X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4e621d24713f971d1a2d440f79ccc4593aede4b6..eff9d7f55afb3034c6ed3374dc33d1116594d670:/configure

diff --git a/configure b/configure
index f8a9d98192..b5b18daaed 100755
--- a/configure
+++ b/configure
@@ -1,14 +1,12 @@
 #! /bin/sh
 # From configure.in Id.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.67 for wxWidgets 2.9.4.
+# Generated by GNU Autoconf 2.69 for wxWidgets 2.9.5.
 #
 # Report bugs to <wx-dev@lists.wxwidgets.org>.
 #
 #
-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
-# Foundation, Inc.
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
 #
 #
 # This configure script is free software; the Free Software Foundation
@@ -92,6 +90,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -136,6 +135,31 @@ export LANGUAGE
 # CDPATH.
 (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
+# Use a proper internal environment variable to ensure we don't fall
+  # into an infinite loop, continuously re-executing ourselves.
+  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+    _as_can_reexec=no; export _as_can_reexec;
+    # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
+  fi
+  # We don't want this to propagate to other subprocesses.
+          { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
   as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
@@ -169,7 +193,8 @@ if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
 else
   exitcode=1; echo positional parameters were not saved.
 fi
-test x\$exitcode = x0 || exit 1"
+test x\$exitcode = x0 || exit 1
+test -x / || exit 1"
   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
@@ -214,14 +239,25 @@ IFS=$as_save_IFS
 
 
       if test "x$CONFIG_SHELL" != x; then :
-  # We cannot yet assume a decent shell, so we have to provide a
-	# neutralization value for shells without unset; and this also
-	# works around shells that cannot unset nonexistent variables.
-	BASH_ENV=/dev/null
-	ENV=/dev/null
-	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
-	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+  export CONFIG_SHELL
+             # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+  *v*x* | *x*v* ) as_opts=-vx ;;
+  *v* ) as_opts=-v ;;
+  *x* ) as_opts=-x ;;
+  * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
 fi
 
     if test x$as_have_required = xno; then :
@@ -324,6 +360,14 @@ $as_echo X"$as_dir" |
 
 
 } # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
 # as_fn_append VAR VALUE
 # ----------------------
 # Append the text in VALUE to the end of the definition contained in VAR. Take
@@ -445,6 +489,10 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   chmod +x "$as_me.lineno" ||
     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
+  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+  # already done that, so ensure we don't try to do so again and fall
+  # in an infinite loop.  This has already happened in practice.
+  _as_can_reexec=no; export _as_can_reexec
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
   # original and so on.  Autoconf is especially sensitive to this).
@@ -479,16 +527,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -500,28 +548,8 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in #(
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -553,8 +581,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='wxWidgets'
 PACKAGE_TARNAME='wxwidgets'
-PACKAGE_VERSION='2.9.4'
-PACKAGE_STRING='wxWidgets 2.9.4'
+PACKAGE_VERSION='2.9.5'
+PACKAGE_STRING='wxWidgets 2.9.5'
 PACKAGE_BUGREPORT='wx-dev@lists.wxwidgets.org'
 PACKAGE_URL=''
 
@@ -770,6 +798,10 @@ COND_PLATFORM_MACOSX_1_TOOLKIT_OSX_COCOA_USE_GUI_1_WXUNIV_0
 COND_PLATFORM_MACOSX_1_TOOLKIT_OSX_COCOA_USE_GUI_1
 COND_PLATFORM_MACOSX_1_TOOLKIT_OSX_CARBON_USE_GUI_1_WXUNIV_0
 COND_PLATFORM_MACOSX_1_TOOLKIT_OSX_CARBON_USE_GUI_1
+COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_3_USE_GUI_1
+COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_3
+COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_2_USE_GUI_1
+COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_2
 COND_PLATFORM_MACOSX_1_PLATFORM_WIN32_1_SHARED_0
 COND_PLATFORM_MACOSX_1_PLATFORM_MSDOS_0
 COND_PLATFORM_MACOSX_1
@@ -1816,7 +1848,7 @@ Try \`$0 --help' for more information"
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
   esac
@@ -1867,8 +1899,6 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used" >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1954,7 +1984,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures wxWidgets 2.9.4 to adapt to many kinds of systems.
+\`configure' configures wxWidgets 2.9.5 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -2023,7 +2053,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of wxWidgets 2.9.4:";;
+     short | recursive ) echo "Configuration of wxWidgets 2.9.5:";;
    esac
   cat <<\_ACEOF
 
@@ -2481,10 +2511,10 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-wxWidgets configure 2.9.4
-generated by GNU Autoconf 2.67
+wxWidgets configure 2.9.5
+generated by GNU Autoconf 2.69
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -2528,7 +2558,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -2565,7 +2595,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -2603,7 +2633,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_compile
@@ -2635,7 +2665,7 @@ $as_echo "$ac_try_echo"; } >&5
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
+	 test -x conftest$ac_exeext
        }; then :
   ac_retval=0
 else
@@ -2649,7 +2679,7 @@ fi
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
@@ -2681,7 +2711,7 @@ $as_echo "$ac_try_echo"; } >&5
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext && {
 	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
+	 test -x conftest$ac_exeext
        }; then :
   ac_retval=0
 else
@@ -2695,7 +2725,7 @@ fi
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_link
@@ -2737,7 +2767,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -2751,7 +2781,7 @@ ac_fn_c_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2769,7 +2799,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_compile
 
@@ -2790,7 +2820,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) >= 0)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -2806,7 +2837,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -2832,7 +2864,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) < 0)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -2848,7 +2881,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) >= $ac_mid)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -2882,7 +2916,8 @@ int
 main ()
 {
 static int test_array [1 - 2 * !(($2) <= $ac_mid)];
-test_array [0] = 0
+test_array [0] = 0;
+return test_array [0];
 
   ;
   return 0;
@@ -2946,7 +2981,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 rm -f conftest.val
 
   fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
@@ -2960,7 +2995,7 @@ ac_fn_cxx_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2978,7 +3013,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_header_compile
 
@@ -2991,7 +3026,7 @@ ac_fn_cxx_check_type ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -3032,7 +3067,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_type
 
@@ -3068,7 +3103,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_cpp
@@ -3081,10 +3116,10 @@ fi
 ac_fn_cxx_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval "test \"\${$3+set}\"" = set; then :
+  if eval \${$3+:} false; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -3151,7 +3186,7 @@ $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -3160,7 +3195,7 @@ eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_cxx_check_header_mongrel
 
@@ -3172,7 +3207,7 @@ ac_fn_c_check_func ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3227,7 +3262,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
 
@@ -3240,7 +3275,7 @@ ac_fn_c_check_type ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -3281,7 +3316,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_type
 
@@ -3322,7 +3357,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_run
@@ -3330,8 +3365,8 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by wxWidgets $as_me 2.9.4, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+It was created by wxWidgets $as_me 2.9.5, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
 
@@ -3589,7 +3624,7 @@ $as_echo "$as_me: loading site script $ac_site_file" >&6;}
       || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -3716,7 +3751,7 @@ $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then :
+if ${ac_cv_build+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
@@ -3732,7 +3767,7 @@ fi
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5 ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -3750,7 +3785,7 @@ case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 $as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then :
+if ${ac_cv_host+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
@@ -3765,7 +3800,7 @@ fi
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5 ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -3793,7 +3828,7 @@ fi
 
 wx_major_version_number=2
 wx_minor_version_number=9
-wx_release_number=4
+wx_release_number=5
 wx_subrelease_number=0
 
 WX_RELEASE=$wx_major_version_number.$wx_minor_version_number
@@ -16167,10 +16202,21 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -16189,7 +16235,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -16201,7 +16247,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -16229,7 +16275,7 @@ if test -z "$ac_cv_prog_CC"; then
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -16241,7 +16287,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -16282,7 +16328,7 @@ if test -z "$CC"; then
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -16294,7 +16340,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -16322,7 +16368,7 @@ if test -z "$CC"; then
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -16335,7 +16381,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
@@ -16381,7 +16427,7 @@ if test -z "$CC"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -16393,7 +16439,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -16425,7 +16471,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -16437,7 +16483,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -16480,7 +16526,7 @@ fi
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -16595,7 +16641,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -16638,7 +16684,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -16697,7 +16743,7 @@ $as_echo "$ac_try_echo"; } >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
@@ -16708,7 +16754,7 @@ rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -16749,7 +16795,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -16759,7 +16805,7 @@ OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -16796,7 +16842,7 @@ ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -16874,7 +16920,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -16883,8 +16929,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+struct stat;
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
 FILE * (*rcsopen) (struct buf *, struct stat *, int);
@@ -16984,7 +17029,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Intel C compiler" >&5
 $as_echo_n "checking whether we are using the Intel C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___INTEL_COMPILER+set}" = set; then :
+if ${bakefile_cv_c_compiler___INTEL_COMPILER+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17039,7 +17084,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using Intel C compiler v8 or later" >&5
 $as_echo_n "checking whether we are using Intel C compiler v8 or later... " >&6; }
-if test "${bakefile_cv_c_compiler___INTEL_COMPILER_lt_800+set}" = set; then :
+if ${bakefile_cv_c_compiler___INTEL_COMPILER_lt_800+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17092,7 +17137,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using Intel C compiler v10 or later" >&5
 $as_echo_n "checking whether we are using Intel C compiler v10 or later... " >&6; }
-if test "${bakefile_cv_c_compiler___INTEL_COMPILER_lt_1000+set}" = set; then :
+if ${bakefile_cv_c_compiler___INTEL_COMPILER_lt_1000+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17141,7 +17186,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
         if test "xCC" = "xC"; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C compiler requires -ext o" >&5
 $as_echo_n "checking if the C compiler requires -ext o... " >&6; }
-if test "${bakefile_cv_c_exto+set}" = set; then :
+if ${bakefile_cv_c_exto+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17174,7 +17219,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot figure out if compiler needs -ext o: cannot compile
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 fi
 rm -f conftest.$ac_ext.o conftest.$ac_objext conftest.$ac_ext
@@ -17197,7 +17242,7 @@ fi
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -17288,7 +17333,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the IBM xlC C compiler" >&5
 $as_echo_n "checking whether we are using the IBM xlC C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___xlC__+set}" = set; then :
+if ${bakefile_cv_c_compiler___xlC__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17344,7 +17389,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Metrowerks C compiler" >&5
 $as_echo_n "checking whether we are using the Metrowerks C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___MWERKS__+set}" = set; then :
+if ${bakefile_cv_c_compiler___MWERKS__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17398,7 +17443,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the IBM xlC C compiler" >&5
 $as_echo_n "checking whether we are using the IBM xlC C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___xlC__+set}" = set; then :
+if ${bakefile_cv_c_compiler___xlC__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17455,7 +17500,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the SGI C compiler" >&5
 $as_echo_n "checking whether we are using the SGI C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler__SGI_COMPILER_VERSION+set}" = set; then :
+if ${bakefile_cv_c_compiler__SGI_COMPILER_VERSION+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17512,7 +17557,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Sun C compiler" >&5
 $as_echo_n "checking whether we are using the Sun C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___SUNPRO_C+set}" = set; then :
+if ${bakefile_cv_c_compiler___SUNPRO_C+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17569,7 +17614,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the HP C compiler" >&5
 $as_echo_n "checking whether we are using the HP C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___HP_cc+set}" = set; then :
+if ${bakefile_cv_c_compiler___HP_cc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17625,7 +17670,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Compaq C compiler" >&5
 $as_echo_n "checking whether we are using the Compaq C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___DECC+set}" = set; then :
+if ${bakefile_cv_c_compiler___DECC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17681,7 +17726,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Sun C compiler" >&5
 $as_echo_n "checking whether we are using the Sun C compiler... " >&6; }
-if test "${bakefile_cv_c_compiler___SUNPRO_C+set}" = set; then :
+if ${bakefile_cv_c_compiler___SUNPRO_C+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -17742,7 +17787,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -17858,7 +17903,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -17870,7 +17915,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -17884,7 +17929,7 @@ do
     for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
+      as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
 case `"$ac_path_GREP" --version 2>&1` in
@@ -17933,7 +17978,7 @@ $as_echo "$ac_cv_path_GREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -17950,7 +17995,7 @@ do
     for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
+      as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
 case `"$ac_path_EGREP" --version 2>&1` in
@@ -18001,7 +18046,7 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
 if test $ac_cv_c_compiler_gnu = yes; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
 $as_echo_n "checking whether $CC needs -traditional... " >&6; }
-if test "${ac_cv_prog_gcc_traditional+set}" = set; then :
+if ${ac_cv_prog_gcc_traditional+:} false; then :
   $as_echo_n "(cached) " >&6
 else
     ac_pattern="Autoconf.*'x'"
@@ -18058,7 +18103,7 @@ if test -z "$CXX"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CXX+set}" = set; then :
+if ${ac_cv_prog_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CXX"; then
@@ -18070,7 +18115,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -18102,7 +18147,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CXX"; then
@@ -18114,7 +18159,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CXX="$ac_prog"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -18180,7 +18225,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
 $as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
+if ${ac_cv_cxx_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18217,7 +18262,7 @@ ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
 $as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if test "${ac_cv_prog_cxx_g+set}" = set; then :
+if ${ac_cv_prog_cxx_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
@@ -18314,7 +18359,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Intel C++ compiler" >&5
 $as_echo_n "checking whether we are using the Intel C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___INTEL_COMPILER+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___INTEL_COMPILER+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18369,7 +18414,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using Intel C++ compiler v8 or later" >&5
 $as_echo_n "checking whether we are using Intel C++ compiler v8 or later... " >&6; }
-if test "${bakefile_cv_cxx_compiler___INTEL_COMPILER_lt_800+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___INTEL_COMPILER_lt_800+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18422,7 +18467,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using Intel C++ compiler v10 or later" >&5
 $as_echo_n "checking whether we are using Intel C++ compiler v10 or later... " >&6; }
-if test "${bakefile_cv_cxx_compiler___INTEL_COMPILER_lt_1000+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___INTEL_COMPILER_lt_1000+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18471,7 +18516,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
         if test "xCXX" = "xC"; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C compiler requires -ext o" >&5
 $as_echo_n "checking if the C compiler requires -ext o... " >&6; }
-if test "${bakefile_cv_c_exto+set}" = set; then :
+if ${bakefile_cv_c_exto+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18504,7 +18549,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot figure out if compiler needs -ext o: cannot compile
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 fi
 rm -f conftest.$ac_ext.o conftest.$ac_objext conftest.$ac_ext
@@ -18527,7 +18572,7 @@ fi
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -18618,7 +18663,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the IBM xlC C++ compiler" >&5
 $as_echo_n "checking whether we are using the IBM xlC C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___xlC__+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___xlC__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18674,7 +18719,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Metrowerks C++ compiler" >&5
 $as_echo_n "checking whether we are using the Metrowerks C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___MWERKS__+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___MWERKS__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18728,7 +18773,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the IBM xlC C++ compiler" >&5
 $as_echo_n "checking whether we are using the IBM xlC C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___xlC__+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___xlC__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18785,7 +18830,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the SGI C++ compiler" >&5
 $as_echo_n "checking whether we are using the SGI C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler__SGI_COMPILER_VERSION+set}" = set; then :
+if ${bakefile_cv_cxx_compiler__SGI_COMPILER_VERSION+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18842,7 +18887,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Sun C++ compiler" >&5
 $as_echo_n "checking whether we are using the Sun C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___SUNPRO_CC+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___SUNPRO_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18899,7 +18944,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the HP C++ compiler" >&5
 $as_echo_n "checking whether we are using the HP C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___HP_aCC+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___HP_aCC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -18955,7 +19000,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Compaq C++ compiler" >&5
 $as_echo_n "checking whether we are using the Compaq C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___DECCXX+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___DECCXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -19011,7 +19056,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the Sun C++ compiler" >&5
 $as_echo_n "checking whether we are using the Sun C++ compiler... " >&6; }
-if test "${bakefile_cv_cxx_compiler___SUNPRO_CC+set}" = set; then :
+if ${bakefile_cv_cxx_compiler___SUNPRO_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -19070,7 +19115,7 @@ if test "x$SUNCXX" != xyes; then
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AR+set}" = set; then :
+if ${ac_cv_prog_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -19082,7 +19127,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_AR="${ac_tool_prefix}ar"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -19110,7 +19155,7 @@ if test -z "$ac_cv_prog_AR"; then
 set dummy ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_AR+set}" = set; then :
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_AR"; then
@@ -19122,7 +19167,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_AR="ar"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -19189,10 +19234,6 @@ $as_echo_n "checking for architectures to use in universal binary... " >&6; }
 $as_echo "$OSX_ARCH_OPTS" >&6; }
 
