Changeset 4159

Timestamp:

Jun 7, 2012 2:24:51 AM (12 years ago)

Author:

ming

Message:

Re #1529: Modify configure script to search for SDL2 first.

Location:

pjproject/trunk

Files:

• aconfigure (modified) (199 diffs)
• aconfigure.ac (modified) (1 diff)

pjproject/trunk/aconfigure

@@ -1 +1 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.67 for pjproject 2.x.
+# Generated by GNU Autoconf 2.69 for pjproject 2.x.
 #
 #
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
-# Foundation, Inc.
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
 #
 #
@@ -90 +88 @@
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
@@ -134 +133 @@
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # 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.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
   as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
@@ -167 +191 @@
   exitcode=1; echo positional parameters were not saved.
 fi
-test x\$exitcode = x0 || exit 1"
+test x\$exitcode = x0 || exit 1
+test -x / || 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
@@ -212 +237 @@
 
       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" ${1+"$@"}
+  export CONFIG_SHELL
+             # 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.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
 fi
 
@@ -321 +357 @@
 
 } # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
 # as_fn_append VAR VALUE
 # ----------------------
@@ -442 +486 @@
     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
   # 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
@@ -476 +524 @@
     # 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'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
@@ -497 +545 @@
 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
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
@@ -1169 +1197 @@
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
@@ -1220 +1248 @@
   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.
-    If a cross compiler is detected then cross compile mode will be used" >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
@@ -1522 +1548 @@
   cat <<\_ACEOF
 pjproject configure 2.x
-generated by GNU Autoconf 2.67
-
-Copyright (C) 2010 Free Software Foundation, Inc.
+generated by GNU Autoconf 2.69
+
+Copyright (C) 2012 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
@@ -1568 +1594 @@
         ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
@@ -1606 +1632 @@
         ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
@@ -1638 +1664 @@
        } && test -s conftest$ac_exeext && {
          test "$cross_compiling" = yes ||
-         $as_test_x conftest$ac_exeext
+         test -x conftest$ac_exeext
        }; then :
   ac_retval=0
@@ -1652 +1678 @@
   # 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;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
@@ -1694 +1720 @@
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
@@ -1731 +1757 @@
     ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
@@ -1745 +1771 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -1763 +1789 @@
                { $as_echo "$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;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_compile
@@ -1775 +1801 @@
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval "test \"\${$3+set}\"" = set; then :
+  if eval \${$3+:} false; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 fi
@@ -1841 +1867 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -1850 +1876 @@
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_mongrel
@@ -1862 +1888 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -1917 +1943 @@
                { $as_echo "$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;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
@@ -1925 +1951 @@
 
