diff --git a/configure b/configure
index e512a082d..1f229584d 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.13.1 
+# Generated automatically using autoconf version 2.13 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -357,7 +357,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.13.1"
+    echo "configure generated by autoconf version 2.13"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -517,7 +517,7 @@ done
 
 if test -r "$cache_file"; then
   echo "loading cache $cache_file"
-      test -f "$cache_file" && . $cache_file
+  . $cache_file
 else
   echo "creating cache $cache_file"
   > $cache_file
@@ -600,130 +600,9 @@ done
 if test -z "$ac_aux_dir"; then
   { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
 fi
-ac_config_guess="$SHELL $ac_aux_dir/config.guess"
-ac_config_sub="$SHELL $ac_aux_dir/config.sub"
-ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
-
-
-echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:610: checking host system type" >&5
-if test "x$ac_cv_host" = "x" || (test "x$host" != "xNONE" && test "x$host" != "x$ac_cv_host_alias"); then
-
-# Make sure we can run config.sub.
-  if $ac_config_sub sun4 >/dev/null 2>&1; then :
-    else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
-  fi
-
-  ac_cv_host_alias=$host
-  case "$ac_cv_host_alias" in
-  NONE)
-    case $nonopt in
-    NONE)
-      if ac_cv_host_alias=`$ac_config_guess`; then :
-      else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
-      fi ;;
-    *) ac_cv_host_alias=$nonopt ;;
-    esac ;;
-  esac
-
-  ac_cv_host=`$ac_config_sub $ac_cv_host_alias`
-  ac_cv_host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-  ac_cv_host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-  ac_cv_host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-else
-  echo $ac_n "(cached) $ac_c" 1>&6
-fi
-
-echo "$ac_t""$ac_cv_host" 1>&6
-
-host=$ac_cv_host
-host_alias=$ac_cv_host_alias
-host_cpu=$ac_cv_host_cpu
-host_vendor=$ac_cv_host_vendor
-host_os=$ac_cv_host_os
-
-
-
-
-
-echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:651: checking target system type" >&5
-if test "x$ac_cv_target" = "x" || (test "x$target" != "xNONE" && test "x$target" != "x$ac_cv_target_alias"); then
-
-# Make sure we can run config.sub.
-  if $ac_config_sub sun4 >/dev/null 2>&1; then :
-    else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
-  fi
-
-  ac_cv_target_alias=$target
-  case "$ac_cv_target_alias" in
-  NONE)
-    case $nonopt in
-    NONE)
-      ac_cv_target_alias=$host_alias ;;
-
-    *) ac_cv_target_alias=$nonopt ;;
-    esac ;;
-  esac
-
-  ac_cv_target=`$ac_config_sub $ac_cv_target_alias`
-  ac_cv_target_cpu=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-  ac_cv_target_vendor=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-  ac_cv_target_os=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-else
-  echo $ac_n "(cached) $ac_c" 1>&6
-fi
-
-echo "$ac_t""$ac_cv_target" 1>&6
-
-target=$ac_cv_target
-target_alias=$ac_cv_target_alias
-target_cpu=$ac_cv_target_cpu
-target_vendor=$ac_cv_target_vendor
-target_os=$ac_cv_target_os
-
-
-
-
-
-echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:691: checking build system type" >&5
-if test "x$ac_cv_build" = "x" || (test "x$build" != "xNONE" && test "x$build" != "x$ac_cv_build_alias"); then
-
-# Make sure we can run config.sub.
-  if $ac_config_sub sun4 >/dev/null 2>&1; then :
-    else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
-  fi
-
-  ac_cv_build_alias=$build
-  case "$ac_cv_build_alias" in
-  NONE)
-    case $nonopt in
-    NONE)
-      ac_cv_build_alias=$host_alias ;;
-
-    *) ac_cv_build_alias=$nonopt ;;
-    esac ;;
-  esac
-
-  ac_cv_build=`$ac_config_sub $ac_cv_build_alias`
-  ac_cv_build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-  ac_cv_build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-  ac_cv_build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
-else
-  echo $ac_n "(cached) $ac_c" 1>&6
-fi
-
-echo "$ac_t""$ac_cv_build" 1>&6
-
-build=$ac_cv_build
-build_alias=$ac_cv_build_alias
-build_cpu=$ac_cv_build_cpu
-build_vendor=$ac_cv_build_vendor
-build_os=$ac_cv_build_os
-
-
-
+ac_config_guess=$ac_aux_dir/config.guess
+ac_config_sub=$ac_aux_dir/config.sub
+ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 
 
 # Do some error checking and defaulting for the host and target type.
@@ -746,6 +625,69 @@ NONE---*---* | *---NONE---* | *---*---NONE) ;;
 *) { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; } ;;
 esac
 
+
+# Make sure we can run config.sub.
+if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
+else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking host system type""... $ac_c" 1>&6
+echo "configure:636: checking host system type" >&5
+
+host_alias=$host
+case "$host_alias" in
+NONE)
+  case $nonopt in
+  NONE)
+    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
+    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
+    fi ;;
+  *) host_alias=$nonopt ;;
+  esac ;;
+esac
+
+host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
+host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$host" 1>&6
+
+echo $ac_n "checking target system type""... $ac_c" 1>&6
+echo "configure:657: checking target system type" >&5
+
+target_alias=$target
+case "$target_alias" in
+NONE)
+  case $nonopt in
+  NONE) target_alias=$host_alias ;;
+  *) target_alias=$nonopt ;;
+  esac ;;
+esac
+
+target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
+target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$target" 1>&6
+
+echo $ac_n "checking build system type""... $ac_c" 1>&6
+echo "configure:675: checking build system type" >&5
+
+build_alias=$build
+case "$build_alias" in
+NONE)
+  case $nonopt in
+  NONE) build_alias=$host_alias ;;
+  *) build_alias=$nonopt ;;
+  esac ;;
+esac
+
+build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
+build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$build" 1>&6
+
 test "$host_alias" != "$target_alias" &&
   test "$program_prefix$program_suffix$program_transform_name" = \
     NONENONEs,x,x, &&
@@ -758,8 +700,8 @@ test "$host_alias" != "$target_alias" &&
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:762: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
+echo "configure:704: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -788,8 +730,8 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:792: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
+echo "configure:734: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -835,12 +777,12 @@ fi
 
