Index: pjproject/trunk/Makefile
===================================================================
--- pjproject/trunk/Makefile	(revision 699)
+++ pjproject/trunk/Makefile	(revision 700)
@@ -11,5 +11,5 @@
 	for dir in $(DIRS); do \
 	   if [ -d $$dir ]; then \
-		if make $(MAKE_FLAGS) -C $$dir/build $@; then \
+		if $(MAKE) $(MAKE_FLAGS) -C $$dir/build $@; then \
 		    true; \
 		else \
Index: pjproject/trunk/aconfigure
===================================================================
--- pjproject/trunk/aconfigure	(revision 699)
+++ pjproject/trunk/aconfigure	(revision 700)
@@ -1,8 +1,7 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.56 for pjproject 0.5.8.
+# Generated by GNU Autoconf 2.59 for pjproject 0.5.8.
 #
-# Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
-# Free Software Foundation, Inc.
+# Copyright (C) 2003 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
@@ -21,7 +20,8 @@
   set -o posix
 fi
+DUALCASE=1; export DUALCASE # for MKS sh
 
 # Support unset when possible.
-if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
   as_unset=unset
 else
@@ -42,5 +42,5 @@
   LC_TELEPHONE LC_TIME
 do
-  if (set +x; test -n "`(eval $as_var=C; export $as_var) 2>&1`"); then
+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
     eval $as_var=C; export $as_var
   else
@@ -219,4 +219,5 @@
   as_mkdir_p=:
 else
+  test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
@@ -225,8 +226,8 @@
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed 'y%*$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="sed y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
@@ -667,5 +668,5 @@
 # Be sure to have absolute paths.
 for ac_var in bindir sbindir libexecdir datadir sysconfdir sharedstatedir \
-              localstatedir libdir includedir oldincludedir infodir mandir
+	      localstatedir libdir includedir oldincludedir infodir mandir
 do
   eval ac_val=$`echo $ac_var`
@@ -707,8 +708,8 @@
   ac_confdir=`(dirname "$0") 2>/dev/null ||
 $as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$0" : 'X\(//\)[^/]' \| \
-         X"$0" : 'X\(//\)$' \| \
-         X"$0" : 'X\(/\)' \| \
-         .     : '\(.\)' 2>/dev/null ||
+	 X"$0" : 'X\(//\)[^/]' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$0" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
@@ -810,7 +811,7 @@
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
-                          [$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
@@ -856,4 +857,5 @@
   --disable-floating-point
                           Disable floating point where possible
+  --disable-sound         Exclude sound (i.e. use null sound)
   --disable-small-filter  Exclude small filter in resampling
   --disable-large-filter  Exclude large filter in resampling
@@ -913,10 +915,43 @@
     ac_top_srcdir=$ac_top_builddir$srcdir ;;
 esac
-# Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be
-# absolute.
-ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd`
-ac_abs_top_builddir=`cd "$ac_dir" && cd ${ac_top_builddir}. && pwd`
-ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd`
-ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
+
+# Do not use `cd foo && pwd` to compute absolute paths, because
+# the directories may not exist.
+case `pwd` in
+.) ac_abs_builddir="$ac_dir";;
+*)
+  case "$ac_dir" in
+  .) ac_abs_builddir=`pwd`;;
+  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
+  *) ac_abs_builddir=`pwd`/"$ac_dir";;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_builddir=${ac_top_builddir}.;;
+*)
+  case ${ac_top_builddir}. in
+  .) ac_abs_top_builddir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
+  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_srcdir=$ac_srcdir;;
+*)
+  case $ac_srcdir in
+  .) ac_abs_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
+  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_srcdir=$ac_top_srcdir;;
+*)
+  case $ac_top_srcdir in
+  .) ac_abs_top_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
+  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
+  esac;;
+esac
 
     cd $ac_dir
@@ -929,5 +964,5 @@
       $SHELL $ac_srcdir/configure  --help=recursive
     elif test -f $ac_srcdir/configure.ac ||
-           test -f $ac_srcdir/configure.in; then
+	   test -f $ac_srcdir/configure.in; then
       echo
       $ac_configure --help
@@ -943,8 +978,7 @@
   cat <<\_ACEOF
 pjproject configure 0.5.8
-generated by GNU Autoconf 2.56
-
-Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
-Free Software Foundation, Inc.
+generated by GNU Autoconf 2.59
+
+Copyright (C) 2003 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
@@ -958,5 +992,5 @@
 