 It was created by pjproject $as_me 2.x, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2183 +2209 @@
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
@@ -2310 +2336 @@
 { $as_echo "$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 :
+if ${ac_cv_build+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2326 +2352 @@
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5 ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
@@ -2344 +2370 @@
 { $as_echo "$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 :
+if ${ac_cv_host+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2359 +2385 @@
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5 ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
@@ -2377 +2403 @@
 { $as_echo "$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 :
+if ${ac_cv_target+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2392 +2418 @@
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5 ;;
+*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
 esac
 target=$ac_cv_target
@@ -2438 +2464 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2450 +2476 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$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
@@ -2478 +2504 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2490 +2516 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$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
@@ -2531 +2557 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2543 +2569 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$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
@@ -2571 +2597 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2584 +2610 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
@@ -2630 +2656 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2642 +2668 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$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
@@ -2674 +2700 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2686 +2712 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$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
@@ -2729 +2755 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
@@ -2844 +2870 @@
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -2887 +2913 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
@@ -2946 +2972 @@
 as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
@@ -2957 +2983 @@
 { $as_echo "$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 :
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2998 +3024 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
@@ -3008 +3034 @@
 { $as_echo "$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 :
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3045 +3071 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3123 +3149 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3132 +3158 @@
 #include <stdarg.h>
 #include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+struct stat;
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
@@ -3234 +3259 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3246 +3271 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$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
@@ -3278 +3303 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3290 +3315 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$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
@@ -3356 +3381 @@
 { $as_echo "$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 :
+if ${ac_cv_cxx_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3393 +3418 @@
 { $as_echo "$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 :
+if ${ac_cv_prog_cxx_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3553 +3578 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_pthread_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3587 +3612 @@
 { $as_echo "$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$ac_cv_lib_pthread_pthread_create" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_create" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
@@ -3598 +3623 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_wsock32_puts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3632 +3657 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_wsock32_puts" >&5
 $as_echo "$ac_cv_lib_wsock32_puts" >&6; }
-if test "x$ac_cv_lib_wsock32_puts" = x""yes; then :
+if test "x$ac_cv_lib_wsock32_puts" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWSOCK32 1
@@ -3643 +3668 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_ws2_32_puts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3677 +3702 @@
 { $as_echo "$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$ac_cv_lib_ws2_32_puts" = x""yes; then :
+if test "x$ac_cv_lib_ws2_32_puts" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWS2_32 1
@@ -3688 +3713 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_ole32_puts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3722 +3747 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ole32_puts" >&5
 $as_echo "$ac_cv_lib_ole32_puts" >&6; }
-if test "x$ac_cv_lib_ole32_puts" = x""yes; then :
+if test "x$ac_cv_lib_ole32_puts" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBOLE32 1
@@ -3733 +3758 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_winmm_puts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3767 +3792 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_winmm_puts" >&5
 $as_echo "$ac_cv_lib_winmm_puts" >&6; }
-if test "x$ac_cv_lib_winmm_puts" = x""yes; then :
+if test "x$ac_cv_lib_winmm_puts" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWINMM 1
@@ -3778 +3803 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_socket_puts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3812 +3837 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_puts" >&5
 $as_echo "$ac_cv_lib_socket_puts" >&6; }
-if test "x$ac_cv_lib_socket_puts" = x""yes; then :
+if test "x$ac_cv_lib_socket_puts" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSOCKET 1
@@ -3823 +3848 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_rt_puts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3857 +3882 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_puts" >&5
 $as_echo "$ac_cv_lib_rt_puts" >&6; }
-if test "x$ac_cv_lib_rt_puts" = x""yes; then :
+if test "x$ac_cv_lib_rt_puts" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBRT 1
@@ -3868 +3893 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_nsl_puts+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3902 +3927 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_puts" >&5
 $as_echo "$ac_cv_lib_nsl_puts" >&6; }
-if test "x$ac_cv_lib_nsl_puts" = x""yes; then :
+if test "x$ac_cv_lib_nsl_puts" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBNSL 1
@@ -3913 +3938 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_uuid_uuid_generate+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3947 +3972 @@
 { $as_echo "$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$ac_cv_lib_uuid_uuid_generate" = x""yes; then :
+if test "x$ac_cv_lib_uuid_uuid_generate" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBUUID 1
@@ -3958 +3983 @@
 { $as_echo "$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 :
+if ${ac_cv_lib_uuid_uuid_generate+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -3992 +4017 @@
 { $as_echo "$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$ac_cv_lib_uuid_uuid_generate" = x""yes; then :
+if test "x$ac_cv_lib_uuid_uuid_generate" = xyes; then :
   ac_has_uuid_lib=1
 fi
@@ -4034 +4059 @@
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -4150 +4175 @@
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
@@ -4162 +4187 @@
 { $as_echo "$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 :
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -4176 +4201 @@
     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
+      as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
@@ -4225 +4250 @@
 { $as_echo "$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 :
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -4242 +4267 @@
     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
+      as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
@@ -4292 +4317 @@
 { $as_echo "$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 :
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -4421 +4446 @@
  { $as_echo "$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 :
+if ${ac_cv_c_bigendian+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -4640 +4665 @@
    *)
      as_fn_error $? "unknown endianness
- presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5  ;;
+ presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
  esac
 