                                                         retest_macosx_linking=yes
-
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Disabling precompiled headers due to universal binary build." >&5
-$as_echo "$as_me: WARNING: Disabling precompiled headers due to universal binary build." >&2;}
-    bk_use_pch=no
 else
     if test "x$wxUSE_MAC_ARCH" != xno; then
         OSX_ARCH_OPTS=$wxUSE_MAC_ARCH
@@ -19201,7 +19242,13 @@ fi
 
 if test "x$OSX_ARCH_OPTS" != "x"; then
         if echo $OSX_ARCH_OPTS | grep -q ","; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Disabling dependency tracking due to universal binary build." >&5
+$as_echo "$as_me: WARNING: Disabling dependency tracking due to universal binary build." >&2;}
         disable_macosx_deps=yes
+
+                                        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Disabling precompiled headers due to universal binary build." >&5
+$as_echo "$as_me: WARNING: Disabling precompiled headers due to universal binary build." >&2;}
+        bk_use_pch=no
     fi
 
     OSX_ARCH_OPTS=`echo $OSX_ARCH_OPTS | sed -e 's/^/-arch /' -e 's/,/ -arch /g'`
@@ -19228,7 +19275,7 @@ $as_echo_n "checking for SDK directory $wxUSE_MACOSX_SDK... " >&6; }
         { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "not found
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
     else
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: exists" >&5
 $as_echo "exists" >&6; }
@@ -19315,7 +19362,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no.  Try a different SDK
-See \`config.log' for more details" "$LINENO" 5 ; }; exit 1
+See \`config.log' for more details" "$LINENO" 5; }; exit 1
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
@@ -19352,7 +19399,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no.  Try a different SDK
-See \`config.log' for more details" "$LINENO" 5 ; }; exit 1
+See \`config.log' for more details" "$LINENO" 5; }; exit 1
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
@@ -19469,7 +19516,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no.  CoreFoundation not available.
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -19489,7 +19536,7 @@ case "${host}" in
       else
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if -mno-cygwin is in effect" >&5
 $as_echo_n "checking if -mno-cygwin is in effect... " >&6; }
-if test "${wx_cv_nocygwin+set}" = set; then :
+if ${wx_cv_nocygwin+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19571,7 +19618,7 @@ case "${host}" in
                                                       if test "$wxUSE_MOTIF" = 1 -o "$wxUSE_GTK" = 1 -o "$wxUSE_X11" = 1; then
                               { $as_echo "$as_me:${as_lineno-$LINENO}: checking for drand48 in -lcExt" >&5
 $as_echo_n "checking for drand48 in -lcExt... " >&6; }
-if test "${ac_cv_lib_cExt_drand48+set}" = set; then :
+if ${ac_cv_lib_cExt_drand48+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -19605,7 +19652,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cExt_drand48" >&5
 $as_echo "$ac_cv_lib_cExt_drand48" >&6; }
-if test "x$ac_cv_lib_cExt_drand48" = x""yes; then :
+if test "x$ac_cv_lib_cExt_drand48" = xyes; then :
   LIBS="$LIBS -lcExt"
 fi
 
@@ -19614,7 +19661,7 @@ fi
       fi
                                     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc/libc version" >&5
 $as_echo_n "checking for gcc/libc version... " >&6; }
-if test "${wx_cv_gccversion+set}" = set; then :
+if ${wx_cv_gccversion+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19681,7 +19728,7 @@ $as_echo "$as_me: WARNING: Building DLLs requires OMF mode, enabled" >&2;}
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strcasecmp() in string.h" >&5
 $as_echo_n "checking for strcasecmp() in string.h... " >&6; }
-if test "${ac_cv_string_strcasecmp+set}" = set; then :
+if ${ac_cv_string_strcasecmp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19719,7 +19766,7 @@ $as_echo "$ac_cv_string_strcasecmp" >&6; }
       else
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strcasecmp() in strings.h" >&5
 $as_echo_n "checking for strcasecmp() in strings.h... " >&6; }
-if test "${ac_cv_strings_strcasecmp+set}" = set; then :
+if ${ac_cv_strings_strcasecmp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -19765,7 +19812,7 @@ esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -19912,7 +19959,7 @@ if test "$ac_cv_header_wchar_h" != "yes"; then
 do :
   ac_fn_c_check_header_compile "$LINENO" "wcstr.h" "ac_cv_header_wcstr_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_wcstr_h" = x""yes; then :
+if test "x$ac_cv_header_wcstr_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_WCSTR_H 1
 _ACEOF
@@ -19939,7 +19986,7 @@ if test "$USE_UNIX" = 1 ; then
 do :
   ac_fn_c_check_header_compile "$LINENO" "sys/select.h" "ac_cv_header_sys_select_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_sys_select_h" = x""yes; then :
+if test "x$ac_cv_header_sys_select_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SYS_SELECT_H 1
 _ACEOF
@@ -19953,7 +20000,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 $as_echo_n "checking for an ANSI C-conforming const... " >&6; }
-if test "${ac_cv_c_const+set}" = set; then :
+if ${ac_cv_c_const+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -19962,11 +20009,11 @@ else
 int
 main ()
 {
-/* FIXME: Include the comments suggested by Paul. */
+
 #ifndef __cplusplus
-  /* Ultrix mips cc rejects this.  */
+  /* Ultrix mips cc rejects this sort of thing.  */
   typedef int charset[2];
-  const charset cs;
+  const charset cs = { 0, 0 };
   /* SunOS 4.1.1 cc rejects this.  */
   char const *const *pcpcc;
   char **ppc;
@@ -19983,8 +20030,9 @@ main ()
   ++pcpcc;
   ppc = (char**) pcpcc;
   pcpcc = (char const *const *) ppc;
-  { /* SCO 3.2v4 cc rejects this.  */
-    char *t;
+  { /* SCO 3.2v4 cc rejects this sort of thing.  */
+    char tx;
+    char *t = &tx;
     char const *s = 0 ? (char *) 0 : (char const *) 0;
 
     *t++ = 0;
@@ -20000,10 +20048,10 @@ main ()
     iptr p = 0;
     ++p;
   }
-  { /* AIX XL C 1.02.0.0 rejects this saying
+  { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying
        "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
-    struct s { int j; const int *ap[3]; };
-    struct s *b; b->j = 5;
+    struct s { int j; const int *ap[3]; } bx;
+    struct s *b = &bx; b->j = 5;
   }
   { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
     const int foo = 10;
@@ -20033,7 +20081,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
 $as_echo_n "checking for inline... " >&6; }
-if test "${ac_cv_c_inline+set}" = set; then :
+if ${ac_cv_c_inline+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_inline=no
@@ -20080,7 +20128,7 @@ esac
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of short" >&5
 $as_echo_n "checking size of short... " >&6; }
-if test "${ac_cv_sizeof_short+set}" = set; then :
+if ${ac_cv_sizeof_short+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (short))" "ac_cv_sizeof_short"        "$ac_includes_default"; then :
@@ -20090,7 +20138,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (short)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_short=0
    fi
@@ -20113,7 +20161,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
 $as_echo_n "checking size of void *... " >&6; }
-if test "${ac_cv_sizeof_void_p+set}" = set; then :
+if ${ac_cv_sizeof_void_p+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
@@ -20123,7 +20171,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_void_p=0
    fi
@@ -20146,7 +20194,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
 $as_echo_n "checking size of int... " >&6; }
-if test "${ac_cv_sizeof_int+set}" = set; then :
+if ${ac_cv_sizeof_int+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"; then :
@@ -20156,7 +20204,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (int)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_int=0
    fi
@@ -20179,7 +20227,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
 $as_echo_n "checking size of long... " >&6; }
-if test "${ac_cv_sizeof_long+set}" = set; then :
+if ${ac_cv_sizeof_long+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"; then :
@@ -20189,7 +20237,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_long=0
    fi
@@ -20212,7 +20260,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5
 $as_echo_n "checking size of size_t... " >&6; }
-if test "${ac_cv_sizeof_size_t+set}" = set; then :
+if ${ac_cv_sizeof_size_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t"        "$ac_includes_default"; then :
@@ -20222,7 +20270,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (size_t)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_size_t=0
    fi
@@ -20248,7 +20296,7 @@ case "${host}" in
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
 $as_echo_n "checking size of long long... " >&6; }
-if test "${ac_cv_sizeof_long_long+set}" = set; then :
+if ${ac_cv_sizeof_long_long+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
@@ -20258,7 +20306,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long long)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_long_long=0
    fi
@@ -20283,7 +20331,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
 $as_echo_n "checking size of long long... " >&6; }
-if test "${ac_cv_sizeof_long_long+set}" = set; then :
+if ${ac_cv_sizeof_long_long+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
@@ -20293,7 +20341,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long long)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_long_long=0
    fi
@@ -20321,7 +20369,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
 $as_echo_n "checking size of long long... " >&6; }
-if test "${ac_cv_sizeof_long_long+set}" = set; then :
+if ${ac_cv_sizeof_long_long+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
@@ -20331,7 +20379,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long long)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_long_long=0
    fi
@@ -20356,7 +20404,7 @@ esac
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of wchar_t" >&5
 $as_echo_n "checking size of wchar_t... " >&6; }
-if test "${ac_cv_sizeof_wchar_t+set}" = set; then :
+if ${ac_cv_sizeof_wchar_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (wchar_t))" "ac_cv_sizeof_wchar_t"        "
@@ -20383,7 +20431,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (wchar_t)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_wchar_t=0
    fi
@@ -20408,7 +20456,7 @@ $as_echo "#define wxUSE_WCHAR_T 1" >>confdefs.h
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for va_copy" >&5
 $as_echo_n "checking for va_copy... " >&6; }
-if test "${wx_cv_func_va_copy+set}" = set; then :
+if ${wx_cv_func_va_copy+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -20464,7 +20512,7 @@ if test $wx_cv_func_va_copy = "yes"; then
 else
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if va_list can be copied by value" >&5
 $as_echo_n "checking if va_list can be copied by value... " >&6; }
-if test "${wx_cv_type_va_list_lvalue+set}" = set; then :
+if ${wx_cv_type_va_list_lvalue+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -20519,7 +20567,7 @@ if test "$wxUSE_VARARG_MACROS" = "yes"; then
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports variadic macros" >&5
 $as_echo_n "checking whether the compiler supports variadic macros... " >&6; }
-if test "${wx_cv_have_variadic_macros+set}" = set; then :
+if ${wx_cv_have_variadic_macros+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -20584,7 +20632,7 @@ if test "$enable_largefile" != no; then
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
 $as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
-if test "${ac_cv_sys_file_offset_bits+set}" = set; then :
+if ${ac_cv_sys_file_offset_bits+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -20627,7 +20675,7 @@ _ACEOF
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
 $as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
-if test "${ac_cv_sys_large_files+set}" = set; then :
+if ${ac_cv_sys_large_files+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -20690,7 +20738,7 @@ if test -n "$LARGEFILE_CPPFLAGS"; then
                             if test "$USE_HPUX" = 1 -a "$GXX" = "yes"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if -D__STDC_EXT__ is required" >&5
 $as_echo_n "checking if -D__STDC_EXT__ is required... " >&6; }
-if test "${wx_cv_STDC_EXT_required+set}" = set; then :
+if ${wx_cv_STDC_EXT_required+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -20749,7 +20797,7 @@ old_CPPFLAGS="$CPPFLAGS"
 CPPFLAGS="$CPPFLAGS $LARGEFILE_CPPFLAGS"
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGEFILE_SOURCE value needed for large files" >&5
 $as_echo_n "checking for _LARGEFILE_SOURCE value needed for large files... " >&6; }
-if test "${ac_cv_sys_largefile_source+set}" = set; then :
+if ${ac_cv_sys_largefile_source+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   while :; do
@@ -20828,7 +20876,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if test "${ac_cv_c_bigendian+set}" = set; then :
+if ${ac_cv_c_bigendian+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_bigendian=unknown
@@ -20926,7 +20974,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 do :
   ac_fn_cxx_check_header_compile "$LINENO" "iostream" "ac_cv_header_iostream" "
 "
-if test "x$ac_cv_header_iostream" = x""yes; then :
+if test "x$ac_cv_header_iostream" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_IOSTREAM 1
 _ACEOF
@@ -20954,7 +21002,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking if C++ compiler supports the explicit keyword" >&5
 $as_echo_n "checking if C++ compiler supports the explicit keyword... " >&6; }
-if test "${wx_cv_explicit+set}" = set; then :
+if ${wx_cv_explicit+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -21042,7 +21090,7 @@ fi
 if test "x$SGICC" = "xyes"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking if cc version is 7.4.4 or greater" >&5
 $as_echo_n "checking if cc version is 7.4.4 or greater... " >&6; }
-if test "${wx_cv_prog_sgicc744+set}" = set; then :
+if ${wx_cv_prog_sgicc744+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -21081,7 +21129,7 @@ fi
 if test "x$SGICXX" = "xyes"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking if CC version is 7.4.4 or greater" >&5
 $as_echo_n "checking if CC version is 7.4.4 or greater... " >&6; }
-if test "${wx_cv_prog_sgicxx744+set}" = set; then :
+if ${wx_cv_prog_sgicxx744+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -21159,7 +21207,7 @@ if test "$wxUSE_STD_STRING" = "yes" -o "$wxUSE_STL" = "yes"; then
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $std_string in <string>" >&5
 $as_echo_n "checking for $std_string in <string>... " >&6; }
-if test "${wx_cv_class_stdstring+set}" = set; then :
+if ${wx_cv_class_stdstring+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -21195,7 +21243,7 @@ $as_echo "$wx_cv_class_stdstring" >&6; }
                     else
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if std::basic_string<$char_type> works" >&5
 $as_echo_n "checking if std::basic_string<$char_type> works... " >&6; }
-if test "${wx_cv_class_stdbasicstring+set}" = set; then :
+if ${wx_cv_class_stdbasicstring+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -21253,7 +21301,7 @@ fi
 if test "$wxUSE_STD_IOSTREAM" = "yes"; then
     ac_fn_cxx_check_type "$LINENO" "std::istream" "ac_cv_type_std__istream" "#include <iostream>
 "
-if test "x$ac_cv_type_std__istream" = x""yes; then :
+if test "x$ac_cv_type_std__istream" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STD__ISTREAM 1
@@ -21265,7 +21313,7 @@ else
 fi
 ac_fn_cxx_check_type "$LINENO" "std::ostream" "ac_cv_type_std__ostream" "#include <iostream>
 "
-if test "x$ac_cv_type_std__ostream" = x""yes; then :
+if test "x$ac_cv_type_std__ostream" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_STD__OSTREAM 1
@@ -21290,7 +21338,7 @@ fi
 if test "$wxUSE_STL" = "yes"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for basic STL functionality" >&5
 $as_echo_n "checking for basic STL functionality... " >&6; }
-if test "${wx_cv_lib_stl+set}" = set; then :
+if ${wx_cv_lib_stl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -21330,7 +21378,7 @@ $as_echo "$wx_cv_lib_stl" >&6; }
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compliant std::string::compare" >&5
 $as_echo_n "checking for compliant std::string::compare... " >&6; }
-if test "${wx_cv_func_stdstring_compare+set}" = set; then :
+if ${wx_cv_func_stdstring_compare+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -21377,10 +21425,10 @@ $as_echo "$wx_cv_func_stdstring_compare" >&6; }
     ac_fn_cxx_check_header_compile "$LINENO" "unordered_map" "ac_cv_header_unordered_map" "
 