 It was created by pjproject $as_me 0.5.8, which was
-generated by GNU Autoconf 2.56.  Invocation command line was
+generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@
@@ -1035,17 +1069,17 @@
       ac_configure_args1="$ac_configure_args1 '$ac_arg'"
       if test $ac_must_keep_next = true; then
-        ac_must_keep_next=false # Got value, back to normal.
+	ac_must_keep_next=false # Got value, back to normal.
       else
-        case $ac_arg in
-          *=* | --config-cache | -C | -disable-* | --disable-* \
-          | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
-          | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
-          | -with-* | --with-* | -without-* | --without-* | --x)
-            case "$ac_configure_args0 " in
-              "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
-            esac
-            ;;
-          -* ) ac_must_keep_next=true ;;
-        esac
+	case $ac_arg in
+	  *=* | --config-cache | -C | -disable-* | --disable-* \
+	  | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+	  | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+	  | -with-* | --with-* | -without-* | --without-* | --x)
+	    case "$ac_configure_args0 " in
+	      "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+	    esac
+	    ;;
+	  -* ) ac_must_keep_next=true ;;
+	esac
       fi
       ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
@@ -1081,10 +1115,10 @@
     *ac_space=\ *)
       sed -n \
-        "s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
-    	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
+	"s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
       ;;
     *)
       sed -n \
-        "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
       ;;
     esac;
@@ -1115,5 +1149,5 @@
       do
 	eval ac_val=$`echo $ac_var`
-        echo "$ac_var='"'"'$ac_val'"'"'"
+	echo "$ac_var='"'"'$ac_val'"'"'"
       done | sort
       echo
@@ -1134,5 +1168,5 @@
     echo "$as_me: exit $exit_status"
   } >&5
-  rm -f core core.* *.core &&
+  rm -f core *.core &&
   rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
@@ -1214,5 +1248,5 @@
 ac_cache_corrupted=false
 for ac_var in `(set) 2>&1 |
-               sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
+	       sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
   eval ac_old_set=\$ac_cv_env_${ac_var}_set
   eval ac_new_set=\$ac_env_${ac_var}_set
@@ -1231,11 +1265,11 @@
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+	{ echo "$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:$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:$LINENO:   current value: $ac_new_val" >&5
 echo "$as_me:   current value: $ac_new_val" >&2;}
-        ac_cache_corrupted=:
+	ac_cache_corrupted=:
       fi;;
   esac
@@ -1740,5 +1774,4 @@
 
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -1760,6 +1793,6 @@
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-echo "$as_me:$LINENO: checking for C compiler default output" >&5
-echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6
+echo "$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[^ ]*//'`
 if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
@@ -1781,21 +1814,21 @@
   case $ac_file in
     *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj )
-        ;;
+	;;
     conftest.$ac_ext )
-        # This is the source file.
-        ;;
+	# This is the source file.
+	;;
     [ab].out )
-        # We found the default executable, but exeext='' is most
-        # certainly right.
-        break;;
+	# We found the default executable, but exeext='' is most
+	# certainly right.
+	break;;
     *.* )
-        ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-        # FIXME: I believe we export ac_cv_exeext for Libtool,
-        # but it would be cool to find out if it's true.  Does anybody
-        # maintain Libtool? --akim.
-        export ac_cv_exeext
-        break;;
+	ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+	# FIXME: I believe we export ac_cv_exeext for Libtool,
+	# but it would be cool to find out if it's true.  Does anybody
+	# maintain Libtool? --akim.
+	export ac_cv_exeext
+	break;;
     * )
-        break;;
+	break;;
   esac
 done
@@ -1871,6 +1904,6 @@
     *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;;
     *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
-          export ac_cv_exeext
-          break;;
+	  export ac_cv_exeext
+	  break;;
     * ) break;;
   esac
@@ -1897,5 +1930,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -1948,5 +1980,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -1968,9 +1999,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -1985,5 +2026,5 @@
 ac_compiler_gnu=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
@@ -2001,5 +2042,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2018,9 +2058,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2035,5 +2085,5 @@
 ac_cv_prog_cc_g=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
@@ -2062,5 +2112,4 @@
 ac_save_CC=$CC
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2090,4 +2139,14 @@
   return s;
 }
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
+   function prototypes and stuff, but not '\xHH' hex character constants.
+   These don't provoke an error unfortunately, instead are silently treated
+   as 'x'.  The following induces an error, until -std1 is added to get
+   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an
+   array size at least.  It's necessary to write '\x00'==0 to get something
+   that's true only with -std1.  */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
 int test (int i, double x);
 struct s1 {int (*f) (int a);};
@@ -2116,9 +2175,19 @@
   rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2133,5 +2202,5 @@
 
 fi
-rm -f conftest.$ac_objext
+rm -f conftest.err conftest.$ac_objext
 done
 rm -f conftest.$ac_ext conftest.$ac_objext
@@ -2161,9 +2230,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2172,6 +2251,5 @@
   (exit $ac_status); }; }; then
   for ac_declaration in \
-   ''\
-   '#include <stdlib.h>' \
+   '' \
    'extern "C" void std::exit (int) throw (); using std::exit;' \
    'extern "C" void std::exit (int); using std::exit;' \
@@ -2181,5 +2259,4 @@
 do
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2187,6 +2264,6 @@
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
+$ac_declaration
 #include <stdlib.h>
-$ac_declaration
 int
 main ()
@@ -2199,9 +2276,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2216,7 +2303,6 @@
 continue
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2235,9 +2321,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2251,5 +2347,5 @@
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 rm -f conftest*
@@ -2265,5 +2361,5 @@
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -2391,5 +2487,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2411,9 +2506,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2428,5 +2533,5 @@
 ac_compiler_gnu=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
 