@@ -4698 +4723 @@
                 { $as_echo "$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 :
+if ${ac_cv_lib_m_fmod+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -4732 +4757 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_fmod" >&5
 $as_echo "$ac_cv_lib_m_fmod" >&6; }
-if test "x$ac_cv_lib_m_fmod" = x""yes; then :
+if test "x$ac_cv_lib_m_fmod" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBM 1
@@ -4747 +4772 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"
-if test "x$ac_cv_header_arpa_inet_h" = x""yes; then :
+if test "x$ac_cv_header_arpa_inet_h" = xyes; then :
   $as_echo "#define PJ_HAS_ARPA_INET_H 1" >>confdefs.h
 
@@ -4754 +4779 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "assert.h" "ac_cv_header_assert_h" "$ac_includes_default"
-if test "x$ac_cv_header_assert_h" = x""yes; then :
+if test "x$ac_cv_header_assert_h" = xyes; then :
   $as_echo "#define PJ_HAS_ASSERT_H 1" >>confdefs.h
 
@@ -4761 +4786 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "ctype.h" "ac_cv_header_ctype_h" "$ac_includes_default"
-if test "x$ac_cv_header_ctype_h" = x""yes; then :
+if test "x$ac_cv_header_ctype_h" = xyes; then :
   $as_echo "#define PJ_HAS_CTYPE_H 1" >>confdefs.h
 
@@ -4775 +4800 @@
     *)
         ac_fn_c_check_header_mongrel "$LINENO" "errno.h" "ac_cv_header_errno_h" "$ac_includes_default"
-if test "x$ac_cv_header_errno_h" = x""yes; then :
+if test "x$ac_cv_header_errno_h" = xyes; then :
   $as_echo "#define PJ_HAS_ERRNO_H 1" >>confdefs.h
 
@@ -4785 +4810 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "fcntl.h" "ac_cv_header_fcntl_h" "$ac_includes_default"
-if test "x$ac_cv_header_fcntl_h" = x""yes; then :
+if test "x$ac_cv_header_fcntl_h" = xyes; then :
   $as_echo "#define PJ_HAS_FCNTL_H 1" >>confdefs.h
 
@@ -4792 +4817 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "linux/socket.h" "ac_cv_header_linux_socket_h" "$ac_includes_default"
-if test "x$ac_cv_header_linux_socket_h" = x""yes; then :
+if test "x$ac_cv_header_linux_socket_h" = xyes; then :
   $as_echo "#define PJ_HAS_LINUX_SOCKET_H 1" >>confdefs.h
 
@@ -4799 +4824 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "limits.h" "ac_cv_header_limits_h" "$ac_includes_default"
-if test "x$ac_cv_header_limits_h" = x""yes; then :
+if test "x$ac_cv_header_limits_h" = xyes; then :
   $as_echo "#define PJ_HAS_LIMITS_H 1" >>confdefs.h
 
@@ -4806 +4831 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "malloc.h" "ac_cv_header_malloc_h" "$ac_includes_default"
-if test "x$ac_cv_header_malloc_h" = x""yes; then :
+if test "x$ac_cv_header_malloc_h" = xyes; then :
   $as_echo "#define PJ_HAS_MALLOC_H 1" >>confdefs.h
 
@@ -4813 +4838 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "netdb.h" "ac_cv_header_netdb_h" "$ac_includes_default"
-if test "x$ac_cv_header_netdb_h" = x""yes; then :
+if test "x$ac_cv_header_netdb_h" = xyes; then :
   $as_echo "#define PJ_HAS_NETDB_H 1" >>confdefs.h
 
@@ -4820 +4845 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "netinet/in_systm.h" "ac_cv_header_netinet_in_systm_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_in_systm_h" = x""yes; then :
+if test "x$ac_cv_header_netinet_in_systm_h" = xyes; then :
   $as_echo "#define PJ_HAS_NETINET_IN_SYSTM_H 1" >>confdefs.h
 
@@ -4827 +4852 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "netinet/in.h" "ac_cv_header_netinet_in_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_in_h" = x""yes; then :
+if test "x$ac_cv_header_netinet_in_h" = xyes; then :
   $as_echo "#define PJ_HAS_NETINET_IN_H 1" >>confdefs.h
 