   if test -z "$CC"; then
     case "`uname -s`" in
-    *win32* | *WIN32* | *CYGWIN*)
+    *win32* | *WIN32*)
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:843: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_prog_CC+set}\" = set"; then
+echo "configure:785: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
@@ -870,8 +812,8 @@ fi
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:875: checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) works" >&5
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:817: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -882,12 +824,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 886 "configure"
+#line 828 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:891: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -912,14 +854,14 @@ echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
 if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
-echo $ac_n "checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:917: checking whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:859: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:922: checking whether we are using GNU C" >&5
-if eval "test \"\${ac_cv_prog_gcc+set}\" = set"; then
+echo "configure:864: checking whether we are using GNU C" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
@@ -927,7 +869,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:931: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:873: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -946,8 +888,8 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:950: checking whether ${CC-cc} accepts -g" >&5
-if eval "test \"\${ac_cv_prog_cc_g+set}\" = set"; then
+echo "configure:892: checking whether ${CC-cc} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
@@ -978,13 +920,13 @@ else
 fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:982: checking how to run the C preprocessor" >&5
+echo "configure:924: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-if eval "test \"\${ac_cv_prog_CPP+set}\" = set"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     # This must be in double quotes, not single quotes, because CPP may get
@@ -993,13 +935,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 997 "configure"
+#line 939 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1003: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:945: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1010,13 +952,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1014 "configure"
+#line 956 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1020: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:962: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1027,13 +969,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1031 "configure"
+#line 973 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1037: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:979: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1061,8 +1003,8 @@ echo "$ac_t""$CPP" 1>&6
 # Extract the first word of "whoami", so it can be a program name with args.
 set dummy whoami; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1065: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_path_WHOAMI+set}\" = set"; then
+echo "configure:1007: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_WHOAMI'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$WHOAMI" in
@@ -1096,12 +1038,12 @@ fi
 
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:1100: checking for Cygwin environment" >&5
-if eval "test \"\${ac_cv_cygwin+set}\" = set"; then
+echo "configure:1042: checking for Cygwin environment" >&5
+if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1105 "configure"
+#line 1047 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1112,7 +1054,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:1116: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1058: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -1122,25 +1064,26 @@ else
   ac_cv_cygwin=no
 fi
 rm -f conftest*
+rm -f conftest*
 fi
 
 echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:1132: checking for mingw32 environment" >&5
-if eval "test \"\${ac_cv_mingw32+set}\" = set"; then
+echo "configure:1075: checking for mingw32 environment" >&5
+if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1137 "configure"
+#line 1080 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:1144: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1087: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -1150,57 +1093,29 @@ else
   ac_cv_mingw32=no
 fi
 rm -f conftest*
+rm -f conftest*
 fi
 
 echo "$ac_t""$ac_cv_mingw32" 1>&6
 MINGW32=
 test "$ac_cv_mingw32" = yes && MINGW32=yes
-echo $ac_n "checking for EMX OS/2 environment""... $ac_c" 1>&6
-echo "configure:1160: checking for EMX OS/2 environment" >&5
-if eval "test \"\${ac_cv_emxos2+set}\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 1165 "configure"
-#include "confdefs.h"
-
-int main() {
-return __EMX__;
-; return 0; }
-EOF
-if { (eval echo configure:1172: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  ac_cv_emxos2=yes
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  ac_cv_emxos2=no
-fi
-rm -f conftest*
-fi
-
-echo "$ac_t""$ac_cv_emxos2" 1>&6
-EMXOS2=
-test "$ac_cv_emxos2" = yes && EMXOS2=yes
-
 
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1191: checking for executable suffix" >&5
-if eval "test \"\${ac_cv_exeext+set}\" = set"; then
+echo "configure:1106: checking for executable suffix" >&5
+if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-  if test "$CYGWIN" = yes || test "$MINGW32" = yes || test "$EMXOS2" = yes; then
+  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
   ac_cv_exeext=.exe
 else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1201: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1116: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
-      *.c | *.C | *.o | *.obj | *.xcoff) ;;
+      *.c | *.o | *.obj) ;;
       *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
       esac
     done
@@ -1230,16 +1145,16 @@ esac
 # Find out if nested functions work on this machine
 #----------------------------------------------------------------
 echo $ac_n "checking whether nested functions work""... $ac_c" 1>&6
-echo "configure:1234: checking whether nested functions work" >&5
+echo "configure:1149: checking whether nested functions work" >&5
 if test "$cross_compiling" = yes; then
   gcc_nested=1
 else
   cat > conftest.$ac_ext <<EOF
-#line 1239 "configure"
+#line 1154 "configure"
 #include "confdefs.h"
 #include "$srcdir/config/config.nested.c"
 EOF
-if { (eval echo configure:1243: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1158: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gcc_nested=1
 else
@@ -1269,7 +1184,7 @@ fi
 #--------------------------------------------------------------------
 OBJC_RUNTIME_LIB=`echo $LIBRARY_COMBO | tr '-' ' ' | awk '{print $1}'`
 echo $ac_n "checking the Objective-C runtime""... $ac_c" 1>&6
-echo "configure:1273: checking the Objective-C runtime" >&5
+echo "configure:1188: checking the Objective-C runtime" >&5
 if test "$OBJC_RUNTIME_LIB" = "nx"; then
   echo "$ac_t""NeXT" 1>&6
   LIBOBJC='-lobjc'
@@ -1308,17 +1223,17 @@ for ac_hdr in objc/objc.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1312: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:1227: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1317 "configure"
+#line 1232 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1322: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1237: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1356,7 +1271,7 @@ fi
 #--------------------------------------------------------------------
 #
 echo $ac_n "checking for objc threading flags""... $ac_c" 1>&6
-echo "configure:1360: checking for objc threading flags" >&5
+echo "configure:1275: checking for objc threading flags" >&5
 #
 # Get them from gnustep-make which contains the real code to get them
 #
@@ -1368,14 +1283,14 @@ echo "$ac_t""$objc_threaded" 1>&6
 # Byte order information needed for foundation headers.
 #--------------------------------------------------------------------
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:1372: checking whether byte ordering is bigendian" >&5
-if eval "test \"\${ac_cv_c_bigendian+set}\" = set"; then
+echo "configure:1287: checking whether byte ordering is bigendian" >&5
+if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 1379 "configure"
+#line 1294 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1386,11 +1301,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1390: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1305: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 1394 "configure"
+#line 1309 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1401,7 +1316,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1405: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1320: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -1421,7 +1336,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1425 "configure"
+#line 1340 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -1434,7 +1349,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:1438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1353: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -1468,15 +1383,15 @@ fi
 # Type size information needed for foundation headers.
 #--------------------------------------------------------------------
 echo $ac_n "checking size of void*""... $ac_c" 1>&6
-echo "configure:1472: checking size of void*" >&5
-if eval "test \"\${ac_cv_sizeof_voidp+set}\" = set"; then
+echo "configure:1387: checking size of void*" >&5
+if eval "test \"`echo '$''{'ac_cv_sizeof_voidp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1480 "configure"
+#line 1395 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1487,7 +1402,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1491: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1406: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_voidp=`cat conftestval`
 else
@@ -1513,15 +1428,15 @@ GS_UINT8="unsigned char"
 