@@ -2444,5 +2549,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2461,9 +2565,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2478,5 +2592,5 @@
 ac_cv_prog_cxx_g=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 echo "$as_me:$LINENO: result: $ac_cv_prog_cxx_g" >&5
@@ -2498,6 +2612,5 @@
 fi
 for ac_declaration in \
-   ''\
-   '#include <stdlib.h>' \
+   '' \
    'extern "C" void std::exit (int) throw (); using std::exit;' \
    'extern "C" void std::exit (int); using std::exit;' \
@@ -2507,5 +2620,4 @@
 do
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2513,6 +2625,6 @@
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
+$ac_declaration
 #include <stdlib.h>
-$ac_declaration
 int
 main ()
@@ -2525,9 +2637,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2542,7 +2664,6 @@
 continue
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2561,9 +2682,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2577,5 +2708,5 @@
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 done
 rm -f conftest*
@@ -2609,5 +2740,4 @@
 LIBS="-lpthread  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2633,9 +2763,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2650,5 +2790,6 @@
 ac_cv_lib_pthread_pthread_create=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -2673,5 +2814,4 @@
 LIBS="-lwsock32  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2697,9 +2837,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2714,5 +2864,6 @@
 ac_cv_lib_wsock32_puts=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -2737,5 +2888,4 @@
 LIBS="-lws2_32  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2761,9 +2911,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2778,5 +2938,6 @@
 ac_cv_lib_ws2_32_puts=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -2801,5 +2962,4 @@
 LIBS="-lole32  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2825,9 +2985,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2842,5 +3012,6 @@
 ac_cv_lib_ole32_puts=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -2865,5 +3036,4 @@
 LIBS="-lwinmm  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2889,9 +3059,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2906,5 +3086,6 @@
 ac_cv_lib_winmm_puts=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -2929,5 +3110,4 @@
 LIBS="-lsocket  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -2953,9 +3133,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -2970,5 +3160,6 @@
 ac_cv_lib_socket_puts=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -2993,5 +3184,4 @@
 LIBS="-lrt  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3017,9 +3207,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3034,5 +3234,6 @@
 ac_cv_lib_rt_puts=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -3057,5 +3258,4 @@
 LIBS="-lnsl  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3081,9 +3281,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3098,5 +3308,6 @@
 ac_cv_lib_nsl_puts=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -3120,4 +3331,26 @@
 
 
+echo "$as_me:$LINENO: checking memory alignment" >&5
+echo $ECHO_N "checking memory alignment... $ECHO_C" >&6
+case $target in
+    ia64-* | x86_64-* )
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_POOL_ALIGNMENT 8
+_ACEOF
+
+	echo "$as_me:$LINENO: result: 8 bytes" >&5
+echo "${ECHO_T}8 bytes" >&6
+	;;
+    * )
+	cat >>confdefs.h <<\_ACEOF
+#define PJ_POOL_ALIGNMENT 4
+_ACEOF
+
+	echo "$as_me:$LINENO: result: 4 bytes (default)" >&5
+echo "${ECHO_T}4 bytes (default)" >&6
+	;;
+esac
+
+
 echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5
 echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6
@@ -3127,5 +3360,4 @@
   # See if sys/param.h defines the BYTE_ORDER macro.
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3149,9 +3381,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3161,5 +3403,4 @@
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3183,9 +3424,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3200,5 +3451,5 @@
 ac_cv_c_bigendian=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 else
   echo "$as_me: failed program was:" >&5
@@ -3210,5 +3461,4 @@
   ac_cv_c_bigendian=unknown
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3232,9 +3482,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3258,8 +3518,7 @@
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3300,8 +3559,8 @@
 ac_cv_c_bigendian=yes
 fi
-rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
@@ -3399,5 +3658,4 @@
 LIBS="-lm  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3423,9 +3681,19 @@
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3440,5 +3708,6 @@
 ac_cv_lib_m_fmod=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
@@ -3481,8 +3750,9 @@
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
   # 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 >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3490,6 +3760,10 @@
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <assert.h>
-                     Syntax error
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
@@ -3503,4 +3777,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -3523,5 +3798,4 @@
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3541,4 +3815,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -3582,8 +3857,9 @@
   # Use a header file that comes with gcc, so configuring glibc
   # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
   # 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 >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3591,6 +3867,10 @@
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <assert.h>
-                     Syntax error
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
@@ -3604,4 +3884,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -3624,5 +3905,4 @@
   # can be detected and how.
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3642,4 +3922,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -3702,5 +3983,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3723,9 +4003,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3740,10 +4030,9 @@
 ac_cv_header_stdc=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3767,5 +4056,4 @@
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3792,5 +4080,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3804,7 +4091,7 @@
 #else
 # define ISLOWER(c) \
-                   (('a' <= (c) && (c) <= 'i') \
-                     || ('j' <= (c) && (c) <= 'r') \
-                     || ('s' <= (c) && (c) <= 'z'))
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
 # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
 #endif
@@ -3817,5 +4104,5 @@
   for (i = 0; i < 256; i++)
     if (XOR (islower (i), ISLOWER (i))
-        || toupper (i) != TOUPPER (i))
+	|| toupper (i) != TOUPPER (i))
       exit(2);
   exit (0);
@@ -3842,5 +4129,5 @@
 ac_cv_header_stdc=no
 fi
-rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
 fi
 fi
@@ -3867,5 +4154,5 @@
 