@@ -4844 +4869 @@
 
 "
-if test "x$ac_cv_header_netinet_ip_h" = x""yes; then :
+if test "x$ac_cv_header_netinet_ip_h" = xyes; then :
   $as_echo "#define PJ_HAS_NETINET_IP_H 1" >>confdefs.h
 
@@ -4851 +4876 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "netinet/tcp.h" "ac_cv_header_netinet_tcp_h" "$ac_includes_default"
-if test "x$ac_cv_header_netinet_tcp_h" = x""yes; then :
+if test "x$ac_cv_header_netinet_tcp_h" = xyes; then :
   $as_echo "#define PJ_HAS_NETINET_TCP_H 1" >>confdefs.h
 
@@ -4858 +4883 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "ifaddrs.h" "ac_cv_header_ifaddrs_h" "$ac_includes_default"
-if test "x$ac_cv_header_ifaddrs_h" = x""yes; then :
+if test "x$ac_cv_header_ifaddrs_h" = xyes; then :
   ac_fn_c_check_func "$LINENO" "getifaddrs" "ac_cv_func_getifaddrs"
-if test "x$ac_cv_func_getifaddrs" = x""yes; then :
+if test "x$ac_cv_func_getifaddrs" = xyes; then :
   $as_echo "#define PJ_HAS_IFADDRS_H 1" >>confdefs.h
 
@@ -4869 +4894 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "semaphore.h" "ac_cv_header_semaphore_h" "$ac_includes_default"
-if test "x$ac_cv_header_semaphore_h" = x""yes; then :
+if test "x$ac_cv_header_semaphore_h" = xyes; then :
   $as_echo "#define PJ_HAS_SEMAPHORE_H 1" >>confdefs.h
 
@@ -4876 +4901 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "setjmp.h" "ac_cv_header_setjmp_h" "$ac_includes_default"
-if test "x$ac_cv_header_setjmp_h" = x""yes; then :
+if test "x$ac_cv_header_setjmp_h" = xyes; then :
   $as_echo "#define PJ_HAS_SETJMP_H 1" >>confdefs.h
 
@@ -4883 +4908 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "stdarg.h" "ac_cv_header_stdarg_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdarg_h" = x""yes; then :
+if test "x$ac_cv_header_stdarg_h" = xyes; then :
   $as_echo "#define PJ_HAS_STDARG_H 1" >>confdefs.h
 
@@ -4890 +4915 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "stddef.h" "ac_cv_header_stddef_h" "$ac_includes_default"
-if test "x$ac_cv_header_stddef_h" = x""yes; then :
+if test "x$ac_cv_header_stddef_h" = xyes; then :
   $as_echo "#define PJ_HAS_STDDEF_H 1" >>confdefs.h
 
@@ -4897 +4922 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "stdio.h" "ac_cv_header_stdio_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdio_h" = x""yes; then :
+if test "x$ac_cv_header_stdio_h" = xyes; then :
   $as_echo "#define PJ_HAS_STDIO_H 1" >>confdefs.h
 
@@ -4904 +4929 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "stdint.h" "ac_cv_header_stdint_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdint_h" = x""yes; then :
+if test "x$ac_cv_header_stdint_h" = xyes; then :
   $as_echo "#define PJ_HAS_STDINT_H 1" >>confdefs.h
 
@@ -4911 +4936 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdlib_h" = x""yes; then :
+if test "x$ac_cv_header_stdlib_h" = xyes; then :
   $as_echo "#define PJ_HAS_STDLIB_H 1" >>confdefs.h
 
@@ -4918 +4943 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default"
-if test "x$ac_cv_header_string_h" = x""yes; then :
+if test "x$ac_cv_header_string_h" = xyes; then :
   $as_echo "#define PJ_HAS_STRING_H 1" >>confdefs.h
 
@@ -4925 +4950 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_ioctl_h" = x""yes; then :
+if test "x$ac_cv_header_sys_ioctl_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_IOCTL_H 1" >>confdefs.h
 
@@ -4932 +4957 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/select.h" "ac_cv_header_sys_select_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_select_h" = x""yes; then :
+if test "x$ac_cv_header_sys_select_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_SELECT_H 1" >>confdefs.h
 