 
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:1517: checking size of short" >&5
-if eval "test \"\${ac_cv_sizeof_short+set}\" = set"; then
+echo "configure:1432: checking size of short" >&5
+if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1525 "configure"
+#line 1440 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1532,7 +1447,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1536: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -1554,15 +1469,15 @@ EOF
 
 
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:1558: checking size of int" >&5
-if eval "test \"\${ac_cv_sizeof_int+set}\" = set"; then
+echo "configure:1473: checking size of int" >&5
+if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1566 "configure"
+#line 1481 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1573,7 +1488,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1577: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1492: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -1595,15 +1510,15 @@ EOF
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:1599: checking size of long" >&5
-if eval "test \"\${ac_cv_sizeof_long+set}\" = set"; then
+echo "configure:1514: checking size of long" >&5
+if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1607 "configure"
+#line 1522 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1614,7 +1529,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1618: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1533: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -1636,15 +1551,15 @@ EOF
 
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:1640: checking size of long long" >&5
-if eval "test \"\${ac_cv_sizeof_long_long+set}\" = set"; then
+echo "configure:1555: checking size of long long" >&5
+if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1648 "configure"
+#line 1563 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1655,7 +1570,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1574: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -1677,15 +1592,15 @@ EOF
 
 
 echo $ac_n "checking size of float""... $ac_c" 1>&6
-echo "configure:1681: checking size of float" >&5
-if eval "test \"\${ac_cv_sizeof_float+set}\" = set"; then
+echo "configure:1596: checking size of float" >&5
+if eval "test \"`echo '$''{'ac_cv_sizeof_float'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1689 "configure"
+#line 1604 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1696,7 +1611,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1700: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_float=`cat conftestval`
 else
@@ -1718,15 +1633,15 @@ EOF
 
 
 echo $ac_n "checking size of double""... $ac_c" 1>&6
-echo "configure:1722: checking size of double" >&5
-if eval "test \"\${ac_cv_sizeof_double+set}\" = set"; then
+echo "configure:1637: checking size of double" >&5
+if eval "test \"`echo '$''{'ac_cv_sizeof_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1730 "configure"
+#line 1645 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -1737,7 +1652,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1741: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1656: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_double=`cat conftestval`
 else
@@ -1941,8 +1856,8 @@ fi
 #	Defines CON_AUTOLOAD (whether constructor functions are autoloaded)
 #--------------------------------------------------------------------
 echo $ac_n "checking loading of constructor functions""... $ac_c" 1>&6
-echo "configure:1945: checking loading of constructor functions" >&5
-if eval "test \"\${objc_cv_con_autoload+set}\" = set"; then
+echo "configure:1860: checking loading of constructor functions" >&5
+if eval "test \"`echo '$''{'objc_cv_con_autoload'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.constructor.c <<EOF
@@ -1982,17 +1897,17 @@ fi
 DYNAMIC_LINKER=null
 ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:1986: checking for dlfcn.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:1901: checking for dlfcn.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1991 "configure"
+#line 1906 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1996: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1911: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2016,17 +1931,17 @@ fi
 if test $DYNAMIC_LINKER = null; then
   ac_safe=`echo "dl.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dl.h""... $ac_c" 1>&6
-echo "configure:2020: checking for dl.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:1935: checking for dl.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2025 "configure"
+#line 1940 "configure"
 #include "confdefs.h"
 #include <dl.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2030: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1945: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2051,17 +1966,17 @@ fi
 if test $DYNAMIC_LINKER = null; then
   ac_safe=`echo "windows.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for windows.h""... $ac_c" 1>&6
-echo "configure:2055: checking for windows.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:1970: checking for windows.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2060 "configure"
+#line 1975 "configure"
 #include "confdefs.h"
 #include <windows.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2065: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1980: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2086,17 +2001,17 @@ fi
 if test $DYNAMIC_LINKER = null; then
   ac_safe=`echo "dld/defs.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld/defs.h""... $ac_c" 1>&6
-echo "configure:2090: checking for dld/defs.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2005: checking for dld/defs.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2095 "configure"
+#line 2010 "configure"
 #include "confdefs.h"
 #include <dld/defs.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2100: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2015: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2121,14 +2036,14 @@ fi
 
 if test $DYNAMIC_LINKER = simple; then
   cat > conftest.$ac_ext <<EOF
-#line 2125 "configure"
+#line 2040 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 int main() {
 dladdr(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:2132: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2047: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_DLADDR 1
@@ -2144,11 +2059,10 @@ fi
 