 "
-if test "x$ac_cv_header_unordered_map" = x""yes; then :
+if test "x$ac_cv_header_unordered_map" = xyes; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for unordered_map and unordered_set in std" >&5
 $as_echo_n "checking for unordered_map and unordered_set in std... " >&6; }
-if test "${wx_cv_class_stdunorderedmapset+set}" = set; then :
+if ${wx_cv_class_stdunorderedmapset+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -21420,10 +21468,10 @@ fi
         ac_fn_cxx_check_header_compile "$LINENO" "tr1/unordered_map" "ac_cv_header_tr1_unordered_map" "
 
 "
-if test "x$ac_cv_header_tr1_unordered_map" = x""yes; then :
+if test "x$ac_cv_header_tr1_unordered_map" = xyes; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for unordered_map and unordered_set in std::tr1" >&5
 $as_echo_n "checking for unordered_map and unordered_set in std::tr1... " >&6; }
-if test "${wx_cv_class_tr1unorderedmapset+set}" = set; then :
+if ${wx_cv_class_tr1unorderedmapset+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -21466,10 +21514,10 @@ fi
                         ac_fn_cxx_check_header_compile "$LINENO" "hash_map" "ac_cv_header_hash_map" "
 
 "
-if test "x$ac_cv_header_hash_map" = x""yes; then :
+if test "x$ac_cv_header_hash_map" = xyes; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for std::hash_map and hash_set" >&5
 $as_echo_n "checking for std::hash_map and hash_set... " >&6; }
-if test "${wx_cv_class_stdhashmapset+set}" = set; then :
+if ${wx_cv_class_stdhashmapset+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -21510,10 +21558,10 @@ fi
             ac_fn_cxx_check_header_compile "$LINENO" "ext/hash_map" "ac_cv_header_ext_hash_map" "
 
 "
-if test "x$ac_cv_header_ext_hash_map" = x""yes; then :
+if test "x$ac_cv_header_ext_hash_map" = xyes; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU hash_map and hash_set" >&5
 $as_echo_n "checking for GNU hash_map and hash_set... " >&6; }
-if test "${wx_cv_class_gnuhashmapset+set}" = set; then :
+if ${wx_cv_class_gnuhashmapset+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -21556,7 +21604,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
 $as_echo_n "checking how to run the C++ preprocessor... " >&6; }
 if test -z "$CXXCPP"; then
-  if test "${ac_cv_prog_CXXCPP+set}" = set; then :
+  if ${ac_cv_prog_CXXCPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CXXCPP needs to be expanded
@@ -21672,7 +21720,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=cpp
@@ -21701,7 +21749,7 @@ done
   if test -n "$GCC"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __sync_fetch_and_add and __sync_sub_and_fetch builtins" >&5
 $as_echo_n "checking for __sync_fetch_and_add and __sync_sub_and_fetch builtins... " >&6; }
-    if test "${wx_cv_cc_gcc_atomic_builtins+set}" = set; then :
+    if ${wx_cv_cc_gcc_atomic_builtins+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -21798,7 +21846,7 @@ $as_echo_n "checking for libraries directories... " >&6; }
 
 case "${host}" in
     *-*-irix6* )
-        if test "${wx_cv_std_libpath+set}" = set; then :
+        if ${wx_cv_std_libpath+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -21984,10 +22032,21 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -22000,7 +22059,7 @@ have_floor=0
 for ac_func in cos
 do :
   ac_fn_c_check_func "$LINENO" "cos" "ac_cv_func_cos"
-if test "x$ac_cv_func_cos" = x""yes; then :
+if test "x$ac_cv_func_cos" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_COS 1
 _ACEOF
@@ -22011,7 +22070,7 @@ done
 for ac_func in floor
 do :
   ac_fn_c_check_func "$LINENO" "floor" "ac_cv_func_floor"
-if test "x$ac_cv_func_floor" = x""yes; then :
+if test "x$ac_cv_func_floor" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_FLOOR 1
 _ACEOF
@@ -22034,7 +22093,7 @@ $as_echo "no" >&6; }
     for ac_func in sin
 do :
   ac_fn_c_check_func "$LINENO" "sin" "ac_cv_func_sin"
-if test "x$ac_cv_func_sin" = x""yes; then :
+if test "x$ac_cv_func_sin" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SIN 1
 _ACEOF
@@ -22045,7 +22104,7 @@ done
     for ac_func in ceil
 do :
   ac_fn_c_check_func "$LINENO" "ceil" "ac_cv_func_ceil"
-if test "x$ac_cv_func_ceil" = x""yes; then :
+if test "x$ac_cv_func_ceil" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_CEIL 1
 _ACEOF
@@ -22077,7 +22136,7 @@ if test "wxUSE_UNICODE" = "yes"; then
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -22134,7 +22193,7 @@ else
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -22208,7 +22267,7 @@ $as_echo "$as_me: WARNING: Defaulting to the builtin regex library for Unicode b
     if test "$wxUSE_REGEX" = "sys" -o "$wxUSE_REGEX" = "yes" ; then
                         ac_fn_c_check_header_compile "$LINENO" "regex.h" "ac_cv_header_regex_h" "
 "
-if test "x$ac_cv_header_regex_h" = x""yes; then :
+if test "x$ac_cv_header_regex_h" = xyes; then :
   for ac_func in regcomp re_search
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
@@ -22253,7 +22312,7 @@ if test "$wxUSE_ZLIB" != "no" ; then
         else
                                                                                     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for zlib.h >= 1.1.4" >&5
 $as_echo_n "checking for zlib.h >= 1.1.4... " >&6; }
-if test "${ac_cv_header_zlib_h+set}" = set; then :
+if ${ac_cv_header_zlib_h+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -22294,7 +22353,7 @@ fi
 $as_echo "$ac_cv_header_zlib_h" >&6; }
                                     ac_fn_c_check_header_compile "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "
 "
-if test "x$ac_cv_header_zlib_h" = x""yes; then :
+if test "x$ac_cv_header_zlib_h" = xyes; then :
 
 fi
 
@@ -22306,7 +22365,7 @@ fi
         if test "$system_zlib_h_ok" = "yes"; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for deflate in -lz" >&5
 $as_echo_n "checking for deflate in -lz... " >&6; }
-if test "${ac_cv_lib_z_deflate+set}" = set; then :
+if ${ac_cv_lib_z_deflate+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -22340,7 +22399,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_deflate" >&5
 $as_echo "$ac_cv_lib_z_deflate" >&6; }
-if test "x$ac_cv_lib_z_deflate" = x""yes; then :
+if test "x$ac_cv_lib_z_deflate" = xyes; then :
   ZLIB_LINK=" -lz"
 fi
 
@@ -22375,7 +22434,7 @@ $as_echo "$as_me: WARNING: system png library doesn't work without system zlib,
     if test "$wxUSE_LIBPNG" = "sys" -o "$wxUSE_LIBPNG" = "yes" ; then
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png.h > 0.90" >&5
 $as_echo_n "checking for png.h > 0.90... " >&6; }
-if test "${ac_cv_header_png_h+set}" = set; then :
+if ${ac_cv_header_png_h+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
@@ -22413,7 +22472,7 @@ fi
 $as_echo "$ac_cv_header_png_h" >&6; }
         ac_fn_c_check_header_compile "$LINENO" "png.h" "ac_cv_header_png_h" "
 "
-if test "x$ac_cv_header_png_h" = x""yes; then :
+if test "x$ac_cv_header_png_h" = xyes; then :
 
 fi
 
@@ -22422,7 +22481,7 @@ fi
         if test "$ac_cv_header_png_h" = "yes"; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for png_sig_cmp in -lpng" >&5
 $as_echo_n "checking for png_sig_cmp in -lpng... " >&6; }
-if test "${ac_cv_lib_png_png_sig_cmp+set}" = set; then :
+if ${ac_cv_lib_png_png_sig_cmp+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -22456,7 +22515,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_png_png_sig_cmp" >&5
 $as_echo "$ac_cv_lib_png_png_sig_cmp" >&6; }
-if test "x$ac_cv_lib_png_png_sig_cmp" = x""yes; then :
+if test "x$ac_cv_lib_png_png_sig_cmp" = xyes; then :
   PNG_LINK=" -lpng -lz"
 fi
 
@@ -22485,7 +22544,7 @@ if test "$wxUSE_LIBJPEG" != "no" ; then
     if test "$wxUSE_LIBJPEG" = "sys" -o "$wxUSE_LIBJPEG" = "yes" ; then
                                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for jpeglib.h" >&5
 $as_echo_n "checking for jpeglib.h... " >&6; }
-        if test "${ac_cv_header_jpeglib_h+set}" = set; then :
+        if ${ac_cv_header_jpeglib_h+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -22520,7 +22579,7 @@ $as_echo "$ac_cv_header_jpeglib_h" >&6; }
         if test "$ac_cv_header_jpeglib_h" = "yes"; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for jpeg_read_header in -ljpeg" >&5
 $as_echo_n "checking for jpeg_read_header in -ljpeg... " >&6; }
-if test "${ac_cv_lib_jpeg_jpeg_read_header+set}" = set; then :
+if ${ac_cv_lib_jpeg_jpeg_read_header+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -22554,7 +22613,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_jpeg_jpeg_read_header" >&5
 $as_echo "$ac_cv_lib_jpeg_jpeg_read_header" >&6; }
-if test "x$ac_cv_lib_jpeg_jpeg_read_header" = x""yes; then :
+if test "x$ac_cv_lib_jpeg_jpeg_read_header" = xyes; then :
   JPEG_LINK=" -ljpeg"
 fi
 
@@ -22574,7 +22633,7 @@ $as_echo "$as_me: WARNING: system jpeg library not found, will use built-in inst
             if test "$wxUSE_MSW" = 1; then
                                                                                 ac_fn_c_check_type "$LINENO" "boolean" "ac_cv_type_boolean" "#include <windows.h>
 "
-if test "x$ac_cv_type_boolean" = x""yes; then :
+if test "x$ac_cv_type_boolean" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_BOOLEAN 1
@@ -22587,7 +22646,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of boolean" >&5
 $as_echo_n "checking size of boolean... " >&6; }
-if test "${ac_cv_sizeof_boolean+set}" = set; then :
+if ${ac_cv_sizeof_boolean+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (boolean))" "ac_cv_sizeof_boolean"        "
@@ -22602,7 +22661,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (boolean)
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
    else
      ac_cv_sizeof_boolean=0
    fi
@@ -22648,11 +22707,11 @@ if test "$wxUSE_LIBTIFF" != "no" ; then
         ac_fn_c_check_header_compile "$LINENO" "tiffio.h" "ac_cv_header_tiffio_h" "
 
 "
-if test "x$ac_cv_header_tiffio_h" = x""yes; then :
+if test "x$ac_cv_header_tiffio_h" = xyes; then :
 
                             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for TIFFError in -ltiff" >&5
 $as_echo_n "checking for TIFFError in -ltiff... " >&6; }
-if test "${ac_cv_lib_tiff_TIFFError+set}" = set; then :
+if ${ac_cv_lib_tiff_TIFFError+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -22686,7 +22745,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tiff_TIFFError" >&5
 $as_echo "$ac_cv_lib_tiff_TIFFError" >&6; }
-if test "x$ac_cv_lib_tiff_TIFFError" = x""yes; then :
+if test "x$ac_cv_lib_tiff_TIFFError" = xyes; then :
   TIFF_LINK=" -ltiff"
 fi
 
@@ -22729,7 +22788,7 @@ if test "$wxUSE_EXPAT" != "no"; then
     if test "$wxUSE_EXPAT" = "sys" -o "$wxUSE_EXPAT" = "yes" ; then
         ac_fn_c_check_header_compile "$LINENO" "expat.h" "ac_cv_header_expat_h" "
 "
-if test "x$ac_cv_header_expat_h" = x""yes; then :
+if test "x$ac_cv_header_expat_h" = xyes; then :
   found_expat_h=1
 fi
 
@@ -22737,7 +22796,7 @@ fi
         if test "x$found_expat_h" = "x1"; then
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if expat.h is valid C++ header" >&5
 $as_echo_n "checking if expat.h is valid C++ header... " >&6; }
-if test "${wx_cv_expat_is_not_broken+set}" = set; then :
+if ${wx_cv_expat_is_not_broken+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -22779,7 +22838,7 @@ $as_echo "$wx_cv_expat_is_not_broken" >&6; }
             if test "$wx_cv_expat_is_not_broken" = "yes" ; then
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XML_ParserCreate in -lexpat" >&5
 $as_echo_n "checking for XML_ParserCreate in -lexpat... " >&6; }
-if test "${ac_cv_lib_expat_XML_ParserCreate+set}" = set; then :
+if ${ac_cv_lib_expat_XML_ParserCreate+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -22813,7 +22872,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_expat_XML_ParserCreate" >&5
 $as_echo "$ac_cv_lib_expat_XML_ParserCreate" >&6; }
-if test "x$ac_cv_lib_expat_XML_ParserCreate" = x""yes; then :
+if test "x$ac_cv_lib_expat_XML_ParserCreate" = xyes; then :
   EXPAT_LINK=" -lexpat"
 fi
 
@@ -22842,7 +22901,7 @@ fi
 if test "$wxUSE_LIBMSPACK" != "no"; then
     ac_fn_c_check_header_compile "$LINENO" "mspack.h" "ac_cv_header_mspack_h" "
 "
-if test "x$ac_cv_header_mspack_h" = x""yes; then :
+if test "x$ac_cv_header_mspack_h" = xyes; then :
   found_mspack_h=1
 fi
 