@@ -4939 +4964 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/socket.h" "ac_cv_header_sys_socket_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_socket_h" = x""yes; then :
+if test "x$ac_cv_header_sys_socket_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_SOCKET_H 1" >>confdefs.h
 
@@ -4946 +4971 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_time_h" = x""yes; then :
+if test "x$ac_cv_header_sys_time_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_TIME_H 1" >>confdefs.h
 
@@ -4953 +4978 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/timeb.h" "ac_cv_header_sys_timeb_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_timeb_h" = x""yes; then :
+if test "x$ac_cv_header_sys_timeb_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_TIMEB_H 1" >>confdefs.h
 
@@ -4960 +4985 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/types.h" "ac_cv_header_sys_types_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_types_h" = x""yes; then :
+if test "x$ac_cv_header_sys_types_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_TYPES_H 1" >>confdefs.h
 
@@ -4967 +4992 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/filio.h" "ac_cv_header_sys_filio_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_filio_h" = x""yes; then :
+if test "x$ac_cv_header_sys_filio_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_FILIO_H 1" >>confdefs.h
 
@@ -4974 +4999 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/sockio.h" "ac_cv_header_sys_sockio_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_sockio_h" = x""yes; then :
+if test "x$ac_cv_header_sys_sockio_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_SOCKIO_H 1" >>confdefs.h
 
@@ -4981 +5006 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/utsname.h" "ac_cv_header_sys_utsname_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_utsname_h" = x""yes; then :
+if test "x$ac_cv_header_sys_utsname_h" = xyes; then :
   $as_echo "#define PJ_HAS_SYS_UTSNAME_H 1" >>confdefs.h
 
@@ -4988 +5013 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "time.h" "ac_cv_header_time_h" "$ac_includes_default"
-if test "x$ac_cv_header_time_h" = x""yes; then :
+if test "x$ac_cv_header_time_h" = xyes; then :
   $as_echo "#define PJ_HAS_TIME_H 1" >>confdefs.h
 
@@ -4995 +5020 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
-if test "x$ac_cv_header_unistd_h" = x""yes; then :
+if test "x$ac_cv_header_unistd_h" = xyes; then :
   $as_echo "#define PJ_HAS_UNISTD_H 1" >>confdefs.h
 
@@ -5002 +5027 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "winsock.h" "ac_cv_header_winsock_h" "$ac_includes_default"
-if test "x$ac_cv_header_winsock_h" = x""yes; then :
+if test "x$ac_cv_header_winsock_h" = xyes; then :
   $as_echo "#define PJ_HAS_WINSOCK_H 1" >>confdefs.h
 
@@ -5009 +5034 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
-if test "x$ac_cv_header_winsock2_h" = x""yes; then :
+if test "x$ac_cv_header_winsock2_h" = xyes; then :
   $as_echo "#define PJ_HAS_WINSOCK2_H 1" >>confdefs.h
 
@@ -5022 +5047 @@
 
 "
-if test "x$ac_cv_header_mswsock_h" = x""yes; then :
+if test "x$ac_cv_header_mswsock_h" = xyes; then :
   $as_echo "#define PJ_HAS_MSWSOCK_H 1" >>confdefs.h
 
@@ -5029 +5054 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "ws2tcpip.h" "ac_cv_header_ws2tcpip_h" "$ac_includes_default"
-if test "x$ac_cv_header_ws2tcpip_h" = x""yes; then :
+if test "x$ac_cv_header_ws2tcpip_h" = xyes; then :
   $as_echo "#define PJ_HAS_WS2TCPIP_H 1" >>confdefs.h
 
@@ -5036 +5061 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "uuid/uuid.h" "ac_cv_header_uuid_uuid_h" "$ac_includes_default"
-if test "x$ac_cv_header_uuid_uuid_h" = x""yes; then :
+if test "x$ac_cv_header_uuid_uuid_h" = xyes; then :
   ac_has_uuid_h=1
 fi
@@ -5050 +5075 @@
 