 
 #---------------------------------------------------------------------
-# Guess if we are using a compiler which has the (GNU extension) +load 
-# method which is executed before main.  
-# Defines HAVE_LOAD_METHOD if +load methods are called before main.
-# Needed by NSProcessInfo.m
-#--------------------------------------------------------------------
+# Guess if we are using a compiler which allows us to change the class
+# to be used for constant strings by using the -fconstant-string-class
+# option.  If that is the case, we change it to NSConstantString.
+#---------------------------------------------------------------------
 saved_LIBS="$LIBS"
 saved_CPPFLAGS="$CPPFLAGS"
 LIBS="$LIBS $LIBOBJC"
@@ -2157,20 +2071,73 @@ if test x"$objc_threaded" != x""; then
   LIBS="$LIBS $objc_threaded"
 fi
 LIBS="$LIBS $extra_LIBS"
+CPPFLAGS="$CPPFLAGS -fconstant-string-class=NSConstantString"
+echo $ac_n "checking if the compiler support -fconstant-string-class""... $ac_c" 1>&6
+echo "configure:2077: checking if the compiler support -fconstant-string-class" >&5
+if eval "test \"`echo '$''{'objc_compiler_supports_constant_string_class'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$cross_compiling" = yes; then
+  objc_compiler_supports_constant_string_class=no
+else
+  cat > conftest.$ac_ext <<EOF
+#line 2085 "configure"
+#include "confdefs.h"
+#include "$srcdir/config/config.constant-string-class.m"
+EOF
+if { (eval echo configure:2089: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+  objc_compiler_supports_constant_string_class=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  objc_compiler_supports_constant_string_class=no
+fi
+rm -fr conftest*
+fi
+
+
+fi
+
+if test $objc_compiler_supports_constant_string_class = yes; then
+  NX_CONST_STRING_CPPFLAGS="-fconstant-string-class=NSConstantString"
+  NX_CONST_STRING_CLASS=NSConstantString
+  echo "$ac_t""yes" 1>&6
+else
+  NX_CONST_STRING_CPPFLAGS=""
+  NX_CONST_STRING_CLASS=NXConstantString
+  echo "$ac_t""no" 1>&6
+fi
+
+
+
+
+CPPFLAGS="$saved_CPPFLAGS"
+# Don't revert LIBS, need it for the next test
+
+#---------------------------------------------------------------------
+# Guess if we are using a compiler which has the (GNU extension) +load 
+# method which is executed before main.  
+# Defines HAVE_LOAD_METHOD if +load methods are called before main.
+# Needed by NSProcessInfo.m
+#---------------------------------------------------------------------
+saved_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS -x objective-c"
 echo $ac_n "checking if +load method is executed before main""... $ac_c" 1>&6
-echo "configure:2162: checking if +load method is executed before main" >&5
-if eval "test \"\${objc_load_method_worked+set}\" = set"; then
+echo "configure:2129: checking if +load method is executed before main" >&5
+if eval "test \"`echo '$''{'objc_load_method_worked'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
   objc_load_method_worked=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 2170 "configure"
+#line 2137 "configure"
 #include "confdefs.h"
 #include "$srcdir/config/config.loadtest.m"
 EOF
-if { (eval echo configure:2174: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   objc_load_method_worked=yes
 else
@@ -2206,12 +2173,12 @@ CPPFLAGS="$saved_CPPFLAGS"
 for ac_func in objc_condition_timedwait objc_thread_add
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2210: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:2177: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2215 "configure"
+#line 2182 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2220,7 +2187,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -2230,12 +2196,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:2239: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2205: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2261,7 +2227,7 @@ done
 
 
 cat > conftest.$ac_ext <<EOF
-#line 2265 "configure"
+#line 2231 "configure"
 #include "confdefs.h"
 #include <objc/objc-api.h>
 EOF
@@ -2282,12 +2248,12 @@ LIBS="$saved_LIBS"
 # Generic settings needed by NSZone.m
 #--------------------------------------------------------------------
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2286: checking for ANSI C header files" >&5
-if eval "test \"\${ac_cv_header_stdc+set}\" = set"; then
+echo "configure:2252: checking for ANSI C header files" >&5
+if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2291 "configure"
+#line 2257 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2295,7 +2261,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2299: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2265: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2312,7 +2278,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2316 "configure"
+#line 2282 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2330,7 +2296,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2334 "configure"
+#line 2300 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2351,7 +2317,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2355 "configure"
+#line 2321 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2362,7 +2328,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2332: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2386,12 +2352,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:2390: checking for size_t" >&5
-if eval "test \"\${ac_cv_type_size_t+set}\" = set"; then
+echo "configure:2356: checking for size_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2395 "configure"
+#line 2361 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -2402,40 +2368,38 @@ EOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "(^|[^a-zA-Z_0-9])size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
   rm -rf conftest*
-  eval "ac_cv_type_size_t=yes"
+  ac_cv_type_size_t=yes
 else
   rm -rf conftest*
-  eval "ac_cv_type_size_t=no"
+  ac_cv_type_size_t=no
 fi
 rm -f conftest*
 
 fi
-if eval "test \"`echo '$ac_cv_type_'size_t`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-  cat >> confdefs.h <<EOF
+echo "$ac_t""$ac_cv_type_size_t" 1>&6
+if test $ac_cv_type_size_t = no; then
+  cat >> confdefs.h <<\EOF
 #define size_t unsigned
 EOF
 
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:2425: checking for inline" >&5
-if eval "test \"\${ac_cv_c_inline+set}\" = set"; then
+echo "configure:2389: checking for inline" >&5
+if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 2432 "configure"
+#line 2396 "configure"
 #include "confdefs.h"
 
 int main() {
-} $ac_kw foo() {
+} int $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:2439: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2403: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -2465,12 +2429,12 @@ esac
 # Following header checks needed for bzero in Storage.m and other places
 #--------------------------------------------------------------------
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2469: checking for ANSI C header files" >&5
-if eval "test \"\${ac_cv_header_stdc+set}\" = set"; then
+echo "configure:2433: checking for ANSI C header files" >&5
+if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2474 "configure"
+#line 2438 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2478,7 +2442,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2482: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2446: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2495,7 +2459,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2499 "configure"
+#line 2463 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2513,7 +2477,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2517 "configure"
+#line 2481 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2534,7 +2498,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2538 "configure"
+#line 2502 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2545,7 +2509,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2549: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2572,17 +2536,17 @@ for ac_hdr in string.h memory.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2576: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2540: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2581 "configure"
+#line 2545 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2586: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2550: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2616,17 +2580,17 @@ for ac_hdr in values.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2620: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2584: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2625 "configure"
+#line 2589 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2630: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2594: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2660,17 +2624,17 @@ for ac_hdr in sys/stat.h sys/vfs.h sys/statfs.h sys/statvfs.h pwd.h grp.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2664: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2628: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2669 "configure"
+#line 2633 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2674: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2638: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2700,17 +2664,17 @@ for ac_hdr in sys/mount.h sys/types.h windows.h locale.h langinfo.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2704: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2668: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2709 "configure"
+#line 2673 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2714: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2678: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2738,22 +2702,22 @@ done
 
