv_lib_ws2_32_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lws2_32  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3614 +3494 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_ws2_32_puts=yes
 else
-  ac_cv_lib_ws2_32_puts=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_ws2_32_puts=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ws2_32_puts" >&5
-$as_echo "$ac_cv_lib_ws2_32_puts" >&6; }
-if test "x$ac_cv_lib_ws2_32_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_ws2_32_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_ws2_32_puts" >&6; }
+if test $ac_cv_lib_ws2_32_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWS2_32 1
@@ -3634 +3535 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lole32" >&5
-$as_echo_n "checking for puts in -lole32... " >&6; }
-if test "${ac_cv_lib_ole32_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lole32" >&5
+echo $ECHO_N "checking for puts in -lole32... $ECHO_C" >&6; }
+if test "${ac_cv_lib_ole32_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lole32  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3659 +3565 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_ole32_puts=yes
 else
-  ac_cv_lib_ole32_puts=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_ole32_puts=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ole32_puts" >&5
-$as_echo "$ac_cv_lib_ole32_puts" >&6; }
-if test "x$ac_cv_lib_ole32_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_ole32_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_ole32_puts" >&6; }
+if test $ac_cv_lib_ole32_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBOLE32 1
@@ -3679 +3606 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lwinmm" >&5
-$as_echo_n "checking for puts in -lwinmm... " >&6; }
-if test "${ac_cv_lib_winmm_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lwinmm" >&5
+echo $ECHO_N "checking for puts in -lwinmm... $ECHO_C" >&6; }
+if test "${ac_cv_lib_winmm_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lwinmm  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3704 +3636 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_winmm_puts=yes
 else
-  ac_cv_lib_winmm_puts=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_winmm_puts=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_winmm_puts" >&5
-$as_echo "$ac_cv_lib_winmm_puts" >&6; }
-if test "x$ac_cv_lib_winmm_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_winmm_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_winmm_puts" >&6; }
+if test $ac_cv_lib_winmm_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWINMM 1
@@ -3724 +3677 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lsocket" >&5
-$as_echo_n "checking for puts in -lsocket... " >&6; }
-if test "${ac_cv_lib_socket_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lsocket" >&5
+echo $ECHO_N "checking for puts in -lsocket... $ECHO_C" >&6; }
+if test "${ac_cv_lib_socket_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3749 +3707 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_socket_puts=yes
 else
-  ac_cv_lib_socket_puts=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_socket_puts=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_puts" >&5
-$as_echo "$ac_cv_lib_socket_puts" >&6; }
-if test "x$ac_cv_lib_socket_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_socket_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_socket_puts" >&6; }
+if test $ac_cv_lib_socket_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSOCKET 1
@@ -3769 +3748 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lrt" >&5
-$as_echo_n "checking for puts in -lrt... " >&6; }
-if test "${ac_cv_lib_rt_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lrt" >&5
+echo $ECHO_N "checking for puts in -lrt... $ECHO_C" >&6; }
+if test "${ac_cv_lib_rt_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lrt  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3794 +3778 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_rt_puts=yes
 else
-  ac_cv_lib_rt_puts=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_rt_puts=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_puts" >&5
-$as_echo "$ac_cv_lib_rt_puts" >&6; }
-if test "x$ac_cv_lib_rt_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_rt_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_rt_puts" >&6; }
+if test $ac_cv_lib_rt_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBRT 1
@@ -3814 +3819 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for puts in -lnsl" >&5
-$as_echo_n "checking for puts in -lnsl... " >&6; }
-if test "${ac_cv_lib_nsl_puts+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for puts in -lnsl" >&5
+echo $ECHO_N "checking for puts in -lnsl... $ECHO_C" >&6; }
+if test "${ac_cv_lib_nsl_puts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnsl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3839 +3849 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_nsl_puts=yes
 else
-  ac_cv_lib_nsl_puts=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_nsl_puts=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_puts" >&5
-$as_echo "$ac_cv_lib_nsl_puts" >&6; }
-if test "x$ac_cv_lib_nsl_puts" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_nsl_puts" >&5
+echo "${ECHO_T}$ac_cv_lib_nsl_puts" >&6; }
+if test $ac_cv_lib_nsl_puts = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBNSL 1
@@ -3859 +3890 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate in -luuid" >&5
-$as_echo_n "checking for uuid_generate in -luuid... " >&6; }
-if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+
+{ echo "$as_me:$LINENO: checking for uuid_generate in -luuid" >&5
+echo $ECHO_N "checking for uuid_generate in -luuid... $ECHO_C" >&6; }
+if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-luuid  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3884 +3920 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_uuid_uuid_generate=yes
 else
-  ac_cv_lib_uuid_uuid_generate=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_uuid_uuid_generate=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate" >&5
-$as_echo "$ac_cv_lib_uuid_uuid_generate" >&6; }
-if test "x$ac_cv_lib_uuid_uuid_generate" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_uuid_uuid_generate" >&5
+echo "${ECHO_T}$ac_cv_lib_uuid_uuid_generate" >&6; }
+if test $ac_cv_lib_uuid_uuid_generate = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBUUID 1
@@ -3904 +3961 @@
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uuid_generate in -luuid" >&5
-$as_echo_n "checking for uuid_generate in -luuid... " >&6; }
-if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for uuid_generate in -luuid" >&5
+echo $ECHO_N "checking for uuid_generate in -luuid... $ECHO_C" >&6; }
+if test "${ac_cv_lib_uuid_uuid_generate+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-luuid  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -3929 +3990 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_uuid_uuid_generate=yes
 else
-  ac_cv_lib_uuid_uuid_generate=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_uuid_uuid_generate=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_uuid_uuid_generate" >&5
-$as_echo "$ac_cv_lib_uuid_uuid_generate" >&6; }
-if test "x$ac_cv_lib_uuid_uuid_generate" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_uuid_uuid_generate" >&5
+echo "${ECHO_T}$ac_cv_lib_uuid_uuid_generate" >&6; }
+if test $ac_cv_lib_uuid_uuid_generate = yes; then
   ac_has_uuid_lib=1
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_M_NAME to $target_cpu" >&5
-$as_echo "Setting PJ_M_NAME to $target_cpu" >&6; }
+{ echo "$as_me:$LINENO: result: Setting PJ_M_NAME to $target_cpu" >&5
+echo "${ECHO_T}Setting PJ_M_NAME to $target_cpu" >&6; }
 cat >>confdefs.h <<_ACEOF
 #define PJ_M_NAME "$target_cpu"
@@ -3952 +4034 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking memory alignment" >&5
-$as_echo_n "checking memory alignment... " >&6; }
+{ echo "$as_me:$LINENO: checking memory alignment" >&5
+echo $ECHO_N "checking memory alignment... $ECHO_C" >&6; }
 case $target in
     sparc64-* | ia64-* | x86_64-* )
-        $as_echo "#define PJ_POOL_ALIGNMENT 8" >>confdefs.h
-
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: 8 bytes" >&5
-$as_echo "8 bytes" >&6; }
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_POOL_ALIGNMENT 8
+_ACEOF
+
+        { echo "$as_me:$LINENO: result: 8 bytes" >&5
+echo "${ECHO_T}8 bytes" >&6; }
         ;;
     * )
-        $as_echo "#define PJ_POOL_ALIGNMENT 4" >>confdefs.h
-
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: 4 bytes (default)" >&5
-$as_echo "4 bytes (default)" >&6; }
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_POOL_ALIGNMENT 4
+_ACEOF
+
+        { echo "$as_me:$LINENO: result: 4 bytes (default)" >&5
+echo "${ECHO_T}4 bytes (default)" >&6; }
         ;;
 esac
@@ -3975 +4061 @@
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
+{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
@@ -3982 +4068 @@
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -3997 +4083 @@
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
@@ -4006 +4096 @@
                      Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
@@ -4033 +4165 @@
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
+if $ac_preproc_ok; then
   break
 fi
@@ -4045 +4177 @@
   ac_cv_prog_CPP=$CPP
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
+{ echo "$as_me:$LINENO: result: $CPP" >&5
+echo "${ECHO_T}$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
@@ -4056 +4188 @@
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #ifdef __STDC__
@@ -4065 +4201 @@
                      Syntax error
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Broken: fails on valid input.
 continue
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
   # Broken: success on invalid input.
 continue
 else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
+
 rm -f conftest.err conftest.$ac_ext
 
@@ -4092 +4270 @@
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+if $ac_preproc_ok; then
+  :
+else
+  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&5
+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
@@ -4108 +4287 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -z "$GREP"; then
+{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
+if test "${ac_cv_path_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  # Extract the first word of "grep ggrep" to use in msg output
+if test -z "$GREP"; then
+set dummy grep ggrep; ac_prog_name=$2
+if test "${ac_cv_path_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
   ac_path_GREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_prog in grep ggrep; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
-# Check for GNU ac_path_GREP and select it if it is found.
+  for ac_prog in grep ggrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+    { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+    # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
@@ -4132 +4316 @@
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
   while :
   do
@@ -4138 +4322 @@
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'GREP' >> "conftest.nl"
+    echo 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    ac_count=`expr $ac_count + 1`
     if test $ac_count -gt ${ac_path_GREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
@@ -4153 +4337 @@
 esac
 
-      $ac_path_GREP_found && break 3
-    done
+
+    $ac_path_GREP_found && break 3
   done
-  done
+done
+
+done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_GREP"; then
-    as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
+
+
+fi
+
+GREP="$ac_cv_path_GREP"
+if test -z "$GREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 else
   ac_cv_path_GREP=$GREP
 fi
 
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-$as_echo "$ac_cv_path_GREP" >&6; }
+
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-$as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+{ echo "$as_me:$LINENO: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
-     if test -z "$EGREP"; then
+     # Extract the first word of "egrep" to use in msg output
+if test -z "$EGREP"; then
+set dummy egrep; ac_prog_name=$2
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
   ac_path_EGREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    for ac_prog in egrep; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
-# Check for GNU ac_path_EGREP and select it if it is found.
+  for ac_prog in egrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+    { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+    # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
@@ -4198 +4398 @@
 *)
   ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
+  echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
   while :
   do
@@ -4204 +4404 @@
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    $as_echo 'EGREP' >> "conftest.nl"
+    echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    ac_count=`expr $ac_count + 1`
     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
@@ -4219 +4419 @@
 esac
 
-      $ac_path_EGREP_found && break 3
-    done
+
+    $ac_path_EGREP_found && break 3
   done
-  done
+done
+
+done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_EGREP"; then
-    as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
+
+
+fi
+
+EGREP="$ac_cv_path_EGREP"
+if test -z "$EGREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 else
   ac_cv_path_EGREP=$EGREP
 fi
 
+
    fi
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-$as_echo "$ac_cv_path_EGREP" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdlib.h>
@@ -4258 +4473 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_header_stdc=yes
 else
-  ac_cv_header_stdc=no
-fi
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_header_stdc=no
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <string.h>
@@ -4273 +4512 @@
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
+  $EGREP "memchr" >/dev/null 2>&1; then
+  :
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
@@ -4284 +4523 @@
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <stdlib.h>
@@ -4290 +4533 @@
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
-
+  $EGREP "free" >/dev/null 2>&1; then
+  :
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
@@ -4301 +4544 @@
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
+  if test "$cross_compiling" = yes; then
   :
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ctype.h>
@@ -4331 +4578 @@
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
 
 fi
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
                   inttypes.h stdint.h unistd.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-eval as_val=\$$as_ac_Header
-   if test "x$as_val" = x""yes; then :
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+               { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
@@ -4368 +4692 @@
 
 
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
-$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if test "${ac_cv_c_bigendian+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_c_bigendian=unknown
-    # See if we're dealing with a universal compiler.
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifndef __APPLE_CC__
-               not a universal capable compiler
-             #endif
-             typedef int dummy;
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-        # Check for potential -arch flags.  It is not universal unless
-        # there are at least two -arch flags with different values.
-        ac_arch=
-        ac_prev=
-        for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do
-         if test -n "$ac_prev"; then
-           case $ac_word in
-             i?86 | x86_64 | ppc | ppc64)
-               if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then
-                 ac_arch=$ac_word
-               else
-                 ac_cv_c_bigendian=universal
-                 break
-               fi
-               ;;
-           esac
-           ac_prev=
-         elif test "x$ac_word" = "x-arch"; then
-           ac_prev=arch
-         fi
-       done
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    if test $ac_cv_c_bigendian = unknown; then
-      # See if sys/param.h defines the BYTE_ORDER macro.
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5
+echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6; }
+if test "${ac_cv_c_bigendian+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  # See if sys/param.h defines the BYTE_ORDER macro.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
-             #include <sys/param.h>
+#include <sys/param.h>
 
 int
 main ()
 {
-#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
-                     && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
-                     && LITTLE_ENDIAN)
-              bogus endian macros
-             #endif
+#if  ! (defined BYTE_ORDER && defined BIG_ENDIAN && defined LITTLE_ENDIAN \
+        && BYTE_ORDER && BIG_ENDIAN && LITTLE_ENDIAN)
+ bogus endian macros
+#endif
 
   ;
@@ -4428 +4719 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   # It does; now see whether it defined to BIG_ENDIAN or not.
-         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
-                #include <sys/param.h>
+#include <sys/param.h>
 
 int
@@ -4439 +4750 @@
 {
 #if BYTE_ORDER != BIG_ENDIAN
-                 not big endian
-                #endif
+ not big endian
+#endif
 
   ;
@@ -4446 +4757 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
   ac_cv_c_bigendian=yes
 else
-  ac_cv_c_bigendian=no
-fi
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_c_bigendian=no
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    fi
-    if test $ac_cv_c_bigendian = unknown; then
-      # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <limits.h>
-
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        # It does not; compile a test program.
+if test "$cross_compiling" = yes; then
+  # try to guess the endianness by grepping values into an object file
+  ac_cv_c_bigendian=unknown
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+short int ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+short int ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; }
+short int ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+short int ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; }
 int
 main ()
 {
-#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
-              bogus endian macros
-             #endif
-
+ _ascii (); _ebcdic ();
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  # It does; now see whether it defined to _BIG_ENDIAN or not.
-         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <limits.h>
-
-int
-main ()
-{
-#ifndef _BIG_ENDIAN
-                 not big endian
-                #endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  if grep BIGenDianSyS conftest.$ac_objext >/dev/null ; then
   ac_cv_c_bigendian=yes
-else
-  ac_cv_c_bigendian=no
-fi
+fi
+if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
+  if test "$ac_cv_c_bigendian" = unknown; then
+    ac_cv_c_bigendian=no
+  else
+    # finding both strings is unlikely to happen, but who knows?
+    ac_cv_c_bigendian=unknown
+  fi
+fi
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    fi
-    if test $ac_cv_c_bigendian = unknown; then
-      # Compile a test program.
-      if test "$cross_compiling" = yes; then :
-  # Try to guess by grepping values from an object file.
-         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-short int ascii_mm[] =
-                  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
-                short int ascii_ii[] =
-                  { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
-                int use_ascii (int i) {
-                  return ascii_mm[i] + ascii_ii[i];
-                }
-                short int ebcdic_ii[] =
-                  { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
-                short int ebcdic_mm[] =
-                  { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
-                int use_ebcdic (int i) {
-                  return ebcdic_mm[i] + ebcdic_ii[i];
-                }
-                extern int foo;
-
-int
-main ()
-{
-return use_ascii (foo) == use_ebcdic (foo);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
-              ac_cv_c_bigendian=yes
-            fi
-            if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
-              if test "$ac_cv_c_bigendian" = unknown; then
-                ac_cv_c_bigendian=no
-              else
-                # finding both strings is unlikely to happen, but who knows?
-                ac_cv_c_bigendian=unknown
-              fi
-            fi
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
@@ -4550 +4859 @@
 {
 
-             /* Are we little or big endian?  From Harbison&Steele.  */
-             union
-             {
-               long int l;
-               char c[sizeof (long int)];
-             } u;
-             u.l = 1;
-             return u.c[sizeof (long int) - 1] == 1;
+  /* Are we little or big endian?  From Harbison&Steele.  */
+  union
+  {
+    long int l;
+    char c[sizeof (long int)];
+  } u;
+  u.l = 1;
+  return u.c[sizeof (long int) - 1] == 1;
 
   ;
@@ -4563 +4872 @@
 }
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
   ac_cv_c_bigendian=no
 else
-  ac_cv_c_bigendian=yes
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-    fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
-$as_echo "$ac_cv_c_bigendian" >&6; }
- case $ac_cv_c_bigendian in #(
-   yes)
-     $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h
-;; #(
-   no)
-      ;; #(
-   universal)
-
-$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
-
-     ;; #(
-   *)
-     as_fn_error "unknown endianness
- presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
- esac
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_bigendian=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
+echo "${ECHO_T}$ac_cv_c_bigendian" >&6; }
+case $ac_cv_c_bigendian in
+  yes)
+
+cat >>confdefs.h <<\_ACEOF
+#define WORDS_BIGENDIAN 1
+_ACEOF
+ ;;
+  no)
+     ;;
+  *)
+    { { echo "$as_me:$LINENO: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&5
+echo "$as_me: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
+   { (exit 1); exit 1; }; } ;;
+esac
 
 
 case $target in
     *mingw* | *cygw* | *win32* | *w32* )
-        $as_echo "#define PJ_WIN32 1" >>confdefs.h
-
-        $as_echo "#define PJ_WIN32_WINNT 0x0400" >>confdefs.h
-
-        $as_echo "#define WIN32_LEAN_AND_MEAN 1" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_WIN32 1
+_ACEOF
+
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_WIN32_WINNT 0x0400
+_ACEOF
+
+        cat >>confdefs.h <<\_ACEOF
+#define WIN32_LEAN_AND_MEAN 1
+_ACEOF
 
         ;;
     *darwin*)
-        $as_echo "#define PJ_DARWINOS 1" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_DARWINOS 1
+_ACEOF
 
         ;;
     *linux*)
-        $as_echo "#define PJ_LINUX 1" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_LINUX 1
+_ACEOF
 
         ;;
     *rtems*)
-        $as_echo "#define PJ_RTEMS 1" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_RTEMS 1
+_ACEOF
 
         ;;
     *sunos* | *solaris* )
-        $as_echo "#define PJ_SUNOS 1" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_SUNOS 1
+_ACEOF
 
         ;;
@@ -4626 +4976 @@
 
 # Check whether --enable-floating-point was given.
-if test "${enable_floating_point+set}" = set; then :
+if test "${enable_floating_point+set}" = set; then
   enableval=$enable_floating_point; if test "$enable_floating_point" = "no"; then
-                $as_echo "#define PJ_HAS_FLOATING_POINT 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if floating point is disabled... yes" >&5
-$as_echo "Checking if floating point is disabled... yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_FLOATING_POINT 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if floating point is disabled... yes" >&5
+echo "${ECHO_T}Checking if floating point is disabled... yes" >&6; }
                fi
 else
 