 "
-if test "x$ac_cv_header_net_if_h" = x""yes; then :
+if test "x$ac_cv_header_net_if_h" = xyes; then :
   $as_echo "#define PJ_HAS_NET_IF_H 1" >>confdefs.h
 
@@ -5601 +5626 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "sys/soundcard.h" "ac_cv_header_sys_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_soundcard_h" = x""yes; then :
+if test "x$ac_cv_header_sys_soundcard_h" = xyes; then :
   ac_pa_cflags="$ac_pa_cflags -DHAVE_SYS_SOUNDCARD_H"
 fi
@@ -5607 +5632 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "linux/soundcard.h" "ac_cv_header_linux_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_linux_soundcard_h" = x""yes; then :
+if test "x$ac_cv_header_linux_soundcard_h" = xyes; then :
   ac_pa_cflags="$ac_pa_cflags -DHAVE_LINUX_SOUNDCARD_H"
 fi
@@ -5613 +5638 @@
 
 ac_fn_c_check_header_mongrel "$LINENO" "machine/soundcard.h" "ac_cv_header_machine_soundcard_h" "$ac_includes_default"
-if test "x$ac_cv_header_machine_soundcard_h" = x""yes; then :
+if test "x$ac_cv_header_machine_soundcard_h" = xyes; then :
   ac_pa_cflags="$ac_pa_cflags -DHAVE_MACHINE_SOUNDCARD_H"
 fi
@@ -5661 +5686 @@
                 ac_pjmedia_snd=pa_unix
         ac_fn_c_check_header_mongrel "$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 "x$ac_cv_header_alsa_version_h" = xyes; then :
   ac_pa_use_alsa=1
 
@@ -5964 +5989 @@
   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 :
+if ${ac_cv_lib_samplerate_src_new+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -5998 +6023 @@
 { $as_echo "$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$ac_cv_lib_samplerate_src_new" = x""yes; then :
+if test "x$ac_cv_lib_samplerate_src_new" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSAMPLERATE 1
@@ -6056 +6081 @@
                         { $as_echo "$as_me:${as_lineno-$LINENO}: result: Using SDL prefix... $with_sdl" >&5
 $as_echo "Using SDL prefix... $with_sdl" >&6; }
-                        for ac_prog in sdl-config sdl2-config
+                        for ac_prog in sdl2-config sdl-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
@@ -6062 +6087 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_SDL_CONFIG+set}" = set; then :
+if ${ac_cv_path_SDL_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6076 +6101 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_SDL_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
@@ -6102 +6127 @@
 