@@ -22850,7 +22909,7 @@ fi
     if test "x$found_mspack_h" = "x1"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mspack_create_chm_decompressor in -lmspack" >&5
 $as_echo_n "checking for mspack_create_chm_decompressor in -lmspack... " >&6; }
-if test "${ac_cv_lib_mspack_mspack_create_chm_decompressor+set}" = set; then :
+if ${ac_cv_lib_mspack_mspack_create_chm_decompressor+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -22884,7 +22943,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mspack_mspack_create_chm_decompressor" >&5
 $as_echo "$ac_cv_lib_mspack_mspack_create_chm_decompressor" >&6; }
-if test "x$ac_cv_lib_mspack_mspack_create_chm_decompressor" = x""yes; then :
+if test "x$ac_cv_lib_mspack_mspack_create_chm_decompressor" = xyes; then :
   MSPACK_LINK=" -lmspack"
 fi
 
@@ -22913,7 +22972,7 @@ if test "$USE_WIN32" = 1 ; then
 do :
   ac_fn_c_check_header_compile "$LINENO" "w32api.h" "ac_cv_header_w32api_h" "
 "
-if test "x$ac_cv_header_w32api_h" = x""yes; then :
+if test "x$ac_cv_header_w32api_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_W32API_H 1
 _ACEOF
@@ -22924,7 +22983,7 @@ done
 
     ac_fn_c_check_header_compile "$LINENO" "windows.h" "ac_cv_header_windows_h" "
 "
-if test "x$ac_cv_header_windows_h" = x""yes; then :
+if test "x$ac_cv_header_windows_h" = xyes; then :
 
 else
 
@@ -23001,7 +23060,7 @@ $as_echo "$as_me: WARNING: wxDragImage not supported under wxCocoa yet, disabled
 $as_echo_n "checking for GTK+ version... " >&6; }
 
         gtk_version_cached=1
-        if test "${wx_cv_lib_gtk+set}" = set; then :
+        if ${wx_cv_lib_gtk+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -23053,7 +23112,7 @@ fi
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -23067,7 +23126,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -23315,7 +23374,7 @@ fi
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -23329,7 +23388,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -23606,7 +23665,7 @@ fi
 set dummy gtk-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_GTK_CONFIG+set}" = set; then :
+if ${ac_cv_path_GTK_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $GTK_CONFIG in
@@ -23620,7 +23679,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_GTK_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -23878,7 +23937,7 @@ fi
 set dummy gtk-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_GTK_CONFIG+set}" = set; then :
+if ${ac_cv_path_GTK_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $GTK_CONFIG in
@@ -23892,7 +23951,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_GTK_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -24240,7 +24299,7 @@ $as_echo "$as_me: WARNING: Unicode configuration not supported with GTK+ 1.x" >&
 
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gdk_im_open in -lgdk" >&5
 $as_echo_n "checking for gdk_im_open in -lgdk... " >&6; }
-if test "${ac_cv_lib_gdk_gdk_im_open+set}" = set; then :
+if ${ac_cv_lib_gdk_gdk_im_open+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -24274,7 +24333,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gdk_gdk_im_open" >&5
 $as_echo "$ac_cv_lib_gdk_gdk_im_open" >&6; }
-if test "x$ac_cv_lib_gdk_gdk_im_open" = x""yes; then :
+if test "x$ac_cv_lib_gdk_gdk_im_open" = xyes; then :
   $as_echo "#define HAVE_XIM 1" >>confdefs.h
 
 fi
@@ -24284,7 +24343,7 @@ fi
                 for ac_func in poll
 do :
   ac_fn_c_check_func "$LINENO" "poll" "ac_cv_func_poll"
-if test "x$ac_cv_func_poll" = x""yes; then :
+if test "x$ac_cv_func_poll" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_POLL 1
 _ACEOF
@@ -24351,7 +24410,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -24365,7 +24424,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -24394,7 +24453,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -24408,7 +24467,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -24590,8 +24649,8 @@ if test "x$with_x" = xno; then
   have_x=disabled
 else
   case $x_includes,$x_libraries in #(
-    *\'*) as_fn_error $? "cannot use X directory names containing '" "$LINENO" 5 ;; #(
-    *,NONE | NONE,*) if test "${ac_cv_have_x+set}" = set; then :
+    *\'*) as_fn_error $? "cannot use X directory names containing '" "$LINENO" 5;; #(
+    *,NONE | NONE,*) if ${ac_cv_have_x+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   # One or both of the vars are not set, and there is no cached value.
@@ -24868,7 +24927,7 @@ if ac_fn_c_try_link "$LINENO"; then :
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet" >&5
 $as_echo_n "checking for dnet_ntoa in -ldnet... " >&6; }
-if test "${ac_cv_lib_dnet_dnet_ntoa+set}" = set; then :
+if ${ac_cv_lib_dnet_dnet_ntoa+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -24902,14 +24961,14 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_dnet_ntoa" >&5
 $as_echo "$ac_cv_lib_dnet_dnet_ntoa" >&6; }
-if test "x$ac_cv_lib_dnet_dnet_ntoa" = x""yes; then :
+if test "x$ac_cv_lib_dnet_dnet_ntoa" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
 fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet_stub" >&5
 $as_echo_n "checking for dnet_ntoa in -ldnet_stub... " >&6; }
-if test "${ac_cv_lib_dnet_stub_dnet_ntoa+set}" = set; then :
+if ${ac_cv_lib_dnet_stub_dnet_ntoa+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -24943,7 +25002,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_stub_dnet_ntoa" >&5
 $as_echo "$ac_cv_lib_dnet_stub_dnet_ntoa" >&6; }
-if test "x$ac_cv_lib_dnet_stub_dnet_ntoa" = x""yes; then :
+if test "x$ac_cv_lib_dnet_stub_dnet_ntoa" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
 fi
 
@@ -24962,14 +25021,14 @@ rm -f core conftest.err conftest.$ac_objext \
     # The functions gethostbyname, getservbyname, and inet_addr are
     # in -lbsd on LynxOS 3.0.1/i386, according to Lars Hecking.
     ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
-if test "x$ac_cv_func_gethostbyname" = x""yes; then :
+if test "x$ac_cv_func_gethostbyname" = xyes; then :
 
 fi
 
     if test $ac_cv_func_gethostbyname = no; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
 $as_echo_n "checking for gethostbyname in -lnsl... " >&6; }
-if test "${ac_cv_lib_nsl_gethostbyname+set}" = set; then :
+if ${ac_cv_lib_nsl_gethostbyname+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -25003,14 +25062,14 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
 $as_echo "$ac_cv_lib_nsl_gethostbyname" >&6; }
-if test "x$ac_cv_lib_nsl_gethostbyname" = x""yes; then :
+if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
 fi
 
       if test $ac_cv_lib_nsl_gethostbyname = no; then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lbsd" >&5
 $as_echo_n "checking for gethostbyname in -lbsd... " >&6; }
-if test "${ac_cv_lib_bsd_gethostbyname+set}" = set; then :
+if ${ac_cv_lib_bsd_gethostbyname+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -25044,7 +25103,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_gethostbyname" >&5
 $as_echo "$ac_cv_lib_bsd_gethostbyname" >&6; }
-if test "x$ac_cv_lib_bsd_gethostbyname" = x""yes; then :
+if test "x$ac_cv_lib_bsd_gethostbyname" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lbsd"
 fi
 
@@ -25059,14 +25118,14 @@ fi
     # must be given before -lnsl if both are needed.  We assume that
     # if connect needs -lnsl, so does gethostbyname.
     ac_fn_c_check_func "$LINENO" "connect" "ac_cv_func_connect"
-if test "x$ac_cv_func_connect" = x""yes; then :
+if test "x$ac_cv_func_connect" = xyes; then :
 
 fi
 
     if test $ac_cv_func_connect = no; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for connect in -lsocket" >&5
 $as_echo_n "checking for connect in -lsocket... " >&6; }
-if test "${ac_cv_lib_socket_connect+set}" = set; then :
+if ${ac_cv_lib_socket_connect+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -25100,7 +25159,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_connect" >&5
 $as_echo "$ac_cv_lib_socket_connect" >&6; }
-if test "x$ac_cv_lib_socket_connect" = x""yes; then :
+if test "x$ac_cv_lib_socket_connect" = xyes; then :
   X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS"
 fi
 
@@ -25108,14 +25167,14 @@ fi
 
     # Guillermo Gomez says -lposix is necessary on A/UX.
     ac_fn_c_check_func "$LINENO" "remove" "ac_cv_func_remove"
-if test "x$ac_cv_func_remove" = x""yes; then :
+if test "x$ac_cv_func_remove" = xyes; then :
 
 fi
 
     if test $ac_cv_func_remove = no; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for remove in -lposix" >&5
 $as_echo_n "checking for remove in -lposix... " >&6; }
-if test "${ac_cv_lib_posix_remove+set}" = set; then :
+if ${ac_cv_lib_posix_remove+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -25149,7 +25208,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_posix_remove" >&5
 $as_echo "$ac_cv_lib_posix_remove" >&6; }
-if test "x$ac_cv_lib_posix_remove" = x""yes; then :
+if test "x$ac_cv_lib_posix_remove" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix"
 fi
 
@@ -25157,14 +25216,14 @@ fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     ac_fn_c_check_func "$LINENO" "shmat" "ac_cv_func_shmat"
-if test "x$ac_cv_func_shmat" = x""yes; then :
+if test "x$ac_cv_func_shmat" = xyes; then :
 
 fi
 
     if test $ac_cv_func_shmat = no; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shmat in -lipc" >&5
 $as_echo_n "checking for shmat in -lipc... " >&6; }
-if test "${ac_cv_lib_ipc_shmat+set}" = set; then :
+if ${ac_cv_lib_ipc_shmat+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -25198,7 +25257,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ipc_shmat" >&5
 $as_echo "$ac_cv_lib_ipc_shmat" >&6; }
-if test "x$ac_cv_lib_ipc_shmat" = x""yes; then :
+if test "x$ac_cv_lib_ipc_shmat" = xyes; then :
   X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc"
 fi
 
@@ -25216,7 +25275,7 @@ fi
   # John Interrante, Karl Berry
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for IceConnectionNumber in -lICE" >&5
 $as_echo_n "checking for IceConnectionNumber in -lICE... " >&6; }
-if test "${ac_cv_lib_ICE_IceConnectionNumber+set}" = set; then :
+if ${ac_cv_lib_ICE_IceConnectionNumber+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -25250,7 +25309,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ICE_IceConnectionNumber" >&5
 $as_echo "$ac_cv_lib_ICE_IceConnectionNumber" >&6; }
-if test "x$ac_cv_lib_ICE_IceConnectionNumber" = x""yes; then :
+if test "x$ac_cv_lib_ICE_IceConnectionNumber" = xyes; then :
   X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"
 fi
 
@@ -25295,7 +25354,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -25309,7 +25368,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -25338,7 +25397,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -25352,7 +25411,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -25654,7 +25713,7 @@ fi
             for ac_func in pango_font_family_is_monospace
 do :
   ac_fn_c_check_func "$LINENO" "pango_font_family_is_monospace" "ac_cv_func_pango_font_family_is_monospace"
-if test "x$ac_cv_func_pango_font_family_is_monospace" = x""yes; then :
+if test "x$ac_cv_func_pango_font_family_is_monospace" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE 1
 _ACEOF
@@ -25885,7 +25944,7 @@ $as_echo "can't find the right libraries" >&6; }
 
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SgCreateList in -lSgm" >&5
 $as_echo_n "checking for SgCreateList in -lSgm... " >&6; }
-if test "${ac_cv_lib_Sgm_SgCreateList+set}" = set; then :
+if ${ac_cv_lib_Sgm_SgCreateList+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -25919,7 +25978,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Sgm_SgCreateList" >&5
 $as_echo "$ac_cv_lib_Sgm_SgCreateList" >&6; }
-if test "x$ac_cv_lib_Sgm_SgCreateList" = x""yes; then :
+if test "x$ac_cv_lib_Sgm_SgCreateList" = xyes; then :
   libsgm_link=" -lSgm"
 fi
 
@@ -25929,7 +25988,7 @@ fi
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Motif 2" >&5
 $as_echo_n "checking for Motif 2... " >&6; }
-if test "${wx_cv_lib_motif2+set}" = set; then :
+if ${wx_cv_lib_motif2+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -25968,7 +26027,7 @@ $as_echo "$wx_cv_lib_motif2" >&6; }
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Motif is Lesstif" >&5
 $as_echo_n "checking whether Motif is Lesstif... " >&6; }
-if test "${wx_cv_lib_lesstif+set}" = set; then :
+if ${wx_cv_lib_lesstif+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -26049,7 +26108,7 @@ $as_echo "found in $ac_find_libraries" >&6; }
 
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for X11/xpm.h" >&5
 $as_echo_n "checking for X11/xpm.h... " >&6; }
-if test "${wx_cv_x11_xpm_h+set}" = set; then :
+if ${wx_cv_x11_xpm_h+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -26101,7 +26160,7 @@ $as_echo "$as_me: WARNING: built-in less efficient XPM decoder will be used" >&2
 
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XShapeQueryExtension in -lXext" >&5
 $as_echo_n "checking for XShapeQueryExtension in -lXext... " >&6; }
-if test "${ac_cv_lib_Xext_XShapeQueryExtension+set}" = set; then :
+if ${ac_cv_lib_Xext_XShapeQueryExtension+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -26135,7 +26194,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xext_XShapeQueryExtension" >&5
 $as_echo "$ac_cv_lib_Xext_XShapeQueryExtension" >&6; }
-if test "x$ac_cv_lib_Xext_XShapeQueryExtension" = x""yes; then :
+if test "x$ac_cv_lib_Xext_XShapeQueryExtension" = xyes; then :
 
                       GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXext"
                       wxHAVE_XEXT_LIB=1
@@ -26236,7 +26295,7 @@ $as_echo "none" >&6; }
         GUIDIST=PM_DIST
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type SPBCDATA" >&5
 $as_echo_n "checking for type SPBCDATA... " >&6; }
-if test "${wx_cv_spbcdata+set}" = set; then :
+if ${wx_cv_spbcdata+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -26309,7 +26368,7 @@ if test "$wxUSE_GUI" = "yes"; then
 do :
   ac_fn_c_check_header_compile "$LINENO" "X11/Xlib.h" "ac_cv_header_X11_Xlib_h" "
 "
-if test "x$ac_cv_header_X11_Xlib_h" = x""yes; then :
+if test "x$ac_cv_header_X11_Xlib_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_X11_XLIB_H 1
 _ACEOF
@@ -26326,7 +26385,7 @@ do :
                           #endif
 