-                $as_echo "#define PJ_HAS_FLOATING_POINT 1" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if floating point is disabled... no" >&5
-$as_echo "Checking if floating point is disabled... no" >&6; }
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fmod in -lm" >&5
-$as_echo_n "checking for fmod in -lm... " >&6; }
-if test "${ac_cv_lib_m_fmod+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_FLOATING_POINT 1
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if floating point is disabled... no" >&5
+echo "${ECHO_T}Checking if floating point is disabled... no" >&6; }
+
+{ echo "$as_me:$LINENO: checking for fmod in -lm" >&5
+echo $ECHO_N "checking for fmod in -lm... $ECHO_C" >&6; }
+if test "${ac_cv_lib_m_fmod+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lm  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -4664 +5023 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_m_fmod=yes
 else
-  ac_cv_lib_m_fmod=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_m_fmod=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_fmod" >&5
-$as_echo "$ac_cv_lib_m_fmod" >&6; }
-if test "x$ac_cv_lib_m_fmod" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_m_fmod" >&5
+echo "${ECHO_T}$ac_cv_lib_m_fmod" >&6; }
+if test $ac_cv_lib_m_fmod = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBM 1
@@ -4689 +5069 @@
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"
-if test "x$ac_cv_header_arpa_inet_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_ARPA_INET_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "assert.h" "ac_cv_header_assert_h" "$ac_includes_default"
-if test "x$ac_cv_header_assert_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_ASSERT_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "ctype.h" "ac_cv_header_ctype_h" "$ac_includes_default"
-if test "x$ac_cv_header_ctype_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_CTYPE_H 1" >>confdefs.h
+if test "${ac_cv_header_arpa_inet_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for arpa/inet.h" >&5
+echo $ECHO_N "checking for arpa/inet.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_arpa_inet_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_arpa_inet_h" >&5
+echo "${ECHO_T}$ac_cv_header_arpa_inet_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking arpa/inet.h usability" >&5
+echo $ECHO_N "checking arpa/inet.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <arpa/inet.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking arpa/inet.h presence" >&5
+echo $ECHO_N "checking arpa/inet.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <arpa/inet.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: arpa/inet.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: arpa/inet.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: arpa/inet.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: arpa/inet.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: arpa/inet.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: arpa/inet.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: arpa/inet.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: arpa/inet.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: arpa/inet.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for arpa/inet.h" >&5
+echo $ECHO_N "checking for arpa/inet.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_arpa_inet_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_arpa_inet_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_arpa_inet_h" >&5
+echo "${ECHO_T}$ac_cv_header_arpa_inet_h" >&6; }
+
+fi
+if test $ac_cv_header_arpa_inet_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ARPA_INET_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_assert_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for assert.h" >&5
+echo $ECHO_N "checking for assert.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_assert_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_assert_h" >&5
+echo "${ECHO_T}$ac_cv_header_assert_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking assert.h usability" >&5
+echo $ECHO_N "checking assert.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <assert.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking assert.h presence" >&5
+echo $ECHO_N "checking assert.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <assert.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: assert.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: assert.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: assert.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: assert.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: assert.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: assert.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: assert.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: assert.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: assert.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: assert.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: assert.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for assert.h" >&5
+echo $ECHO_N "checking for assert.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_assert_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_assert_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_assert_h" >&5
+echo "${ECHO_T}$ac_cv_header_assert_h" >&6; }
+
+fi
+if test $ac_cv_header_assert_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ASSERT_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_ctype_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for ctype.h" >&5
+echo $ECHO_N "checking for ctype.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ctype_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ctype_h" >&5
+echo "${ECHO_T}$ac_cv_header_ctype_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ctype.h usability" >&5
+echo $ECHO_N "checking ctype.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <ctype.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ctype.h presence" >&5
+echo $ECHO_N "checking ctype.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ctype.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ctype.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ctype.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ctype.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ctype.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ctype.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ctype.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ctype.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ctype.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ctype.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ctype.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ctype.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ctype.h" >&5
+echo $ECHO_N "checking for ctype.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ctype_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_ctype_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ctype_h" >&5
+echo "${ECHO_T}$ac_cv_header_ctype_h" >&6; }
+
+fi
+if test $ac_cv_header_ctype_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_CTYPE_H 1
+_ACEOF
 
 fi
@@ -4713 +5471 @@
 case $target in
     *mingw* | *cygw* | *win32* | *w32* )
-        $as_echo "#define PJ_HAS_ERRNO_H 0" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ERRNO_H 0
+_ACEOF
 
         ;;
     *)
-        ac_fn_c_check_header_mongrel "$LINENO" "errno.h" "ac_cv_header_errno_h" "$ac_includes_default"
-if test "x$ac_cv_header_errno_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_ERRNO_H 1" >>confdefs.h
+        if test "${ac_cv_header_errno_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for errno.h" >&5
+echo $ECHO_N "checking for errno.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_errno_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_errno_h" >&5
+echo "${ECHO_T}$ac_cv_header_errno_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking errno.h usability" >&5
+echo $ECHO_N "checking errno.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <errno.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking errno.h presence" >&5
+echo $ECHO_N "checking errno.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <errno.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: errno.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: errno.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: errno.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: errno.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: errno.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: errno.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: errno.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: errno.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: errno.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: errno.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: errno.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for errno.h" >&5
+echo $ECHO_N "checking for errno.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_errno_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_errno_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_errno_h" >&5
+echo "${ECHO_T}$ac_cv_header_errno_h" >&6; }
+
+fi
+if test $ac_cv_header_errno_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ERRNO_H 1
+_ACEOF
 
 fi
@@ -4727 +5613 @@
 esac
 
-ac_fn_c_check_header_mongrel "$LINENO" "fcntl.h" "ac_cv_header_fcntl_h" "$ac_includes_default"
-if test "x$ac_cv_header_fcntl_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_FCNTL_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "linux/socket.h" "ac_cv_header_linux_socket_h" "$ac_includes_default"
-if test "x$ac_cv_header_linux_socket_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_LINUX_SOCKET_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "malloc.h" "ac_cv_header_malloc_h" "$ac_includes_default"
-if test "x$ac_cv_header_malloc_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_MALLOC_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "netdb.h" "ac_cv_header_netdb_h" "$ac_includes_default"
-if test "x$ac_cv_header_netdb_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETDB_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "netinet/in_systm.h" "ac_cv_header_netinet_in_systm_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_in_systm_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_IN_SYSTM_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "netinet/in.h" "ac_cv_header_netinet_in_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_in_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_IN_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_compile "$LINENO" "netinet/ip.h" "ac_cv_header_netinet_ip_h" "#if PJ_HAS_SYS_TYPES_H
+if test "${ac_cv_header_fcntl_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for fcntl.h" >&5
+echo $ECHO_N "checking for fcntl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_fcntl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_fcntl_h" >&5
+echo "${ECHO_T}$ac_cv_header_fcntl_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking fcntl.h usability" >&5
+echo $ECHO_N "checking fcntl.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <fcntl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking fcntl.h presence" >&5
+echo $ECHO_N "checking fcntl.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <fcntl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: fcntl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: fcntl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: fcntl.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: fcntl.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: fcntl.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: fcntl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: fcntl.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: fcntl.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: fcntl.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for fcntl.h" >&5
+echo $ECHO_N "checking for fcntl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_fcntl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_fcntl_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_fcntl_h" >&5
+echo "${ECHO_T}$ac_cv_header_fcntl_h" >&6; }
+
+fi
+if test $ac_cv_header_fcntl_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_FCNTL_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_linux_socket_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for linux/socket.h" >&5
+echo $ECHO_N "checking for linux/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_socket_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking linux/socket.h usability" >&5
+echo $ECHO_N "checking linux/socket.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <linux/socket.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking linux/socket.h presence" >&5
+echo $ECHO_N "checking linux/socket.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <linux/socket.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: linux/socket.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: linux/socket.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: linux/socket.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: linux/socket.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: linux/socket.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: linux/socket.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: linux/socket.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/socket.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: linux/socket.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for linux/socket.h" >&5
+echo $ECHO_N "checking for linux/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_linux_socket_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_socket_h" >&6; }
+
+fi
+if test $ac_cv_header_linux_socket_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_LINUX_SOCKET_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_malloc_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for malloc.h" >&5
+echo $ECHO_N "checking for malloc.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_malloc_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_malloc_h" >&5
+echo "${ECHO_T}$ac_cv_header_malloc_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking malloc.h usability" >&5
+echo $ECHO_N "checking malloc.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <malloc.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking malloc.h presence" >&5
+echo $ECHO_N "checking malloc.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <malloc.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: malloc.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: malloc.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: malloc.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: malloc.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: malloc.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: malloc.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: malloc.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: malloc.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: malloc.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: malloc.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: malloc.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for malloc.h" >&5
+echo $ECHO_N "checking for malloc.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_malloc_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_malloc_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_malloc_h" >&5
+echo "${ECHO_T}$ac_cv_header_malloc_h" >&6; }
+
+fi
+if test $ac_cv_header_malloc_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_MALLOC_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_netdb_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netdb.h" >&5
+echo $ECHO_N "checking for netdb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netdb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netdb_h" >&5
+echo "${ECHO_T}$ac_cv_header_netdb_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netdb.h usability" >&5
+echo $ECHO_N "checking netdb.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netdb.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netdb.h presence" >&5
+echo $ECHO_N "checking netdb.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netdb.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netdb.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netdb.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netdb.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netdb.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netdb.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netdb.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netdb.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netdb.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netdb.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netdb.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netdb.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netdb.h" >&5
+echo $ECHO_N "checking for netdb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netdb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netdb_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netdb_h" >&5
+echo "${ECHO_T}$ac_cv_header_netdb_h" >&6; }
+
+fi
+if test $ac_cv_header_netdb_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETDB_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_netinet_in_systm_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netinet/in_systm.h" >&5
+echo $ECHO_N "checking for netinet/in_systm.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_systm_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_systm_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_systm_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netinet/in_systm.h usability" >&5
+echo $ECHO_N "checking netinet/in_systm.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netinet/in_systm.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netinet/in_systm.h presence" >&5
+echo $ECHO_N "checking netinet/in_systm.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netinet/in_systm.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netinet/in_systm.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netinet/in_systm.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in_systm.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netinet/in_systm.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netinet/in_systm.h" >&5
+echo $ECHO_N "checking for netinet/in_systm.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_systm_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netinet_in_systm_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_systm_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_systm_h" >&6; }
+
+fi
+if test $ac_cv_header_netinet_in_systm_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_IN_SYSTM_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_netinet_in_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netinet/in.h" >&5
+echo $ECHO_N "checking for netinet/in.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netinet/in.h usability" >&5
+echo $ECHO_N "checking netinet/in.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netinet/in.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netinet/in.h presence" >&5
+echo $ECHO_N "checking netinet/in.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netinet/in.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netinet/in.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netinet/in.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netinet/in.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netinet/in.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netinet/in.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netinet/in.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netinet/in.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/in.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netinet/in.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netinet/in.h" >&5
+echo $ECHO_N "checking for netinet/in.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_in_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netinet_in_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_in_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_in_h" >&6; }
+
+fi
+if test $ac_cv_header_netinet_in_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_IN_H 1
+_ACEOF
+
+fi
+
+
+{ echo "$as_me:$LINENO: checking for netinet/ip.h" >&5
+echo $ECHO_N "checking for netinet/ip.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_ip_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if PJ_HAS_SYS_TYPES_H
                   #     include <sys/types.h>
                   #endif
@@ -4779 +6432 @@
                   #endif
 
-"
-if test "x$ac_cv_header_netinet_ip_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_IP_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "netinet/tcp.h" "ac_cv_header_netinet_tcp_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_tcp_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NETINET_TCP_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "ifaddrs.h" "ac_cv_header_ifaddrs_h" "$ac_includes_default"
-if test "x$ac_cv_header_ifaddrs_h" = x""yes; then :
-  ac_fn_c_check_func "$LINENO" "getifaddrs" "ac_cv_func_getifaddrs"
-if test "x$ac_cv_func_getifaddrs" = x""yes; then :
-  $as_echo "#define PJ_HAS_IFADDRS_H 1" >>confdefs.h
-
-fi
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "semaphore.h" "ac_cv_header_semaphore_h" "$ac_includes_default"
-if test "x$ac_cv_header_semaphore_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SEMAPHORE_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "setjmp.h" "ac_cv_header_setjmp_h" "$ac_includes_default"
-if test "x$ac_cv_header_setjmp_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SETJMP_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "stdarg.h" "ac_cv_header_stdarg_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdarg_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDARG_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "stddef.h" "ac_cv_header_stddef_h" "$ac_includes_default"
-if test "x$ac_cv_header_stddef_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDDEF_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "stdio.h" "ac_cv_header_stdio_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdio_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDIO_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "stdint.h" "ac_cv_header_stdint_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdint_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDINT_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdlib_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STDLIB_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default"
-if test "x$ac_cv_header_string_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_STRING_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_ioctl_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_IOCTL_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/select.h" "ac_cv_header_sys_select_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_select_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_SELECT_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/socket.h" "ac_cv_header_sys_socket_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_socket_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_SOCKET_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_time_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_TIME_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/timeb.h" "ac_cv_header_sys_timeb_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_timeb_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_TIMEB_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/types.h" "ac_cv_header_sys_types_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_types_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_TYPES_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/filio.h" "ac_cv_header_sys_filio_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_filio_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_FILIO_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "sys/sockio.h" "ac_cv_header_sys_sockio_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_sockio_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_SYS_SOCKIO_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "time.h" "ac_cv_header_time_h" "$ac_includes_default"
-if test "x$ac_cv_header_time_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_TIME_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_UNISTD_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "winsock.h" "ac_cv_header_winsock_h" "$ac_includes_default"
-if test "x$ac_cv_header_winsock_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_WINSOCK_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
-if test "x$ac_cv_header_winsock2_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_WINSOCK2_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_compile "$LINENO" "mswsock.h" "ac_cv_header_mswsock_h" "#if PJ_HAS_WINSOCK2_H
+
+#include <netinet/ip.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_netinet_ip_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_header_netinet_ip_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_ip_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_ip_h" >&6; }
+if test $ac_cv_header_netinet_ip_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_IP_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_netinet_tcp_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for netinet/tcp.h" >&5
+echo $ECHO_N "checking for netinet/tcp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_tcp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_tcp_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_tcp_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking netinet/tcp.h usability" >&5
+echo $ECHO_N "checking netinet/tcp.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <netinet/tcp.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking netinet/tcp.h presence" >&5
+echo $ECHO_N "checking netinet/tcp.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <netinet/tcp.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: netinet/tcp.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: netinet/tcp.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: netinet/tcp.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: netinet/tcp.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: netinet/tcp.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: netinet/tcp.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: netinet/tcp.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: netinet/tcp.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: netinet/tcp.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for netinet/tcp.h" >&5
+echo $ECHO_N "checking for netinet/tcp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_netinet_tcp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_netinet_tcp_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_netinet_tcp_h" >&5
+echo "${ECHO_T}$ac_cv_header_netinet_tcp_h" >&6; }
+
+fi
+if test $ac_cv_header_netinet_tcp_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NETINET_TCP_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_ifaddrs_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for ifaddrs.h" >&5
+echo $ECHO_N "checking for ifaddrs.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ifaddrs_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ifaddrs_h" >&5
+echo "${ECHO_T}$ac_cv_header_ifaddrs_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ifaddrs.h usability" >&5
+echo $ECHO_N "checking ifaddrs.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <ifaddrs.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ifaddrs.h presence" >&5
+echo $ECHO_N "checking ifaddrs.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ifaddrs.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ifaddrs.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ifaddrs.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ifaddrs.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ifaddrs.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ifaddrs.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ifaddrs.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ifaddrs.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ifaddrs.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ifaddrs.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ifaddrs.h" >&5
+echo $ECHO_N "checking for ifaddrs.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ifaddrs_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_ifaddrs_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ifaddrs_h" >&5
+echo "${ECHO_T}$ac_cv_header_ifaddrs_h" >&6; }
+
+fi
+if test $ac_cv_header_ifaddrs_h = yes; then
+  { echo "$as_me:$LINENO: checking for getifaddrs" >&5
+echo $ECHO_N "checking for getifaddrs... $ECHO_C" >&6; }
+if test "${ac_cv_func_getifaddrs+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define getifaddrs to an innocuous variant, in case <limits.h> declares getifaddrs.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define getifaddrs innocuous_getifaddrs
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char getifaddrs (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef getifaddrs
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char getifaddrs ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_getifaddrs || defined __stub___getifaddrs
+choke me
+#endif
+
+int
+main ()
+{
+return getifaddrs ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_func_getifaddrs=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_func_getifaddrs=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_getifaddrs" >&5
+echo "${ECHO_T}$ac_cv_func_getifaddrs" >&6; }
+if test $ac_cv_func_getifaddrs = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_IFADDRS_H 1
+_ACEOF
+
+fi
+
+fi
+
+
+if test "${ac_cv_header_semaphore_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for semaphore.h" >&5
+echo $ECHO_N "checking for semaphore.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_semaphore_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_semaphore_h" >&5
+echo "${ECHO_T}$ac_cv_header_semaphore_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking semaphore.h usability" >&5
+echo $ECHO_N "checking semaphore.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <semaphore.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking semaphore.h presence" >&5
+echo $ECHO_N "checking semaphore.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <semaphore.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: semaphore.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: semaphore.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: semaphore.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: semaphore.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: semaphore.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: semaphore.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: semaphore.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: semaphore.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: semaphore.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for semaphore.h" >&5
+echo $ECHO_N "checking for semaphore.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_semaphore_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_semaphore_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_semaphore_h" >&5
+echo "${ECHO_T}$ac_cv_header_semaphore_h" >&6; }
+
+fi
+if test $ac_cv_header_semaphore_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SEMAPHORE_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_setjmp_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for setjmp.h" >&5
+echo $ECHO_N "checking for setjmp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_setjmp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_setjmp_h" >&5
+echo "${ECHO_T}$ac_cv_header_setjmp_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking setjmp.h usability" >&5
+echo $ECHO_N "checking setjmp.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <setjmp.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking setjmp.h presence" >&5
+echo $ECHO_N "checking setjmp.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <setjmp.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: setjmp.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: setjmp.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: setjmp.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: setjmp.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: setjmp.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: setjmp.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: setjmp.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: setjmp.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: setjmp.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for setjmp.h" >&5
+echo $ECHO_N "checking for setjmp.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_setjmp_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_setjmp_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_setjmp_h" >&5
+echo "${ECHO_T}$ac_cv_header_setjmp_h" >&6; }
+
+fi
+if test $ac_cv_header_setjmp_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SETJMP_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_stdarg_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdarg.h" >&5
+echo $ECHO_N "checking for stdarg.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdarg_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdarg_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdarg_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdarg.h usability" >&5
+echo $ECHO_N "checking stdarg.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdarg.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdarg.h presence" >&5
+echo $ECHO_N "checking stdarg.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdarg.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdarg.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdarg.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdarg.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdarg.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdarg.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdarg.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdarg.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdarg.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdarg.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdarg.h" >&5
+echo $ECHO_N "checking for stdarg.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdarg_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdarg_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdarg_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdarg_h" >&6; }
+
+fi
+if test $ac_cv_header_stdarg_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDARG_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_stddef_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stddef.h" >&5
+echo $ECHO_N "checking for stddef.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stddef_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stddef_h" >&5
+echo "${ECHO_T}$ac_cv_header_stddef_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stddef.h usability" >&5
+echo $ECHO_N "checking stddef.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stddef.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stddef.h presence" >&5
+echo $ECHO_N "checking stddef.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stddef.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stddef.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stddef.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stddef.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stddef.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stddef.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stddef.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stddef.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stddef.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stddef.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stddef.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stddef.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stddef.h" >&5
+echo $ECHO_N "checking for stddef.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stddef_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stddef_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stddef_h" >&5
+echo "${ECHO_T}$ac_cv_header_stddef_h" >&6; }
+
+fi
+if test $ac_cv_header_stddef_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDDEF_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_stdio_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdio.h" >&5
+echo $ECHO_N "checking for stdio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdio_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdio_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdio.h usability" >&5
+echo $ECHO_N "checking stdio.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdio.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdio.h presence" >&5
+echo $ECHO_N "checking stdio.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdio.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdio.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdio.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdio.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdio.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdio.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdio.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdio.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdio.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdio.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdio.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdio.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdio.h" >&5
+echo $ECHO_N "checking for stdio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdio_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdio_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdio_h" >&6; }
+
+fi
+if test $ac_cv_header_stdio_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDIO_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_stdint_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdint.h" >&5
+echo $ECHO_N "checking for stdint.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdint_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdint_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdint_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdint.h usability" >&5
+echo $ECHO_N "checking stdint.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdint.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdint.h presence" >&5
+echo $ECHO_N "checking stdint.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdint.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdint.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdint.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdint.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdint.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdint.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdint.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdint.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdint.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdint.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdint.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdint.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdint.h" >&5
+echo $ECHO_N "checking for stdint.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdint_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdint_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdint_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdint_h" >&6; }
+
+fi
+if test $ac_cv_header_stdint_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDINT_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for stdlib.h" >&5
+echo $ECHO_N "checking for stdlib.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdlib_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking stdlib.h usability" >&5
+echo $ECHO_N "checking stdlib.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <stdlib.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking stdlib.h presence" >&5
+echo $ECHO_N "checking stdlib.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <stdlib.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: stdlib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: stdlib.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: stdlib.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: stdlib.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: stdlib.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: stdlib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: stdlib.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: stdlib.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: stdlib.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for stdlib.h" >&5
+echo $ECHO_N "checking for stdlib.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_stdlib_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_stdlib_h" >&6; }
+
+fi
+if test $ac_cv_header_stdlib_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STDLIB_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_string_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for string.h" >&5
+echo $ECHO_N "checking for string.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_string_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_string_h" >&5
+echo "${ECHO_T}$ac_cv_header_string_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking string.h usability" >&5
+echo $ECHO_N "checking string.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <string.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking string.h presence" >&5
+echo $ECHO_N "checking string.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <string.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: string.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: string.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: string.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: string.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: string.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: string.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: string.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: string.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: string.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: string.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: string.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for string.h" >&5
+echo $ECHO_N "checking for string.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_string_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_string_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_string_h" >&5
+echo "${ECHO_T}$ac_cv_header_string_h" >&6; }
+
+fi
+if test $ac_cv_header_string_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_STRING_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_ioctl_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/ioctl.h" >&5
+echo $ECHO_N "checking for sys/ioctl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_ioctl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_ioctl_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_ioctl_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/ioctl.h usability" >&5
+echo $ECHO_N "checking sys/ioctl.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/ioctl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/ioctl.h presence" >&5
+echo $ECHO_N "checking sys/ioctl.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/ioctl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/ioctl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/ioctl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/ioctl.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/ioctl.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/ioctl.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/ioctl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/ioctl.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/ioctl.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/ioctl.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/ioctl.h" >&5
+echo $ECHO_N "checking for sys/ioctl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_ioctl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_ioctl_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_ioctl_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_ioctl_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_ioctl_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_IOCTL_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_select_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/select.h" >&5
+echo $ECHO_N "checking for sys/select.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_select_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_select_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_select_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/select.h usability" >&5
+echo $ECHO_N "checking sys/select.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/select.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/select.h presence" >&5
+echo $ECHO_N "checking sys/select.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/select.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/select.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/select.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/select.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/select.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/select.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/select.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/select.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/select.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/select.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/select.h" >&5
+echo $ECHO_N "checking for sys/select.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_select_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_select_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_select_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_select_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_select_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_SELECT_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_socket_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/socket.h" >&5
+echo $ECHO_N "checking for sys/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_socket_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/socket.h usability" >&5
+echo $ECHO_N "checking sys/socket.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/socket.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/socket.h presence" >&5
+echo $ECHO_N "checking sys/socket.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/socket.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/socket.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/socket.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/socket.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/socket.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/socket.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/socket.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/socket.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/socket.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/socket.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/socket.h" >&5
+echo $ECHO_N "checking for sys/socket.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_socket_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_socket_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_socket_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_socket_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_socket_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_SOCKET_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_time_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/time.h" >&5
+echo $ECHO_N "checking for sys/time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_time_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/time.h usability" >&5
+echo $ECHO_N "checking sys/time.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/time.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/time.h presence" >&5
+echo $ECHO_N "checking sys/time.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/time.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/time.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/time.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/time.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/time.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/time.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/time.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/time.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/time.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/time.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/time.h" >&5
+echo $ECHO_N "checking for sys/time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_time_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_time_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_time_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_TIME_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_timeb_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/timeb.h" >&5
+echo $ECHO_N "checking for sys/timeb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_timeb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_timeb_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_timeb_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/timeb.h usability" >&5
+echo $ECHO_N "checking sys/timeb.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/timeb.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/timeb.h presence" >&5
+echo $ECHO_N "checking sys/timeb.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/timeb.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/timeb.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/timeb.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/timeb.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/timeb.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/timeb.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/timeb.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/timeb.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/timeb.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/timeb.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/timeb.h" >&5
+echo $ECHO_N "checking for sys/timeb.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_timeb_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_timeb_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_timeb_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_timeb_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_timeb_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_TIMEB_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/types.h" >&5
+echo $ECHO_N "checking for sys/types.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_types_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_types_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/types.h usability" >&5
+echo $ECHO_N "checking sys/types.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/types.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/types.h presence" >&5
+echo $ECHO_N "checking sys/types.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/types.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/types.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/types.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/types.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/types.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/types.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/types.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/types.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/types.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/types.h" >&5
+echo $ECHO_N "checking for sys/types.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_types_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_types_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_types_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_types_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_types_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_TYPES_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_filio_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/filio.h" >&5
+echo $ECHO_N "checking for sys/filio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_filio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_filio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_filio_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/filio.h usability" >&5
+echo $ECHO_N "checking sys/filio.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/filio.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/filio.h presence" >&5
+echo $ECHO_N "checking sys/filio.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/filio.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/filio.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/filio.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/filio.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/filio.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/filio.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/filio.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/filio.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/filio.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/filio.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/filio.h" >&5
+echo $ECHO_N "checking for sys/filio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_filio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_filio_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_filio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_filio_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_filio_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_FILIO_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_sys_sockio_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/sockio.h" >&5
+echo $ECHO_N "checking for sys/sockio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_sockio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_sockio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_sockio_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/sockio.h usability" >&5
+echo $ECHO_N "checking sys/sockio.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/sockio.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/sockio.h presence" >&5
+echo $ECHO_N "checking sys/sockio.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/sockio.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/sockio.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/sockio.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/sockio.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/sockio.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/sockio.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/sockio.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/sockio.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/sockio.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/sockio.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/sockio.h" >&5
+echo $ECHO_N "checking for sys/sockio.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_sockio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_sockio_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_sockio_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_sockio_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_sockio_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SYS_SOCKIO_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_time_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for time.h" >&5
+echo $ECHO_N "checking for time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_time_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking time.h usability" >&5
+echo $ECHO_N "checking time.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <time.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking time.h presence" >&5
+echo $ECHO_N "checking time.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <time.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: time.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: time.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: time.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: time.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: time.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: time.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: time.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: time.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: time.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: time.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: time.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for time.h" >&5
+echo $ECHO_N "checking for time.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_time_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_time_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_time_h" >&5
+echo "${ECHO_T}$ac_cv_header_time_h" >&6; }
+
+fi
+if test $ac_cv_header_time_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_TIME_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for unistd.h" >&5
+echo $ECHO_N "checking for unistd.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5
+echo "${ECHO_T}$ac_cv_header_unistd_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking unistd.h usability" >&5
+echo $ECHO_N "checking unistd.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <unistd.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking unistd.h presence" >&5
+echo $ECHO_N "checking unistd.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <unistd.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: unistd.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: unistd.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: unistd.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: unistd.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: unistd.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: unistd.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: unistd.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: unistd.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: unistd.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for unistd.h" >&5
+echo $ECHO_N "checking for unistd.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_unistd_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_unistd_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5
+echo "${ECHO_T}$ac_cv_header_unistd_h" >&6; }
+
+fi
+if test $ac_cv_header_unistd_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_UNISTD_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_winsock_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for winsock.h" >&5
+echo $ECHO_N "checking for winsock.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking winsock.h usability" >&5
+echo $ECHO_N "checking winsock.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <winsock.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking winsock.h presence" >&5
+echo $ECHO_N "checking winsock.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <winsock.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: winsock.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: winsock.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: winsock.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: winsock.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: winsock.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: winsock.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: winsock.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: winsock.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: winsock.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: winsock.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for winsock.h" >&5
+echo $ECHO_N "checking for winsock.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_winsock_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock_h" >&6; }
+
+fi
+if test $ac_cv_header_winsock_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_WINSOCK_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_winsock2_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for winsock2.h" >&5
+echo $ECHO_N "checking for winsock2.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock2_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock2_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock2_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking winsock2.h usability" >&5
+echo $ECHO_N "checking winsock2.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <winsock2.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking winsock2.h presence" >&5
+echo $ECHO_N "checking winsock2.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <winsock2.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: winsock2.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: winsock2.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: winsock2.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: winsock2.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: winsock2.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: winsock2.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: winsock2.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: winsock2.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: winsock2.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for winsock2.h" >&5
+echo $ECHO_N "checking for winsock2.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_winsock2_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_winsock2_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_winsock2_h" >&5
+echo "${ECHO_T}$ac_cv_header_winsock2_h" >&6; }
+
+fi
+if test $ac_cv_header_winsock2_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_WINSOCK2_H 1
+_ACEOF
+
+fi
+
+
+{ echo "$as_me:$LINENO: checking for mswsock.h" >&5
+echo $ECHO_N "checking for mswsock.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_mswsock_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if PJ_HAS_WINSOCK2_H
                   #     include <winsock2.h>
                   #elif PJ_HAS_WINSOCK_H
@@ -4950 +9499 @@
                   #endif
 