 saved_LIBS="$LIBS"
 echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:2742: checking for main in -lm" >&5
-ac_lib_var=`echo m'_'main | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:2706: checking for main in -lm" >&5
+ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2750 "configure"
+#line 2714 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2757: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2721: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2783,12 +2747,12 @@ fi
 for ac_func in statvfs symlink readlink geteuid getlogin getpwnam getpwuid rint
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2787: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:2751: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2792 "configure"
+#line 2756 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2797,7 +2761,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -2807,12 +2770,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:2816: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2779: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2846,17 +2809,17 @@ for ac_hdr in sys/time.h sys/rusage.h ucbinclude/sys/resource.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2850: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2813: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2855 "configure"
+#line 2818 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2860: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2823: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2890,17 +2853,17 @@ for ac_hdr in sys/socket.h netinet/in.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2894: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2857: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2899 "configure"
+#line 2862 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2904: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2867: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2934,17 +2897,17 @@ for ac_hdr in syslog.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2938: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:2901: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2943 "configure"
+#line 2906 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2948: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2911: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2973,12 +2936,12 @@ done
 for ac_func in syslog
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2977: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:2940: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2982 "configure"
+#line 2945 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2987,7 +2950,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -2997,12 +2959,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2968: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3033,12 +2995,12 @@ done
 for ac_func in vsprintf vasprintf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3037: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:2999: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3042 "configure"
+#line 3004 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3047,7 +3009,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3057,12 +3018,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3066: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3091,11 +3052,11 @@ if test $ac_cv_func_vsprintf = yes ; then
   VSPRINTF_RETURNS_LENGTH=1
 else
   cat > conftest.$ac_ext <<EOF
-#line 3095 "configure"
+#line 3056 "configure"
 #include "confdefs.h"
 #include "$srcdir/config/config.vsprintf.c"
 EOF
-if { (eval echo configure:3099: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   VSPRINTF_RETURNS_LENGTH=1
 else
@@ -3117,11 +3078,11 @@ if test $ac_cv_func_vasprintf = yes ; then
   VASPRINTF_RETURNS_LENGTH=1
 else
   cat > conftest.$ac_ext <<EOF
-#line 3121 "configure"
+#line 3082 "configure"
 #include "confdefs.h"
 #include "$srcdir/config/config.vasprintf.c"
 EOF
-if { (eval echo configure:3125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3086: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   VASPRINTF_RETURNS_LENGTH=1
 else
@@ -3145,12 +3106,12 @@ fi
 for ac_func in getcwd
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3149: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3110: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3154 "configure"
+#line 3115 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3159,7 +3120,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3169,12 +3129,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3178: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3138: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3203,12 +3163,12 @@ for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:3207: checking for $ac_hdr that defines DIR" >&5
-if eval "test \"\${ac_cv_header_dirent_$ac_safe+set}\" = set"; then
+echo "configure:3167: checking for $ac_hdr that defines DIR" >&5
+if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3212 "configure"
+#line 3172 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -3216,7 +3176,7 @@ int main() {
 DIR *dirp = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3220: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3180: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_header_dirent_$ac_safe=yes"
 else
@@ -3241,15 +3201,15 @@ done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:3245: checking for opendir in -ldir" >&5
-ac_lib_var=`echo dir'_'opendir | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:3205: checking for opendir in -ldir" >&5
+ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3253 "configure"
+#line 3213 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3260,7 +3220,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:3264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3224: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3282,15 +3242,15 @@ fi
 
 else
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:3286: checking for opendir in -lx" >&5
-ac_lib_var=`echo x'_'opendir | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:3246: checking for opendir in -lx" >&5
+ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3294 "configure"
+#line 3254 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3301,7 +3261,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:3305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3265: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3331,17 +3291,17 @@ for ac_hdr in getopt.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3335: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:3295: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3340 "configure"
+#line 3300 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3345: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3305: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3374,12 +3334,12 @@ done
 for ac_func in valloc
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3378: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3338: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3383 "configure"
+#line 3343 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3388,7 +3348,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3398,12 +3357,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3407: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3434,12 +3393,12 @@ done
 for ac_func in times
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3438: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3397: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3443 "configure"
+#line 3402 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3448,7 +3407,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3458,12 +3416,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3467: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3425: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3494,12 +3452,12 @@ done
 for ac_func in mkstemp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3498: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3456: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3503 "configure"
+#line 3461 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3508,7 +3466,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3518,12 +3475,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3527: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3484: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3550,12 +3507,12 @@ done
 for ac_func in shmctl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3554: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3511: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3559 "configure"
+#line 3516 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3564,7 +3521,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3574,12 +3530,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3583: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3539: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3606,12 +3562,12 @@ done
 for ac_func in mmap
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3610: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3566: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3615 "configure"
+#line 3571 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3620,7 +3576,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3630,12 +3585,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3639: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3594: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3666,12 +3621,12 @@ done
 for ac_func in inet_aton
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3670: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3625: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3675 "configure"
+#line 3630 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3680,7 +3635,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3690,12 +3644,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3699: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3726,12 +3680,12 @@ done
 for ac_func in killpg setpgrp setpgid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3730: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3684: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3735 "configure"
+#line 3689 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3740,7 +3694,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3750,12 +3703,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3712: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3780,15 +3733,15 @@ fi
 done
 