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-                  inttypes.h stdint.h unistd.h
+		  inttypes.h stdint.h unistd.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
@@ -3876,5 +4163,4 @@
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3888,9 +4174,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3905,5 +4201,5 @@
 eval "$as_ac_Header=no"
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
@@ -3932,5 +4228,4 @@
 echo $ECHO_N "checking arpa/inet.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3943,9 +4238,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -3960,5 +4265,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -3968,5 +4273,4 @@
 echo $ECHO_N "checking arpa/inet.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -3986,4 +4290,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4005,30 +4310,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: arpa/inet.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: arpa/inet.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -4069,5 +4373,4 @@
 echo $ECHO_N "checking assert.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4080,9 +4383,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4097,5 +4410,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -4105,5 +4418,4 @@
 echo $ECHO_N "checking assert.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4123,4 +4435,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4142,30 +4455,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: assert.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: assert.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -4206,5 +4518,4 @@
 echo $ECHO_N "checking ctype.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4217,9 +4528,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4234,5 +4555,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -4242,5 +4563,4 @@
 echo $ECHO_N "checking ctype.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4260,4 +4580,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4279,30 +4600,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: ctype.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: ctype.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -4352,5 +4672,4 @@
 echo $ECHO_N "checking errno.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4363,9 +4682,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4380,5 +4709,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -4388,5 +4717,4 @@
 echo $ECHO_N "checking errno.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4406,4 +4734,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4425,30 +4754,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: errno.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: errno.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -4492,5 +4820,4 @@
 echo $ECHO_N "checking linux/socket.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4503,9 +4830,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4520,5 +4857,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -4528,5 +4865,4 @@
 echo $ECHO_N "checking linux/socket.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4546,4 +4882,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4565,30 +4902,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: linux/socket.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: linux/socket.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -4629,5 +4965,4 @@
 echo $ECHO_N "checking malloc.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4640,9 +4975,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4657,5 +5002,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -4665,5 +5010,4 @@
 echo $ECHO_N "checking malloc.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4683,4 +5027,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4702,30 +5047,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: malloc.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: malloc.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -4766,5 +5110,4 @@
 echo $ECHO_N "checking netdb.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4777,9 +5120,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4794,5 +5147,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -4802,5 +5155,4 @@
 echo $ECHO_N "checking netdb.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4820,4 +5172,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4839,30 +5192,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: netdb.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: netdb.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -4903,5 +5255,4 @@
 echo $ECHO_N "checking netinet/in.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4914,9 +5265,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4931,5 +5292,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -4939,5 +5300,4 @@
 echo $ECHO_N "checking netinet/in.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -4957,4 +5317,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -4976,30 +5337,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: netinet/in.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: netinet/in.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5040,5 +5400,4 @@
 echo $ECHO_N "checking setjmp.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5051,9 +5410,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5068,5 +5437,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -5076,5 +5445,4 @@
 echo $ECHO_N "checking setjmp.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5094,4 +5462,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -5113,30 +5482,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: setjmp.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: setjmp.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5177,5 +5545,4 @@
 echo $ECHO_N "checking stdarg.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5188,9 +5555,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5205,5 +5582,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -5213,5 +5590,4 @@
 echo $ECHO_N "checking stdarg.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5231,4 +5607,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -5250,30 +5627,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: stdarg.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: stdarg.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5314,5 +5690,4 @@
 echo $ECHO_N "checking stddef.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5325,9 +5700,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5342,5 +5727,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -5350,5 +5735,4 @@
 echo $ECHO_N "checking stddef.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5368,4 +5752,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -5387,30 +5772,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: stddef.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: stddef.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5451,5 +5835,4 @@
 echo $ECHO_N "checking stdio.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5462,9 +5845,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5479,5 +5872,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -5487,5 +5880,4 @@
 echo $ECHO_N "checking stdio.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5505,4 +5897,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -5524,30 +5917,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: stdio.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: stdio.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5588,5 +5980,4 @@
 echo $ECHO_N "checking stdlib.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5599,9 +5990,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5616,5 +6017,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -5624,5 +6025,4 @@
 echo $ECHO_N "checking stdlib.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5642,4 +6042,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -5661,30 +6062,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: stdlib.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: stdlib.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5725,5 +6125,4 @@
 echo $ECHO_N "checking string.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5736,9 +6135,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5753,5 +6162,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -5761,5 +6170,4 @@
 echo $ECHO_N "checking string.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5779,4 +6187,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -5798,30 +6207,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: string.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: string.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5862,5 +6270,4 @@
 echo $ECHO_N "checking sys/ioctl.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5873,9 +6280,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5890,5 +6307,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -5898,5 +6315,4 @@