-"
-if test "x$ac_cv_header_mswsock_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_MSWSOCK_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "ws2tcpip.h" "ac_cv_header_ws2tcpip_h" "$ac_includes_default"
-if test "x$ac_cv_header_ws2tcpip_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_WS2TCPIP_H 1" >>confdefs.h
-
-fi
-
-
-ac_fn_c_check_header_mongrel "$LINENO" "uuid/uuid.h" "ac_cv_header_uuid_uuid_h" "$ac_includes_default"
-if test "x$ac_cv_header_uuid_uuid_h" = x""yes; then :
+
+#include <mswsock.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_mswsock_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_header_mswsock_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_mswsock_h" >&5
+echo "${ECHO_T}$ac_cv_header_mswsock_h" >&6; }
+if test $ac_cv_header_mswsock_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_MSWSOCK_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_ws2tcpip_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for ws2tcpip.h" >&5
+echo $ECHO_N "checking for ws2tcpip.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ws2tcpip_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ws2tcpip_h" >&5
+echo "${ECHO_T}$ac_cv_header_ws2tcpip_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking ws2tcpip.h usability" >&5
+echo $ECHO_N "checking ws2tcpip.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <ws2tcpip.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking ws2tcpip.h presence" >&5
+echo $ECHO_N "checking ws2tcpip.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ws2tcpip.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: ws2tcpip.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: ws2tcpip.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: ws2tcpip.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: ws2tcpip.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: ws2tcpip.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: ws2tcpip.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: ws2tcpip.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: ws2tcpip.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: ws2tcpip.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for ws2tcpip.h" >&5
+echo $ECHO_N "checking for ws2tcpip.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_ws2tcpip_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_ws2tcpip_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_ws2tcpip_h" >&5
+echo "${ECHO_T}$ac_cv_header_ws2tcpip_h" >&6; }
+
+fi
+if test $ac_cv_header_ws2tcpip_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_WS2TCPIP_H 1
+_ACEOF
+
+fi
+
+
+if test "${ac_cv_header_uuid_uuid_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for uuid/uuid.h" >&5
+echo $ECHO_N "checking for uuid/uuid.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_uuid_uuid_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_uuid_uuid_h" >&5
+echo "${ECHO_T}$ac_cv_header_uuid_uuid_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking uuid/uuid.h usability" >&5
+echo $ECHO_N "checking uuid/uuid.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <uuid/uuid.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking uuid/uuid.h presence" >&5
+echo $ECHO_N "checking uuid/uuid.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <uuid/uuid.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: uuid/uuid.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: uuid/uuid.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: uuid/uuid.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: uuid/uuid.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: uuid/uuid.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: uuid/uuid.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: uuid/uuid.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: uuid/uuid.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: uuid/uuid.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for uuid/uuid.h" >&5
+echo $ECHO_N "checking for uuid/uuid.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_uuid_uuid_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_uuid_uuid_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_uuid_uuid_h" >&5
+echo "${ECHO_T}$ac_cv_header_uuid_uuid_h" >&6; }
+
+fi
+if test $ac_cv_header_uuid_uuid_h = yes; then
   ac_has_uuid_h=1
 fi
 
 
-ac_fn_c_check_header_compile "$LINENO" "net/if.h" "ac_cv_header_net_if_h" "#if PJ_HAS_SYS_TYPES_H
+{ echo "$as_me:$LINENO: checking for net/if.h" >&5
+echo $ECHO_N "checking for net/if.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_net_if_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#if PJ_HAS_SYS_TYPES_H
                   #     include <sys/types.h>
                   #endif
@@ -4978 +9821 @@
                   #endif
 
-"
-if test "x$ac_cv_header_net_if_h" = x""yes; then :
-  $as_echo "#define PJ_HAS_NET_IF_H 1" >>confdefs.h
-
-fi
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_OS_NAME to $target" >&5
-$as_echo "Setting PJ_OS_NAME to $target" >&6; }
+
+#include <net/if.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_header_net_if_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_header_net_if_h=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_net_if_h" >&5
+echo "${ECHO_T}$ac_cv_header_net_if_h" >&6; }
+if test $ac_cv_header_net_if_h = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_NET_IF_H 1
+_ACEOF
+
+fi
+
+
+{ echo "$as_me:$LINENO: result: Setting PJ_OS_NAME to $target" >&5
+echo "${ECHO_T}Setting PJ_OS_NAME to $target" >&6; }
 cat >>confdefs.h <<_ACEOF
 #define PJ_OS_NAME "$target"
@@ -4992 +9868 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_HAS_ERRNO_VAR to 1" >&5
-$as_echo "Setting PJ_HAS_ERRNO_VAR to 1" >&6; }
-$as_echo "#define PJ_HAS_ERRNO_VAR 1" >>confdefs.h
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_HAS_HIGH_RES_TIMER to 1" >&5
-$as_echo "Setting PJ_HAS_HIGH_RES_TIMER to 1" >&6; }
-$as_echo "#define PJ_HAS_HIGH_RES_TIMER 1" >>confdefs.h
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_HAS_MALLOC to 1" >&5
-$as_echo "Setting PJ_HAS_MALLOC to 1" >&6; }
-$as_echo "#define PJ_HAS_MALLOC 1" >>confdefs.h
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&5
-$as_echo "Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&6; }
-$as_echo "#define PJ_NATIVE_STRING_IS_UNICODE 0" >>confdefs.h
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Setting PJ_ATOMIC_VALUE_TYPE to long" >&5
-$as_echo "Setting PJ_ATOMIC_VALUE_TYPE to long" >&6; }
-$as_echo "#define PJ_ATOMIC_VALUE_TYPE long" >>confdefs.h
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if inet_aton() is available" >&5
-$as_echo_n "checking if inet_aton() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: Setting PJ_HAS_ERRNO_VAR to 1" >&5
+echo "${ECHO_T}Setting PJ_HAS_ERRNO_VAR to 1" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_ERRNO_VAR 1
+_ACEOF
+
+
+{ echo "$as_me:$LINENO: result: Setting PJ_HAS_HIGH_RES_TIMER to 1" >&5
+echo "${ECHO_T}Setting PJ_HAS_HIGH_RES_TIMER to 1" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_HIGH_RES_TIMER 1
+_ACEOF
+
+
+{ echo "$as_me:$LINENO: result: Setting PJ_HAS_MALLOC to 1" >&5
+echo "${ECHO_T}Setting PJ_HAS_MALLOC to 1" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_MALLOC 1
+_ACEOF
+
+
+{ echo "$as_me:$LINENO: result: Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&5
+echo "${ECHO_T}Setting PJ_NATIVE_STRING_IS_UNICODE to 0" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_NATIVE_STRING_IS_UNICODE 0
+_ACEOF
+
+
+{ echo "$as_me:$LINENO: result: Setting PJ_ATOMIC_VALUE_TYPE to long" >&5
+echo "${ECHO_T}Setting PJ_ATOMIC_VALUE_TYPE to long" >&6; }
+cat >>confdefs.h <<\_ACEOF
+#define PJ_ATOMIC_VALUE_TYPE long
+_ACEOF
+
+
+{ echo "$as_me:$LINENO: checking if inet_aton() is available" >&5
+echo $ECHO_N "checking if inet_aton() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
@@ -5032 +9922 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_INET_ATON 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_INET_ATON 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if inet_pton() is available" >&5
-$as_echo_n "checking if inet_pton() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if inet_pton() is available" >&5
+echo $ECHO_N "checking if inet_pton() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
@@ -5058 +9974 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_INET_PTON 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_INET_PTON 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if inet_ntop() is available" >&5
-$as_echo_n "checking if inet_ntop() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if inet_ntop() is available" >&5
+echo $ECHO_N "checking if inet_ntop() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
@@ -5084 +10026 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_INET_NTOP 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_INET_NTOP 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if getaddrinfo() is available" >&5
-$as_echo_n "checking if getaddrinfo() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if getaddrinfo() is available" >&5
+echo $ECHO_N "checking if getaddrinfo() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
@@ -5110 +10078 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCK_HAS_GETADDRINFO 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCK_HAS_GETADDRINFO 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if sockaddr_in has sin_len member" >&5
-$as_echo_n "checking if sockaddr_in has sin_len member... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if sockaddr_in has sin_len member" >&5
+echo $ECHO_N "checking if sockaddr_in has sin_len member... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
@@ -5137 +10131 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_SOCKADDR_HAS_LEN 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_SOCKADDR_HAS_LEN 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if socklen_t is available" >&5
-$as_echo_n "checking if socklen_t is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if socklen_t is available" >&5
+echo $ECHO_N "checking if socklen_t is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
@@ -5162 +10182 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_HAS_SOCKLEN_T 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SOCKLEN_T 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if SO_ERROR is available" >&5
-$as_echo_n "checking if SO_ERROR is available... " >&6; }
+{ echo "$as_me:$LINENO: checking if SO_ERROR is available" >&5
+echo $ECHO_N "checking if SO_ERROR is available... $ECHO_C" >&6; }
 case $target in
     *mingw* | *cygw* | *win32* | *w32* )
-        $as_echo "#define PJ_HAS_SO_ERROR 1" >>confdefs.h
-
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SO_ERROR 1
+_ACEOF
+
+        { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
         ;;
     *)
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+        cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <sys/types.h>
@@ -5197 +10245 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_HAS_SO_ERROR 1" >>confdefs.h
-
-                           { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SO_ERROR 1
+_ACEOF
+
+                           { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
         ;;
@@ -5211 +10281 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_rwlock_t is available" >&5
-$as_echo_n "checking if pthread_rwlock_t is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if pthread_rwlock_t is available" >&5
+echo $ECHO_N "checking if pthread_rwlock_t is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <pthread.h>
@@ -5224 +10298 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_EMULATE_RWMUTEX 0" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 0
+_ACEOF
 
                    ac_rwmutex="yes"
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  $as_echo "#define PJ_EMULATE_RWMUTEX 1" >>confdefs.h
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 1
+_ACEOF
 
                    ac_rwmutex="no"
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+                   { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test "$ac_rwmutex" = "no"; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS" >&5
-$as_echo_n "checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS... " >&6; }
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+    { echo "$as_me:$LINENO: checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS" >&5
+echo $ECHO_N "checking if pthread_rwlock_t is available with _POSIX_READER_WRITER_LOCKS... $ECHO_C" >&6; }
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #define _POSIX_READER_WRITER_LOCKS
@@ -5254 +10356 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_EMULATE_RWMUTEX 0" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 0
+_ACEOF
 
                        CFLAGS="$CFLAGS -D_POSIX_THREADS -D_POSIX_READER_WRITER_LOCKS"
-                       { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  $as_echo "#define PJ_EMULATE_RWMUTEX 1" >>confdefs.h
-
-                       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+                       { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_EMULATE_RWMUTEX 1
+_ACEOF
+
+                       { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_mutexattr_settype() is available" >&5
-$as_echo_n "checking if pthread_mutexattr_settype() is available... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if pthread_mutexattr_settype() is available" >&5
+echo $ECHO_N "checking if pthread_mutexattr_settype() is available... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <pthread.h>
@@ -5282 +10412 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_HAS_PTHREAD_MUTEXATTR_SETTYPE 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_PTHREAD_MUTEXATTR_SETTYPE 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pthread_mutexattr_t has recursive member" >&5
-$as_echo_n "checking if pthread_mutexattr_t has recursive member... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+{ echo "$as_me:$LINENO: checking if pthread_mutexattr_t has recursive member" >&5
+echo $ECHO_N "checking if pthread_mutexattr_t has recursive member... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <pthread.h>
@@ -5307 +10463 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  $as_echo "#define PJ_PTHREAD_MUTEXATTR_T_HAS_RECURSIVE 1" >>confdefs.h
-
-                   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  cat >>confdefs.h <<\_ACEOF
+#define PJ_PTHREAD_MUTEXATTR_T_HAS_RECURSIVE 1
+_ACEOF
+
+                   { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking ioqueue backend" >&5
-$as_echo_n "checking ioqueue backend... " >&6; }
+{ echo "$as_me:$LINENO: checking ioqueue backend" >&5
+echo $ECHO_N "checking ioqueue backend... $ECHO_C" >&6; }
 # Check whether --enable-epoll was given.
-if test "${enable_epoll+set}" = set; then :
+if test "${enable_epoll+set}" = set; then
   enableval=$enable_epoll;
                 ac_os_objs=ioqueue_epoll.o
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: /dev/epoll" >&5
-$as_echo "/dev/epoll" >&6; }
+                { echo "$as_me:$LINENO: result: /dev/epoll" >&5
+echo "${ECHO_T}/dev/epoll" >&6; }
 
 else
 
                 ac_os_objs=ioqueue_select.o
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: select()" >&5
-$as_echo "select()" >&6; }
+                { echo "$as_me:$LINENO: result: select()" >&5
+echo "${ECHO_T}select()" >&6; }
 
 fi
@@ -5341 +10519 @@
   *mingw* | *cygw* | *win32* | *w32* )
         ac_os_objs="$ac_os_objs file_access_win32.o file_io_win32.o os_core_win32.o os_error_win32.o os_time_win32.o os_timestamp_win32.o guid_win32.o"
+        ;;
+  *darwin*)
+        ac_os_objs="$ac_os_objs os_core_darwin.o"
         ;;
   *)
@@ -5360 +10541 @@
 
 # Check whether --with-external-speex was given.
-if test "${with_external_speex+set}" = set; then :
+if test "${with_external_speex+set}" = set; then
   withval=$with_external_speex;
         if test "x$with_external_speex" != "xno"; then
                 # Test Speex installation
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking if external Speex devkit is installed" >&5
-$as_echo_n "checking if external Speex devkit is installed... " >&6; }
-                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                { echo "$as_me:$LINENO: checking if external Speex devkit is installed" >&5
+echo $ECHO_N "checking if external Speex devkit is installed... $ECHO_C" >&6; }
+                cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <speex/speex.h>
@@ -5379 +10564 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
-                                   $as_echo "#define PJMEDIA_EXTERNAL_SPEEX_CODEC 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
+                                   cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_SPEEX_CODEC 1
+_ACEOF
 
                                    ac_external_speex="1"
 
 else
-  as_fn_error "Unable to use external Speex library. If Speex development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" "$LINENO" 5
-fi
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { { echo "$as_me:$LINENO: error: Unable to use external Speex library. If Speex development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&5
+echo "$as_me: error: Unable to use external Speex library. If Speex development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
         fi
@@ -5400 +10609 @@
 