 echo $ac_n "checking whether setpgrp takes no argument""... $ac_c" 1>&6
-echo "configure:3784: checking whether setpgrp takes no argument" >&5
-if eval "test \"\${ac_cv_func_setpgrp_void+set}\" = set"; then
+echo "configure:3737: checking whether setpgrp takes no argument" >&5
+if eval "test \"`echo '$''{'ac_cv_func_setpgrp_void'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
   { echo "configure: error: cannot check setpgrp if cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3792 "configure"
+#line 3745 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_UNISTD_H
@@ -3808,7 +3761,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3812: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3765: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_setpgrp_void=no
 else
@@ -3848,17 +3801,17 @@ for ac_hdr in libc.h limits.h malloc.h memory.h string.h signal.h sys/file.h sys
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3852: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:3805: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3857 "configure"
+#line 3810 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3862: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3815: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3891,12 +3844,12 @@ done
 for ac_func in usleep
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3895: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3848: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3900 "configure"
+#line 3853 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3905,7 +3858,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3915,12 +3867,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3924: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3951,12 +3903,12 @@ done
 for ac_func in strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3955: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:3907: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3960 "configure"
+#line 3912 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3965,7 +3917,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3975,12 +3926,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3984: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3935: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4009,16 +3960,16 @@ done
 # This type needed by GSFormat
 #--------------------------------------------------------------------
 echo $ac_n "checking whether stdint.h defines uintmax_t""... $ac_c" 1>&6
-echo "configure:4013: checking whether stdint.h defines uintmax_t" >&5
+echo "configure:3964: checking whether stdint.h defines uintmax_t" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4015 "configure"
+#line 3966 "configure"
 #include "confdefs.h"
 #include <stdint.h>
 int main() {
 int i = sizeof(uintmax_t); 
 ; return 0; }
 EOF
-if { (eval echo configure:4022: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3973: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   uintmax_t=1
 else
@@ -4039,9 +3990,9 @@ else
 fi
 
 echo $ac_n "checking whether precompiler handles LONG_LONG_MAX""... $ac_c" 1>&6
-echo "configure:4043: checking whether precompiler handles LONG_LONG_MAX" >&5
+echo "configure:3994: checking whether precompiler handles LONG_LONG_MAX" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4045 "configure"
+#line 3996 "configure"
 #include "confdefs.h"
 #include <stdint.h>
 	#include <limits.h>
@@ -4052,7 +4003,7 @@ cat > conftest.$ac_ext <<EOF
 	
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4056: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4007: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4078,17 +4029,17 @@ for ac_hdr in wchar.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4082: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:4033: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4087 "configure"
+#line 4038 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4092: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4043: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4119,12 +4070,12 @@ done
 # This function needed by NSString for handling of %@ printf directive.
 #--------------------------------------------------------------------
 echo $ac_n "checking for register_printf_function""... $ac_c" 1>&6
-echo "configure:4123: checking for register_printf_function" >&5
-if eval "test \"\${ac_cv_func_register_printf_function+set}\" = set"; then
+echo "configure:4074: checking for register_printf_function" >&5
+if eval "test \"`echo '$''{'ac_cv_func_register_printf_function'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4128 "configure"
+#line 4079 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char register_printf_function(); below.  */
@@ -4133,7 +4084,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char register_printf_function();
-char (*f)();
 
 int main() {
 
@@ -4143,12 +4093,12 @@ int main() {
 #if defined (__stub_register_printf_function) || defined (__stub___register_printf_function)
 choke me
 #else
-f = register_printf_function;
+register_printf_function();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4152: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4102: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_register_printf_function=yes"
 else
@@ -4173,11 +4123,11 @@ if test $register_printf = 1; then
   working_register_printf=1
 else
   cat > conftest.$ac_ext <<EOF
-#line 4177 "configure"
+#line 4127 "configure"
 #include "confdefs.h"
 #include "$srcdir/config/config.printf.c"
 EOF
-if { (eval echo configure:4181: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4131: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   working_register_printf=1
 else
@@ -4203,12 +4153,12 @@ fi
 for ac_func in realpath
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4207: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:4157: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4212 "configure"
+#line 4162 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4217,7 +4167,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -4227,12 +4176,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4236: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4185: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4262,15 +4211,15 @@ done
 # Used in critical cases by NSProcessInfo.m
 #--------------------------------------------------------------------
 echo $ac_n "checking program_invocation_name in C Library""... $ac_c" 1>&6
-echo "configure:4266: checking program_invocation_name in C Library" >&5
-if eval "test \"\${program_invocation_name_worked+set}\" = set"; then
+echo "configure:4215: checking program_invocation_name in C Library" >&5
+if eval "test \"`echo '$''{'program_invocation_name_worked'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
   program_invocation_name_worked=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4274 "configure"
+#line 4223 "configure"
 #include "confdefs.h"
 
 #include <string.h>
@@ -4282,7 +4231,7 @@ main (int argc, char *argv[])
 }
 
 EOF
-if { (eval echo configure:4286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4235: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   program_invocation_name_worked=yes
 else
@@ -4320,8 +4269,8 @@ fi
 
 
   echo $ac_n "checking kernel support for /proc filesystem""... $ac_c" 1>&6
-echo "configure:4324: checking kernel support for /proc filesystem" >&5
-if eval "test \"\${ac_cv_sys_procfs+set}\" = set"; then
+echo "configure:4273: checking kernel support for /proc filesystem" >&5
+if eval "test \"`echo '$''{'ac_cv_sys_procfs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$enable_procfs" = yes; then
@@ -4355,8 +4304,8 @@ EOF
  