 echo $ECHO_N "checking sys/ioctl.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -5916,4 +6332,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -5935,30 +6352,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: sys/ioctl.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: sys/ioctl.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -5999,5 +6415,4 @@
 echo $ECHO_N "checking sys/select.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6010,9 +6425,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6027,5 +6452,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6035,5 +6460,4 @@
 echo $ECHO_N "checking sys/select.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6053,4 +6477,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -6072,30 +6497,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: sys/select.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: sys/select.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -6136,5 +6560,4 @@
 echo $ECHO_N "checking sys/socket.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6147,9 +6570,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6164,5 +6597,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6172,5 +6605,4 @@
 echo $ECHO_N "checking sys/socket.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6190,4 +6622,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -6209,30 +6642,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: sys/socket.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: sys/socket.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -6273,5 +6705,4 @@
 echo $ECHO_N "checking sys/time.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6284,9 +6715,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6301,5 +6742,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6309,5 +6750,4 @@
 echo $ECHO_N "checking sys/time.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6327,4 +6767,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -6346,30 +6787,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: sys/time.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: sys/time.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -6410,5 +6850,4 @@
 echo $ECHO_N "checking sys/timeb.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6421,9 +6860,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6438,5 +6887,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6446,5 +6895,4 @@
 echo $ECHO_N "checking sys/timeb.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6464,4 +6912,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -6483,30 +6932,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: sys/timeb.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: sys/timeb.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -6547,5 +6995,4 @@
 echo $ECHO_N "checking sys/types.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6558,9 +7005,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6575,5 +7032,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6583,5 +7040,4 @@
 echo $ECHO_N "checking sys/types.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6601,4 +7057,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -6620,30 +7077,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: sys/types.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: sys/types.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -6684,5 +7140,4 @@
 echo $ECHO_N "checking time.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6695,9 +7150,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6712,5 +7177,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6720,5 +7185,4 @@
 echo $ECHO_N "checking time.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6738,4 +7202,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -6757,30 +7222,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: time.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: time.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -6821,5 +7285,4 @@
 echo $ECHO_N "checking unistd.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6832,9 +7295,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6849,5 +7322,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6857,5 +7330,4 @@
 echo $ECHO_N "checking unistd.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6875,4 +7347,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -6894,30 +7367,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: unistd.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: unistd.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -6958,5 +7430,4 @@
 echo $ECHO_N "checking mswsock.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -6969,9 +7440,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -6986,5 +7467,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -6994,5 +7475,4 @@
 echo $ECHO_N "checking mswsock.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7012,4 +7492,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -7031,30 +7512,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
     { echo "$as_me:$LINENO: WARNING: mswsock.h: accepted by the compiler, rejected by the preprocessor!" >&5
 echo "$as_me: WARNING: mswsock.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: mswsock.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: mswsock.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: mswsock.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: mswsock.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: mswsock.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: mswsock.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: mswsock.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: mswsock.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: mswsock.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: mswsock.h:     section \"Present But Cannot Be Compiled\"" >&2;}
     { echo "$as_me:$LINENO: WARNING: mswsock.h: proceeding with the preprocessor's result" >&5
 echo "$as_me: WARNING: mswsock.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: mswsock.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: mswsock.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  no:yes )
-    { echo "$as_me:$LINENO: WARNING: mswsock.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: mswsock.h: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: mswsock.h: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: mswsock.h: check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: mswsock.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: mswsock.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -7095,5 +7575,4 @@
 echo $ECHO_N "checking winsock.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7106,9 +7585,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7123,5 +7612,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -7131,5 +7620,4 @@
 echo $ECHO_N "checking winsock.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7149,4 +7637,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -7168,30 +7657,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: winsock.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: winsock.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -7232,5 +7720,4 @@
 echo $ECHO_N "checking winsock2.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7243,9 +7730,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7260,5 +7757,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -7268,5 +7765,4 @@
 echo $ECHO_N "checking winsock2.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7286,4 +7782,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -7305,30 +7802,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: winsock2.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: winsock2.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -7402,5 +7898,4 @@
 echo $ECHO_N "checking if inet_aton is available... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7419,9 +7914,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7442,10 +7947,9 @@
 echo "${ECHO_T}no" >&6
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$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
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7467,9 +7971,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7490,10 +8004,9 @@
 echo "${ECHO_T}no" >&6
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$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
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7501,5 +8014,5 @@
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <unistd.h>
+#include <sys/socket.h>
 int
 main ()
@@ -7512,9 +8025,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7535,5 +8058,5 @@
 echo "${ECHO_T}no" >&6
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
 echo "$as_me:$LINENO: checking if SO_ERROR is available" >&5
@@ -7550,5 +8073,4 @@
     *)
 	cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7570,9 +8092,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7593,5 +8125,5 @@
 echo "${ECHO_T}no" >&6
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 	;;
 esac
@@ -7601,5 +8133,4 @@
 echo $ECHO_N "checking if pthread_rwlock_t is available... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7618,9 +8149,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7645,5 +8186,5 @@
 echo "${ECHO_T}no" >&6
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
@@ -7660,5 +8201,19 @@
 