 # Check whether --with-external-gsm was given.
-if test "${with_external_gsm+set}" = set; then :
+if test "${with_external_gsm+set}" = set; then
   withval=$with_external_gsm;
         if test "x$with_external_gsm" != "xno"; then
                 # Test GSM library installation
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking if external GSM devkit is installed as gsm/gsm.h" >&5
-$as_echo_n "checking if external GSM devkit is installed as gsm/gsm.h... " >&6; }
-                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                { echo "$as_me:$LINENO: checking if external GSM devkit is installed as gsm/gsm.h" >&5
+echo $ECHO_N "checking if external GSM devkit is installed as gsm/gsm.h... $ECHO_C" >&6; }
+                cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <gsm/gsm.h>
@@ -5417 +10630 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
-                     $as_echo "#define PJMEDIA_EXTERNAL_GSM_CODEC 1" >>confdefs.h
-
-                     $as_echo "#define PJMEDIA_EXTERNAL_GSM_GSM_H 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
+                     cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_CODEC 1
+_ACEOF
+
+                     cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_GSM_H 1
+_ACEOF
 
                      ac_external_gsm="1"
 
 else
-
-                     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                     { $as_echo "$as_me:${as_lineno-$LINENO}: checking if external GSM devkit is installed as gsm.h" >&5
-$as_echo_n "checking if external GSM devkit is installed as gsm.h... " >&6; }
-                     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+                     { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+                     { echo "$as_me:$LINENO: checking if external GSM devkit is installed as gsm.h" >&5
+echo $ECHO_N "checking if external GSM devkit is installed as gsm.h... $ECHO_C" >&6; }
+                     cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <gsm.h>
@@ -5443 +10683 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
-                         $as_echo "#define PJMEDIA_EXTERNAL_GSM_CODEC 1" >>confdefs.h
-
-                         $as_echo "#define PJMEDIA_EXTERNAL_GSM_H 1" >>confdefs.h
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
+                         cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_CODEC 1
+_ACEOF
+
+                         cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_EXTERNAL_GSM_H 1
+_ACEOF
 
                          ac_external_gsm="1"
 
 else
-  as_fn_error "Unable to use external GSM library. If GSM development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" "$LINENO" 5
-
-
-fi
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { { echo "$as_me:$LINENO: error: Unable to use external GSM library. If GSM development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&5
+echo "$as_me: error: Unable to use external GSM library. If GSM development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&2;}
+   { (exit 1); exit 1; }; }
+
+
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
 fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
         fi
@@ -5472 +10739 @@
 
 # Check whether --enable-sound was given.
-if test "${enable_sound+set}" = set; then :
+if test "${enable_sound+set}" = set; then
   enableval=$enable_sound; if test "$enable_sound" = "no"; then
                 ac_pjmedia_snd=null
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if sound is disabled... yes" >&5
-$as_echo "Checking if sound is disabled... yes" >&6; }
+                { echo "$as_me:$LINENO: result: Checking if sound is disabled... yes" >&5
+echo "${ECHO_T}Checking if sound is disabled... yes" >&6; }
                fi
 
@@ -5486 +10753 @@
 
 # Check whether --with-external-pa was given.
-if test "${with_external_pa+set}" = set; then :
+if test "${with_external_pa+set}" = set; then
   withval=$with_external_pa;
         if test "x$with_external_pa" != "xno"; then
                 # Test PortAudio installation
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking if external PortAudio devkit is installed" >&5
-$as_echo_n "checking if external PortAudio devkit is installed... " >&6; }
-                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                { echo "$as_me:$LINENO: checking if external PortAudio devkit is installed" >&5
+echo $ECHO_N "checking if external PortAudio devkit is installed... $ECHO_C" >&6; }
+                cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <portaudio.h>
@@ -5504 +10775 @@
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes!!" >&5
-$as_echo "yes!!" >&6; }
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  { echo "$as_me:$LINENO: result: yes!!" >&5
+echo "${ECHO_T}yes!!" >&6; }
                                    ac_external_pa="1"
 
 else
-  as_fn_error "Unable to use PortAudio. If PortAudio development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" "$LINENO" 5
-fi
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { { echo "$as_me:$LINENO: error: Unable to use PortAudio. If PortAudio development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&5
+echo "$as_me: error: Unable to use PortAudio. If PortAudio development files are not available in the default locations, use CFLAGS and LDFLAGS env var to set the include/lib paths" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
         fi
@@ -5520 +10813 @@
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "sys/soundcard.h" "ac_cv_header_sys_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_soundcard_h" = x""yes; then :
+if test "${ac_cv_header_sys_soundcard_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for sys/soundcard.h" >&5
+echo $ECHO_N "checking for sys/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_soundcard_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking sys/soundcard.h usability" >&5
+echo $ECHO_N "checking sys/soundcard.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <sys/soundcard.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking sys/soundcard.h presence" >&5
+echo $ECHO_N "checking sys/soundcard.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/soundcard.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: sys/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: sys/soundcard.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: sys/soundcard.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: sys/soundcard.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: sys/soundcard.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: sys/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: sys/soundcard.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: sys/soundcard.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: sys/soundcard.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for sys/soundcard.h" >&5
+echo $ECHO_N "checking for sys/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_sys_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_sys_soundcard_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_sys_soundcard_h" >&6; }
+
+fi
+if test $ac_cv_header_sys_soundcard_h = yes; then
   ac_pa_cflags="$ac_pa_cflags -DHAVE_SYS_SOUNDCARD_H"
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "linux/soundcard.h" "ac_cv_header_linux_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_linux_soundcard_h" = x""yes; then :
+if test "${ac_cv_header_linux_soundcard_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for linux/soundcard.h" >&5
+echo $ECHO_N "checking for linux/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_soundcard_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking linux/soundcard.h usability" >&5
+echo $ECHO_N "checking linux/soundcard.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <linux/soundcard.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking linux/soundcard.h presence" >&5
+echo $ECHO_N "checking linux/soundcard.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <linux/soundcard.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: linux/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: linux/soundcard.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: linux/soundcard.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: linux/soundcard.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: linux/soundcard.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: linux/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: linux/soundcard.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: linux/soundcard.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: linux/soundcard.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for linux/soundcard.h" >&5
+echo $ECHO_N "checking for linux/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_linux_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_linux_soundcard_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_linux_soundcard_h" >&6; }
+
+fi
+if test $ac_cv_header_linux_soundcard_h = yes; then
   ac_pa_cflags="$ac_pa_cflags -DHAVE_LINUX_SOUNDCARD_H"
 fi
 
 
-ac_fn_c_check_header_mongrel "$LINENO" "machine/soundcard.h" "ac_cv_header_machine_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_machine_soundcard_h" = x""yes; then :
+if test "${ac_cv_header_machine_soundcard_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for machine/soundcard.h" >&5
+echo $ECHO_N "checking for machine/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_machine_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_machine_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_machine_soundcard_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking machine/soundcard.h usability" >&5
+echo $ECHO_N "checking machine/soundcard.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <machine/soundcard.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking machine/soundcard.h presence" >&5
+echo $ECHO_N "checking machine/soundcard.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <machine/soundcard.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: machine/soundcard.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: machine/soundcard.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: machine/soundcard.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: machine/soundcard.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: machine/soundcard.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: machine/soundcard.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: machine/soundcard.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: machine/soundcard.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: machine/soundcard.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for machine/soundcard.h" >&5
+echo $ECHO_N "checking for machine/soundcard.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_machine_soundcard_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_machine_soundcard_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_machine_soundcard_h" >&5
+echo "${ECHO_T}$ac_cv_header_machine_soundcard_h" >&6; }
+
+fi
+if test $ac_cv_header_machine_soundcard_h = yes; then
   ac_pa_cflags="$ac_pa_cflags -DHAVE_MACHINE_SOUNDCARD_H"
 fi
@@ -5551 +11216 @@
   arm-apple-darwin*)
         LIBS="$LIBS -framework CoreAudio -framework CoreFoundation -framework AudioToolbox -framework CFNetwork"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... AudioUnit" >&5
-$as_echo "Checking sound device backend... AudioUnit" >&6; }
+        { echo "$as_me:$LINENO: result: Checking sound device backend... AudioUnit" >&5
+echo "${ECHO_T}Checking sound device backend... AudioUnit" >&6; }
         ;;
   *darwin*)
@@ -5560 +11225 @@
                 #AC_MSG_RESULT([Setting additional PortAudio CFLAGS.. -DPA_OLD_CORE_AUDIO -DMOSX_USE_NON_ATOMIC_FLAG_BITS])
                 ac_pjmedia_snd=pa_old_darwinos
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... old coreaudio" >&5
-$as_echo "Checking sound device backend... old coreaudio" >&6; }
+                { echo "$as_me:$LINENO: result: Checking sound device backend... old coreaudio" >&5
+echo "${ECHO_T}Checking sound device backend... old coreaudio" >&6; }
         else
                 ac_pjmedia_snd=pa_darwinos
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... coreaudio" >&5
-$as_echo "Checking sound device backend... coreaudio" >&6; }
+                { echo "$as_me:$LINENO: result: Checking sound device backend... coreaudio" >&5
+echo "${ECHO_T}Checking sound device backend... coreaudio" >&6; }
         fi
         ;;
   *cygwin* | *mingw*)
         ac_pjmedia_snd=pa_win32
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... win32 sound" >&5
-$as_echo "Checking sound device backend... win32 sound" >&6; }
+        { echo "$as_me:$LINENO: result: Checking sound device backend... win32 sound" >&5
+echo "${ECHO_T}Checking sound device backend... win32 sound" >&6; }
         ;;
   *rtems*)
         ac_pjmedia_snd=null
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... null sound" >&5
-$as_echo "Checking sound device backend... null sound" >&6; }
+        { echo "$as_me:$LINENO: result: Checking sound device backend... null sound" >&5
+echo "${ECHO_T}Checking sound device backend... null sound" >&6; }
         ;;
   *)
                 ac_pjmedia_snd=pa_unix
-        ac_fn_c_check_header_mongrel "$LINENO" "alsa/version.h" "ac_cv_header_alsa_version_h" "$ac_includes_default"
-if test "x$ac_cv_header_alsa_version_h" = x""yes; then :
+        if test "${ac_cv_header_alsa_version_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for alsa/version.h" >&5
+echo $ECHO_N "checking for alsa/version.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_alsa_version_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_alsa_version_h" >&5
+echo "${ECHO_T}$ac_cv_header_alsa_version_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking alsa/version.h usability" >&5
+echo $ECHO_N "checking alsa/version.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <alsa/version.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking alsa/version.h presence" >&5
+echo $ECHO_N "checking alsa/version.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <alsa/version.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: alsa/version.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: alsa/version.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: alsa/version.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: alsa/version.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: alsa/version.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: alsa/version.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: alsa/version.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: alsa/version.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: alsa/version.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for alsa/version.h" >&5
+echo $ECHO_N "checking for alsa/version.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_alsa_version_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_alsa_version_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_alsa_version_h" >&5
+echo "${ECHO_T}$ac_cv_header_alsa_version_h" >&6; }
+
+fi
+if test $ac_cv_header_alsa_version_h = yes; then
   ac_pa_use_alsa=1
 
@@ -5592 +11381 @@
 
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking sound device backend... unix" >&5
-$as_echo "Checking sound device backend... unix" >&6; }
+        { echo "$as_me:$LINENO: result: Checking sound device backend... unix" >&5
+echo "${ECHO_T}Checking sound device backend... unix" >&6; }
 
                 ac_pa_use_oss=1
 
         # Check whether --enable-oss was given.
-if test "${enable_oss+set}" = set; then :
+if test "${enable_oss+set}" = set; then
   enableval=$enable_oss;
                         if test "$enable_oss" = "no"; then
                          ac_pa_use_oss=0
-                         { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if OSS audio is disabled... yes" >&5
-$as_echo "Checking if OSS audio is disabled... yes" >&6; }
+                         { echo "$as_me:$LINENO: result: Checking if OSS audio is disabled... yes" >&5
+echo "${ECHO_T}Checking if OSS audio is disabled... yes" >&6; }
                         fi
 
@@ -5622 +11411 @@
         ac_ios_cflags="-DPJMEDIA_VIDEO_DEV_HAS_IOS=1"
         LIBS="$LIBS -framework AVFoundation -framework UIKit -framework CoreGraphics -framework QuartzCore -framework CoreVideo -framework CoreMedia"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking video device backend... AVFoundation" >&5
-$as_echo "Checking video device backend... AVFoundation" >&6; }
+        { echo "$as_me:$LINENO: result: Checking video device backend... AVFoundation" >&5
+echo "${ECHO_T}Checking video device backend... AVFoundation" >&6; }
         ;;
   *darwin*)
@@ -5631 +11420 @@
         SAVED_LIBS="$LIBS"
         LIBS="-framework QTKit"
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+        cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -5642 +11435 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_pjmedia_video_has_qt=yes
 else
-  ac_pjmedia_video_has_qt=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_pjmedia_video_has_qt=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
         LIBS="$SAVED_LIBS"
         if test "$ac_pjmedia_video_has_qt" = "yes"; then
           ac_qt_cflags="-DPJMEDIA_VIDEO_DEV_HAS_QT=1"
           LIBS="$LIBS -framework QTKit -framework Foundation -framework AppKit -framework QuartzCore -framework OpenGL"
-          { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if QTKit framework is available... yes" >&5
-$as_echo "Checking if QTKit framework is available... yes" >&6; }
+          { echo "$as_me:$LINENO: result: Checking if QTKit framework is available... yes" >&5
+echo "${ECHO_T}Checking if QTKit framework is available... yes" >&6; }
         else
-          { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if QTKit framework is available... no" >&5
-$as_echo "Checking if QTKit framework is available... no" >&6; }
+          { echo "$as_me:$LINENO: result: Checking if QTKit framework is available... no" >&5
+echo "${ECHO_T}Checking if QTKit framework is available... no" >&6; }
         fi
         ;;
@@ -5664 +11478 @@
 
 # Check whether --enable-ext_sound was given.
-if test "${enable_ext_sound+set}" = set; then :
+if test "${enable_ext_sound+set}" = set; then
   enableval=$enable_ext_sound; if test "$enable_ext_sound" = "yes"; then
                 ac_pjmedia_snd=external
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if external sound is set... yes" >&5
-$as_echo "Checking if external sound is set... yes" >&6; }
+                { echo "$as_me:$LINENO: result: Checking if external sound is set... yes" >&5
+echo "${ECHO_T}Checking if external sound is set... yes" >&6; }
                fi
 
@@ -5676 +11490 @@
 
 # Check whether --enable-small-filter was given.
-if test "${enable_small_filter+set}" = set; then :
+if test "${enable_small_filter+set}" = set; then
   enableval=$enable_small_filter; if test "$enable_small_filter" = "no"; then
                 ac_no_small_filter='-DPJMEDIA_HAS_SMALL_FILTER=0'
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if small filter is disabled... yes" >&5
-$as_echo "Checking if small filter is disabled... yes" >&6; }
+                { echo "$as_me:$LINENO: result: Checking if small filter is disabled... yes" >&5
+echo "${ECHO_T}Checking if small filter is disabled... yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if small filter is disabled... no" >&5
-$as_echo "Checking if small filter is disabled... no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if small filter is disabled... no" >&5
+echo "${ECHO_T}Checking if small filter is disabled... no" >&6; }
 fi
 
@@ -5690 +11504 @@
 
 # Check whether --enable-large-filter was given.
-if test "${enable_large_filter+set}" = set; then :
+if test "${enable_large_filter+set}" = set; then
   enableval=$enable_large_filter; if test "$enable_large_filter" = "no"; then
                 ac_no_large_filter='-DPJMEDIA_HAS_LARGE_FILTER=0'
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if large filter is disabled... yes" >&5
-$as_echo "Checking if large filter is disabled... yes" >&6; }
+                { echo "$as_me:$LINENO: result: Checking if large filter is disabled... yes" >&5
+echo "${ECHO_T}Checking if large filter is disabled... yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if large filter is disabled... no" >&5
-$as_echo "Checking if large filter is disabled... no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if large filter is disabled... no" >&5
+echo "${ECHO_T}Checking if large filter is disabled... no" >&6; }
 fi
 
@@ -5704 +11518 @@
 
 # Check whether --enable-speex-aec was given.
-if test "${enable_speex_aec+set}" = set; then :
+if test "${enable_speex_aec+set}" = set; then
   enableval=$enable_speex_aec; if test "$enable_speex_aec" = "no"; then
                 ac_no_speex_aec='-DPJMEDIA_HAS_SPEEX_AEC=0'
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex AEC is disabled...yes" >&5
-$as_echo "Checking if Speex AEC is disabled...yes" >&6; }
+                { echo "$as_me:$LINENO: result: Checking if Speex AEC is disabled...yes" >&5
+echo "${ECHO_T}Checking if Speex AEC is disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex AEC is disabled...no" >&5
-$as_echo "Checking if Speex AEC is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if Speex AEC is disabled...no" >&5
+echo "${ECHO_T}Checking if Speex AEC is disabled...no" >&6; }
 fi
 
@@ -5718 +11532 @@
 
 # Check whether --enable-g711-codec was given.
-if test "${enable_g711_codec+set}" = set; then :
+if test "${enable_g711_codec+set}" = set; then
   enableval=$enable_g711_codec; if test "$enable_g711_codec" = "no"; then
                 ac_no_g711_codec=1
-                $as_echo "#define PJMEDIA_HAS_G711_CODEC 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.711 codec is disabled...yes" >&5
-$as_echo "Checking if G.711 codec is disabled...yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_G711_CODEC 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if G.711 codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if G.711 codec is disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.711 codec is disabled...no" >&5
-$as_echo "Checking if G.711 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if G.711 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if G.711 codec is disabled...no" >&6; }
 fi
 
@@ -5735 +11551 @@
 
 # Check whether --enable-l16-codec was given.
-if test "${enable_l16_codec+set}" = set; then :
+if test "${enable_l16_codec+set}" = set; then
   enableval=$enable_l16_codec; if test "$enable_l16_codec" = "no"; then
                 ac_no_l16_codec=1
-                $as_echo "#define PJMEDIA_HAS_L16_CODEC 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if L16 codecs are disabled...yes" >&5
-$as_echo "Checking if L16 codecs are disabled...yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_L16_CODEC 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if L16 codecs are disabled...yes" >&5
+echo "${ECHO_T}Checking if L16 codecs are disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if L16 codec is disabled...no" >&5
-$as_echo "Checking if L16 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if L16 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if L16 codec is disabled...no" >&6; }
 fi
 
@@ -5752 +11570 @@
 
 # Check whether --enable-gsm-codec was given.
-if test "${enable_gsm_codec+set}" = set; then :
+if test "${enable_gsm_codec+set}" = set; then
   enableval=$enable_gsm_codec; if test "$enable_gsm_codec" = "no"; then
                 ac_no_gsm_codec=1
-                $as_echo "#define PJMEDIA_HAS_GSM_CODEC 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if GSM codec is disabled...yes" >&5
-$as_echo "Checking if GSM codec is disabled...yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_GSM_CODEC 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if GSM codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if GSM codec is disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if GSM codec is disabled...no" >&5
-$as_echo "Checking if GSM codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if GSM codec is disabled...no" >&5
+echo "${ECHO_T}Checking if GSM codec is disabled...no" >&6; }
 fi
 
@@ -5768 +11588 @@
 
 # Check whether --enable-g722-codec was given.
-if test "${enable_g722_codec+set}" = set; then :
+if test "${enable_g722_codec+set}" = set; then
   enableval=$enable_g722_codec; if test "$enable_g722_codec" = "no"; then
                 ac_no_g722_codec=1
-                $as_echo "#define PJMEDIA_HAS_G722_CODEC 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722 codec is disabled...yes" >&5
-$as_echo "Checking if G.722 codec is disabled...yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_G722_CODEC 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if G.722 codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if G.722 codec is disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722 codec is disabled...no" >&5
-$as_echo "Checking if G.722 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if G.722 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if G.722 codec is disabled...no" >&6; }
 fi
 
@@ -5784 +11606 @@
 
 # Check whether --enable-g7221-codec was given.
-if test "${enable_g7221_codec+set}" = set; then :
+if test "${enable_g7221_codec+set}" = set; then
   enableval=$enable_g7221_codec; if test "$enable_g7221_codec" = "no"; then
                 ac_no_g7221_codec=1
-                $as_echo "#define PJMEDIA_HAS_G7221_CODEC 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722.1 codec is disabled...yes" >&5
-$as_echo "Checking if G.722.1 codec is disabled...yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_G7221_CODEC 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if G.722.1 codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if G.722.1 codec is disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if G.722.1 codec is disabled...no" >&5
-$as_echo "Checking if G.722.1 codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if G.722.1 codec is disabled...no" >&5
+echo "${ECHO_T}Checking if G.722.1 codec is disabled...no" >&6; }
 fi
 