                   else
-                        for ac_prog in sdl-config sdl2-config
+                        for ac_prog in sdl2-config sdl-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
@@ -6108 +6133 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_SDL_CONFIG+set}" = set; then :
+if ${ac_cv_path_SDL_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6122 +6147 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_SDL_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
@@ -6215 +6240 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_prog_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6227 +6252 @@
   test -z "$as_dir" && as_dir=.
     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 as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_PKG_CONFIG="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
@@ -6304 +6329 @@
                         { $as_echo "$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 :
+if ${ac_cv_lib_avdevice_avdevice_version+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6338 +6363 @@
 { $as_echo "$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$ac_cv_lib_avdevice_avdevice_version" = x""yes; then :
+if test "x$ac_cv_lib_avdevice_avdevice_version" = xyes; then :
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVDEVICE=1"
                                       ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavdevice"
@@ -6347 +6372 @@
                         { $as_echo "$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 :
+if ${ac_cv_lib_avutil_av_malloc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6381 +6406 @@
 { $as_echo "$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$ac_cv_lib_avutil_av_malloc" = x""yes; then :
+if test "x$ac_cv_lib_avutil_av_malloc" = xyes; then :
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVUTIL=1"
                                       ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavutil"
@@ -6390 +6415 @@
                         { $as_echo "$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 :
+if ${ac_cv_lib_avcodec_avcodec_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6425 +6450 @@
 { $as_echo "$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$ac_cv_lib_avcodec_avcodec_init" = x""yes; then :
+if test "x$ac_cv_lib_avcodec_avcodec_init" = xyes; then :
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVCODEC=1"
                                       ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavcodec"
@@ -6433 +6458 @@
                         { $as_echo "$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 :
+if ${ac_cv_lib_avformat_av_register_all+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6468 +6493 @@
 { $as_echo "$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$ac_cv_lib_avformat_av_register_all" = x""yes; then :
+if test "x$ac_cv_lib_avformat_av_register_all" = xyes; then :
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVFORMAT=1"
                                       ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavformat"
@@ -6476 +6501 @@
                         { $as_echo "$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 :
+if ${ac_cv_lib_swscale_sws_scale+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6511 +6536 @@
 { $as_echo "$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$ac_cv_lib_swscale_sws_scale" = x""yes; then :
+if test "x$ac_cv_lib_swscale_sws_scale" = xyes; then :
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBSWSCALE=1"
                                       ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lswscale"
@@ -6519 +6544 @@
                         { $as_echo "$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 :
+if ${ac_cv_lib_avcore_avcore_version+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6553 +6578 @@
 { $as_echo "$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$ac_cv_lib_avcore_avcore_version" = x""yes; then :
+if test "x$ac_cv_lib_avcore_avcore_version" = xyes; then :
   ac_ffmpeg_cflags="$ac_ffmpeg_cflags -DPJMEDIA_HAS_LIBAVCORE=1"
                                       ac_ffmpeg_ldflags="$ac_ffmpeg_ldflags -lavcore"
@@ -6584 +6609 @@
                 { $as_echo "$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 :
+if ${ac_cv_lib_v4l2_v4l2_open+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -6618 +6643 @@
 { $as_echo "$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$ac_cv_lib_v4l2_v4l2_open" = x""yes; then :
+if test "x$ac_cv_lib_v4l2_v4l2_open" = xyes; then :
   ac_v4l2_cflags="-DPJMEDIA_VIDEO_DEV_HAS_V4L2=1"
                               ac_v4l2_ldflags="-lv4l2"
@@ -6779 +6804 @@
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "Error: unable to recognize your IPP installation. Make sure the paths and ARCH suffix are set correctly, run with --help for more info
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f core conftest.err conftest.$ac_objext \
@@ -6835 +6860 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
             fi
         else
@@ -6841 +6866 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
         fi
 
@@ -6849 +6874 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
             exit 1;
         fi
@@ -6863 +6888 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
         fi
 
@@ -6870 +6895 @@
 $as_echo "$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 ; }
+See \`config.log' for more details" "$LINENO" 5; }
         fi
 
@@ -6906 +6931 @@
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f core conftest.err conftest.$ac_objext \
@@ -6973 +6998 @@
 
                 ac_fn_c_check_header_mongrel "$LINENO" "openssl/ssl.h" "ac_cv_header_openssl_ssl_h" "$ac_includes_default"
-if test "x$ac_cv_header_openssl_ssl_h" = x""yes; then :
+if test "x$ac_cv_header_openssl_ssl_h" = xyes; then :
   openssl_h_present=1
 fi
@@ -6980 +7005 @@
                 { $as_echo "$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 :
+if ${ac_cv_lib_crypto_ERR_load_BIO_strings+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -7014 +7039 @@
 { $as_echo "$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$ac_cv_lib_crypto_ERR_load_BIO_strings" = x""yes; then :
+if test "x$ac_cv_lib_crypto_ERR_load_BIO_strings" = xyes; then :
   libcrypto_present=1 && LIBS="$LIBS -lcrypto"
 fi
@@ -7020 +7045 @@
                 { $as_echo "$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 :
+if ${ac_cv_lib_ssl_SSL_library_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -7054 +7079 @@
 { $as_echo "$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$ac_cv_lib_ssl_SSL_library_init" = x""yes; then :
+if test "x$ac_cv_lib_ssl_SSL_library_init" = xyes; then :
   libssl_present=1 && LIBS="$LIBS -lssl"
 fi
@@ -7112 +7137 @@
 