 
-case $target in
+# Check whether --enable-sound or --disable-sound was given.
+if test "${enable_sound+set}" = set; then
+  enableval="$enable_sound"
+  if test "$enable_sound" = "no"; then
+		ac_pjmedia_snd=null
+		echo "$as_me:$LINENO: result: Checking if sound is disabled... yes" >&5
+echo "${ECHO_T}Checking if sound is disabled... yes" >&6
+	       fi
+
+fi;
+
+if test "$enable_sound" = "no"; then
+  true;
+else
+ case $target in
   *darwin*)
 	ac_pjmedia_snd=pa_darwinos
@@ -7692,5 +8247,4 @@
 echo $ECHO_N "checking alsa/version.h usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7703,9 +8257,19 @@
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
+  (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 $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -7720,5 +8284,5 @@
 ac_header_compiler=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
@@ -7728,5 +8292,4 @@
 echo $ECHO_N "checking alsa/version.h presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
@@ -7746,4 +8309,5 @@
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
   else
     ac_cpp_err=
@@ -7765,30 +8329,29 @@
 
 # So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc in
-  yes:no )
+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 "$as_me: WARNING: alsa/version.h: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
-## ------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-  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: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: alsa/version.h: proceeding with the preprocessor's result" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------ ##
-## Report this to bug-autoconf@gnu.org. ##
+## Report this to the pjproject lists.  ##
 ## ------------------------------------ ##
 _ASBOX
@@ -7822,5 +8385,6 @@
 echo "${ECHO_T}Checking sound device backend... unix" >&6
 	;;
-esac
+ esac
+fi
 
 
@@ -8097,11 +8661,11 @@
       # substitution turns \\\\ into \\, and sed turns \\ into \).
       sed -n \
-        "s/'/'\\\\''/g;
-    	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
       ;;
     *)
       # `set' quotes correctly as required by POSIX, so do not add quotes.
       sed -n \
-        "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+	"s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
       ;;
     esac;
@@ -8133,11 +8697,11 @@
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[ 	]*VPATH[ 	]*=/{
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
 s/:*\$(srcdir):*/:/;
 s/:*\${srcdir}:*/:/;
 s/:*@srcdir@:*/:/;
-s/^\([^=]*=[ 	]*\):*/\1/;
+s/^\([^=]*=[	 ]*\):*/\1/;
 s/:*$//;
-s/^[^=]*=[ 	]*$//;
+s/^[^=]*=[	 ]*$//;
 }'
 fi
@@ -8150,5 +8714,5 @@
   # 1. Remove the extension, and $U if already installed.
   ac_i=`echo "$ac_i" |
-         sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
+	 sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
   # 2. Add them.
   ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
@@ -8194,7 +8758,8 @@
   set -o posix
 fi
+DUALCASE=1; export DUALCASE # for MKS sh
 
 # Support unset when possible.
-if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
   as_unset=unset
 else
@@ -8215,5 +8780,5 @@
   LC_TELEPHONE LC_TIME
 do
-  if (set +x; test -n "`(eval $as_var=C; export $as_var) 2>&1`"); then
+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
     eval $as_var=C; export $as_var
   else
@@ -8394,4 +8959,5 @@
   as_mkdir_p=:
 else
+  test -d ./-p && rmdir ./-p
   as_mkdir_p=false
 fi
@@ -8400,8 +8966,8 @@
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="sed y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed 'y%*$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="sed y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
@@ -8430,5 +8996,5 @@
 
 This file was extended by pjproject $as_me 0.5.8, which was
-generated by GNU Autoconf 2.56.  Invocation command line was
+generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -8474,7 +9040,7 @@
       --recheck    update $as_me by reconfiguring in the same conditions
   --file=FILE[:TEMPLATE]
-                   instantiate the configuration file FILE
+		   instantiate the configuration file FILE
   --header=FILE[:TEMPLATE]
-                   instantiate the configuration header FILE
+		   instantiate the configuration header FILE
 
 Configuration files:
@@ -8490,9 +9056,8 @@
 ac_cs_version="\\
 pjproject config.status 0.5.8
-configured by $0, generated by GNU Autoconf 2.56,
+configured by $0, generated by GNU Autoconf 2.59,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
-Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
-Free Software Foundation, Inc.
+Copyright (C) 2003 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
@@ -8755,7 +9320,7 @@
   /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
       if test -z "$ac_sed_cmds"; then
-  	ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
+	ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
       else
-  	ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
+	ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
       fi
       ac_sed_frag=`expr $ac_sed_frag + 1`
@@ -8775,9 +9340,9 @@
   case $ac_file in
   - | *:- | *:-:* ) # input from stdin
-        cat >$tmp/stdin
-        ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-        ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+	cat >$tmp/stdin
+	ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
   *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-        ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
   * )   ac_file_in=$ac_file.in ;;
   esac
@@ -8786,8 +9351,8 @@
   ac_dir=`(dirname "$ac_file") 2>/dev/null ||
 $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$ac_file" : 'X\(//\)[^/]' \| \
-         X"$ac_file" : 'X\(//\)$' \| \
-         X"$ac_file" : 'X\(/\)' \| \
-         .     : '\(.\)' 2>/dev/null ||
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
@@ -8805,8 +9370,8 @@
       as_dir=`(dirname "$as_dir") 2>/dev/null ||
 $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$as_dir" : 'X\(//\)[^/]' \| \
-         X"$as_dir" : 'X\(//\)$' \| \
-         X"$as_dir" : 'X\(/\)' \| \
-         .     : '\(.\)' 2>/dev/null ||
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
@@ -8846,10 +9411,43 @@
     ac_top_srcdir=$ac_top_builddir$srcdir ;;
 esac
-# Don't blindly perform a `cd "$ac_dir"/$ac_foo && pwd` since $ac_foo can be
-# absolute.
-ac_abs_builddir=`cd "$ac_dir" && cd $ac_builddir && pwd`
-ac_abs_top_builddir=`cd "$ac_dir" && cd ${ac_top_builddir}. && pwd`
-ac_abs_srcdir=`cd "$ac_dir" && cd $ac_srcdir && pwd`
-ac_abs_top_srcdir=`cd "$ac_dir" && cd $ac_top_srcdir && pwd`
+
+# Do not use `cd foo && pwd` to compute absolute paths, because
+# the directories may not exist.
+case `pwd` in
+.) ac_abs_builddir="$ac_dir";;
+*)
+  case "$ac_dir" in
+  .) ac_abs_builddir=`pwd`;;
+  [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
+  *) ac_abs_builddir=`pwd`/"$ac_dir";;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_builddir=${ac_top_builddir}.;;
+*)
+  case ${ac_top_builddir}. in
+  .) ac_abs_top_builddir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
+  *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_srcdir=$ac_srcdir;;
+*)
+  case $ac_srcdir in
+  .) ac_abs_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
+  *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
+  esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_srcdir=$ac_top_srcdir;;
+*)
+  case $ac_top_srcdir in
+  .) ac_abs_top_srcdir=$ac_abs_builddir;;
+  [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
+  *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
+  esac;;
+esac
 