@@ -5800 +11624 @@
 
 # Check whether --enable-speex-codec was given.
-if test "${enable_speex_codec+set}" = set; then :
+if test "${enable_speex_codec+set}" = set; then
   enableval=$enable_speex_codec; if test "$enable_speex_codec" = "no"; then
                 ac_no_speex_codec=1
-                $as_echo "#define PJMEDIA_HAS_SPEEX_CODEC 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex codec is disabled...yes" >&5
-$as_echo "Checking if Speex codec is disabled...yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_SPEEX_CODEC 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if Speex codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if Speex codec is disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if Speex codec is disabled...no" >&5
-$as_echo "Checking if Speex codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if Speex codec is disabled...no" >&5
+echo "${ECHO_T}Checking if Speex codec is disabled...no" >&6; }
 fi
 
@@ -5816 +11642 @@
 
 # Check whether --enable-ilbc-codec was given.
-if test "${enable_ilbc_codec+set}" = set; then :
+if test "${enable_ilbc_codec+set}" = set; then
   enableval=$enable_ilbc_codec; if test "$enable_ilbc_codec" = "no"; then
                 ac_no_ilbc_codec=1
-                $as_echo "#define PJMEDIA_HAS_ILBC_CODEC 0" >>confdefs.h
-
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if iLBC codec is disabled...yes" >&5
-$as_echo "Checking if iLBC codec is disabled...yes" >&6; }
+                cat >>confdefs.h <<\_ACEOF
+#define PJMEDIA_HAS_ILBC_CODEC 0
+_ACEOF
+
+                { echo "$as_me:$LINENO: result: Checking if iLBC codec is disabled...yes" >&5
+echo "${ECHO_T}Checking if iLBC codec is disabled...yes" >&6; }
                fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if iLBC codec is disabled...no" >&5
-$as_echo "Checking if iLBC codec is disabled...no" >&6; }
+  { echo "$as_me:$LINENO: result: Checking if iLBC codec is disabled...no" >&5
+echo "${ECHO_T}Checking if iLBC codec is disabled...no" >&6; }
 fi
 
 
 # Check whether --enable-libsamplerate was given.
-if test "${enable_libsamplerate+set}" = set; then :
-  enableval=$enable_libsamplerate;  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for src_new in -lsamplerate" >&5
-$as_echo_n "checking for src_new in -lsamplerate... " >&6; }
-if test "${ac_cv_lib_samplerate_src_new+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+if test "${enable_libsamplerate+set}" = set; then
+  enableval=$enable_libsamplerate;
+{ echo "$as_me:$LINENO: checking for src_new in -lsamplerate" >&5
+echo $ECHO_N "checking for src_new in -lsamplerate... $ECHO_C" >&6; }
+if test "${ac_cv_lib_samplerate_src_new+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsamplerate  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -5857 +11690 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_samplerate_src_new=yes
 else
-  ac_cv_lib_samplerate_src_new=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_samplerate_src_new=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_samplerate_src_new" >&5
-$as_echo "$ac_cv_lib_samplerate_src_new" >&6; }
-if test "x$ac_cv_lib_samplerate_src_new" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_samplerate_src_new" >&5
+echo "${ECHO_T}$ac_cv_lib_samplerate_src_new" >&6; }
+if test $ac_cv_lib_samplerate_src_new = yes; then
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSAMPLERATE 1
@@ -5878 +11732 @@
 
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Skipping libsamplerate detection" >&5
-$as_echo "Skipping libsamplerate detection" >&6; }
+  { echo "$as_me:$LINENO: result: Skipping libsamplerate detection" >&5
+echo "${ECHO_T}Skipping libsamplerate detection" >&6; }
 
 fi
@@ -5885 +11739 @@
 
 # Check whether --enable-sdl was given.
-if test "${enable_sdl+set}" = set; then :
+if test "${enable_sdl+set}" = set; then
   enableval=$enable_sdl;
                 if test "$enable_sdl" = "no"; then
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if SDL is disabled... yes" >&5
-$as_echo "Checking if SDL is disabled... yes" >&6; }
+                  { echo "$as_me:$LINENO: result: Checking if SDL is disabled... yes" >&5
+echo "${ECHO_T}Checking if SDL is disabled... yes" >&6; }
                 fi
 
 else
 
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: checking SDL availability.." >&5
-$as_echo_n "checking SDL availability..... " >&6; }
+                  { echo "$as_me:$LINENO: checking SDL availability.." >&5
+echo $ECHO_N "checking SDL availability..... $ECHO_C" >&6; }
                   if sdl-config --version; then
 
@@ -5910 +11764 @@
 
 # Check whether --enable-ffmpeg was given.
-if test "${enable_ffmpeg+set}" = set; then :
+if test "${enable_ffmpeg+set}" = set; then
   enableval=$enable_ffmpeg;
                 ac_has_ffmpeg=0
 
                 if test "$enable_ffmpeg" = "no"; then
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if ffmpeg is disabled... yes" >&5
-$as_echo "Checking if ffmpeg is disabled... yes" >&6; }
+                        { echo "$as_me:$LINENO: result: Checking if ffmpeg is disabled... yes" >&5
+echo "${ECHO_T}Checking if ffmpeg is disabled... yes" >&6; }
                 fi
 
@@ -5927 +11781 @@
                 if test "x$with_ffmpeg" != "xno" -a "x$with_ffmpeg" != "x"; then
                         FFMPEG_PREFIX=$with_ffmpeg
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Using ffmpeg prefix... $FFMPEG_PREFIX" >&5
-$as_echo "Using ffmpeg prefix... $FFMPEG_PREFIX" >&6; }
+                        { echo "$as_me:$LINENO: result: Using ffmpeg prefix... $FFMPEG_PREFIX" >&5
+echo "${ECHO_T}Using ffmpeg prefix... $FFMPEG_PREFIX" >&6; }
                         LIBS="-L$FFMPEG_PREFIX/lib $LIBS"
+                        LDFLAGS="-L$FFMPEG_PREFIX/lib $LDFLAGS"
                         CFLAGS="-I$FFMPEG_PREFIX/include $CFLAGS"
                 fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for avdevice_version in -lavdevice" >&5
-$as_echo_n "checking for avdevice_version in -lavdevice... " >&6; }
-if test "${ac_cv_lib_avdevice_avdevice_version+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for avdevice_version in -lavdevice" >&5
+echo $ECHO_N "checking for avdevice_version in -lavdevice... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avdevice_avdevice_version+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavdevice  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -5958 +11817 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avdevice_avdevice_version=yes
 else
-  ac_cv_lib_avdevice_avdevice_version=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_avdevice_avdevice_version=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avdevice_avdevice_version" >&5
-$as_echo "$ac_cv_lib_avdevice_avdevice_version" >&6; }
-if test "x$ac_cv_lib_avdevice_avdevice_version" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avdevice_avdevice_version" >&5
+echo "${ECHO_T}$ac_cv_lib_avdevice_avdevice_version" >&6; }
+if test $ac_cv_lib_avdevice_avdevice_version = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVDEVICE=1"
                               ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavdevice"
@@ -5976 +11856 @@
 fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for av_register_all in -lavformat" >&5
-$as_echo_n "checking for av_register_all in -lavformat... " >&6; }
-if test "${ac_cv_lib_avformat_av_register_all+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for av_register_all in -lavformat" >&5
+echo $ECHO_N "checking for av_register_all in -lavformat... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avformat_av_register_all+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavformat  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6001 +11885 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avformat_av_register_all=yes
 else
-  ac_cv_lib_avformat_av_register_all=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_avformat_av_register_all=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avformat_av_register_all" >&5
-$as_echo "$ac_cv_lib_avformat_av_register_all" >&6; }
-if test "x$ac_cv_lib_avformat_av_register_all" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avformat_av_register_all" >&5
+echo "${ECHO_T}$ac_cv_lib_avformat_av_register_all" >&6; }
+if test $ac_cv_lib_avformat_av_register_all = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVFORMAT=1"
                               ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavformat"
@@ -6019 +11924 @@
 fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for avcodec_init in -lavcodec" >&5
-$as_echo_n "checking for avcodec_init in -lavcodec... " >&6; }
-if test "${ac_cv_lib_avcodec_avcodec_init+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for avcodec_init in -lavcodec" >&5
+echo $ECHO_N "checking for avcodec_init in -lavcodec... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avcodec_avcodec_init+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavcodec  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6044 +11953 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avcodec_avcodec_init=yes
 else
-  ac_cv_lib_avcodec_avcodec_init=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_avcodec_avcodec_init=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avcodec_avcodec_init" >&5
-$as_echo "$ac_cv_lib_avcodec_avcodec_init" >&6; }
-if test "x$ac_cv_lib_avcodec_avcodec_init" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avcodec_avcodec_init" >&5
+echo "${ECHO_T}$ac_cv_lib_avcodec_avcodec_init" >&6; }
+if test $ac_cv_lib_avcodec_avcodec_init = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVCODEC=1"
                               ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavcodec"
@@ -6062 +11992 @@
 fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sws_scale in -lswscale" >&5
-$as_echo_n "checking for sws_scale in -lswscale... " >&6; }
-if test "${ac_cv_lib_swscale_sws_scale+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for sws_scale in -lswscale" >&5
+echo $ECHO_N "checking for sws_scale in -lswscale... $ECHO_C" >&6; }
+if test "${ac_cv_lib_swscale_sws_scale+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lswscale  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6087 +12021 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_swscale_sws_scale=yes
 else
-  ac_cv_lib_swscale_sws_scale=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_swscale_sws_scale=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_swscale_sws_scale" >&5
-$as_echo "$ac_cv_lib_swscale_sws_scale" >&6; }
-if test "x$ac_cv_lib_swscale_sws_scale" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_swscale_sws_scale" >&5
+echo "${ECHO_T}$ac_cv_lib_swscale_sws_scale" >&6; }
+if test $ac_cv_lib_swscale_sws_scale = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBSWSCALE=1"
                               ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lswscale"
@@ -6105 +12060 @@
 fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for av_malloc in -lavutil" >&5
-$as_echo_n "checking for av_malloc in -lavutil... " >&6; }
-if test "${ac_cv_lib_avutil_av_malloc+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for av_malloc in -lavutil" >&5
+echo $ECHO_N "checking for av_malloc in -lavutil... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avutil_av_malloc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavutil  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6130 +12089 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avutil_av_malloc=yes
 else
-  ac_cv_lib_avutil_av_malloc=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_avutil_av_malloc=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avutil_av_malloc" >&5
-$as_echo "$ac_cv_lib_avutil_av_malloc" >&6; }
-if test "x$ac_cv_lib_avutil_av_malloc" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avutil_av_malloc" >&5
+echo "${ECHO_T}$ac_cv_lib_avutil_av_malloc" >&6; }
+if test $ac_cv_lib_avutil_av_malloc = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVUTIL=1"
                               ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavutil"
@@ -6148 +12128 @@
 fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for avcore_version in -lavcore" >&5
-$as_echo_n "checking for avcore_version in -lavcore... " >&6; }
-if test "${ac_cv_lib_avcore_avcore_version+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for avcore_version in -lavcore" >&5
+echo $ECHO_N "checking for avcore_version in -lavcore... $ECHO_C" >&6; }
+if test "${ac_cv_lib_avcore_avcore_version+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lavcore  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6173 +12157 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_avcore_avcore_version=yes
 else
-  ac_cv_lib_avcore_avcore_version=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_avcore_avcore_version=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_avcore_avcore_version" >&5
-$as_echo "$ac_cv_lib_avcore_avcore_version" >&6; }
-if test "x$ac_cv_lib_avcore_avcore_version" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_avcore_avcore_version" >&5
+echo "${ECHO_T}$ac_cv_lib_avcore_avcore_version" >&6; }
+if test $ac_cv_lib_avcore_avcore_version = yes; then
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVCORE=1"
                               ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavcore"
@@ -6199 +12204 @@
 
 # Check whether --with-ffmpeg was given.
-if test "${with_ffmpeg+set}" = set; then :
+if test "${with_ffmpeg+set}" = set; then
   withval=$with_ffmpeg;
 else
@@ -6209 +12214 @@
 
 # Check whether --enable-v4l2 was given.
-if test "${enable_v4l2+set}" = set; then :
+if test "${enable_v4l2+set}" = set; then
   enableval=$enable_v4l2;
                 if test "$enable_v4l2" = "no"; then
-                  { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if V4L2 is disabled... yes" >&5
-$as_echo "Checking if V4L2 is disabled... yes" >&6; }
+                  { echo "$as_me:$LINENO: result: Checking if V4L2 is disabled... yes" >&5
+echo "${ECHO_T}Checking if V4L2 is disabled... yes" >&6; }
                 fi
 
@@ -6220 +12225 @@
 
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for v4l2_open in -lv4l2" >&5
-$as_echo_n "checking for v4l2_open in -lv4l2... " >&6; }
-if test "${ac_cv_lib_v4l2_v4l2_open+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for v4l2_open in -lv4l2" >&5
+echo $ECHO_N "checking for v4l2_open in -lv4l2... $ECHO_C" >&6; }
+if test "${ac_cv_lib_v4l2_v4l2_open+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lv4l2  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6245 +12254 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_v4l2_v4l2_open=yes
 else
-  ac_cv_lib_v4l2_v4l2_open=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_v4l2_v4l2_open=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_v4l2_v4l2_open" >&5
-$as_echo "$ac_cv_lib_v4l2_v4l2_open" >&6; }
-if test "x$ac_cv_lib_v4l2_v4l2_open" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_v4l2_v4l2_open" >&5
+echo "${ECHO_T}$ac_cv_lib_v4l2_v4l2_open" >&6; }
+if test $ac_cv_lib_v4l2_v4l2_open = yes; then
   ac_v4l2_cflags="-DPJMEDIA_VIDEO_DEV_HAS_V4L2=1"
                               ac_v4l2_ldflags="-lv4l2"
@@ -6269 +12299 @@
 
 # Check whether --enable-ipp was given.
-if test "${enable_ipp+set}" = set; then :
+if test "${enable_ipp+set}" = set; then
   enableval=$enable_ipp;
 else
@@ -6279 +12309 @@
 
 # Check whether --with-ipp was given.
-if test "${with_ipp+set}" = set; then :
+if test "${with_ipp+set}" = set; then
   withval=$with_ipp;
 else
@@ -6289 +12319 @@
 
 # Check whether --with-ipp-samples was given.
-if test "${with_ipp_samples+set}" = set; then :
+if test "${with_ipp_samples+set}" = set; then
   withval=$with_ipp_samples;
 else
@@ -6299 +12329 @@
 
 # Check whether --with-ipp-arch was given.
-if test "${with_ipp_arch+set}" = set; then :
+if test "${with_ipp_arch+set}" = set; then
   withval=$with_ipp_arch;
 else
@@ -6308 +12338 @@
 
 if test "x$enable_ipp" != "xno"; then
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP location" >&5
-$as_echo_n "checking Intel IPP location... " >&6; }
+                { echo "$as_me:$LINENO: checking Intel IPP location" >&5
+echo $ECHO_N "checking Intel IPP location... $ECHO_C" >&6; }
 
     if test "x$with_ipp" != "xno" -a "x$with_ipp" != "x"; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_ipp" >&5
-$as_echo "$with_ipp" >&6; }
+        { echo "$as_me:$LINENO: result: $with_ipp" >&5
+echo "${ECHO_T}$with_ipp" >&6; }
         IPPROOT=$with_ipp
     elif test "x$IPPROOT" = "x"; then
         if test -d /opt/intel/ipp; then
             IPPROOT=`ls -d /opt/intel/ipp/*/* | head -1`
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: autodetected in $IPPROOT" >&5
-$as_echo "autodetected in $IPPROOT" >&6; }
+            { echo "$as_me:$LINENO: result: autodetected in $IPPROOT" >&5
+echo "${ECHO_T}autodetected in $IPPROOT" >&6; }
         fi
     else
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $IPPROOT" >&5
-$as_echo "$IPPROOT" >&6; }
+        { echo "$as_me:$LINENO: result: $IPPROOT" >&5
+echo "${ECHO_T}$IPPROOT" >&6; }
     fi
 
     if test "x$with_ipp_arch" != "xno"; then
         IPP_SUFFIX=$with_ipp_arch
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: IPP arch suffix is set to $IPP_SUFFIX" >&5
-$as_echo "IPP arch suffix is set to $IPP_SUFFIX" >&6; }
+        { echo "$as_me:$LINENO: result: IPP arch suffix is set to $IPP_SUFFIX" >&5
+echo "${ECHO_T}IPP arch suffix is set to $IPP_SUFFIX" >&6; }
     else
         IPP_SUFFIX=""
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: IPP arch suffix is set to empty" >&5
-$as_echo "IPP arch suffix is set to empty" >&6; }
+        { echo "$as_me:$LINENO: result: IPP arch suffix is set to empty" >&5
+echo "${ECHO_T}IPP arch suffix is set to empty" >&6; }
     fi
 
     if test x$IPPROOT = x; then
-        as_fn_error "the location is neither specified nor can be guessed. Please specify with IPPROOT env var or with --with-ipp option" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: the location is neither specified nor can be guessed. Please specify with IPPROOT env var or with --with-ipp option" >&5
+echo "$as_me: error: the location is neither specified nor can be guessed. Please specify with IPPROOT env var or with --with-ipp option" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPROOT; then
-        as_fn_error "not found" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: not found" >&5
+echo "$as_me: error: not found" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPROOT/include; then
-        as_fn_error "directory doesn't seem to be valid" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: directory doesn't seem to be valid" >&5
+echo "$as_me: error: directory doesn't seem to be valid" >&2;}
+   { (exit 1); exit 1; }; }
     else
         # IPP directory looks okay.
@@ -6378 +12414 @@
                    # IPP7
                    if ! test -d $IPPROOT/../compiler; then
-                        as_fn_error "Cannot find $IPPROOT/../compiler directory. Please set IPPROOT variable correctly" "$LINENO" 5
+                        { { echo "$as_me:$LINENO: error: Cannot find $IPPROOT/../compiler directory. Please set IPPROOT variable correctly" >&5
+echo "$as_me: error: Cannot find $IPPROOT/../compiler directory. Please set IPPROOT variable correctly" >&2;}
+   { (exit 1); exit 1; }; }
                    fi
                    IPP_CFLAGS="$IPP_CFLAGS"
@@ -6396 +12434 @@
 
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP usability" >&5
-$as_echo_n "checking Intel IPP usability... " >&6; }
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+        { echo "$as_me:$LINENO: checking Intel IPP usability" >&5
+echo $ECHO_N "checking Intel IPP usability... $ECHO_C" >&6; }
+        cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <ippcore.h>
@@ -6410 +12452 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-{ as_fn_set_status run with --help for more info
-as_fn_error "Error: unable to recognize your IPP installation. Make sure the paths and ARCH suffix are set correctly
-See \`config.log' for more details." "$LINENO" 5; }; }
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { { echo "$as_me:$LINENO: error: Error: unable to recognize your IPP installation. Make sure the paths and ARCH suffix are set correctly
+See \`config.log' for more details." >&5
+echo "$as_me: error: Error: unable to recognize your IPP installation. Make sure the paths and ARCH suffix are set correctly
+See \`config.log' for more details." >&2;}
+   { (exit run with --help for more info); exit run with --help for more info; }; }
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 
         CFLAGS="$SAVED_CFLAGS"
@@ -6428 +12491 @@
     fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP samples location" >&5
-$as_echo_n "checking Intel IPP samples location... " >&6; }
+                { echo "$as_me:$LINENO: checking Intel IPP samples location" >&5
+echo $ECHO_N "checking Intel IPP samples location... $ECHO_C" >&6; }
 
     if test "x$with_ipp_samples" != "xno" -a "x$with_ipp_samples" != "x"; then
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_ipp_samples" >&5
-$as_echo "$with_ipp_samples" >&6; }
+        { echo "$as_me:$LINENO: result: $with_ipp_samples" >&5
+echo "${ECHO_T}$with_ipp_samples" >&6; }
         IPPSAMPLES=$with_ipp_samples
     elif test "x$IPPSAMPLES" = "x"; then
         if test -d /opt/intel/ipp-samples; then
             IPPSAMPLES=/opt/intel/ipp-samples
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: autodetected in $IPPSAMPLES" >&5
-$as_echo "autodetected in $IPPSAMPLES" >&6; }
+            { echo "$as_me:$LINENO: result: autodetected in $IPPSAMPLES" >&5
+echo "${ECHO_T}autodetected in $IPPSAMPLES" >&6; }
         fi
     else
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $IPPSAMPLES" >&5
-$as_echo "$IPPSAMPLES" >&6; }
+        { echo "$as_me:$LINENO: result: $IPPSAMPLES" >&5
+echo "${ECHO_T}$IPPSAMPLES" >&6; }
     fi
 
     if test x$IPPSAMPLES = x; then
-        as_fn_error "the location is neither specified nor can be guessed. Please specify with IPPSAMPLES env var or with --with-ipp-samples option" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: the location is neither specified nor can be guessed. Please specify with IPPSAMPLES env var or with --with-ipp-samples option" >&5
+echo "$as_me: error: the location is neither specified nor can be guessed. Please specify with IPPSAMPLES env var or with --with-ipp-samples option" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPSAMPLES; then
-        as_fn_error "not found" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: not found" >&5
+echo "$as_me: error: not found" >&2;}
+   { (exit 1); exit 1; }; }
     elif test ! -d $IPPSAMPLES/speech-codecs; then
-        as_fn_error "directory doesn't seem to be valid" "$LINENO" 5
+        { { echo "$as_me:$LINENO: error: directory doesn't seem to be valid" >&5
+echo "$as_me: error: directory doesn't seem to be valid" >&2;}
+   { (exit 1); exit 1; }; }
     else
         # Remove trailing backslash
@@ -6457 +12526 @@
 