 "
-if test "x$ac_cv_header_X11_XKBlib_h" = x""yes; then :
+if test "x$ac_cv_header_X11_XKBlib_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_X11_XKBLIB_H 1
 _ACEOF
@@ -26355,7 +26414,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -26369,7 +26428,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -26398,7 +26457,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -26412,7 +26471,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -26527,7 +26586,7 @@ fi
                 if test "xXineramaQueryScreens" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XineramaQueryScreens in -lXinerama" >&5
 $as_echo_n "checking for XineramaQueryScreens in -lXinerama... " >&6; }
-if test "${ac_cv_lib_Xinerama_XineramaQueryScreens+set}" = set; then :
+if ${ac_cv_lib_Xinerama_XineramaQueryScreens+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -26561,7 +26620,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xinerama_XineramaQueryScreens" >&5
 $as_echo "$ac_cv_lib_Xinerama_XineramaQueryScreens" >&6; }
-if test "x$ac_cv_lib_Xinerama_XineramaQueryScreens" = x""yes; then :
+if test "x$ac_cv_lib_Xinerama_XineramaQueryScreens" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -26598,7 +26657,7 @@ elif test $pkg_failed = untried; then
                 if test "xXineramaQueryScreens" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XineramaQueryScreens in -lXinerama" >&5
 $as_echo_n "checking for XineramaQueryScreens in -lXinerama... " >&6; }
-if test "${ac_cv_lib_Xinerama_XineramaQueryScreens+set}" = set; then :
+if ${ac_cv_lib_Xinerama_XineramaQueryScreens+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -26632,7 +26691,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xinerama_XineramaQueryScreens" >&5
 $as_echo "$ac_cv_lib_Xinerama_XineramaQueryScreens" >&6; }
-if test "x$ac_cv_lib_Xinerama_XineramaQueryScreens" = x""yes; then :
+if test "x$ac_cv_lib_Xinerama_XineramaQueryScreens" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -26712,7 +26771,7 @@ $as_echo "$as_me: WARNING: Xinerama not found; disabling wxDisplay" >&2;}
     elif test "$wxUSE_MSW" = 1; then
                 ac_fn_c_check_header_compile "$LINENO" "ddraw.h" "ac_cv_header_ddraw_h" "#include <windows.h>
 "
-if test "x$ac_cv_header_ddraw_h" = x""yes; then :
+if test "x$ac_cv_header_ddraw_h" = xyes; then :
 
 fi
 
@@ -26734,7 +26793,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -26748,7 +26807,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -26777,7 +26836,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -26791,7 +26850,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -26906,7 +26965,7 @@ fi
                 if test "xXF86VidModeQueryExtension" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XF86VidModeQueryExtension in -lXxf86vm" >&5
 $as_echo_n "checking for XF86VidModeQueryExtension in -lXxf86vm... " >&6; }
-if test "${ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension+set}" = set; then :
+if ${ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -26940,7 +26999,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" >&5
 $as_echo "$ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" >&6; }
-if test "x$ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" = x""yes; then :
+if test "x$ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -26977,7 +27036,7 @@ elif test $pkg_failed = untried; then
                 if test "xXF86VidModeQueryExtension" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XF86VidModeQueryExtension in -lXxf86vm" >&5
 $as_echo_n "checking for XF86VidModeQueryExtension in -lXxf86vm... " >&6; }
-if test "${ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension+set}" = set; then :
+if ${ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -27011,7 +27070,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" >&5
 $as_echo "$ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" >&6; }
-if test "x$ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" = x""yes; then :
+if test "x$ac_cv_lib_Xxf86vm_XF86VidModeQueryExtension" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -27071,7 +27130,7 @@ do :
                                   #endif
 
 "
-if test "x$ac_cv_header_X11_extensions_xf86vmode_h" = x""yes; then :
+if test "x$ac_cv_header_X11_extensions_xf86vmode_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_X11_EXTENSIONS_XF86VMODE_H 1
 _ACEOF
@@ -27100,7 +27159,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -27114,7 +27173,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -27143,7 +27202,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -27157,7 +27216,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -27272,7 +27331,7 @@ fi
                 if test "xSmcOpenConnection" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SmcOpenConnection in -lSM" >&5
 $as_echo_n "checking for SmcOpenConnection in -lSM... " >&6; }
-if test "${ac_cv_lib_SM_SmcOpenConnection+set}" = set; then :
+if ${ac_cv_lib_SM_SmcOpenConnection+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -27306,7 +27365,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SM_SmcOpenConnection" >&5
 $as_echo "$ac_cv_lib_SM_SmcOpenConnection" >&6; }
-if test "x$ac_cv_lib_SM_SmcOpenConnection" = x""yes; then :
+if test "x$ac_cv_lib_SM_SmcOpenConnection" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -27343,7 +27402,7 @@ elif test $pkg_failed = untried; then
                 if test "xSmcOpenConnection" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SmcOpenConnection in -lSM" >&5
 $as_echo_n "checking for SmcOpenConnection in -lSM... " >&6; }
-if test "${ac_cv_lib_SM_SmcOpenConnection+set}" = set; then :
+if ${ac_cv_lib_SM_SmcOpenConnection+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -27377,7 +27436,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_SM_SmcOpenConnection" >&5
 $as_echo "$ac_cv_lib_SM_SmcOpenConnection" >&6; }
-if test "x$ac_cv_lib_SM_SmcOpenConnection" = x""yes; then :
+if test "x$ac_cv_lib_SM_SmcOpenConnection" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -27506,11 +27565,11 @@ $as_echo "not found" >&6; }
 
         ac_fn_c_check_header_compile "$LINENO" "GL/gl.h" "ac_cv_header_GL_gl_h" "
 "
-if test "x$ac_cv_header_GL_gl_h" = x""yes; then :
+if test "x$ac_cv_header_GL_gl_h" = xyes; then :
 
             ac_fn_c_check_header_compile "$LINENO" "GL/glu.h" "ac_cv_header_GL_glu_h" "
 "
-if test "x$ac_cv_header_GL_glu_h" = x""yes; then :
+if test "x$ac_cv_header_GL_glu_h" = xyes; then :
 
                 found_gl=0
 
@@ -27526,7 +27585,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -27540,7 +27599,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -27569,7 +27628,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -27583,7 +27642,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -27698,7 +27757,7 @@ fi
                 if test "xglBegin" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glBegin in -lGL" >&5
 $as_echo_n "checking for glBegin in -lGL... " >&6; }
-if test "${ac_cv_lib_GL_glBegin+set}" = set; then :
+if ${ac_cv_lib_GL_glBegin+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -27732,7 +27791,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GL_glBegin" >&5
 $as_echo "$ac_cv_lib_GL_glBegin" >&6; }
-if test "x$ac_cv_lib_GL_glBegin" = x""yes; then :
+if test "x$ac_cv_lib_GL_glBegin" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -27769,7 +27828,7 @@ elif test $pkg_failed = untried; then
                 if test "xglBegin" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glBegin in -lGL" >&5
 $as_echo_n "checking for glBegin in -lGL... " >&6; }
-if test "${ac_cv_lib_GL_glBegin+set}" = set; then :
+if ${ac_cv_lib_GL_glBegin+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -27803,7 +27862,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GL_glBegin" >&5
 $as_echo "$ac_cv_lib_GL_glBegin" >&6; }
-if test "x$ac_cv_lib_GL_glBegin" = x""yes; then :
+if test "x$ac_cv_lib_GL_glBegin" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -27886,7 +27945,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -27900,7 +27959,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -27929,7 +27988,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -27943,7 +28002,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -28058,7 +28117,7 @@ fi
                 if test "xgluBeginCurve" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gluBeginCurve in -lGLU" >&5
 $as_echo_n "checking for gluBeginCurve in -lGLU... " >&6; }
-if test "${ac_cv_lib_GLU_gluBeginCurve+set}" = set; then :
+if ${ac_cv_lib_GLU_gluBeginCurve+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -28092,7 +28151,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GLU_gluBeginCurve" >&5
 $as_echo "$ac_cv_lib_GLU_gluBeginCurve" >&6; }
-if test "x$ac_cv_lib_GLU_gluBeginCurve" = x""yes; then :
+if test "x$ac_cv_lib_GLU_gluBeginCurve" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -28129,7 +28188,7 @@ elif test $pkg_failed = untried; then
                 if test "xgluBeginCurve" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gluBeginCurve in -lGLU" >&5
 $as_echo_n "checking for gluBeginCurve in -lGLU... " >&6; }
-if test "${ac_cv_lib_GLU_gluBeginCurve+set}" = set; then :
+if ${ac_cv_lib_GLU_gluBeginCurve+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -28163,7 +28222,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GLU_gluBeginCurve" >&5
 $as_echo "$ac_cv_lib_GLU_gluBeginCurve" >&6; }
-if test "x$ac_cv_lib_GLU_gluBeginCurve" = x""yes; then :
+if test "x$ac_cv_lib_GLU_gluBeginCurve" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -28253,7 +28312,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -28267,7 +28326,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -28296,7 +28355,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -28310,7 +28369,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -28425,7 +28484,7 @@ fi
                 if test "xglEnable" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glEnable in -lMesaGL" >&5
 $as_echo_n "checking for glEnable in -lMesaGL... " >&6; }
-if test "${ac_cv_lib_MesaGL_glEnable+set}" = set; then :
+if ${ac_cv_lib_MesaGL_glEnable+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -28459,7 +28518,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_MesaGL_glEnable" >&5
 $as_echo "$ac_cv_lib_MesaGL_glEnable" >&6; }
-if test "x$ac_cv_lib_MesaGL_glEnable" = x""yes; then :
+if test "x$ac_cv_lib_MesaGL_glEnable" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -28496,7 +28555,7 @@ elif test $pkg_failed = untried; then
                 if test "xglEnable" != "x"; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glEnable in -lMesaGL" >&5
 $as_echo_n "checking for glEnable in -lMesaGL... " >&6; }
-if test "${ac_cv_lib_MesaGL_glEnable+set}" = set; then :
+if ${ac_cv_lib_MesaGL_glEnable+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -28530,7 +28589,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_MesaGL_glEnable" >&5
 $as_echo "$ac_cv_lib_MesaGL_glEnable" >&6; }
-if test "x$ac_cv_lib_MesaGL_glEnable" = x""yes; then :
+if test "x$ac_cv_lib_MesaGL_glEnable" = xyes; then :
   ac_find_libraries="std"
 fi
 
@@ -28670,7 +28729,7 @@ if test "$wxUSE_SHARED" = "yes"; then
         *)
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker accepts --version-script" >&5
 $as_echo_n "checking if the linker accepts --version-script... " >&6; }
-if test "${wx_cv_version_script+set}" = set; then :
+if ${wx_cv_version_script+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -28755,7 +28814,7 @@ $as_echo "$wx_cv_version_script" >&6; }
     CXXFLAGS_VISIBILITY="-fvisibility=hidden -fvisibility-inlines-hidden"
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for symbols visibility support" >&5
 $as_echo_n "checking for symbols visibility support... " >&6; }
-    if test "${wx_cv_cc_visibility+set}" = set; then :
+    if ${wx_cv_cc_visibility+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -28822,7 +28881,7 @@ $as_echo "$wx_cv_cc_visibility" >&6; }
     if test $wx_cv_cc_visibility = yes; then
                               { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken libstdc++ visibility" >&5
 $as_echo_n "checking for broken libstdc++ visibility... " >&6; }
-      if test "${wx_cv_cc_broken_libstdcxx_visibility+set}" = set; then :
+      if ${wx_cv_cc_broken_libstdcxx_visibility+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -28875,7 +28934,7 @@ $as_echo "$wx_cv_cc_broken_libstdcxx_visibility" >&6; }
       if test $wx_cv_cc_broken_libstdcxx_visibility = yes; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we can work around it" >&5
 $as_echo_n "checking whether we can work around it... " >&6; }
-        if test "${wx_cv_cc_visibility_workaround+set}" = set; then :
+        if ${wx_cv_cc_visibility_workaround+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29165,7 +29224,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -29182,7 +29241,7 @@ fi
 
 
 ac_fn_c_check_type "$LINENO" "mode_t" "ac_cv_type_mode_t" "$ac_includes_default"
-if test "x$ac_cv_type_mode_t" = x""yes; then :
+if test "x$ac_cv_type_mode_t" = xyes; then :
 
 else
 
@@ -29193,7 +29252,7 @@ _ACEOF
 fi
 
 ac_fn_c_check_type "$LINENO" "off_t" "ac_cv_type_off_t" "$ac_includes_default"
-if test "x$ac_cv_type_off_t" = x""yes; then :
+if test "x$ac_cv_type_off_t" = xyes; then :
 
 else
 
@@ -29204,7 +29263,7 @@ _ACEOF
 fi
 
 ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default"
-if test "x$ac_cv_type_pid_t" = x""yes; then :
+if test "x$ac_cv_type_pid_t" = xyes; then :
 
 else
 
@@ -29215,7 +29274,7 @@ _ACEOF
 fi
 
 ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
-if test "x$ac_cv_type_size_t" = x""yes; then :
+if test "x$ac_cv_type_size_t" = xyes; then :
 
 else
 
@@ -29227,7 +29286,7 @@ fi
 
 
 ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "$ac_includes_default"
-if test "x$ac_cv_type_ssize_t" = x""yes; then :
+if test "x$ac_cv_type_ssize_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_SSIZE_T 1
@@ -29244,7 +29303,7 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if size_t is unsigned int" >&5
 $as_echo_n "checking if size_t is unsigned int... " >&6; }
-if test "${wx_cv_size_t_is_uint+set}" = set; then :
+if ${wx_cv_size_t_is_uint+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29284,7 +29343,7 @@ if test "$wx_cv_size_t_is_uint" = "yes"; then
 else
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking if size_t is unsigned long" >&5
 $as_echo_n "checking if size_t is unsigned long... " >&6; }
-if test "${wx_cv_size_t_is_ulong+set}" = set; then :
+if ${wx_cv_size_t_is_ulong+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -29324,7 +29383,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if wchar_t is separate type" >&5
 $as_echo_n "checking if wchar_t is separate type... " >&6; }
-if test "${wx_cv_wchar_t_is_separate_type+set}" = set; then :
+if ${wx_cv_wchar_t_is_separate_type+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -29376,7 +29435,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pw_gecos in struct passwd" >&5
 $as_echo_n "checking for pw_gecos in struct passwd... " >&6; }
-if test "${wx_cv_struct_pw_gecos+set}" = set; then :
+if ${wx_cv_struct_pw_gecos+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29423,7 +29482,7 @@ WCHAR_LINK=
 for ac_func in wcslen
 do :
   ac_fn_c_check_func "$LINENO" "wcslen" "ac_cv_func_wcslen"
-if test "x$ac_cv_func_wcslen" = x""yes; then :
+if test "x$ac_cv_func_wcslen" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_WCSLEN 1
 _ACEOF
@@ -29436,7 +29495,7 @@ if test "$WCSLEN_FOUND" = 0; then
     if test "$TOOLKIT" = "MSW"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for wcslen in -lmsvcrt" >&5
 $as_echo_n "checking for wcslen in -lmsvcrt... " >&6; }
-if test "${ac_cv_lib_msvcrt_wcslen+set}" = set; then :
+if ${ac_cv_lib_msvcrt_wcslen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -29470,14 +29529,14 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_msvcrt_wcslen" >&5
 $as_echo "$ac_cv_lib_msvcrt_wcslen" >&6; }
-if test "x$ac_cv_lib_msvcrt_wcslen" = x""yes; then :
+if test "x$ac_cv_lib_msvcrt_wcslen" = xyes; then :
   WCHAR_OK=1
 fi
 
     else
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for wcslen in -lw" >&5
 $as_echo_n "checking for wcslen in -lw... " >&6; }
-if test "${ac_cv_lib_w_wcslen+set}" = set; then :
+if ${ac_cv_lib_w_wcslen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -29511,7 +29570,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_w_wcslen" >&5
 $as_echo "$ac_cv_lib_w_wcslen" >&6; }
-if test "x$ac_cv_lib_w_wcslen" = x""yes; then :
+if test "x$ac_cv_lib_w_wcslen" = xyes; then :
 