 
@@ -8869,5 +9467,5 @@
   fi
   configure_input=$configure_input"Generated from `echo $ac_file_in |
-                                     sed 's,.*/,,'` by configure."
+				     sed 's,.*/,,'` by configure."
 
   # First look for the input files in the build tree, otherwise in the
@@ -8878,22 +9476,22 @@
       -) echo $tmp/stdin ;;
       [\\/$]*)
-         # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+	 # Absolute (can't be DOS-style, as IFS=:)
+	 test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
-         echo $f;;
+	 echo "$f";;
       *) # Relative
-         if test -f "$f"; then
-           # Build tree
-           echo $f
-         elif test -f "$srcdir/$f"; then
-           # Source tree
-           echo $srcdir/$f
-         else
-           # /dev/null tree
-           { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+	 if test -f "$f"; then
+	   # Build tree
+	   echo "$f"
+	 elif test -f "$srcdir/$f"; then
+	   # Source tree
+	   echo "$srcdir/$f"
+	 else
+	   # /dev/null tree
+	   { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
-         fi;;
+	 fi;;
       esac
     done` || { (exit 1); exit 1; }
@@ -8936,10 +9534,10 @@
 #
 # ac_d sets the value in "#define NAME VALUE" lines.
-ac_dA='s,^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'
-ac_dB='[ 	].*$,\1#\2'
+ac_dA='s,^\([	 ]*\)#\([	 ]*define[	 ][	 ]*\)'
+ac_dB='[	 ].*$,\1#\2'
 ac_dC=' '
 ac_dD=',;t'
 # ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
-ac_uA='s,^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
+ac_uA='s,^\([	 ]*\)#\([	 ]*\)undef\([	 ][	 ]*\)'
 ac_uB='$,\1#\2define\3'
 ac_uC=' '
@@ -8950,9 +9548,9 @@
   case $ac_file in
   - | *:- | *:-:* ) # input from stdin
-        cat >$tmp/stdin
-        ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-        ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+	cat >$tmp/stdin
+	ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
   *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
-        ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+	ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
   * )   ac_file_in=$ac_file.in ;;
   esac
@@ -8968,26 +9566,27 @@
       -) echo $tmp/stdin ;;
       [\\/$]*)
-         # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+	 # Absolute (can't be DOS-style, as IFS=:)
+	 test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
-         echo $f;;
+	 # Do quote $f, to prevent DOS paths from being IFS'd.
+	 echo "$f";;
       *) # Relative
-         if test -f "$f"; then
-           # Build tree
-           echo $f
-         elif test -f "$srcdir/$f"; then
-           # Source tree
-           echo $srcdir/$f
-         else
-           # /dev/null tree
-           { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+	 if test -f "$f"; then
+	   # Build tree
+	   echo "$f"
+	 elif test -f "$srcdir/$f"; then
+	   # Source tree
+	   echo "$srcdir/$f"
+	 else
+	   # /dev/null tree
+	   { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
-         fi;;
+	 fi;;
       esac
     done` || { (exit 1); exit 1; }
   # Remove the trailing spaces.
-  sed 's/[ 	]*$//' $ac_file_inputs >$tmp/in
+  sed 's/[	 ]*$//' $ac_file_inputs >$tmp/in
 
 _ACEOF
@@ -9012,7 +9611,7 @@
 t clear
 : clear
-s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	(][^ 	(]*\)\(([^)]*)\)[ 	]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp
+s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 (][^	 (]*\)\(([^)]*)\)[	 ]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp
 t end
-s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	][^ 	]*\)[ 	]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
+s,^[	 ]*#[	 ]*define[	 ][	 ]*\([^	 ][^	 ]*\)[	 ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
 : end
 _ACEOF
@@ -9028,5 +9627,5 @@
 # on some systems where configure will not decide to define it.
 cat >>conftest.undefs <<\_ACEOF
-s,^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
+s,^[	 ]*#[	 ]*undef[	 ][	 ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
 _ACEOF
 