         # Guess the libusc.a/libspeech.a build location
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP USC build location" >&5
-$as_echo_n "checking Intel IPP USC build location... " >&6; }
+        { echo "$as_me:$LINENO: checking Intel IPP USC build location" >&5
+echo $ECHO_N "checking Intel IPP USC build location... $ECHO_C" >&6; }
         if test -d $IPPSAMPLES/speech-codecs/bin; then
             IPPVER=5
@@ -6471 +12540 @@
                 IPPSAMP_DIR=`ls -d $IPPSAMPLES/speech-codecs/_bin/*icc*/lib | head -1`
             else
-                { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "Unable to find to find built binaries under $IPPSAMPLES/speech-codecs/{bin,_bin}. Have you built the IPP samples?
-See \`config.log' for more details." "$LINENO" 5; }
+                { { echo "$as_me:$LINENO: error: Unable to find to find built binaries under $IPPSAMPLES/speech-codecs/{bin,_bin}. Have you built the IPP samples?
+See \`config.log' for more details." >&5
+echo "$as_me: error: Unable to find to find built binaries under $IPPSAMPLES/speech-codecs/{bin,_bin}. Have you built the IPP samples?
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
             fi
         else
-            { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "unable to find $IPPSAMPLES/speech-codecs/bin/*gcc*/lib or $IPPSAMPLES/speech-codecs/_bin/*gcc*/lib directory. Have you built the samples?
-See \`config.log' for more details." "$LINENO" 5; }
+            { { echo "$as_me:$LINENO: error: unable to find $IPPSAMPLES/speech-codecs/bin/*gcc*/lib or $IPPSAMPLES/speech-codecs/_bin/*gcc*/lib directory. Have you built the samples?
+See \`config.log' for more details." >&5
+echo "$as_me: error: unable to find $IPPSAMPLES/speech-codecs/bin/*gcc*/lib or $IPPSAMPLES/speech-codecs/_bin/*gcc*/lib directory. Have you built the samples?
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
         fi
 
         # Test the directory
         if test ! -d $IPPSAMP_DIR; then
-            { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "There's something wrong with this script, directory $IPPSAMP_DIR does not exist
-See \`config.log' for more details." "$LINENO" 5; }
+            { { echo "$as_me:$LINENO: error: There's something wrong with this script, directory $IPPSAMP_DIR does not exist
+See \`config.log' for more details." >&5
+echo "$as_me: error: There's something wrong with this script, directory $IPPSAMP_DIR does not exist
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
             exit 1;
         fi
@@ -6499 +12571 @@
             IPPSAMP_LDLIBS="-lspeech"
         else
-            { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "bug in this script: unsupported IPP version
-See \`config.log' for more details." "$LINENO" 5; }
+            { { echo "$as_me:$LINENO: error: bug in this script: unsupported IPP version
+See \`config.log' for more details." >&5
+echo "$as_me: error: bug in this script: unsupported IPP version
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
         fi
 
         if test ! -f $IPPSAMP_DIR/$IPPSAMP_LIBS; then
-            { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "$IPPSAMP_LIBS doesn't exist in $IPPSAMP_DIR
-See \`config.log' for more details." "$LINENO" 5; }
+            { { echo "$as_me:$LINENO: error: $IPPSAMP_LIBS doesn't exist in $IPPSAMP_DIR
+See \`config.log' for more details." >&5
+echo "$as_me: error: $IPPSAMP_LIBS doesn't exist in $IPPSAMP_DIR
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
         fi
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $IPPSAMP_DIR" >&5
-$as_echo "$IPPSAMP_DIR" >&6; }
+        { echo "$as_me:$LINENO: result: $IPPSAMP_DIR" >&5
+echo "${ECHO_T}$IPPSAMP_DIR" >&6; }
 
         SAVED_CFLAGS="$CFLAGS"
@@ -6524 +12598 @@
         LIBS="$IPPSAMP_LDLIBS $LIBS"
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking Intel IPP USC usability" >&5
-$as_echo_n "checking Intel IPP USC usability... " >&6; }
-        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+        { echo "$as_me:$LINENO: checking Intel IPP USC usability" >&5
+echo $ECHO_N "checking Intel IPP USC usability... $ECHO_C" >&6; }
+        cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #include <usc.h>
@@ -6538 +12616 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-$as_echo "ok" >&6; }
-else
-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "failed
-See \`config.log' for more details." "$LINENO" 5; }
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  { echo "$as_me:$LINENO: result: ok" >&5
+echo "${ECHO_T}ok" >&6; }
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        { { echo "$as_me:$LINENO: error: failed
+See \`config.log' for more details." >&5
+echo "$as_me: error: failed
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 
         CFLAGS="$SAVED_CFLAGS"
@@ -6568 +12668 @@
 export IPP_LIBS=$IPP_LIBS"
 else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: Skipping Intel IPP settings (not wanted)" >&5
-$as_echo "Skipping Intel IPP settings (not wanted)" >&6; }
+    { echo "$as_me:$LINENO: result: Skipping Intel IPP settings (not wanted)" >&5
+echo "${ECHO_T}Skipping Intel IPP settings (not wanted)" >&6; }
 fi
 
@@ -6576 +12676 @@
 
 # Check whether --enable-ssl was given.
-if test "${enable_ssl+set}" = set; then :
+if test "${enable_ssl+set}" = set; then
   enableval=$enable_ssl;
                 if test "$enable_ssl" = "no"; then
                  ac_no_ssl=1
-                 { $as_echo "$as_me:${as_lineno-$LINENO}: result: Checking if SSL support is disabled... yes" >&5
-$as_echo "Checking if SSL support is disabled... yes" >&6; }
+                 { echo "$as_me:$LINENO: result: Checking if SSL support is disabled... yes" >&5
+echo "${ECHO_T}Checking if SSL support is disabled... yes" >&6; }
                 fi
 
 else
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: result: checking for OpenSSL installations.." >&5
-$as_echo "checking for OpenSSL installations.." >&6; }
-
-
-
-                ac_fn_c_check_header_mongrel "$LINENO" "openssl/ssl.h" "ac_cv_header_openssl_ssl_h" "$ac_includes_default"
-if test "x$ac_cv_header_openssl_ssl_h" = x""yes; then :
+                { echo "$as_me:$LINENO: result: checking for OpenSSL installations.." >&5
+echo "${ECHO_T}checking for OpenSSL installations.." >&6; }
+
+
+
+                if test "${ac_cv_header_openssl_ssl_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for openssl/ssl.h" >&5
+echo $ECHO_N "checking for openssl/ssl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_openssl_ssl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_openssl_ssl_h" >&5
+echo "${ECHO_T}$ac_cv_header_openssl_ssl_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking openssl/ssl.h usability" >&5
+echo $ECHO_N "checking openssl/ssl.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <openssl/ssl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking openssl/ssl.h presence" >&5
+echo $ECHO_N "checking openssl/ssl.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <openssl/ssl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+         test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: openssl/ssl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: openssl/ssl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: openssl/ssl.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: openssl/ssl.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: openssl/ssl.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: openssl/ssl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: openssl/ssl.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: openssl/ssl.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: openssl/ssl.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for openssl/ssl.h" >&5
+echo $ECHO_N "checking for openssl/ssl.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_openssl_ssl_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_openssl_ssl_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_openssl_ssl_h" >&5
+echo "${ECHO_T}$ac_cv_header_openssl_ssl_h" >&6; }
+
+fi
+if test $ac_cv_header_openssl_ssl_h = yes; then
   openssl_h_present=1
 fi
 
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ERR_load_BIO_strings in -lcrypto" >&5
-$as_echo_n "checking for ERR_load_BIO_strings in -lcrypto... " >&6; }
-if test "${ac_cv_lib_crypto_ERR_load_BIO_strings+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for ERR_load_BIO_strings in -lcrypto" >&5
+echo $ECHO_N "checking for ERR_load_BIO_strings in -lcrypto... $ECHO_C" >&6; }
+if test "${ac_cv_lib_crypto_ERR_load_BIO_strings+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lcrypto  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6622 +12850 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_crypto_ERR_load_BIO_strings=yes
 else
-  ac_cv_lib_crypto_ERR_load_BIO_strings=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_crypto_ERR_load_BIO_strings=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_ERR_load_BIO_strings" >&5
-$as_echo "$ac_cv_lib_crypto_ERR_load_BIO_strings" >&6; }
-if test "x$ac_cv_lib_crypto_ERR_load_BIO_strings" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_crypto_ERR_load_BIO_strings" >&5
+echo "${ECHO_T}$ac_cv_lib_crypto_ERR_load_BIO_strings" >&6; }
+if test $ac_cv_lib_crypto_ERR_load_BIO_strings = yes; then
   libcrypto_present=1 && LIBS="$LIBS -lcrypto"
 fi
 
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SSL_library_init in -lssl" >&5
-$as_echo_n "checking for SSL_library_init in -lssl... " >&6; }
-if test "${ac_cv_lib_ssl_SSL_library_init+set}" = set; then :
-  $as_echo_n "(cached) " >&6
+                { echo "$as_me:$LINENO: checking for SSL_library_init in -lssl" >&5
+echo $ECHO_N "checking for SSL_library_init in -lssl... $ECHO_C" >&6; }
+if test "${ac_cv_lib_ssl_SSL_library_init+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lssl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
@@ -6662 +12915 @@
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+         test -z "$ac_c_werror_flag" ||
+         test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
   ac_cv_lib_ssl_SSL_library_init=yes
 else
-  ac_cv_lib_ssl_SSL_library_init=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+        ac_cv_lib_ssl_SSL_library_init=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ssl_SSL_library_init" >&5
-$as_echo "$ac_cv_lib_ssl_SSL_library_init" >&6; }
-if test "x$ac_cv_lib_ssl_SSL_library_init" = x""yes; then :
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_ssl_SSL_library_init" >&5
+echo "${ECHO_T}$ac_cv_lib_ssl_SSL_library_init" >&6; }
+if test $ac_cv_lib_ssl_SSL_library_init = yes; then
   libssl_present=1 && LIBS="$LIBS -lssl"
 fi
 
                 if test "x$openssl_h_present" = "x1" -a "x$libssl_present" = "x1" -a "x$libcrypto_present" = "x1"; then
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: result: OpenSSL library found, SSL support enabled" >&5
-$as_echo "OpenSSL library found, SSL support enabled" >&6; }
+                        { echo "$as_me:$LINENO: result: OpenSSL library found, SSL support enabled" >&5
+echo "${ECHO_T}OpenSSL library found, SSL support enabled" >&6; }
                         # PJSIP_HAS_TLS_TRANSPORT setting follows PJ_HAS_SSL_SOCK
                         #AC_DEFINE(PJSIP_HAS_TLS_TRANSPORT, 1)
-                        $as_echo "#define PJ_HAS_SSL_SOCK 1" >>confdefs.h
+                        cat >>confdefs.h <<\_ACEOF
+#define PJ_HAS_SSL_SOCK 1
+_ACEOF
 
                 else
-                        { $as_echo "$as_me:${as_lineno-$LINENO}: result: ** OpenSSL libraries not found, disabling SSL support **" >&5
-$as_echo "** OpenSSL libraries not found, disabling SSL support **" >&6; }
+                        { echo "$as_me:$LINENO: result: ** OpenSSL libraries not found, disabling SSL support **" >&5
+echo "${ECHO_T}** OpenSSL libraries not found, disabling SSL support **" >&6; }
                 fi
 
@@ -6695 +12971 @@
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if select() needs correct nfds" >&5
-$as_echo_n "checking if select() needs correct nfds... " >&6; }
+{ echo "$as_me:$LINENO: checking if select() needs correct nfds" >&5
+echo $ECHO_N "checking if select() needs correct nfds... $ECHO_C" >&6; }
 case $target in
-  *rtems*) $as_echo "#define PJ_SELECT_NEEDS_NFDS 1" >>confdefs.h
-
-           { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  *rtems*) cat >>confdefs.h <<\_ACEOF
+#define PJ_SELECT_NEEDS_NFDS 1
+_ACEOF
+
+           { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
         ;;
-  *) $as_echo "#define PJ_SELECT_NEEDS_NFDS 0" >>confdefs.h
-
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (default)" >&5
-$as_echo "no (default)" >&6; }
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: ** Decided that select() doesn't need correct nfds (please check)" >&5
-$as_echo "** Decided that select() doesn't need correct nfds (please check)" >&6; }
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_SELECT_NEEDS_NFDS 0
+_ACEOF
+
+     { echo "$as_me:$LINENO: result: no (default)" >&5
+echo "${ECHO_T}no (default)" >&6; }
+     { echo "$as_me:$LINENO: result: ** Decided that select() doesn't need correct nfds (please check)" >&5
+echo "${ECHO_T}** Decided that select() doesn't need correct nfds (please check)" >&6; }
         ;;
 esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pj_thread_create() should enforce stack size" >&5
-$as_echo_n "checking if pj_thread_create() should enforce stack size... " >&6; }
+{ echo "$as_me:$LINENO: checking if pj_thread_create() should enforce stack size" >&5
+echo $ECHO_N "checking if pj_thread_create() should enforce stack size... $ECHO_C" >&6; }
 case $target in
-  *rtems*) $as_echo "#define PJ_THREAD_SET_STACK_SIZE 1" >>confdefs.h
-
-           { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  *rtems*) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_SET_STACK_SIZE 1
+_ACEOF
+
+           { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
         ;;
-  *) $as_echo "#define PJ_THREAD_SET_STACK_SIZE 0" >>confdefs.h
-
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (default)" >&5
-$as_echo "no (default)" >&6; }
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_SET_STACK_SIZE 0
+_ACEOF
+
+     { echo "$as_me:$LINENO: result: no (default)" >&5
+echo "${ECHO_T}no (default)" >&6; }
         ;;
 esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if pj_thread_create() should allocate stack" >&5
-$as_echo_n "checking if pj_thread_create() should allocate stack... " >&6; }
+{ echo "$as_me:$LINENO: checking if pj_thread_create() should allocate stack" >&5
+echo $ECHO_N "checking if pj_thread_create() should allocate stack... $ECHO_C" >&6; }
 case $target in
-  *rtems*) $as_echo "#define PJ_THREAD_ALLOCATE_STACK 1" >>confdefs.h
-
-           { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  *rtems*) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_ALLOCATE_STACK 1
+_ACEOF
+
+           { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
         ;;
-  *) $as_echo "#define PJ_THREAD_ALLOCATE_STACK 0" >>confdefs.h
-
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no (default)" >&5
-$as_echo "no (default)" >&6; }
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_THREAD_ALLOCATE_STACK 0
+_ACEOF
+
+     { echo "$as_me:$LINENO: result: no (default)" >&5
+echo "${ECHO_T}no (default)" >&6; }
         ;;
 esac
@@ -6744 +13032 @@
 case $target in
   *mingw* | *cygw* | *win32* | *w32* )
-        $as_echo "#define PJ_BLOCKING_ERROR_VAL WSAEWOULDBLOCK" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_ERROR_VAL WSAEWOULDBLOCK
+_ACEOF
 
         ;;
-  *) $as_echo "#define PJ_BLOCKING_ERROR_VAL EAGAIN" >>confdefs.h
-
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: ** Setting non-blocking recv() retval to EAGAIN (please check)" >&5
-$as_echo "** Setting non-blocking recv() retval to EAGAIN (please check)" >&6; }
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_ERROR_VAL EAGAIN
+_ACEOF
+
+     { echo "$as_me:$LINENO: result: ** Setting non-blocking recv() retval to EAGAIN (please check)" >&5
+echo "${ECHO_T}** Setting non-blocking recv() retval to EAGAIN (please check)" >&6; }
         ;;
 esac
@@ -6756 +13048 @@
 case $target in
   *mingw* | *cygw* | *win32* | *w32* )
-        $as_echo "#define PJ_BLOCKING_CONNECT_ERROR_VAL WSAEWOULDBLOCK" >>confdefs.h
+        cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_CONNECT_ERROR_VAL WSAEWOULDBLOCK
+_ACEOF
 
         ;;
-  *) $as_echo "#define PJ_BLOCKING_CONNECT_ERROR_VAL EINPROGRESS" >>confdefs.h
-
-     { $as_echo "$as_me:${as_lineno-$LINENO}: result: ** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&5
-$as_echo "** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&6; }
+  *) cat >>confdefs.h <<\_ACEOF
+#define PJ_BLOCKING_CONNECT_ERROR_VAL EINPROGRESS
+_ACEOF
+
+     { echo "$as_me:$LINENO: result: ** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&5
+echo "${ECHO_T}** Setting non-blocking connect() retval to EINPROGRESS (please check)" >&6; }
         ;;
 esac
@@ -6817 +13113 @@
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
+echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
+      *) $as_unset $ac_var ;;
       esac ;;
     esac
@@ -6831 +13126 @@
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes: double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \.
+      # `set' does not quote correctly, so add quotes (double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \).
       sed -n \
         "s/'/'\\\\''/g;
@@ -6855 +13150 @@
   if test -w "$cache_file"; then
     test "x$cache_file" != "x/dev/null" &&
-      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-$as_echo "$as_me: updating cache $cache_file" >&6;}
+      { echo "$as_me:$LINENO: updating cache $cache_file" >&5
+echo "$as_me: updating cache $cache_file" >&6;}
     cat confcache >$cache_file
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
@@ -6876 +13171 @@
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+  ac_i=`echo "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
-  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
@@ -6888 +13183 @@
 
 
-
 : ${CONFIG_STATUS=./config.status}
-ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
-as_write_fail=0
-cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF
 #! $SHELL
 # Generated by $as_me.
@@ -6906 +13198 @@
 ac_cs_recheck=false
 ac_cs_silent=false
-
 SHELL=\${CONFIG_SHELL-$SHELL}
-export SHELL
-_ASEOF
-cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+## --------------------- ##
+## M4sh Initialization.  ##
+## --------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
-esac
-fi
-
-
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-# Prefer a ksh shell builtin over an external printf program on Solaris,
-# but without wasting forks for bash or zsh.
-if test -z "$BASH_VERSION$ZSH_VERSION" \
-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='print -r --'
-  as_echo_n='print -rn --'
-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in #(
-      *"$as_nl"*)
-        expr "X$arg" : "X\\(.*\\)$as_nl";
-        arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
+  case `(set -o) 2>/dev/null` in
+  *posix*) set -o posix ;;
+esac
+
+fi
+
+
+
+
+# PATH needs CR
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
+fi
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
 fi
 
@@ -6987 +13259 @@
 # (If _AS_PATH_WALK were called with IFS unset, it would disable word
 # splitting by setting IFS to empty value.)
+as_nl='
+'
 IFS=" ""        $as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in #((
+case $0 in
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6997 +13271 @@
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-  done
+  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
 IFS=$as_save_IFS
 
@@ -7009 +13283 @@
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
-fi
-
-# Unset variables that we do not need and which cause bugs (e.g. in
-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
-# suppresses any "Segmentation fault" message there.  '((' could
-# trigger a bug in pdksh 5.2.14.
-for as_var in BASH_ENV ENV MAIL MAILPATH
-do eval test x\${$as_var+set} = xset \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  { (exit 1); exit 1; }
+fi
+
+# Work around bugs in pre-3.0 UWIN ksh.
+for as_var in ENV MAIL MAILPATH
+do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
 done
 PS1='$ '
@@ -7026 +13296 @@
 
 # NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# CDPATH.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-
-# as_fn_error ERROR [LINENO LOG_FD]
-# ---------------------------------
-# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
-# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with status $?, using 1 if that was 0.
-as_fn_error ()
-{
-  as_status=$?; test $as_status -eq 0 && as_status=1
-  if test "$3"; then
-    as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3
+for as_var in \
+  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+  LC_TELEPHONE LC_TIME
+do
+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+    eval $as_var=C; export $as_var
+  else
+    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
   fi
-  $as_echo "$as_me: error: $1" >&2
-  as_fn_exit $as_status
-} # as_fn_error
-
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
-}
-as_unset=as_fn_unset
-# as_fn_append VAR VALUE
-# ----------------------
-# Append the text in VALUE to the end of the definition contained in VAR. Take
-# advantage of any shell optimizations that allow amortized linear growth over
-# repeated appends, instead of the typical quadratic growth present in naive
-# implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
-  eval 'as_fn_append ()
-  {
-    eval $1+=\$2
-  }'
-else
-  as_fn_append ()
-  {
-    eval $1=\$$1\$2
-  }
-fi # as_fn_append
-
-# as_fn_arith ARG...
-# ------------------
-# Perform arithmetic evaluation on the ARGs, and store the result in the
-# global $as_val. Take advantage of shells that can avoid forks. The arguments
-# must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
-else
-  as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  }
-fi # as_fn_arith
-
-
+done
+
+# Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
@@ -7127 +13322 @@
 fi
 