                         WCHAR_LINK=" -lw"
                         WCSLEN_FOUND=1
@@ -29545,7 +29604,7 @@ fi
 
 ac_fn_c_check_type "$LINENO" "mbstate_t" "ac_cv_type_mbstate_t" "#include <wchar.h>
 "
-if test "x$ac_cv_type_mbstate_t" = x""yes; then :
+if test "x$ac_cv_type_mbstate_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_MBSTATE_T 1
@@ -29554,7 +29613,7 @@ _ACEOF
 for ac_func in wcsrtombs
 do :
   ac_fn_c_check_func "$LINENO" "wcsrtombs" "ac_cv_func_wcsrtombs"
-if test "x$ac_cv_func_wcsrtombs" = x""yes; then :
+if test "x$ac_cv_func_wcsrtombs" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_WCSRTOMBS 1
 _ACEOF
@@ -29587,7 +29646,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 if test "$ac_cv_func_vsnprintf" = "yes"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for vsnprintf declaration" >&5
 $as_echo_n "checking for vsnprintf declaration... " >&6; }
-if test "${wx_cv_func_vsnprintf_decl+set}" = set; then :
+if ${wx_cv_func_vsnprintf_decl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29628,7 +29687,7 @@ $as_echo "$wx_cv_func_vsnprintf_decl" >&6; }
 
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if vsnprintf declaration is broken" >&5
 $as_echo_n "checking if vsnprintf declaration is broken... " >&6; }
-if test "${wx_cv_func_broken_vsnprintf_decl+set}" = set; then :
+if ${wx_cv_func_broken_vsnprintf_decl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29680,7 +29739,7 @@ fi
 if test "$ac_cv_func_snprintf" = "yes"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for snprintf declaration" >&5
 $as_echo_n "checking for snprintf declaration... " >&6; }
-if test "${wx_cv_func_snprintf_decl+set}" = set; then :
+if ${wx_cv_func_snprintf_decl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29729,7 +29788,7 @@ $as_echo "$wx_cv_func_snprintf_decl" >&6; }
 
                                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if snprintf supports positional arguments" >&5
 $as_echo_n "checking if snprintf supports positional arguments... " >&6; }
-if test "${wx_cv_func_snprintf_pos_params+set}" = set; then :
+if ${wx_cv_func_snprintf_pos_params+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29783,7 +29842,7 @@ fi
 if test "$ac_cv_func_vsscanf" = "yes"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for vsscanf declaration" >&5
 $as_echo_n "checking for vsscanf declaration... " >&6; }
-if test "${wx_cv_func_vsscanf_decl+set}" = set; then :
+if ${wx_cv_func_vsscanf_decl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29846,7 +29905,7 @@ if test "$wxUSE_UNICODE" = yes; then
 do :
   ac_fn_c_check_header_compile "$LINENO" "widec.h" "ac_cv_header_widec_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_widec_h" = x""yes; then :
+if test "x$ac_cv_header_widec_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_WIDEC_H 1
 _ACEOF
@@ -29866,7 +29925,7 @@ done
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -29949,7 +30008,7 @@ if test "$wxUSE_FILE" = "yes"; then
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30013,7 +30072,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30090,7 +30149,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for iconv" >&5
 $as_echo_n "checking for iconv... " >&6; }
-if test "${am_cv_func_iconv+set}" = set; then :
+if ${am_cv_func_iconv+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30150,7 +30209,7 @@ $as_echo "#define HAVE_ICONV 1" >>confdefs.h
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking if iconv needs const" >&5
 $as_echo_n "checking if iconv needs const... " >&6; }
-if test "${wx_cv_func_iconv_const+set}" = set; then :
+if ${wx_cv_func_iconv_const+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -30212,7 +30271,7 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     for ac_func in sigaction
 do :
   ac_fn_c_check_func "$LINENO" "sigaction" "ac_cv_func_sigaction"
-if test "x$ac_cv_func_sigaction" = x""yes; then :
+if test "x$ac_cv_func_sigaction" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SIGACTION 1
 _ACEOF
@@ -30230,7 +30289,7 @@ $as_echo "$as_me: WARNING: No POSIX signal functions on this system, wxApp::OnFa
     if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sa_handler type" >&5
 $as_echo_n "checking for sa_handler type... " >&6; }
-if test "${wx_cv_type_sa_handler+set}" = set; then :
+if ${wx_cv_type_sa_handler+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30287,7 +30346,7 @@ fi
 if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for backtrace() in <execinfo.h>" >&5
 $as_echo_n "checking for backtrace() in <execinfo.h>... " >&6; }
-if test "${wx_cv_func_backtrace+set}" = set; then :
+if ${wx_cv_func_backtrace+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30341,7 +30400,7 @@ $as_echo "$as_me: WARNING: backtrace() is not available, wxStackWalker will not
     else
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __cxa_demangle() in <cxxabi.h>" >&5
 $as_echo_n "checking for __cxa_demangle() in <cxxabi.h>... " >&6; }
-if test "${wx_cv_func_cxa_demangle+set}" = set; then :
+if ${wx_cv_func_cxa_demangle+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30414,7 +30473,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for statfs" >&5
 $as_echo_n "checking for statfs... " >&6; }
-if test "${wx_cv_func_statfs+set}" = set; then :
+if ${wx_cv_func_statfs+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -30457,7 +30516,7 @@ $as_echo "$wx_cv_func_statfs" >&6; }
 if test "$wx_cv_func_statfs" = "yes"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for statfs declaration" >&5
 $as_echo_n "checking for statfs declaration... " >&6; }
-if test "${wx_cv_func_statfs_decl+set}" = set; then :
+if ${wx_cv_func_statfs_decl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_ext=cpp
@@ -30516,7 +30575,7 @@ $as_echo "$wx_cv_func_statfs_decl" >&6; }
 else
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for statvfs" >&5
 $as_echo_n "checking for statvfs... " >&6; }
-if test "${wx_cv_func_statvfs+set}" = set; then :
+if ${wx_cv_func_statvfs+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -30550,7 +30609,7 @@ $as_echo "$wx_cv_func_statvfs" >&6; }
     if test "$wx_cv_func_statvfs" = "yes"; then
                                                                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for statvfs argument type" >&5
 $as_echo_n "checking for statvfs argument type... " >&6; }
-if test "${wx_cv_type_statvfs_t+set}" = set; then :
+if ${wx_cv_type_statvfs_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_ext=cpp
@@ -30681,7 +30740,7 @@ if test "$ac_cv_func_setenv" = "yes"; then
     for ac_func in unsetenv
 do :
   ac_fn_c_check_func "$LINENO" "unsetenv" "ac_cv_func_unsetenv"
-if test "x$ac_cv_func_unsetenv" = x""yes; then :
+if test "x$ac_cv_func_unsetenv" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_UNSETENV 1
 _ACEOF
@@ -30709,7 +30768,7 @@ if test "$HAVE_SOME_SLEEP_FUNC" != 1; then
     for ac_func in nanosleep
 do :
   ac_fn_c_check_func "$LINENO" "nanosleep" "ac_cv_func_nanosleep"
-if test "x$ac_cv_func_nanosleep" = x""yes; then :
+if test "x$ac_cv_func_nanosleep" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_NANOSLEEP 1
 _ACEOF
@@ -30719,7 +30778,7 @@ else
 
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for nanosleep in -lposix4" >&5
 $as_echo_n "checking for nanosleep in -lposix4... " >&6; }
-if test "${ac_cv_lib_posix4_nanosleep+set}" = set; then :
+if ${ac_cv_lib_posix4_nanosleep+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -30753,7 +30812,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_posix4_nanosleep" >&5
 $as_echo "$ac_cv_lib_posix4_nanosleep" >&6; }
-if test "x$ac_cv_lib_posix4_nanosleep" = x""yes; then :
+if test "x$ac_cv_lib_posix4_nanosleep" = xyes; then :
 
                     $as_echo "#define HAVE_NANOSLEEP 1" >>confdefs.h
 
@@ -30766,7 +30825,7 @@ else
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30835,7 +30894,7 @@ fi
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30892,7 +30951,7 @@ if test "$wx_cv_func_uname" != yes; then
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -30950,7 +31009,7 @@ fi
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -31006,7 +31065,7 @@ INET_LINK=
 for ac_func in inet_addr
 do :
   ac_fn_c_check_func "$LINENO" "inet_addr" "ac_cv_func_inet_addr"
-if test "x$ac_cv_func_inet_addr" = x""yes; then :
+if test "x$ac_cv_func_inet_addr" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_INET_ADDR 1
 _ACEOF
@@ -31016,7 +31075,7 @@ else
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_addr in -lnsl" >&5
 $as_echo_n "checking for inet_addr in -lnsl... " >&6; }
-if test "${ac_cv_lib_nsl_inet_addr+set}" = set; then :
+if ${ac_cv_lib_nsl_inet_addr+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31050,13 +31109,13 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_inet_addr" >&5
 $as_echo "$ac_cv_lib_nsl_inet_addr" >&6; }
-if test "x$ac_cv_lib_nsl_inet_addr" = x""yes; then :
+if test "x$ac_cv_lib_nsl_inet_addr" = xyes; then :
   INET_LINK="nsl"
 else
 
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_addr in -lresolv" >&5
 $as_echo_n "checking for inet_addr in -lresolv... " >&6; }
-if test "${ac_cv_lib_resolv_inet_addr+set}" = set; then :
+if ${ac_cv_lib_resolv_inet_addr+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31090,13 +31149,13 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_inet_addr" >&5
 $as_echo "$ac_cv_lib_resolv_inet_addr" >&6; }
-if test "x$ac_cv_lib_resolv_inet_addr" = x""yes; then :
+if test "x$ac_cv_lib_resolv_inet_addr" = xyes; then :
   INET_LINK="resolv"
 else
 
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_addr in -lsocket" >&5
 $as_echo_n "checking for inet_addr in -lsocket... " >&6; }
-if test "${ac_cv_lib_socket_inet_addr+set}" = set; then :
+if ${ac_cv_lib_socket_inet_addr+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31130,7 +31189,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_inet_addr" >&5
 $as_echo "$ac_cv_lib_socket_inet_addr" >&6; }
-if test "x$ac_cv_lib_socket_inet_addr" = x""yes; then :
+if test "x$ac_cv_lib_socket_inet_addr" = xyes; then :
   INET_LINK="socket"
 
 fi
@@ -31152,7 +31211,7 @@ done
 for ac_func in inet_aton
 do :
   ac_fn_c_check_func "$LINENO" "inet_aton" "ac_cv_func_inet_aton"
-if test "x$ac_cv_func_inet_aton" = x""yes; then :
+if test "x$ac_cv_func_inet_aton" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_INET_ATON 1
 _ACEOF
@@ -31163,7 +31222,7 @@ else
                         as_ac_Lib=`$as_echo "ac_cv_lib_$INET_LINK''_inet_aton" | $as_tr_sh`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_aton in -l$INET_LINK" >&5
 $as_echo_n "checking for inet_aton in -l$INET_LINK... " >&6; }
-if eval "test \"\${$as_ac_Lib+set}\"" = set; then :
+if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31219,7 +31278,7 @@ fi
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -31277,7 +31336,7 @@ if test "$wxUSE_TARSTREAM" = "yes"; then
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -31334,7 +31393,7 @@ _ACEOF
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -31398,7 +31457,7 @@ _ACEOF
   do
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $wx_func" >&5
 $as_echo_n "checking for $wx_func... " >&6; }
-if eval "test \"\${wx_cv_func_$wx_func+set}\"" = set; then :
+if eval \${wx_cv_func_$wx_func+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -31526,10 +31585,21 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -31712,7 +31782,7 @@ $as_echo "${flag}" >&6; }
         for ac_func in pthread_setconcurrency
 do :
   ac_fn_c_check_func "$LINENO" "pthread_setconcurrency" "ac_cv_func_pthread_setconcurrency"
-if test "x$ac_cv_func_pthread_setconcurrency" = x""yes; then :
+if test "x$ac_cv_func_pthread_setconcurrency" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_PTHREAD_SETCONCURRENCY 1
 _ACEOF
@@ -31723,7 +31793,7 @@ else
                 for ac_func in thr_setconcurrency
 do :
   ac_fn_c_check_func "$LINENO" "thr_setconcurrency" "ac_cv_func_thr_setconcurrency"
-if test "x$ac_cv_func_thr_setconcurrency" = x""yes; then :
+if test "x$ac_cv_func_thr_setconcurrency" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_THR_SETCONCURRENCY 1
 _ACEOF
@@ -31742,7 +31812,7 @@ done
 
                   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_cleanup_push/pop" >&5
 $as_echo_n "checking for pthread_cleanup_push/pop... " >&6; }
-if test "${wx_cv_func_pthread_cleanup+set}" = set; then :
+if ${wx_cv_func_pthread_cleanup+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -31799,7 +31869,7 @@ $as_echo "$wx_cv_func_pthread_cleanup" >&6; }
 do :
   ac_fn_c_check_header_compile "$LINENO" "sched.h" "ac_cv_header_sched_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_sched_h" = x""yes; then :
+if test "x$ac_cv_header_sched_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SCHED_H 1
 _ACEOF
@@ -31810,14 +31880,14 @@ done
 
       if test "$ac_cv_header_sched_h" = "yes"; then
           ac_fn_c_check_func "$LINENO" "sched_yield" "ac_cv_func_sched_yield"
-if test "x$ac_cv_func_sched_yield" = x""yes; then :
+if test "x$ac_cv_func_sched_yield" = xyes; then :
   $as_echo "#define HAVE_SCHED_YIELD 1" >>confdefs.h
 
 else
 
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sched_yield in -lposix4" >&5
 $as_echo_n "checking for sched_yield in -lposix4... " >&6; }
-if test "${ac_cv_lib_posix4_sched_yield+set}" = set; then :
+if ${ac_cv_lib_posix4_sched_yield+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31851,7 +31921,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_posix4_sched_yield" >&5
 $as_echo "$ac_cv_lib_posix4_sched_yield" >&6; }
-if test "x$ac_cv_lib_posix4_sched_yield" = x""yes; then :
+if test "x$ac_cv_lib_posix4_sched_yield" = xyes; then :
   $as_echo "#define HAVE_SCHED_YIELD 1" >>confdefs.h
  POSIX4_LINK=" -lposix4"
 else
@@ -31868,16 +31938,16 @@ fi
 