 
   echo $ac_n "checking link to exe of process in /proc""... $ac_c" 1>&6
-echo "configure:4359: checking link to exe of process in /proc" >&5
-if eval "test \"\${ac_cv_sys_procfs_exe_link+set}\" = set"; then
+echo "configure:4308: checking link to exe of process in /proc" >&5
+if eval "test \"`echo '$''{'ac_cv_sys_procfs_exe_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$ac_cv_sys_procfs" = yes; then
@@ -4386,16 +4335,16 @@ EOF
 # Check if /proc/$$/cmdline terminates the last argument with a nul
 #--------------------------------------------------------------------
 echo $ac_n "checking /proc/$$/cmdline terminated by nul""... $ac_c" 1>&6
-echo "configure:4390: checking /proc/$$/cmdline terminated by nul" >&5
+echo "configure:4339: checking /proc/$$/cmdline terminated by nul" >&5
 if test "$cross_compiling" = yes; then
   CMDLINE_TERMINATED=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 4395 "configure"
+#line 4344 "configure"
 #include "confdefs.h"
 #include "$srcdir/config/config.proccmd.c"
 EOF
-if { (eval echo configure:4399: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   CMDLINE_TERMINATED=1
 else
@@ -4421,16 +4370,16 @@ fi
 # Check if short and int values need to be word aligned
 #--------------------------------------------------------------------
 echo $ac_n "checking short/int needs to be word aligned""... $ac_c" 1>&6
-echo "configure:4425: checking short/int needs to be word aligned" >&5
+echo "configure:4374: checking short/int needs to be word aligned" >&5
 if test "$cross_compiling" = yes; then
   NEED_WORD_ALIGNMENT=1
 else
   cat > conftest.$ac_ext <<EOF
-#line 4430 "configure"
+#line 4379 "configure"
 #include "confdefs.h"
 #include "$srcdir/config/config.align.c"
 EOF
-if { (eval echo configure:4434: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   NEED_WORD_ALIGNMENT=0
 else
@@ -4458,7 +4407,7 @@ fi
 # doesn't work. Allow NSProcessInfo initialization method also.
 #--------------------------------------------------------------------
 echo $ac_n "checking "use of pass-through arguments"""... $ac_c" 1>&6
-echo "configure:4462: checking "use of pass-through arguments"" >&5
+echo "configure:4411: checking "use of pass-through arguments"" >&5
 # Check whether --enable-pass-arguments or --disable-pass-arguments was given.
 if test "${enable_pass_arguments+set}" = set; then
   enableval="$enable_pass_arguments"
@@ -4480,7 +4429,7 @@ fi
 echo "$ac_t""$enable_pass_arguments" 1>&6
 
 echo $ac_n "checking "use of fake-main definition"""... $ac_c" 1>&6
-echo "configure:4484: checking "use of fake-main definition"" >&5
+echo "configure:4433: checking "use of fake-main definition"" >&5
 # Check whether --enable-fake-main or --disable-fake-main was given.
 if test "${enable_fake_main+set}" = set; then
   enableval="$enable_fake_main"
@@ -4540,17 +4489,17 @@ fi
 
 ac_safe=`echo "ffi.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for ffi.h""... $ac_c" 1>&6
-echo "configure:4544: checking for ffi.h" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:4493: checking for ffi.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4549 "configure"
+#line 4498 "configure"
 #include "confdefs.h"
 #include <ffi.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4554: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4503: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4574,9 +4523,9 @@ fi
 
 
 echo $ac_n "checking "for forwarding callback in runtime"""... $ac_c" 1>&6
-echo "configure:4578: checking "for forwarding callback in runtime"" >&5
+echo "configure:4527: checking "for forwarding callback in runtime"" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4580 "configure"
+#line 4529 "configure"
 #include "confdefs.h"
 #include <objc/objc-api.h>
 EOF
@@ -4594,17 +4543,17 @@ for ac_hdr in callback.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4598: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:4547: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4603 "configure"
+#line 4552 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4608: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4557: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4633,7 +4582,7 @@ done
 
 
 echo $ac_n "checking "FFI library usage"""... $ac_c" 1>&6
-echo "configure:4637: checking "FFI library usage"" >&5
+echo "configure:4586: checking "FFI library usage"" >&5
 WITH_FFI=none
 if test $enable_libffi = yes; then
   cat >> confdefs.h <<\EOF
@@ -4698,8 +4647,8 @@ fi
   # Extract the first word of "xml2-config", so it can be a program name with args.
 set dummy xml2-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4702: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_path_XML2_CONFIG+set}\" = set"; then
+echo "configure:4651: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_XML2_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$XML2_CONFIG" in
@@ -4735,8 +4684,8 @@ fi
     # Extract the first word of "xml-config", so it can be a program name with args.
 set dummy xml-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4739: checking for $ac_word" >&5
-if eval "test \"\${ac_cv_path_XML_CONFIG+set}\" = set"; then
+echo "configure:4688: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_XML_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$XML_CONFIG" in
@@ -4773,7 +4722,7 @@ fi
   fi
   min_xml_version=2.2.3
   echo $ac_n "checking for libxml - version >= $min_xml_version""... $ac_c" 1>&6
-echo "configure:4777: checking for libxml - version >= $min_xml_version" >&5
+echo "configure:4726: checking for libxml - version >= $min_xml_version" >&5
   no_xml=""
   if test "$XML_CONFIG" = "no" ; then
     no_xml=yes
@@ -4796,7 +4745,7 @@ echo "configure:4777: checking for libxml - version >= $min_xml_version" >&5
   echo $ac_n "cross compiling; assumed OK... $ac_c"
 else
   cat > conftest.$ac_ext <<EOF
-#line 4800 "configure"
+#line 4749 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -4871,7 +4820,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:4875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4824: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -4969,17 +4918,17 @@ for ac_hdr in openssl/ssl.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4973: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:4922: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4978 "configure"
+#line 4927 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4983: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4932: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5012,15 +4961,15 @@ if test $ac_cv_header_openssl_ssl_h = no; then
   ssl_ok=no
 else
   echo $ac_n "checking for CRYPTO_malloc in -lcrypto""... $ac_c" 1>&6
-echo "configure:5016: checking for CRYPTO_malloc in -lcrypto" >&5
-ac_lib_var=`echo crypto'_'CRYPTO_malloc | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:4965: checking for CRYPTO_malloc in -lcrypto" >&5
+ac_lib_var=`echo crypto'_'CRYPTO_malloc | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lcrypto  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5024 "configure"
+#line 4973 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5031,7 +4980,7 @@ int main() {
 CRYPTO_malloc()
 ; return 0; }
 EOF
-if { (eval echo configure:5035: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4984: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5056,15 +5005,15 @@ fi
     base_libs="$LIBS"
     LIBS="$LIBS -lcrypto"
     echo $ac_n "checking for ssl2_clear in -lssl""... $ac_c" 1>&6
-echo "configure:5060: checking for ssl2_clear in -lssl" >&5
-ac_lib_var=`echo ssl'_'ssl2_clear | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:5009: checking for ssl2_clear in -lssl" >&5
+ac_lib_var=`echo ssl'_'ssl2_clear | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lssl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5068 "configure"
+#line 5017 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5075,7 +5024,7 @@ int main() {
 ssl2_clear()
 ; return 0; }
 EOF
-if { (eval echo configure:5079: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5028: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5149,17 +5098,17 @@ for ac_hdr in gmp.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5153: checking for $ac_hdr" >&5
-if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+echo "configure:5102: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5158 "configure"
+#line 5107 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5163: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5112: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5191,15 +5140,15 @@ if test $ac_cv_header_gmp_h = no; then
   echo "configure: warning: Could not find gmp headers" 1>&2
 else
   echo $ac_n "checking for mpf_abs in -lgmp""... $ac_c" 1>&6
-echo "configure:5195: checking for mpf_abs in -lgmp" >&5
-ac_lib_var=`echo gmp'_'mpf_abs | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:5144: checking for mpf_abs in -lgmp" >&5
+ac_lib_var=`echo gmp'_'mpf_abs | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lgmp  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5203 "configure"
+#line 5152 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5210,7 +5159,7 @@ int main() {
 mpf_abs()
 ; return 0; }
 EOF
-if { (eval echo configure:5214: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5163: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5233,15 +5182,15 @@ fi
 