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
+
+# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
          X"$0" : 'X\(//\)$' \| \
          X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
             s//\1/
@@ -7152 +13343 @@
           s/.*/./; q'`
 
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
+# CDPATH.
+$as_unset CDPATH
+
+
+
+  as_lineno_1=$LINENO
+  as_lineno_2=$LINENO
+  test "x$as_lineno_1" != "x$as_lineno_2" &&
+  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
+
+  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+  # uniformly replaced by the line number.  The first 'sed' inserts a
+  # line-number line after each line using $LINENO; the second 'sed'
+  # does the real work.  The second script uses 'N' to pair each
+  # line-number line with the line containing $LINENO, and appends
+  # trailing '-' during substitution so that $LINENO is not a special
+  # case at line end.
+  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+  # scripts with optimization help from Paolo Bonzini.  Blame Lee
+  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+   { (exit 1); exit 1; }; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
+case `echo -n x` in
 -n*)
-  case `echo 'xy\c'` in
+  case `echo 'x\c'` in
   *c*) ECHO_T=' ';;     # ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T=' ';;
+  *)   ECHO_C='\c';;
   esac;;
 *)
@@ -7172 +13408 @@
 esac
 
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
@@ -7177 +13420 @@
 else
   rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
+  mkdir conf$$.dir
+fi
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s='ln -s'
+  # ... but there are two gotchas:
+  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+  # In both cases, we have to default to `cp -p'.
+  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
     as_ln_s='cp -p'
-  fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
 else
   as_ln_s='cp -p'
@@ -7199 +13439 @@
 rmdir conf$$.dir 2>/dev/null
 
-
-# as_fn_mkdir_p
-# -------------
-# Create "$as_dir" as a directory, including parents if necessary.
-as_fn_mkdir_p ()
+if mkdir -p . 2>/dev/null; then
+  as_mkdir_p=:
+else
+  test -d ./-p && rmdir ./-p
+  as_mkdir_p=false
+fi
+
+if test -x / >/dev/null 2>&1; then
+  as_test_x='test -x'
+else
+  if ls -dL / >/dev/null 2>&1; then
+    as_ls_L_option=L
+  else
+    as_ls_L_option=
+  fi
+  as_test_x='
+    eval sh -c '\''
+      if test -d "$1"; then
+        test -d "$1/.";
+      else
+        case $1 in
+        -*)set "./$1";;
+        esac;
+        case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+        ???[sx]*):;;*)false;;esac;fi
+    '\'' sh
+  '
+fi
+as_executable_p=$as_test_x
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+
+# Save the log message, to keep $[0] and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by pjproject $as_me 1.x, which was
+generated by GNU Autoconf 2.61.  Invocation command line was
+
+  CONFIG_FILES    = $CONFIG_FILES
+  CONFIG_HEADERS  = $CONFIG_HEADERS
+  CONFIG_LINKS    = $CONFIG_LINKS
+  CONFIG_COMMANDS = $CONFIG_COMMANDS
+  $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<_ACEOF
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+ac_cs_usage="\
+\`$as_me' instantiates files from templates according to the
+current configuration.
+
+Usage: $0 [OPTIONS] [FILE]...
+
+  -h, --help       print this help, then exit
+  -V, --version    print version number and configuration settings, then exit
+  -q, --quiet      do not print progress messages
+  -d, --debug      don't remove temporary files
+      --recheck    update $as_me by reconfiguring in the same conditions
+  --file=FILE[:TEMPLATE]
+                   instantiate the configuration file FILE
+  --header=FILE[:TEMPLATE]
+                   instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Report bugs to <bug-autoconf@gnu.org>."
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+ac_cs_version="\\
+pjproject config.status 1.x
+configured by $0, generated by GNU Autoconf 2.61,
+  with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+
+Copyright (C) 2006 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+# If no file are specified by the user, then we need to provide default
+# value.  By we need to know if files were specified by the user.
+ac_need_defaults=:
+while test $# != 0
+do
+  case $1 in
+  --*=*)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+    ac_shift=:
+    ;;
+  *)
+    ac_option=$1
+    ac_optarg=$2
+    ac_shift=shift
+    ;;
+  esac
+
+  case $ac_option in
+  # Handling of the options.
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    ac_cs_recheck=: ;;
+  --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+    echo "$ac_cs_version"; exit ;;
+  --debug | --debu | --deb | --de | --d | -d )
+    debug=: ;;
+  --file | --fil | --fi | --f )
+    $ac_shift
+    CONFIG_FILES="$CONFIG_FILES $ac_optarg"
+    ac_need_defaults=false;;
+  --header | --heade | --head | --hea )
+    $ac_shift
+    CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
+    ac_need_defaults=false;;
+  --he | --h)
+    # Conflict between --help and --header
+    { echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; };;
+  --help | --hel | -h )
+    echo "$ac_cs_usage"; exit ;;
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil | --si | --s)
+    ac_cs_silent=: ;;
+
+  # This is an error.
+  -*) { echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2
+   { (exit 1); exit 1; }; } ;;
+
+  *) ac_config_targets="$ac_config_targets $1"
+     ac_need_defaults=false ;;
+
+  esac
+  shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+  exec 6>/dev/null
+  ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+if \$ac_cs_recheck; then
+  echo "running CONFIG_SHELL=$SHELL $SHELL $0 "$ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
+  CONFIG_SHELL=$SHELL
+  export CONFIG_SHELL
+  exec $SHELL "$0"$ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
+exec 5>>config.log
 {
-
+  echo
+  sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+  echo "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+  case $ac_config_target in
+    "pjlib/include/pj/compat/os_auto.h") CONFIG_HEADERS="$CONFIG_HEADERS pjlib/include/pj/compat/os_auto.h" ;;
+    "pjlib/include/pj/compat/m_auto.h") CONFIG_HEADERS="$CONFIG_HEADERS pjlib/include/pj/compat/m_auto.h" ;;
+    "pjmedia/include/pjmedia/config_auto.h") CONFIG_HEADERS="$CONFIG_HEADERS pjmedia/include/pjmedia/config_auto.h" ;;
+    "pjmedia/include/pjmedia-codec/config_auto.h") CONFIG_HEADERS="$CONFIG_HEADERS pjmedia/include/pjmedia-codec/config_auto.h" ;;
+    "pjsip/include/pjsip/sip_autoconf.h") CONFIG_HEADERS="$CONFIG_HEADERS pjsip/include/pjsip/sip_autoconf.h" ;;
+    "build.mak") CONFIG_FILES="$CONFIG_FILES build.mak" ;;
+    "build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES build/os-auto.mak" ;;
+    "build/cc-auto.mak") CONFIG_FILES="$CONFIG_FILES build/cc-auto.mak" ;;
+    "pjlib/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES pjlib/build/os-auto.mak" ;;
+    "pjlib-util/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES pjlib-util/build/os-auto.mak" ;;
+    "pjmedia/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES pjmedia/build/os-auto.mak" ;;
+    "pjsip/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES pjsip/build/os-auto.mak" ;;
+    "third_party/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES third_party/build/os-auto.mak" ;;
+    "third_party/build/portaudio/os-auto.mak") CONFIG_FILES="$CONFIG_FILES third_party/build/portaudio/os-auto.mak" ;;
+
+  *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+   { (exit 1); exit 1; }; };;
+  esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used.  Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+fi
+
+# Have a temporary directory for convenience.  Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+  tmp=
+  trap 'exit_status=$?
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+' 0
+  trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+  test -n "$tmp" && test -d "$tmp"
+}  ||
+{
+  tmp=./conf$$-$RANDOM
+  (umask 077 && mkdir "$tmp")
+} ||
+{
+   echo "$me: cannot create a temporary directory in ." >&2
+   { (exit 1); exit 1; }
+}
+
+#
+# Set up the sed scripts for CONFIG_FILES section.
+#
+
+# No need to generate the scripts if there are no CONFIG_FILES.
+# This happens for instance when ./config.status config.h
+if test -n "$CONFIG_FILES"; then
+
+_ACEOF
+
+
+
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  cat >conf$$subs.sed <<_ACEOF
+SHELL!$SHELL$ac_delim
+PATH_SEPARATOR!$PATH_SEPARATOR$ac_delim
+PACKAGE_NAME!$PACKAGE_NAME$ac_delim
+PACKAGE_TARNAME!$PACKAGE_TARNAME$ac_delim
+PACKAGE_VERSION!$PACKAGE_VERSION$ac_delim
+PACKAGE_STRING!$PACKAGE_STRING$ac_delim
+PACKAGE_BUGREPORT!$PACKAGE_BUGREPORT$ac_delim
+exec_prefix!$exec_prefix$ac_delim
+prefix!$prefix$ac_delim
+program_transform_name!$program_transform_name$ac_delim
+bindir!$bindir$ac_delim
+sbindir!$sbindir$ac_delim
+libexecdir!$libexecdir$ac_delim
+datarootdir!$datarootdir$ac_delim
+datadir!$datadir$ac_delim
+sysconfdir!$sysconfdir$ac_delim
+sharedstatedir!$sharedstatedir$ac_delim
+localstatedir!$localstatedir$ac_delim
+includedir!$includedir$ac_delim
+oldincludedir!$oldincludedir$ac_delim
+docdir!$docdir$ac_delim
+infodir!$infodir$ac_delim
+htmldir!$htmldir$ac_delim
+dvidir!$dvidir$ac_delim
+pdfdir!$pdfdir$ac_delim
+psdir!$psdir$ac_delim
+libdir!$libdir$ac_delim
+localedir!$localedir$ac_delim
+mandir!$mandir$ac_delim
+DEFS!$DEFS$ac_delim
+ECHO_C!$ECHO_C$ac_delim
+ECHO_N!$ECHO_N$ac_delim
+ECHO_T!$ECHO_T$ac_delim
+LIBS!$LIBS$ac_delim
+build_alias!$build_alias$ac_delim
+host_alias!$host_alias$ac_delim
+target_alias!$target_alias$ac_delim
+build!$build$ac_delim
+build_cpu!$build_cpu$ac_delim
+build_vendor!$build_vendor$ac_delim
+build_os!$build_os$ac_delim
+host!$host$ac_delim
+host_cpu!$host_cpu$ac_delim
+host_vendor!$host_vendor$ac_delim
+host_os!$host_os$ac_delim
+target!$target$ac_delim
+target_cpu!$target_cpu$ac_delim
+target_vendor!$target_vendor$ac_delim
+target_os!$target_os$ac_delim
+CC!$CC$ac_delim
+CFLAGS!$CFLAGS$ac_delim
+LDFLAGS!$LDFLAGS$ac_delim
+CPPFLAGS!$CPPFLAGS$ac_delim
+ac_ct_CC!$ac_ct_CC$ac_delim
+EXEEXT!$EXEEXT$ac_delim
+OBJEXT!$OBJEXT$ac_delim
+CXX!$CXX$ac_delim
+CXXFLAGS!$CXXFLAGS$ac_delim
+ac_ct_CXX!$ac_ct_CXX$ac_delim
+AR!$AR$ac_delim
+LD!$LD$ac_delim
+LDOUT!$LDOUT$ac_delim
+RANLIB!$RANLIB$ac_delim
+LIBEXT!$LIBEXT$ac_delim
+LIBEXT2!$LIBEXT2$ac_delim
+CC_OUT!$CC_OUT$ac_delim
+CC_INC!$CC_INC$ac_delim
+CC_DEF!$CC_DEF$ac_delim
+CC_OPTIMIZE!$CC_OPTIMIZE$ac_delim
+CC_CFLAGS!$CC_CFLAGS$ac_delim
+ac_pjdir!$ac_pjdir$ac_delim
+ac_build_mak_vars!$ac_build_mak_vars$ac_delim
+CPP!$CPP$ac_delim
+GREP!$GREP$ac_delim
+EGREP!$EGREP$ac_delim
+ac_os_objs!$ac_os_objs$ac_delim
+ac_external_speex!$ac_external_speex$ac_delim
+ac_external_gsm!$ac_external_gsm$ac_delim
+ac_pjmedia_snd!$ac_pjmedia_snd$ac_delim
+ac_external_pa!$ac_external_pa$ac_delim
+ac_pa_cflags!$ac_pa_cflags$ac_delim
+ac_pa_use_alsa!$ac_pa_use_alsa$ac_delim
+ac_pa_use_oss!$ac_pa_use_oss$ac_delim
+ac_pjmedia_video!$ac_pjmedia_video$ac_delim
+ac_ios_cflags!$ac_ios_cflags$ac_delim
+ac_pjmedia_video_has_qt!$ac_pjmedia_video_has_qt$ac_delim
+ac_qt_cflags!$ac_qt_cflags$ac_delim
+ac_no_small_filter!$ac_no_small_filter$ac_delim
+ac_no_large_filter!$ac_no_large_filter$ac_delim
+ac_no_speex_aec!$ac_no_speex_aec$ac_delim
+ac_no_g711_codec!$ac_no_g711_codec$ac_delim
+ac_no_l16_codec!$ac_no_l16_codec$ac_delim
+ac_no_gsm_codec!$ac_no_gsm_codec$ac_delim
+ac_no_g722_codec!$ac_no_g722_codec$ac_delim
+ac_no_g7221_codec!$ac_no_g7221_codec$ac_delim
+ac_no_speex_codec!$ac_no_speex_codec$ac_delim
+ac_no_ilbc_codec!$ac_no_ilbc_codec$ac_delim
+_ACEOF
+
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
+    break
+  elif $ac_last_try; then
+    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
+if test -n "$ac_eof"; then
+  ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
+  ac_eof=`expr $ac_eof + 1`
+fi
+
+cat >>$CONFIG_STATUS <<_ACEOF
+cat >"\$tmp/subs-1.sed" <<\CEOF$ac_eof
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+_ACEOF
+sed '
+s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
+s/^/s,@/; s/!/@,|#_!!_#|/
+:n
+t n
+s/'"$ac_delim"'$/,g/; t
+s/$/\\/; p
+N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
+' >>$CONFIG_STATUS <conf$$subs.sed
+rm -f conf$$subs.sed
+cat >>$CONFIG_STATUS <<_ACEOF
+CEOF$ac_eof
+_ACEOF
+
+
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+  cat >conf$$subs.sed <<_ACEOF
+ac_sdl_cflags!$ac_sdl_cflags$ac_delim
+ac_sdl_ldflags!$ac_sdl_ldflags$ac_delim
+ac_has_ffmpeg!$ac_has_ffmpeg$ac_delim
+ac_ffmpeg_cflags!$ac_ffmpeg_cflags$ac_delim
+ac_ffmpeg_ldflags!$ac_ffmpeg_ldflags$ac_delim
+ac_v4l2_cflags!$ac_v4l2_cflags$ac_delim
+ac_v4l2_ldflags!$ac_v4l2_ldflags$ac_delim
+ac_no_ssl!$ac_no_ssl$ac_delim
+openssl_h_present!$openssl_h_present$ac_delim
+libssl_present!$libssl_present$ac_delim
+libcrypto_present!$libcrypto_present$ac_delim
+ac_cross_compile!$ac_cross_compile$ac_delim
+ac_linux_poll!$ac_linux_poll$ac_delim
+ac_host!$ac_host$ac_delim
+ac_main_obj!$ac_main_obj$ac_delim
+LIBOBJS!$LIBOBJS$ac_delim
+LTLIBOBJS!$LTLIBOBJS$ac_delim
+_ACEOF
+
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 17; then
+    break
+  elif $ac_last_try; then
+    { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
+echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
+   { (exit 1); exit 1; }; }
+  else
+    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+  fi
+done
+
+ac_eof=`sed -n '/^CEOF[0-9]*$/s/CEOF/0/p' conf$$subs.sed`
+if test -n "$ac_eof"; then
+  ac_eof=`echo "$ac_eof" | sort -nru | sed 1q`
+  ac_eof=`expr $ac_eof + 1`
+fi
+
+cat >>$CONFIG_STATUS <<_ACEOF
+cat >"\$tmp/subs-2.sed" <<\CEOF$ac_eof
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b end
+_ACEOF
+sed '
+s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g
+s/^/s,@/; s/!/@,|#_!!_#|/
+:n
+t n
+s/'"$ac_delim"'$/,g/; t
+s/$/\\/; p
+N; s/^.*\n//; s/[,\\&]/\\&/g; s/@/@|#_!!_#|/g; b n
+' >>$CONFIG_STATUS <conf$$subs.sed
+rm -f conf$$subs.sed
+cat >>$CONFIG_STATUS <<_ACEOF
+:end
+s/|#_!!_#|//g
+CEOF$ac_eof
+_ACEOF
+
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[  ]*VPATH[        ]*=/{
+s/:*\$(srcdir):*/:/
+s/:*\${srcdir}:*/:/
+s/:*@srcdir@:*/:/
+s/^\([^=]*=[     ]*\):*/\1/
+s/:*$//
+s/^[^=]*=[       ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+fi # test -n "$CONFIG_FILES"
+
+
+for ac_tag in  :F $CONFIG_FILES  :H $CONFIG_HEADERS
+do
+  case $ac_tag in
+  :[FHLC]) ac_mode=$ac_tag; continue;;
+  esac
+  case $ac_mode$ac_tag in
+  :[FHL]*:*);;
+  :L* | :C*:*) { { echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
+echo "$as_me: error: Invalid tag $ac_tag." >&2;}
+   { (exit 1); exit 1; }; };;
+  :[FH]-) ac_tag=-:-;;
+  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+  esac
+  ac_save_IFS=$IFS
+  IFS=:
+  set x $ac_tag
+  IFS=$ac_save_IFS
+  shift
+  ac_file=$1
+  shift
+
+  case $ac_mode in
+  :L) ac_source=$1;;
+  :[FH])
+    ac_file_inputs=
+    for ac_f
+    do
+      case $ac_f in
+      -) ac_f="$tmp/stdin";;
+      *) # Look for the file first in the build tree, then in the source tree
+         # (if the path is not absolute).  The absolute path cannot be DOS-style,
+         # because $ac_f cannot contain `:'.
+         test -f "$ac_f" ||
+           case $ac_f in
+           [\\/$]*) false;;
+           *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+           esac ||
+           { { echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
+echo "$as_me: error: cannot find input file: $ac_f" >&2;}
+   { (exit 1); exit 1; }; };;
+      esac
+      ac_file_inputs="$ac_file_inputs $ac_f"
+    done
+
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # use $as_me), people would be surprised to read:
+    #    /* config.h.  Generated by config.status.  */
+    configure_input="Generated from "`IFS=:
+          echo $* | sed 's|^[^:]*/||;s|:[^:]*/|, |g'`" by configure."
+    if test x"$ac_file" != x-; then
+      configure_input="$ac_file.  $configure_input"
+      { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+    fi
+
+    case $ac_tag in
+    *:-:* | *:-) cat >"$tmp/stdin";;
+    esac
+    ;;
+  esac
+
+  ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+         X"$ac_file" : 'X\(//\)[^/]' \| \
+         X"$ac_file" : 'X\(//\)$' \| \
+         X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+echo X"$ac_file" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+            s//\1/
+            q
+          }
+          /^X\(\/\/\)[^/].*/{
+            s//\1/
+            q
+          }
+          /^X\(\/\/\)$/{
+            s//\1/
+            q
+          }
+          /^X\(\/\).*/{
+            s//\1/
+            q
+          }
+          s/.*/./; q'`
+  { as_dir="$ac_dir"
   case $as_dir in #(
   -*) as_dir=./$as_dir;;
   esac
-  test -d "$as_dir" || eval $as_mkdir_p || {
+  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #(
       *) as_qdir=$as_dir;;
       esac
@@ -7222 +14028 @@
          X"$as_dir" : 'X\(//\)$' \| \
          X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
+echo X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
             s//\1/
@@ -7243 +14049 @@
     done
     test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir"
-
-
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-  as_mkdir_p=false
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-
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-  if ls -dL / >/dev/null 2>&1; then
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-    as_ls_L_option=
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-  as_test_x='
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-        case $1 in #(
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-# Sed expression to map a string onto a valid CPP name.
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-
-# Sed expression to map a string onto a valid variable name.
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-
-
-exec 6>&1
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-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-ac_cs_usage="\
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-Configuration files:
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-  # This is an error.
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-  *) as_fn_append ac_config_targets " $1"
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-ac_configure_extra_args=
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-done
-
-# For the awk script, D is an array of macro values keyed by name,
-# likewise P contains macro parameters if any.  Preserve backslash
-# newline sequences.
-
-ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
-sed -n '
-s/.\{148\}/&'"$ac_delim"'/g
-t rset
-:rset
-s/^[     ]*#[    ]*define[       ][      ]*/ /
-t def
-d
-:def
-s/\\$//
-t bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[     ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3"/p
-s/^ \('"$ac_word_re"'\)[         ]*\(.*\)/D["\1"]=" \2"/p
-d
-:bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[     ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3\\\\\\n"\\/p
-t cont
-s/^ \('"$ac_word_re"'\)[         ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
-t cont
-d
-:cont
-n
-s/.\{148\}/&'"$ac_delim"'/g
-t clear
-:clear
-s/\\$//
-t bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/"/p
-d
-:bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
-b cont
-' <confdefs.h | sed '
-s/'"$ac_delim"'/"\\\
-"/g' >>$CONFIG_STATUS || ac_write_fail=1
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-  for (key in D) D_is_set[key] = 1
-  FS = ""
-}
-/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
-  line = \$ 0
-  split(line, arg, " ")
-  if (arg[1] == "#") {
-    defundef = arg[2]
-    mac1 = arg[3]
-  } else {
-    defundef = substr(arg[1], 2)
-    mac1 = arg[2]
-  }
-  split(mac1, mac2, "(") #)
-  macro = mac2[1]
-  prefix = substr(line, 1, index(line, defundef) - 1)
-  if (D_is_set[macro]) {
-    # Preserve the white space surrounding the "#".
-    print prefix "define", macro P[macro] D[macro]
-    next
-  } else {
-    # Replace #undef with comments.  This is necessary, for example,
-    # in the case of _POSIX_SOURCE, which is predefined and required
-    # on some systems where configure will not decide to define it.
-    if (defundef == "undef") {
-      print "/*", prefix defundef, macro, "*/"
-      next
-    }
-  }
-}
-{ print }
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error "could not setup config headers machinery" "$LINENO" 5
-fi # test -n "$CONFIG_HEADERS"
-
-
-eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    "
-shift
-for ac_tag
-do
-  case $ac_tag in
-  :[FHLC]) ac_mode=$ac_tag; continue;;
-  esac
-  case $ac_mode$ac_tag in
-  :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error "invalid tag \`$ac_tag'" "$LINENO" 5;;
-  :[FH]-) ac_tag=-:-;;
-  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
-  esac
-  ac_save_IFS=$IFS
-  IFS=:
-  set x $ac_tag
-  IFS=$ac_save_IFS
-  shift
-  ac_file=$1
-  shift
-
-  case $ac_mode in
-  :L) ac_source=$1;;
-  :[FH])
-    ac_file_inputs=
-    for ac_f
-    do
-      case $ac_f in
-      -) ac_f="$tmp/stdin";;
-      *) # Look for the file first in the build tree, then in the source tree
-         # (if the path is not absolute).  The absolute path cannot be DOS-style,
-         # because $ac_f cannot contain `:'.
-         test -f "$ac_f" ||
-           case $ac_f in
-           [\\/$]*) false;;
-           *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
-           esac ||
-           as_fn_error "cannot find input file: \`$ac_f'" "$LINENO" 5;;
-      esac
-      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      as_fn_append ac_file_inputs " '$ac_f'"
-    done
-
-    # Let's still pretend it is `configure' which instantiates (i.e., don't
-    # use $as_me), people would be surprised to read:
-    #    /* config.h.  Generated by config.status.  */
-    configure_input='Generated from '`
-          $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
-        `' by configure.'
-    if test x"$ac_file" != x-; then
-      configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-$as_echo "$as_me: creating $ac_file" >&6;}
-    fi
-    # Neutralize special characters interpreted by sed in replacement strings.
-    case $configure_input in #(
-    *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`$as_echo "$configure_input" |
-       sed 's/[\\\\&|]/\\\\&/g'`;; #(
-    *) ac_sed_conf_input=$configure_input;;
-    esac
-
-    case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5 ;;
-    esac
-    ;;
-  esac
-
-  ac_dir=`$as_dirname -- "$ac_file" ||
-$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$ac_file" : 'X\(//\)[^/]' \| \
-         X"$ac_file" : 'X\(//\)$' \| \
-         X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-            s//\1/
-            q
-          }
-          /^X\(\/\/\)[^/].*/{
-            s//\1/
-            q
-          }
-          /^X\(\/\/\)$/{
-            s//\1/
-            q
-          }
-          /^X\(\/\).*/{
-            s//\1/
-            q
-          }
-          s/.*/./; q'`
-  as_dir="$ac_dir"; as_fn_mkdir_p
+  } || test -d "$as_dir" || { { echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
+echo "$as_me: error: cannot create directory $as_dir" >&2;}
+   { (exit 1); exit 1; }; }; }
   ac_builddir=.
 