                                           HAVE_PRIOR_FUNCS=0
       ac_fn_c_check_func "$LINENO" "pthread_attr_getschedpolicy" "ac_cv_func_pthread_attr_getschedpolicy"
-if test "x$ac_cv_func_pthread_attr_getschedpolicy" = x""yes; then :
+if test "x$ac_cv_func_pthread_attr_getschedpolicy" = xyes; then :
   ac_fn_c_check_func "$LINENO" "pthread_attr_setschedparam" "ac_cv_func_pthread_attr_setschedparam"
-if test "x$ac_cv_func_pthread_attr_setschedparam" = x""yes; then :
+if test "x$ac_cv_func_pthread_attr_setschedparam" = xyes; then :
   ac_fn_c_check_func "$LINENO" "sched_get_priority_max" "ac_cv_func_sched_get_priority_max"
-if test "x$ac_cv_func_sched_get_priority_max" = x""yes; then :
+if test "x$ac_cv_func_sched_get_priority_max" = xyes; then :
   HAVE_PRIOR_FUNCS=1
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sched_get_priority_max in -lposix4" >&5
 $as_echo_n "checking for sched_get_priority_max in -lposix4... " >&6; }
-if test "${ac_cv_lib_posix4_sched_get_priority_max+set}" = set; then :
+if ${ac_cv_lib_posix4_sched_get_priority_max+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31911,7 +31981,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_posix4_sched_get_priority_max" >&5
 $as_echo "$ac_cv_lib_posix4_sched_get_priority_max" >&6; }
-if test "x$ac_cv_lib_posix4_sched_get_priority_max" = x""yes; then :
+if test "x$ac_cv_lib_posix4_sched_get_priority_max" = xyes; then :
 
                                 HAVE_PRIOR_FUNCS=1
                                 POSIX4_LINK=" -lposix4"
@@ -31937,7 +32007,7 @@ $as_echo "$as_me: WARNING: Setting thread priority will not work" >&2;}
       fi
 
       ac_fn_c_check_func "$LINENO" "pthread_cancel" "ac_cv_func_pthread_cancel"
-if test "x$ac_cv_func_pthread_cancel" = x""yes; then :
+if test "x$ac_cv_func_pthread_cancel" = xyes; then :
   $as_echo "#define HAVE_PTHREAD_CANCEL 1" >>confdefs.h
 
 else
@@ -31947,7 +32017,7 @@ fi
 
 
       ac_fn_c_check_func "$LINENO" "pthread_mutex_timedlock" "ac_cv_func_pthread_mutex_timedlock"
-if test "x$ac_cv_func_pthread_mutex_timedlock" = x""yes; then :
+if test "x$ac_cv_func_pthread_mutex_timedlock" = xyes; then :
   $as_echo "#define HAVE_PTHREAD_MUTEX_TIMEDLOCK 1" >>confdefs.h
 
 else
@@ -31957,7 +32027,7 @@ fi
 
 
       ac_fn_c_check_func "$LINENO" "pthread_attr_setstacksize" "ac_cv_func_pthread_attr_setstacksize"
-if test "x$ac_cv_func_pthread_attr_setstacksize" = x""yes; then :
+if test "x$ac_cv_func_pthread_attr_setstacksize" = xyes; then :
   $as_echo "#define HAVE_PTHREAD_ATTR_SETSTACKSIZE 1" >>confdefs.h
 
 fi
@@ -31966,7 +32036,7 @@ fi
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutexattr_t" >&5
 $as_echo_n "checking for pthread_mutexattr_t... " >&6; }
-if test "${wx_cv_type_pthread_mutexattr_t+set}" = set; then :
+if ${wx_cv_type_pthread_mutexattr_t+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32002,7 +32072,7 @@ $as_echo "$wx_cv_type_pthread_mutexattr_t" >&6; }
 
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_mutexattr_settype declaration" >&5
 $as_echo_n "checking for pthread_mutexattr_settype declaration... " >&6; }
-if test "${wx_cv_func_pthread_mutexattr_settype_decl+set}" = set; then :
+if ${wx_cv_func_pthread_mutexattr_settype_decl+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32038,7 +32108,7 @@ $as_echo "$wx_cv_func_pthread_mutexattr_settype_decl" >&6; }
       else
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PTHREAD_RECURSIVE_MUTEX_INITIALIZER" >&5
 $as_echo_n "checking for PTHREAD_RECURSIVE_MUTEX_INITIALIZER... " >&6; }
-if test "${wx_cv_type_pthread_rec_mutex_init+set}" = set; then :
+if ${wx_cv_type_pthread_rec_mutex_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32092,7 +32162,7 @@ $as_echo "$as_me: WARNING: Disabling TLS under NetBSD, please contact wx-dev if
       if test "$wxUSE_COMPILER_TLS" = "yes"; then
                     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread keyword" >&5
 $as_echo_n "checking for __thread keyword... " >&6; }
-if test "${wx_cv_cc___thread+set}" = set; then :
+if ${wx_cv_cc___thread+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32196,7 +32266,7 @@ fi
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking gxx version" >&5
 $as_echo_n "checking gxx version... " >&6; }
-if test "${ax_cv_gxx_version+set}" = set; then :
+if ${ax_cv_gxx_version+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32249,7 +32319,7 @@ else
         *-*-mingw32* )
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports -mthreads" >&5
 $as_echo_n "checking if compiler supports -mthreads... " >&6; }
-if test "${wx_cv_cflags_mthread+set}" = set; then :
+if ${wx_cv_cflags_mthread+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32295,13 +32365,13 @@ $as_echo "$wx_cv_cflags_mthread" >&6; }
 fi
 
 ac_fn_c_check_func "$LINENO" "localtime_r" "ac_cv_func_localtime_r"
-if test "x$ac_cv_func_localtime_r" = x""yes; then :
+if test "x$ac_cv_func_localtime_r" = xyes; then :
    $as_echo "#define HAVE_LOCALTIME_R 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "gmtime_r" "ac_cv_func_gmtime_r"
-if test "x$ac_cv_func_gmtime_r" = x""yes; then :
+if test "x$ac_cv_func_gmtime_r" = xyes; then :
    $as_echo "#define HAVE_GMTIME_R 1" >>confdefs.h
 
 fi
@@ -32318,7 +32388,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking how many arguments gethostbyname_r() takes" >&5
 $as_echo_n "checking how many arguments gethostbyname_r() takes... " >&6; }
 
-    if test "${ac_cv_func_which_gethostbyname_r+set}" = set; then :
+    if ${ac_cv_func_which_gethostbyname_r+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32510,7 +32580,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
       if test "x$ac_cv_func_which_gethostbyname_r" = "xno" -o \
               "x$ac_cv_func_which_gethostbyname_r" = "xunknown" ; then
           ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
-if test "x$ac_cv_func_gethostbyname" = x""yes; then :
+if test "x$ac_cv_func_gethostbyname" = xyes; then :
    $as_echo "#define HAVE_GETHOSTBYNAME 1" >>confdefs.h
 
 fi
@@ -32519,7 +32589,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking how many arguments getservbyname_r() takes" >&5
 $as_echo_n "checking how many arguments getservbyname_r() takes... " >&6; }
-if test "${ac_cv_func_which_getservbyname_r+set}" = set; then :
+if ${ac_cv_func_which_getservbyname_r+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -32635,7 +32705,7 @@ fi
           for ac_func in getservbyname
 do :
   ac_fn_c_check_func "$LINENO" "getservbyname" "ac_cv_func_getservbyname"
-if test "x$ac_cv_func_getservbyname" = x""yes; then :
+if test "x$ac_cv_func_getservbyname" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETSERVBYNAME 1
 _ACEOF
@@ -32827,7 +32897,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
                                                 for ac_func in dlopen
 do :
   ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
-if test "x$ac_cv_func_dlopen" = x""yes; then :
+if test "x$ac_cv_func_dlopen" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_DLOPEN 1
 _ACEOF
@@ -32840,7 +32910,7 @@ else
 
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
+if ${ac_cv_lib_dl_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -32874,7 +32944,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = x""yes; then :
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
 
                                 $as_echo "#define HAVE_DLOPEN 1" >>confdefs.h
 
@@ -32886,7 +32956,7 @@ else
                                 for ac_func in shl_load
 do :
   ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
-if test "x$ac_cv_func_shl_load" = x""yes; then :
+if test "x$ac_cv_func_shl_load" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SHL_LOAD 1
 _ACEOF
@@ -32899,7 +32969,7 @@ else
 
                                                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld in -lshl_load" >&5
 $as_echo_n "checking for dld in -lshl_load... " >&6; }
-if test "${ac_cv_lib_shl_load_dld+set}" = set; then :
+if ${ac_cv_lib_shl_load_dld+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -32933,7 +33003,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_shl_load_dld" >&5
 $as_echo "$ac_cv_lib_shl_load_dld" >&6; }
-if test "x$ac_cv_lib_shl_load_dld" = x""yes; then :
+if test "x$ac_cv_lib_shl_load_dld" = xyes; then :
 
                                                                 HAVE_SHL_FUNCS=1
                                                                 DL_LINK=" -ldld$DL_LINK"
@@ -32956,7 +33026,7 @@ done
                 for ac_func in dlerror
 do :
   ac_fn_c_check_func "$LINENO" "dlerror" "ac_cv_func_dlerror"
-if test "x$ac_cv_func_dlerror" = x""yes; then :
+if test "x$ac_cv_func_dlerror" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_DLERROR 1
 _ACEOF
@@ -32966,7 +33036,7 @@ else
 
                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlerror in -ldl" >&5
 $as_echo_n "checking for dlerror in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlerror+set}" = set; then :
+if ${ac_cv_lib_dl_dlerror+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -33000,7 +33070,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlerror" >&5
 $as_echo "$ac_cv_lib_dl_dlerror" >&6; }
-if test "x$ac_cv_lib_dl_dlerror" = x""yes; then :
+if test "x$ac_cv_lib_dl_dlerror" = xyes; then :
   $as_echo "#define HAVE_DLERROR 1" >>confdefs.h
 
 fi
@@ -33074,7 +33144,7 @@ if test "$wxUSE_FSWATCHER" = "yes"; then
 do :
   ac_fn_c_check_header_compile "$LINENO" "sys/inotify.h" "ac_cv_header_sys_inotify_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_sys_inotify_h" = x""yes; then :
+if test "x$ac_cv_header_sys_inotify_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SYS_INOTIFY_H 1
 _ACEOF
@@ -33091,7 +33161,7 @@ done
 do :
   ac_fn_c_check_header_compile "$LINENO" "sys/event.h" "ac_cv_header_sys_event_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_sys_event_h" = x""yes; then :
+if test "x$ac_cv_header_sys_event_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SYS_EVENT_H 1
 _ACEOF
@@ -33157,7 +33227,7 @@ fi
 if test "$USE_UNIX" = 1 ; then
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SNDCTL_DSP_SPEED in sys/soundcard.h" >&5
 $as_echo_n "checking for SNDCTL_DSP_SPEED in sys/soundcard.h... " >&6; }
-if test "${ac_cv_header_sys_soundcard+set}" = set; then :
+if ${ac_cv_header_sys_soundcard+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -33274,7 +33344,7 @@ fi
 set dummy sdl-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_SDL_CONFIG+set}" = set; then :
+if ${ac_cv_path_SDL_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $SDL_CONFIG in
@@ -33288,7 +33358,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_SDL_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -33511,7 +33581,7 @@ if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PKG_CONFIG in
@@ -33525,7 +33595,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -33554,7 +33624,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ac_pt_PKG_CONFIG in
@@ -33568,7 +33638,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -34309,7 +34379,7 @@ if test "$wxUSE_XLOCALE" = "yes" ; then
     ac_fn_c_check_type "$LINENO" "locale_t" "ac_cv_type_locale_t" "#include <xlocale.h>
                     #include <locale.h>
 "
-if test "x$ac_cv_type_locale_t" = x""yes; then :
+if test "x$ac_cv_type_locale_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_LOCALE_T 1
@@ -34388,7 +34458,7 @@ if test "$wxUSE_CONSOLE_EVENTLOOP" = "yes"; then
 do :
   ac_fn_c_check_header_compile "$LINENO" "sys/epoll.h" "ac_cv_header_sys_epoll_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_sys_epoll_h" = x""yes; then :
+if test "x$ac_cv_header_sys_epoll_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SYS_EPOLL_H 1
 _ACEOF
@@ -34425,7 +34495,7 @@ done
 if test "$ac_cv_func_gettimeofday" = "yes"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gettimeofday takes two arguments" >&5
 $as_echo_n "checking whether gettimeofday takes two arguments... " >&6; }
-if test "${wx_cv_func_gettimeofday_has_2_args+set}" = set; then :
+if ${wx_cv_func_gettimeofday_has_2_args+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -34494,7 +34564,7 @@ fi
 if test "$wxUSE_DATETIME" = "yes"; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for timezone variable in <time.h>" >&5
 $as_echo_n "checking for timezone variable in <time.h>... " >&6; }
-if test "${wx_cv_var_timezone+set}" = set; then :
+if ${wx_cv_var_timezone+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -34608,7 +34678,7 @@ _ACEOF
         for ac_func in localtime
 do :
   ac_fn_c_check_func "$LINENO" "localtime" "ac_cv_func_localtime"
-if test "x$ac_cv_func_localtime" = x""yes; then :
+if test "x$ac_cv_func_localtime" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LOCALTIME 1
 _ACEOF
@@ -34620,7 +34690,7 @@ done
     if test "$ac_cv_func_localtime" = "yes"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tm_gmtoff in struct tm" >&5
 $as_echo_n "checking for tm_gmtoff in struct tm... " >&6; }
-if test "${wx_cv_struct_tm_has_gmtoff+set}" = set; then :
+if ${wx_cv_struct_tm_has_gmtoff+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -34667,13 +34737,13 @@ fi
 if test "$wxUSE_SOCKETS" = "yes"; then
         if test "$TOOLKIT" != "MSW"; then
                 ac_fn_c_check_func "$LINENO" "socket" "ac_cv_func_socket"
-if test "x$ac_cv_func_socket" = x""yes; then :
+if test "x$ac_cv_func_socket" = xyes; then :
 
 else
 
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 $as_echo_n "checking for socket in -lsocket... " >&6; }
-if test "${ac_cv_lib_socket_socket+set}" = set; then :
+if ${ac_cv_lib_socket_socket+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -34707,7 +34777,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
 $as_echo "$ac_cv_lib_socket_socket" >&6; }
-if test "x$ac_cv_lib_socket_socket" = x""yes; then :
+if test "x$ac_cv_lib_socket_socket" = xyes; then :
   if test "$INET_LINK" != " -lsocket"; then
                         INET_LINK="$INET_LINK -lsocket"
                     fi
@@ -34731,7 +34801,7 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
                 if test "$TOOLKIT" != "MSW"; then
                                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking what is the type of the third argument of getsockname" >&5
 $as_echo_n "checking what is the type of the third argument of getsockname... " >&6; }
-if test "${wx_cv_type_getsockname3+set}" = set; then :
+if ${wx_cv_type_getsockname3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -34843,7 +34913,7 @@ _ACEOF
         fi
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking what is the type of the fifth argument of getsockopt" >&5
 $as_echo_n "checking what is the type of the fifth argument of getsockopt... " >&6; }
-if test "${wx_cv_type_getsockopt5+set}" = set; then :
+if ${wx_cv_type_getsockopt5+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -34953,7 +35023,7 @@ if test "$wxUSE_SOCKETS" = "yes" ; then
     if test "$wxUSE_IPV6" = "yes"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we have sockaddr_in6" >&5
 $as_echo_n "checking whether we have sockaddr_in6... " >&6; }
-if test "${wx_cv_type_sockaddr_in6+set}" = set; then :
+if ${wx_cv_type_sockaddr_in6+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -35105,7 +35175,7 @@ $as_echo "$wxUSE_JOYSTICK" >&6; }
 do :
   ac_fn_c_check_header_compile "$LINENO" "linux/joystick.h" "ac_cv_header_linux_joystick_h" "$ac_includes_default
 "
-if test "x$ac_cv_header_linux_joystick_h" = x""yes; then :
+if test "x$ac_cv_header_linux_joystick_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LINUX_JOYSTICK_H 1
 _ACEOF
@@ -35149,7 +35219,7 @@ if test "$wxUSE_UNICODE" = "yes" ; then
   if test "$USE_WIN32" = 1 -a "$wxUSE_UNICODE_MSLU" = "yes"; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lunicows" >&5
 $as_echo_n "checking for main in -lunicows... " >&6; }
-if test "${ac_cv_lib_unicows_main+set}" = set; then :
+if ${ac_cv_lib_unicows_main+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -35177,7 +35247,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_unicows_main" >&5
 $as_echo "$ac_cv_lib_unicows_main" >&6; }
-if test "x$ac_cv_lib_unicows_main" = x""yes; then :
+if test "x$ac_cv_lib_unicows_main" = xyes; then :
 