@@ -9034,5 +9633,5 @@
 # of here documents, and old seds have small limits too (100 cmds).
 echo '  # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS
-echo '  if grep "^[ 	]*#[ 	]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS
+echo '  if grep "^[	 ]*#[	 ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS
 echo '  # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS
 echo '  :' >>$CONFIG_STATUS
@@ -9043,5 +9642,5 @@
   echo '  cat >$tmp/defines.sed <<CEOF' >>$CONFIG_STATUS
   # Speed up: don't consider the non `#define' lines.
-  echo '/^[ 	]*#[ 	]*define/!b' >>$CONFIG_STATUS
+  echo '/^[	 ]*#[	 ]*define/!b' >>$CONFIG_STATUS
   # Work around the forget-to-reset-the-flag bug.
   echo 't clr' >>$CONFIG_STATUS
@@ -9070,5 +9669,5 @@
   echo '  cat >$tmp/undefs.sed <<CEOF' >>$CONFIG_STATUS
   # Speed up: don't consider the non `#undef'
-  echo '/^[ 	]*#[ 	]*undef/!b' >>$CONFIG_STATUS
+  echo '/^[	 ]*#[	 ]*undef/!b' >>$CONFIG_STATUS
   # Work around the forget-to-reset-the-flag bug.
   echo 't clr' >>$CONFIG_STATUS
@@ -9104,8 +9703,8 @@
       ac_dir=`(dirname "$ac_file") 2>/dev/null ||
 $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$ac_file" : 'X\(//\)[^/]' \| \
-         X"$ac_file" : 'X\(//\)$' \| \
-         X"$ac_file" : 'X\(/\)' \| \
-         .     : '\(.\)' 2>/dev/null ||
+	 X"$ac_file" : 'X\(//\)[^/]' \| \
+	 X"$ac_file" : 'X\(//\)$' \| \
+	 X"$ac_file" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
@@ -9123,8 +9722,8 @@
       as_dir=`(dirname "$as_dir") 2>/dev/null ||
 $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-         X"$as_dir" : 'X\(//\)[^/]' \| \
-         X"$as_dir" : 'X\(//\)$' \| \
-         X"$as_dir" : 'X\(/\)' \| \
-         .     : '\(.\)' 2>/dev/null ||
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| \
+	 .     : '\(.\)' 2>/dev/null ||
 echo X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
Index: pjproject/trunk/aconfigure.ac
===================================================================
--- pjproject/trunk/aconfigure.ac	(revision 699)
+++ pjproject/trunk/aconfigure.ac	(revision 700)
@@ -28,4 +28,20 @@
 AC_MSG_RESULT([Setting PJ_M_NAME to $target_cpu])
 AC_DEFINE_UNQUOTED(PJ_M_NAME,["$target_cpu"])
+
+dnl
+dnl Memory alignment detection
+dnl
+AC_MSG_CHECKING([memory alignment])
+case $target in
+    ia64-* | x86_64-* )
+	AC_DEFINE(PJ_POOL_ALIGNMENT, 8)
+	AC_MSG_RESULT([8 bytes])
+	;;
+    * )
+	AC_DEFINE(PJ_POOL_ALIGNMENT, 4)
+	AC_MSG_RESULT([4 bytes (default)])
+	;;
+esac
+
 
 dnl
@@ -151,5 +167,5 @@
 dnl # Determine if socklen_t is available
 AC_MSG_CHECKING([if socklen_t is available])
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]],
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]],
 		    		   [socklen_t xxx = 0;])],
 		  [AC_DEFINE(PJ_HAS_SOCKLEN_T,1)
@@ -204,5 +220,17 @@
 dnl # Sound device backend selection
 AC_SUBST(ac_pjmedia_snd)
-case $target in
+AC_ARG_ENABLE(sound,
+	      AC_HELP_STRING([--disable-sound],
+			     [Exclude sound (i.e. use null sound)]),
+	      [if test "$enable_sound" = "no"; then
+		[ac_pjmedia_snd=null]
+		AC_MSG_RESULT([Checking if sound is disabled... yes])
+	       fi]
+	      )
+
+if test "$enable_sound" = "no"; then
+  true;
+else
+ case $target in
   *darwin*)
 	ac_pjmedia_snd=pa_darwinos
@@ -227,5 +255,6 @@
 	AC_MSG_RESULT([Checking sound device backend... unix])
 	;;
-esac
+ esac
+fi
 
 dnl # Include resampling small filter
Index: pjproject/trunk/pjlib/include/pj/compat/os_auto.h.in
===================================================================
--- pjproject/trunk/pjlib/include/pj/compat/os_auto.h.in	(revision 699)
+++ pjproject/trunk/pjlib/include/pj/compat/os_auto.h.in	(revision 700)
@@ -134,4 +134,7 @@
 #undef PJ_NATIVE_STRING_IS_UNICODE
 
+/* Pool alignment in bytes */
+#undef PJ_POOL_ALIGNMENT
+
 /* The type of atomic variable value: */
 #undef PJ_ATOMIC_VALUE_TYPE