   if test "$gmp_ok" = no; then
     echo $ac_n "checking for __gmpf_abs in -lgmp""... $ac_c" 1>&6
-echo "configure:5237: checking for __gmpf_abs in -lgmp" >&5
-ac_lib_var=`echo gmp'_'__gmpf_abs | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:5186: checking for __gmpf_abs in -lgmp" >&5
+ac_lib_var=`echo gmp'_'__gmpf_abs | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lgmp  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5245 "configure"
+#line 5194 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5252,7 +5201,7 @@ int main() {
 __gmpf_abs()
 ; return 0; }
 EOF
-if { (eval echo configure:5256: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5205: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5299,12 +5248,12 @@ fi
 for ac_func in iconv
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5303: checking for $ac_func" >&5
-if eval "test \"\${ac_cv_func_$ac_func+set}\" = set"; then
+echo "configure:5252: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5308 "configure"
+#line 5257 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5313,7 +5262,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -5323,12 +5271,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5332: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5280: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5370,22 +5318,22 @@ fi
 
   # BSDs install this lib as libgiconv
   echo $ac_n "checking for main in -lgiconv""... $ac_c" 1>&6
-echo "configure:5374: checking for main in -lgiconv" >&5
-ac_lib_var=`echo giconv'_'main | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:5322: checking for main in -lgiconv" >&5
+ac_lib_var=`echo giconv'_'main | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lgiconv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5382 "configure"
+#line 5330 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5389: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5337: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5418,22 +5366,22 @@ fi
     SYSTEM_DEFS="-DHAVE_ICONV -DHAVE_GICONV_H $SYSTEM_DEFS"
   else
     echo $ac_n "checking for main in -liconv""... $ac_c" 1>&6
-echo "configure:5422: checking for main in -liconv" >&5
-ac_lib_var=`echo iconv'_'main | sed 'y%./+-:%__p__%'`
-if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+echo "configure:5370: checking for main in -liconv" >&5
+ac_lib_var=`echo iconv'_'main | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-liconv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5430 "configure"
+#line 5378 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5437: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5385: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5491,12 +5439,6 @@ fi
 
 
 
-#--------------------------------------------------------------------
-# Set the constant string class support.
-#--------------------------------------------------------------------
-NXCONST=NXConstantString
-
-
 #--------------------------------------------------------------------
 # Write the Makefiles
 #--------------------------------------------------------------------
@@ -5590,7 +5532,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.13.1"
+    echo "$CONFIG_STATUS generated by autoconf version 2.13"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -5680,6 +5622,8 @@ s%@_GSC_S_INT@%$_GSC_S_INT%g
 s%@_GSC_S_LNG@%$_GSC_S_LNG%g
 s%@_GSC_S_LNG_LNG@%$_GSC_S_LNG_LNG%g
 s%@DYNAMIC_LINKER@%$DYNAMIC_LINKER%g
+s%@NX_CONST_STRING_CPPFLAGS@%$NX_CONST_STRING_CPPFLAGS%g
+s%@NX_CONST_STRING_CLASS@%$NX_CONST_STRING_CLASS%g
 s%@HAVE_PTS_STREAM_MODULES@%$HAVE_PTS_STREAM_MODULES%g
 s%@GS_PASS_ARGUMENTS@%$GS_PASS_ARGUMENTS%g
 s%@GS_FAKE_MAIN@%$GS_FAKE_MAIN%g
@@ -5699,7 +5643,6 @@ s%@MAJOR_VERSION@%$MAJOR_VERSION%g
 s%@MINOR_VERSION@%$MINOR_VERSION%g
 s%@SUBMINOR_VERSION@%$SUBMINOR_VERSION%g
 s%@GCC_VERSION@%$GCC_VERSION%g
-s%@NXCONST@%$NXCONST%g
 
 CEOF
 EOF
@@ -5913,7 +5856,7 @@ exit 0
 EOF
 chmod +x $CONFIG_STATUS
 rm -fr confdefs* $ac_clean_files
-test "$no_create" = yes || $SHELL $CONFIG_STATUS || exit 1
+test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
 
 if test "$no_recursion" != yes; then
 
@@ -5977,7 +5920,7 @@ if test "$no_recursion" != yes; then
 
     # Check for guested configure; otherwise get Cygnus style configure.
     if test -f $ac_sub_srcdir/configure; then
-      ac_sub_configure="$SHELL $ac_sub_srcdir/configure"
+      ac_sub_configure=$ac_sub_srcdir/configure
     elif test -f $ac_sub_srcdir/configure.in; then
       ac_sub_configure=$ac_configure
     else
@@ -5995,9 +5938,9 @@ if test "$no_recursion" != yes; then
         ac_sub_cache_file="$ac_dots$cache_file" ;;
       esac
 
-      echo "running $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir"
+      echo "running ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir"
       # The eval makes quoting arguments work.
-      if eval $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir
+      if eval ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir
       then :
       else
         { echo "configure: error: $ac_sub_configure failed for $ac_config_dir" 1>&2; exit 1; }