                 ac_fn_c_check_header_mongrel "$LINENO" "opencore-amrnb/interf_enc.h" "ac_cv_header_opencore_amrnb_interf_enc_h" "$ac_includes_default"
-if test "x$ac_cv_header_opencore_amrnb_interf_enc_h" = x""yes; then :
+if test "x$ac_cv_header_opencore_amrnb_interf_enc_h" = xyes; then :
   opencore_amrnb_h_present=1
 fi
@@ -7119 +7144 @@
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Encoder_Interface_init in -lopencore-amrnb" >&5
 $as_echo_n "checking for Encoder_Interface_init in -lopencore-amrnb... " >&6; }
-if test "${ac_cv_lib_opencore_amrnb_Encoder_Interface_init+set}" = set; then :
+if ${ac_cv_lib_opencore_amrnb_Encoder_Interface_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
@@ -7153 +7178 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_opencore_amrnb_Encoder_Interface_init" >&5
 $as_echo "$ac_cv_lib_opencore_amrnb_Encoder_Interface_init" >&6; }
-if test "x$ac_cv_lib_opencore_amrnb_Encoder_Interface_init" = x""yes; then :
+if test "x$ac_cv_lib_opencore_amrnb_Encoder_Interface_init" = xyes; then :
   opencore_amrnb_present=1 && LIBS="$LIBS -lopencore-amrnb"
 fi
@@ -7326 +7351 @@
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+        cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+          mv -f confcache "$cache_file"$$ &&
+          mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+          mv -f confcache "$cache_file" ;;
+        esac
+      fi
+    fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
@@ -7362 +7398 @@
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
@@ -7463 +7499 @@
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
@@ -7658 +7695 @@
     # 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'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
@@ -7727 +7764 @@
 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
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
@@ -7770 +7795 @@
 ac_log="
 This file was extended by pjproject $as_me 2.x, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7832 +7857 @@
 ac_cs_version="\\
 pjproject config.status 2.x
-configured by $0, generated by GNU Autoconf 2.67,
+configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
@@ -7923 +7948 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
   \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
@@ -7967 +7992 @@
     "third_party/build/portaudio/os-auto.mak") CONFIG_FILES="$CONFIG_FILES third_party/build/portaudio/os-auto.mak" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5 ;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
@@ -7989 +8014 @@
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
@@ -7999 +8025 @@
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
@@ -8005 +8031 @@
   (umask 077 && mkdir "$tmp")
 } || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
@@ -8026 +8053 @@
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
@@ -8054 +8081 @@
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
@@ -8102 +8129 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
@@ -8134 +8161 @@
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
   || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
@@ -8168 +8195 @@
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
@@ -8180 +8207 @@
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
     break
   elif $ac_last_try; then
@@ -8282 +8309 @@
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5 ;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
@@ -8301 +8328 @@
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
          # (if the path is not absolute).  The absolute path cannot be DOS-style,
@@ -8310 +8337 @@
            *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
            esac ||
-           as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5 ;;
+           as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
@@ -8336 +8363 @@
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5  ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
@@ -8462 +8489 @@
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 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"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[  ]*datarootdir[  ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
@@ -8473 +8501 @@
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
   esac \
   || as_fn_error $? "could not create $ac_file" "$LINENO" 5
@@ -8487 +8515 @@
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_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
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
+      mv "$ac_tmp/config.h" "$ac_file" \
         || as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
       || as_fn_error $? "could not create -" "$LINENO" 5
   fi

pjproject/trunk/aconfigure.ac

@@ -855 +855 @@
                   if test "x$with_sdl" != "xno" -a "x$with_sdl" != "x"; then
                         AC_MSG_RESULT([Using SDL prefix... $with_sdl])
-                        AC_PATH_PROGS(SDL_CONFIG,sdl-config sdl2-config,,$with_sdl/bin)
+                        AC_PATH_PROGS(SDL_CONFIG,sdl2-config sdl-config,,$with_sdl/bin)
                   else
-                        AC_PATH_PROGS(SDL_CONFIG, sdl-config sdl2-config)
+                        AC_PATH_PROGS(SDL_CONFIG, sdl2-config sdl-config)
                   fi