@@ -7884 +14057 @@
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,/..,g;s,/,,'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
@@ -7922 +14095 @@
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 # If the template does not know about datarootdir, expand it.
 # FIXME: This hack should be removed a few years after 2.60.
 ac_datarootdir_hack=; ac_datarootdir_seen=
-ac_sed_dataroot='
-/datarootdir/ {
+
+case `sed -n '/datarootdir/ {
   p
   q
@@ -7935 +14108 @@
 /@infodir@/p
 /@localedir@/p
-/@mandir@/p'
-case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+/@mandir@/p
+' $ac_file_inputs` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
-_ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+  { echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
   ac_datarootdir_hack='
   s&@datadir@&$datadir&g
@@ -7949 +14122 @@
   s&@localedir@&$localedir&g
   s&@mandir@&$mandir&g
-  s&\\\${datarootdir}&$datarootdir&g' ;;
+    s&\\\${datarootdir}&$datarootdir&g' ;;
 esac
 _ACEOF
@@ -7956 +14129 @@
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_sed_extra="$ac_vpsub
+cat >>$CONFIG_STATUS <<_ACEOF
+  sed "$ac_vpsub
 $extrasub
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>$CONFIG_STATUS <<\_ACEOF
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s|@configure_input@|$ac_sed_conf_input|;t t
+s&@configure_input@&$configure_input&;t t
 s&@top_builddir@&$ac_top_builddir_sub&;t t
-s&@top_build_prefix@&$ac_top_build_prefix&;t t
 s&@srcdir@&$ac_srcdir&;t t
 s&@abs_srcdir@&$ac_abs_srcdir&;t t
@@ -7974 +14146 @@
 s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 $ac_datarootdir_hack
-"
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+" $ac_file_inputs | sed -f "$tmp/subs-1.sed" | sed -f "$tmp/subs-2.sed" >$tmp/out
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[  ]*datarootdir[  ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined." >&5
-$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined." >&2;}
 
   rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
-  esac \
-  || as_fn_error "could not create $ac_file" "$LINENO" 5
+  -) cat "$tmp/out"; rm -f "$tmp/out";;
+  *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;;
+  esac
  ;;
   :H)
@@ -7997 +14166 @@
   # CONFIG_HEADER
   #
+_ACEOF
+
+# Transform confdefs.h into a sed script `conftest.defines', that
+# substitutes the proper values into config.h.in to produce config.h.
+rm -f conftest.defines conftest.tail
+# First, append a space to every undef/define line, to ease matching.
+echo 's/$/ /' >conftest.defines
+# Then, protect against being on the right side of a sed subst, or in
+# an unquoted here document, in config.status.  If some macros were
+# called several times there might be several #defines for the same
+# symbol, which is useless.  But do not sort them, since the last
+# AC_DEFINE must be honored.
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where
+# NAME is the cpp macro being defined, VALUE is the value it is being given.
+# PARAMS is the parameter list in the macro definition--in most cases, it's
+# just an empty string.
+ac_dA='s,^\\([   #]*\\)[^        ]*\\([  ]*'
+ac_dB='\\)[      (].*,\\1define\\2'
+ac_dC=' '
+ac_dD=' ,'
+
+uniq confdefs.h |
+  sed -n '
+        t rset
+        :rset
+        s/^[     ]*#[    ]*define[       ][      ]*//
+        t ok
+        d
+        :ok
+        s/[\\&,]/\\&/g
+        s/^\('"$ac_word_re"'\)\(([^()]*)\)[      ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p
+        s/^\('"$ac_word_re"'\)[  ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p
+  ' >>conftest.defines
+
+# Remove the space that was appended to ease matching.
+# Then replace #undef with comments.  This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it.
+# (The regexp can be short, since the line contains either #define or #undef.)
+echo 's/ $//
+s,^[     #]*u.*,/* & */,' >>conftest.defines
+
+# Break up conftest.defines:
+ac_max_sed_lines=50
+
+# First sed command is:  sed -f defines.sed $ac_file_inputs >"$tmp/out1"
+# Second one is:         sed -f defines.sed "$tmp/out1" >"$tmp/out2"
+# Third one will be:     sed -f defines.sed "$tmp/out2" >"$tmp/out1"
+# et cetera.
+ac_in='$ac_file_inputs'
+ac_out='"$tmp/out1"'
+ac_nxt='"$tmp/out2"'
+
+while :
+do
+  # Write a here document:
+    cat >>$CONFIG_STATUS <<_ACEOF
+    # First, check the format of the line:
+    cat >"\$tmp/defines.sed" <<\\CEOF
+/^[      ]*#[    ]*undef[        ][      ]*$ac_word_re[  ]*\$/b def
+/^[      ]*#[    ]*define[       ][      ]*$ac_word_re[(         ]/b def
+b
+:def
+_ACEOF
+  sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS
+  echo 'CEOF
+    sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS
+  ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in
+  sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail
+  grep . conftest.tail >/dev/null || break
+  rm -f conftest.defines
+  mv conftest.tail conftest.defines
+done
+rm -f conftest.defines conftest.tail
+
+echo "ac_result=$ac_in" >>$CONFIG_STATUS
+cat >>$CONFIG_STATUS <<\_ACEOF
   if test x"$ac_file" != x-; then
-    {
-      $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
-      || as_fn_error "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-$as_echo "$as_me: $ac_file is unchanged" >&6;}
+    echo "/* $configure_input  */" >"$tmp/config.h"
+    cat "$ac_result" >>"$tmp/config.h"
+    if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then
+      { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+echo "$as_me: $ac_file is unchanged" >&6;}
     else
-      rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
-        || as_fn_error "could not create $ac_file" "$LINENO" 5
+      rm -f $ac_file
+      mv "$tmp/config.h" $ac_file
     fi
   else
-    $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
-      || as_fn_error "could not create -" "$LINENO" 5
+    echo "/* $configure_input  */"
+    cat "$ac_result"
   fi
+  rm -f "$tmp/out12"
  ;;
 
@@ -8024 +14267 @@
 
 
-as_fn_exit 0
-_ACEOF
+{ (exit 0); exit 0; }
+_ACEOF
+chmod +x $CONFIG_STATUS
 ac_clean_files=$ac_clean_files_save
-
-test $ac_write_fail = 0 ||
-  as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
@@ -8050 +14291 @@
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit $?
-fi
-if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
-fi
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result:
+  $ac_cs_success || { (exit 1); exit 1; }
+fi
+
+
+
+{ echo "$as_me:$LINENO: result:
 
 Configurations for current target have been written to 'build.mak', and 'os-auto.mak' in various build directories, and pjlib/include/pj/compat/os_auto.h.
@@ -8069 +14306 @@
 The next step now is to run 'make dep' and 'make'.
 " >&5
-$as_echo "
+echo "${ECHO_T}
 
 Configurations for current target have been written to 'build.mak', and 'os-auto.mak' in various build directories, and pjlib/include/pj/compat/os_auto.h.

pjproject/branches/projects/2.0-dev/aconfigure.ac

@@ -407 +407 @@
         ac_os_objs="$ac_os_objs file_access_win32.o file_io_win32.o os_core_win32.o os_error_win32.o os_time_win32.o os_timestamp_win32.o guid_win32.o"
         ;;
+  *darwin*)
+        ac_os_objs="$ac_os_objs os_core_darwin.o"
+        ;;
   *)
         ac_os_objs="$ac_os_objs file_access_unistd.o file_io_ansi.o os_core_unix.o os_error_unix.o os_time_unix.o os_timestamp_posix.o"

pjproject/branches/projects/2.0-dev/pjlib/include/pj/os.h

@@ -1332 +1332 @@
 /* **************************************************************************/
 /**
+ * @defgroup PJ_APP_OS Application execution
+ * @ingroup PJ_OS
+ * @{
+ */
+
+/* Type for main function. */
+typedef int (*pj_main_func_ptr)(int argc, char *argv[]);
+
+/**
+ * Run the application. This function has to be called in the main thread
+ * and after doing the necessary initialization according to the flags
+ * provided, it will call main_func() function.
+ *
+ * @param main_func Application's main function.
+ * @param argc      Number of arguments from the main() function, which
+ *                  will be passed to main_func() function.
+ * @param argv      The arguments from the main() function, which will
+ *                  be passed to main_func() function.
+ * @param flags     Flags for application execution, currently must be 0.
+ *
+ * @return          main_func()'s return value.
+ */
+int pj_run_app(pj_main_func_ptr main_func, int argc, char *argv[],
+               unsigned flags);
+
+/** @} */
+
+
+/* **************************************************************************/
+/**
  * Internal PJLIB function to initialize the threading subsystem.
  * @return          PJ_SUCCESS or the appropriate error code.

pjproject/branches/projects/2.0-dev/pjlib/src/pj/os_core_symbian.cpp

@@ -1037 +1037 @@
 
 #endif  /* PJ_OS_HAS_CHECK_STACK */
+
+/*
+ * pj_run_app()
+ */
+PJ_DEF(int) pj_run_app(pj_main_func_ptr main_func, int argc, char *argv[],
+                       unsigned flags)
+{
+    return (*main_func)(argc, argv);
+}

pjproject/branches/projects/2.0-dev/pjlib/src/pj/os_core_unix.c

@@ -1823 +1823 @@
 #endif  /* PJ_TERM_HAS_COLOR */
 
+/*
+ * pj_run_app()
+ */
+PJ_DEF(int) pj_run_app(pj_main_func_ptr main_func, int argc, char *argv[],
+                       unsigned flags)
+{
+    return (*main_func)(argc, argv);
+}

pjproject/branches/projects/2.0-dev/pjlib/src/pj/os_core_win32.c

@@ -1422 +1422 @@
 
 #endif  /* PJ_TERM_HAS_COLOR */
+
+/*
+ * pj_run_app()
+ */
+PJ_DEF(int) pj_run_app(pj_main_func_ptr main_func, int argc, char *argv[],
+                       unsigned flags)
+{
+    return (*main_func)(argc, argv);
+}

pjproject/branches/projects/2.0-dev/pjmedia/build/Makefile

@@ -123 +123 @@
 export PJMEDIA_TEST_SRCDIR = ../src/test
 export PJMEDIA_TEST_OBJS += codec_vectors.o jbuf_test.o main.o mips_test.o \
-                            vid_codec_test.o vid_dev_test.o rtp_test.o test.o
+                            vid_codec_test.o vid_dev_test.o vid_port_test.o \
+                            rtp_test.o test.o
 export PJMEDIA_TEST_OBJS += sdp_neg_test.o 
 export PJMEDIA_TEST_CFLAGS += $(_CFLAGS)

pjproject/branches/projects/2.0-dev/pjmedia/include/pjmedia_videodev.h

@@ -28 +28 @@
 #include <pjmedia-videodev/videodev_imp.h>
 
-#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
-#   if PJMEDIA_VIDEO_DEV_HAS_SDL
-#       include <SDL.h>
-#endif
-#endif
-
 #endif  /* __PJMEDIA_VIDEODEV_H__ */

pjproject/branches/projects/2.0-dev/pjmedia/src/test/main.c

@@ -18 +18 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
  */
+#include <pj/os.h>
+
 #include "test.h"
-#include <pjmedia_videodev.h>
 
  
@@ -31 +32 @@
 #endif
 
-
-int main(int argc, char *argv[])
+static int main_func(int argc, char *argv[])
 {
     int rc;
@@ -48 +48 @@
 }
 
-
+int main(int argc, char *argv[])
+{
+    return pj_run_app(&main_func, argc, argv, 0);
+}

pjproject/branches/projects/2.0-dev/pjmedia/src/test/test.c

@@ -20 +20 @@
 #include "test.h"
 
-#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
-#   include <CoreFoundation/CFRunLoop.h>
-#endif
-
 #define THIS_FILE   "test.c"
 
@@ -37 +33 @@
 
 pj_pool_factory *mem;
-pj_bool_t is_quit = PJ_FALSE;
-pj_thread_t *thread;
-pj_caching_pool caching_pool;
-pj_pool_t *pool;
+
 
 void app_perror(pj_status_t status, const char *msg)
@@ -51 +44 @@
 }
 
-static int test_func(void *data)
+int test_main(void)
 {
     int rc = 0;
+    pj_caching_pool caching_pool;
+    pj_pool_t *pool;
+
+    pj_init();
+    pj_caching_pool_init(&caching_pool, &pj_pool_factory_default_policy, 0);
+    pool = pj_pool_create(&caching_pool.factory, "test", 1000, 512, NULL);
+
+    pj_log_set_decor(PJ_LOG_HAS_NEWLINE);
+    pj_log_set_level(3);
+
+    mem = &caching_pool.factory;
+
+    pjmedia_video_format_mgr_create(pool, 64, 0, NULL);
+    pjmedia_converter_mgr_create(pool, NULL);
+    pjmedia_vid_codec_mgr_create(pool, NULL);
 
 #if HAS_VID_PORT_TEST
@@ -62 +70 @@
     DO_TEST(vid_dev_test());
 #endif
-    
+
 #if HAS_VID_CODEC_TEST
     DO_TEST(vid_codec_test());
 #endif
-    
+
 #if HAS_SDP_NEG_TEST
     DO_TEST(sdp_neg_test());
@@ -82 +90 @@
     DO_TEST(codec_test_vectors());
 #endif
-    
+
     PJ_LOG(3,(THIS_FILE," "));
-    
+
 on_return:
     if (rc != 0) {
@@ -91 +99 @@
         PJ_LOG(3,(THIS_FILE,"Looks like everything is okay!"));
     }
-    
-    is_quit = PJ_TRUE;
-    return rc;
-}
-
-int test_main(void)
-{
-    int rc = 0;
-
-    pj_init();
-    pj_caching_pool_init(&caching_pool, &pj_pool_factory_default_policy, 0);
-    pool = pj_pool_create(&caching_pool.factory, "test", 1000, 512, NULL);
-    
-    pj_log_set_decor(PJ_LOG_HAS_NEWLINE);
-    pj_log_set_level(3);
-
-    mem = &caching_pool.factory;
-
-    pjmedia_video_format_mgr_create(pool, 64, 0, NULL);
-    pjmedia_converter_mgr_create(pool, NULL);
-    pjmedia_vid_codec_mgr_create(pool, NULL);
-
-#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
-    {
-        if (pj_thread_create(pool, "test_func", test_func, NULL, 0, 0,
-                             &thread) == PJ_SUCCESS) {
-            while (!is_quit) {
-                CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false);
-            }
-        }
-        return 0;
-    }
-#else
-    rc = test_func(NULL);
-#endif
 
     pjmedia_video_format_mgr_destroy(pjmedia_video_format_mgr_instance());

pjproject/branches/projects/2.0-dev/pjsip-apps/src/pjsua/main.c

@@ -18 +18 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
  */
-#include <pjmedia_videodev.h>
 #include <pjsua-lib/pjsua.h>
 
-#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
-#   include <CoreFoundation/CFRunLoop.h>
-#endif
 
 #define THIS_FILE       "main.c"
@@ -32 +28 @@
  */
 extern pj_bool_t app_restart;
-pj_bool_t is_quit = PJ_FALSE;
 pj_status_t app_init(int argc, char *argv[]);
 pj_status_t app_main(void);
@@ -81 +76 @@
 #endif
 
-#if defined(PJ_DARWINOS) && PJ_DARWINOS!=0
-static int main_func(void *data);
-int argc;
-char **argv;
-
-int main(int argcm, char *argvm[])
-{ 
-    pthread_t thread;
-
-    argc = argcm;
-    argv = (char **)argvm;
-    if (pthread_create(&thread, NULL, &main_func, NULL) == 0) {
-        while (!is_quit) {
-            CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false);
-        }
-    }
-
-    return 0;
-}
-static int main_func(void *data)
-#else
-int main(int argc, char *argv[])
-#endif
+static int main_func(int argc, char *argv[])
 {
     do {
@@ -120 +93 @@
     } while (app_restart);
 
-    is_quit = PJ_TRUE;
     return 0;
 }
 
+int main(int argc, char *argv[])
+{
+    return pj_run_app(&main_func, argc, argv, 0);
+}

pjproject/branches/projects/2.0-dev/pjsip-apps/src/samples/aviplay.c

@@ -21 +21 @@
 #include <pjmedia/converter.h>
 #include <pjmedia-codec.h>
-#include <pjmedia_videodev.h>
 #include <pjlib-util.h>
 #include <pjlib.h>
@@ -448 +447 @@
 
 
-/*
- * main()
- */
-int main(int argc, char *argv[])
+static int main_func(int argc, char *argv[])
 {
     pj_caching_pool cp;
@@ -529 +525 @@
     return 0;
 }
+
+int main(int argc, char *argv[])
+{
+    return pj_run_app(&main_func, argc, argv, 0);
+}