                 $as_echo "#define wxUSE_UNICODE_MSLU 1" >>confdefs.h
 
@@ -35301,7 +35371,7 @@ if test "$USE_WIN32" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
                           -o "$wxUSE_DRAG_AND_DROP" = "yes" \) ; then
     ac_fn_c_check_header_compile "$LINENO" "ole2.h" "ac_cv_header_ole2_h" "
 "
-if test "x$ac_cv_header_ole2_h" = x""yes; then :
+if test "x$ac_cv_header_ole2_h" = xyes; then :
 
 fi
 
@@ -35995,7 +36065,7 @@ if test "$wxUSE_WEBKIT" = "yes"; then
                            #include <WebKit/WebKit.h>
 
 "
-if test "x$ac_cv_header_WebKit_HIWebView_h" = x""yes; then :
+if test "x$ac_cv_header_WebKit_HIWebView_h" = xyes; then :
 
                            $as_echo "#define wxUSE_WEBKIT 1" >>confdefs.h
 
@@ -36071,7 +36141,7 @@ if test "$wxUSE_STC" = "yes"; then
 set dummy python; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PYTHON+set}" = set; then :
+if ${ac_cv_path_PYTHON+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PYTHON in
@@ -36085,7 +36155,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_PYTHON="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -36267,7 +36337,7 @@ fi
                                 #include <WebKit/WebKit.h>
 
 "
-if test "x$ac_cv_header_WebKit_HIWebView_h" = x""yes; then :
+if test "x$ac_cv_header_WebKit_HIWebView_h" = xyes; then :
 
                                 USE_WEBVIEW_WEBKIT=1
                                 WEBKIT_LINK="-framework WebKit"
@@ -36491,7 +36561,7 @@ if test "$wxUSE_GRAPHICS_CONTEXT" = "yes"; then
     if test "$wxUSE_MSW" = 1; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if GDI+ is available" >&5
 $as_echo_n "checking if GDI+ is available... " >&6; }
-if test "${wx_cv_lib_gdiplus+set}" = set; then :
+if ${wx_cv_lib_gdiplus+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -36616,7 +36686,7 @@ fi
             for ac_func in cairo_push_group
 do :
   ac_fn_c_check_func "$LINENO" "cairo_push_group" "ac_cv_func_cairo_push_group"
-if test "x$ac_cv_func_cairo_push_group" = x""yes; then :
+if test "x$ac_cv_func_cairo_push_group" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_CAIRO_PUSH_GROUP 1
 _ACEOF
@@ -36961,7 +37031,7 @@ if test "$wxUSE_MAC" = 1 ; then
             else
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we target only x86_64" >&5
 $as_echo_n "checking if we target only x86_64... " >&6; }
-if test "${wx_cv_target_x86_64+set}" = set; then :
+if ${wx_cv_target_x86_64+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -37047,7 +37117,7 @@ elif test "$GXX" = yes ; then
     CXXWARNINGS="-Wall -Wundef -Wunused-parameter -Wno-ctor-dtor-privacy"
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking CXXWARNINGS for gcc -Woverloaded-virtual" >&5
 $as_echo_n "checking CXXWARNINGS for gcc -Woverloaded-virtual... " >&6; }
-if test "${ac_cv_cxxflags_gcc_option__Woverloaded_virtual+set}" = set; then :
+if ${ac_cv_cxxflags_gcc_option__Woverloaded_virtual+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_cxxflags_gcc_option__Woverloaded_virtual="no, unknown"
@@ -37318,7 +37388,7 @@ if test "$wxUSE_UNICODE" = yes -a "$GCC" = yes -a "$bk_use_pch" != no
 then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc precompiled header bug" >&5
 $as_echo_n "checking for gcc precompiled header bug... " >&6; }
-if test "${wx_cv_gcc_pch_bug+set}" = set; then :
+if ${wx_cv_gcc_pch_bug+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -37378,7 +37448,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then :
+if ${ac_cv_path_install+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -37398,7 +37468,7 @@ case $as_dir/ in #((
     # by default.
     for ac_prog in ginstall scoinst install; do
       for ac_exec_ext in '' $ac_executable_extensions; do
-	if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
+	if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
 	  if test $ac_prog = install &&
 	    grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
 	    # AIX install.  It has an incompatible calling convention.
@@ -37475,7 +37545,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then :
+if ${ac_cv_prog_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -37487,7 +37557,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37515,7 +37585,7 @@ if test -z "$ac_cv_prog_RANLIB"; then
 set dummy ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -37527,7 +37597,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37579,7 +37649,7 @@ fi
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\"" = set; then :
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -37622,7 +37692,7 @@ fi
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AR+set}" = set; then :
+if ${ac_cv_prog_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -37634,7 +37704,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_AR="${ac_tool_prefix}ar"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37662,7 +37732,7 @@ if test -z "$ac_cv_prog_AR"; then
 set dummy ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_AR+set}" = set; then :
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_AR"; then
@@ -37674,7 +37744,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_AR="ar"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37718,7 +37788,7 @@ fi
 set dummy ${ac_tool_prefix}strip; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_STRIP+set}" = set; then :
+if ${ac_cv_prog_STRIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$STRIP"; then
@@ -37730,7 +37800,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37758,7 +37828,7 @@ if test -z "$ac_cv_prog_STRIP"; then
 set dummy strip; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then :
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_STRIP"; then
@@ -37770,7 +37840,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_STRIP="strip"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37810,7 +37880,7 @@ fi
 set dummy ${ac_tool_prefix}nm; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_NM+set}" = set; then :
+if ${ac_cv_prog_NM+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$NM"; then
@@ -37822,7 +37892,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_NM="${ac_tool_prefix}nm"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37850,7 +37920,7 @@ if test -z "$ac_cv_prog_NM"; then
 set dummy nm; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_NM+set}" = set; then :
+if ${ac_cv_prog_ac_ct_NM+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_NM"; then
@@ -37862,7 +37932,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_NM="nm"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -37912,7 +37982,7 @@ fi
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if make is GNU make" >&5
 $as_echo_n "checking if make is GNU make... " >&6; }
-if test "${bakefile_cv_prog_makeisgnu+set}" = set; then :
+if ${bakefile_cv_prog_makeisgnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -38269,7 +38339,7 @@ EOF
 
                                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc 3.1 or later" >&5
 $as_echo_n "checking for gcc 3.1 or later... " >&6; }
-if test "${bakefile_cv_gcc31+set}" = set; then :
+if ${bakefile_cv_gcc31+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -38337,7 +38407,7 @@ $as_echo "$bakefile_cv_gcc31" >&6; }
 set dummy makeC++SharedLib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AIX_CXX_LD+set}" = set; then :
+if ${ac_cv_prog_AIX_CXX_LD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AIX_CXX_LD"; then
@@ -38349,7 +38419,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_AIX_CXX_LD="makeC++SharedLib"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -39157,7 +39227,7 @@ EOF
 set dummy ${ac_tool_prefix}windres; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_WINDRES+set}" = set; then :
+if ${ac_cv_prog_WINDRES+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$WINDRES"; then
@@ -39169,7 +39239,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_WINDRES="${ac_tool_prefix}windres"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -39197,7 +39267,7 @@ if test -z "$ac_cv_prog_WINDRES"; then
 set dummy windres; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_WINDRES+set}" = set; then :
+if ${ac_cv_prog_ac_ct_WINDRES+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_WINDRES"; then
@@ -39209,7 +39279,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_WINDRES="windres"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -39251,7 +39321,7 @@ fi
 set dummy Rez; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_REZ+set}" = set; then :
+if ${ac_cv_prog_REZ+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$REZ"; then
@@ -39263,7 +39333,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_REZ="Rez"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -39289,7 +39359,7 @@ fi
 set dummy SetFile; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_SETFILE+set}" = set; then :
+if ${ac_cv_prog_SETFILE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$SETFILE"; then
@@ -39301,7 +39371,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_SETFILE="SetFile"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -39860,6 +39930,26 @@ EOF
         COND_PLATFORM_MACOSX_1_PLATFORM_WIN32_1_SHARED_0=""
     fi
 
+    COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_2="#"
+    if test "x$PLATFORM_MACOSX" = "x1" -a "x$TOOLKIT" = "xGTK" -a "x$TOOLKIT_VERSION" = "x2" ; then
+        COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_2=""
+    fi
+
+    COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_2_USE_GUI_1="#"
+    if test "x$PLATFORM_MACOSX" = "x1" -a "x$TOOLKIT" = "xGTK" -a "x$TOOLKIT_VERSION" = "x2" -a "x$USE_GUI" = "x1" ; then
+        COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_2_USE_GUI_1=""
+    fi
+
+    COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_3="#"
+    if test "x$PLATFORM_MACOSX" = "x1" -a "x$TOOLKIT" = "xGTK" -a "x$TOOLKIT_VERSION" = "x3" ; then
+        COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_3=""
+    fi
+
+    COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_3_USE_GUI_1="#"
+    if test "x$PLATFORM_MACOSX" = "x1" -a "x$TOOLKIT" = "xGTK" -a "x$TOOLKIT_VERSION" = "x3" -a "x$USE_GUI" = "x1" ; then
+        COND_PLATFORM_MACOSX_1_TOOLKIT_GTK_TOOLKIT_VERSION_3_USE_GUI_1=""
+    fi
+
     COND_PLATFORM_MACOSX_1_TOOLKIT_OSX_CARBON_USE_GUI_1="#"
     if test "x$PLATFORM_MACOSX" = "x1" -a "x$TOOLKIT" = "xOSX_CARBON" -a "x$USE_GUI" = "x1" ; then
         COND_PLATFORM_MACOSX_1_TOOLKIT_OSX_CARBON_USE_GUI_1=""
@@ -40545,7 +40635,7 @@ if test "$wxUSE_MAC" = 1 -o "$wxUSE_OLD_COCOA" = 1; then
 set dummy DeRez; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_DEREZ+set}" = set; then :
+if ${ac_cv_prog_DEREZ+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$DEREZ"; then
@@ -40557,7 +40647,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_prog_DEREZ="DeRez"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -40630,10 +40720,10 @@ fi
 if test "$wxUSE_MAC" = 1 ; then
     if test "x$wxUSE_UNIVERSAL_BINARY" != "xno" ; then
         if test "x$disable_macosx_deps" = "xyes"; then
-	    sed "s/DEPSMODE=gcc/DEPSMODE=none/" < bk-deps > temp
-	    mv temp bk-deps
+            sed "s/DEPSMODE=gcc/DEPSMODE=none/" < bk-deps > temp
+                mv temp bk-deps
             chmod +x bk-deps
-	fi
+        fi
     fi
 fi
 
@@ -40748,7 +40838,7 @@ SAMPLES_SUBDIRS="`echo $SAMPLES_SUBDIRS | tr -s ' ' | tr ' ' '\n' | sort | uniq
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\"" = set; then :
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -40847,7 +40937,7 @@ fi
 set dummy cppunit-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_CPPUNIT_CONFIG+set}" = set; then :
+if ${ac_cv_path_CPPUNIT_CONFIG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CPPUNIT_CONFIG in
@@ -40861,7 +40951,7 @@ do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
     for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
     ac_cv_path_CPPUNIT_CONFIG="$as_dir/$ac_word$ac_exec_ext"
     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
@@ -41051,10 +41141,21 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -41086,7 +41187,7 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -41187,6 +41288,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -41382,16 +41484,16 @@ if (echo >conf$$.file) 2>/dev/null; then
     # ... but there are two gotchas:
     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
+      as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
     as_ln_s=ln
   else
-    as_ln_s='cp -p'
+    as_ln_s='cp -pR'
   fi
 else
-  as_ln_s='cp -p'
+  as_ln_s='cp -pR'
 fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
@@ -41451,28 +41553,16 @@ else
   as_mkdir_p=false
 fi
 
-if test -x / >/dev/null 2>&1; then
-  as_test_x='test -x'
-else
-  if ls -dL / >/dev/null 2>&1; then
-    as_ls_L_option=L
-  else
-    as_ls_L_option=
-  fi
-  as_test_x='
-    eval sh -c '\''
-      if test -d "$1"; then
-	test -d "$1/.";
-      else
-	case $1 in #(
-	-*)set "./$1";;
-	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
-	???[sx]*):;;*)false;;esac;fi
-    '\'' sh
-  '
-fi
-as_executable_p=$as_test_x
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+  test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
 as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
@@ -41493,8 +41583,8 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by wxWidgets $as_me 2.9.4, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+This file was extended by wxWidgets $as_me 2.9.5, which was
+generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -41559,11 +41649,11 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-wxWidgets config.status 2.9.4
-configured by $0, generated by GNU Autoconf 2.67,
+wxWidgets config.status 2.9.5
+configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2012 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -41652,7 +41742,7 @@ fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
   \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
@@ -41706,7 +41796,7 @@ do
     "wx-config") CONFIG_COMMANDS="$CONFIG_COMMANDS wx-config" ;;
     "$mk") CONFIG_FILES="$CONFIG_FILES $mk" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5 ;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -41729,9 +41819,10 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -41739,12 +41830,13 @@ $debug ||
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
 } || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -41766,7 +41858,7 @@ else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -41794,7 +41886,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -41842,7 +41934,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -41874,7 +41966,7 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
   || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
@@ -41908,7 +42000,7 @@ fi # test -n "$CONFIG_FILES"
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -41920,8 +42012,8 @@ _ACEOF
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
     break
   elif $ac_last_try; then
     as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
@@ -42022,7 +42114,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5 ;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -42041,7 +42133,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -42050,7 +42142,7 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5 ;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -42076,8 +42168,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5  ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -42207,21 +42299,22 @@ s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
   esac \
   || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
@@ -42232,20 +42325,20 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
       || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
+      mv "$ac_tmp/config.h" "$ac_file" \
 	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
       || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;