From: Robin Dunn <robin@alldunn.com>
Date: Sat, 30 Jun 2012 20:59:51 +0000 (+0000)
Subject: Only disable generation of dependencies if more than one architecture is being built.
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/e269b28e8e6a6f6934dcf650f4ad4410d2fab7bd

Only disable generation of dependencies if more than one architecture is being built.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71897 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/configure b/configure
index 0a0cfd3d8e..ab1240606f 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /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 2.68 for wxWidgets 2.9.4.
 #
 # Report bugs to <wx-dev@lists.wxwidgets.org>.
 #
@@ -92,6 +92,7 @@ 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=$PATH_SEPARATOR
@@ -217,11 +218,18 @@ IFS=$as_save_IFS
   # 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
 	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+	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" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -1817,7 +1825,7 @@ 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
@@ -2483,7 +2491,7 @@ 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
+generated by GNU Autoconf 2.68
 
 Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
@@ -2529,7 +2537,7 @@ 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
@@ -2566,7 +2574,7 @@ 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
@@ -2604,7 +2612,7 @@ 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
@@ -2650,7 +2658,7 @@ 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
@@ -2696,7 +2704,7 @@ 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
@@ -2738,7 +2746,7 @@ 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
@@ -2752,7 +2760,7 @@ 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
@@ -2770,7 +2778,7 @@ 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
 
@@ -2947,7 +2955,7 @@ 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
@@ -2961,7 +2969,7 @@ 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
@@ -2979,7 +2987,7 @@ 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
 
@@ -2992,7 +3000,7 @@ 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"
@@ -3033,7 +3041,7 @@ 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
 
@@ -3069,7 +3077,7 @@ 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
@@ -3082,10 +3090,10 @@ 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
@@ -3152,7 +3160,7 @@ $as_echo "$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"
@@ -3161,7 +3169,7 @@ 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
 
@@ -3173,7 +3181,7 @@ 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
@@ -3228,7 +3236,7 @@ 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
 
@@ -3241,7 +3249,7 @@ 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"
@@ -3282,7 +3290,7 @@ 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
 
@@ -3323,7 +3331,7 @@ 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
@@ -3332,7 +3340,7 @@ 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
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   $ $0 $@
 
@@ -3717,7 +3725,7 @@ $SHELL "$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
@@ -3751,7 +3759,7 @@ 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
@@ -16168,10 +16176,21 @@ $as_echo "$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 $cache_file" >&6;}
@@ -16190,7 +16209,7 @@ if test -n "$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
@@ -16230,7 +16249,7 @@ 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
@@ -16283,7 +16302,7 @@ 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
@@ -16323,7 +16342,7 @@ 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
@@ -16382,7 +16401,7 @@ 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
@@ -16426,7 +16445,7 @@ 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
@@ -16709,7 +16728,7 @@ 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
@@ -16760,7 +16779,7 @@ 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
@@ -16797,7 +16816,7 @@ 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
@@ -16875,7 +16894,7 @@ 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 :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -16985,7 +17004,7 @@ ac_compiler_gnu=$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
@@ -17040,7 +17059,7 @@ 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
@@ -17093,7 +17112,7 @@ 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
@@ -17142,7 +17161,7 @@ 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
@@ -17198,7 +17217,7 @@ 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
@@ -17289,7 +17308,7 @@ 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
@@ -17345,7 +17364,7 @@ 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
@@ -17399,7 +17418,7 @@ 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
@@ -17456,7 +17475,7 @@ 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
@@ -17513,7 +17532,7 @@ 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
@@ -17570,7 +17589,7 @@ 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
@@ -17626,7 +17645,7 @@ 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
@@ -17682,7 +17701,7 @@ 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
@@ -17743,7 +17762,7 @@ 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 :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -17871,7 +17890,7 @@ ac_compiler_gnu=$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
@@ -17934,7 +17953,7 @@ $as_echo "$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
@@ -18002,7 +18021,7 @@ $as_echo "$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 :
   $as_echo_n "(cached) " >&6
 else
     ac_pattern="Autoconf.*'x'"
@@ -18059,7 +18078,7 @@ if test -z "$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
@@ -18103,7 +18122,7 @@ 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
@@ -18181,7 +18200,7 @@ 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
@@ -18218,7 +18237,7 @@ 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
@@ -18315,7 +18334,7 @@ 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
@@ -18370,7 +18389,7 @@ 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
@@ -18423,7 +18442,7 @@ 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
@@ -18472,7 +18491,7 @@ 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
@@ -18528,7 +18547,7 @@ 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
@@ -18619,7 +18638,7 @@ 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
@@ -18675,7 +18694,7 @@ 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
@@ -18729,7 +18748,7 @@ 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
@@ -18786,7 +18805,7 @@ 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
@@ -18843,7 +18862,7 @@ 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
@@ -18900,7 +18919,7 @@ 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
@@ -18956,7 +18975,7 @@ 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
@@ -19012,7 +19031,7 @@ 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
@@ -19071,7 +19090,7 @@ 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
@@ -19111,7 +19130,7 @@ 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
@@ -19201,6 +19220,10 @@ else
 fi
 
 if test "x$OSX_ARCH_OPTS" != "x"; then
+        if echo $OSX_ARCH_OPTS | grep -q ","; then
+        disable_macosx_deps=yes
+    fi
+
     OSX_ARCH_OPTS=`echo $OSX_ARCH_OPTS | sed -e 's/^/-arch /' -e 's/,/ -arch /g'`
 
     CXXFLAGS="$OSX_ARCH_OPTS $CXXFLAGS"
@@ -19269,7 +19292,7 @@ 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_OSX_SW_VERS+set}" = set; then :
+if ${ac_cv_prog_OSX_SW_VERS+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$OSX_SW_VERS"; then
@@ -19578,7 +19601,7 @@ 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
 
@@ -19660,7 +19683,7 @@ 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
@@ -19694,7 +19717,7 @@ 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
 
@@ -19703,7 +19726,7 @@ 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
 
@@ -19770,7 +19793,7 @@ $as_echo "$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
 
@@ -19808,7 +19831,7 @@ $as_echo "$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
 
@@ -19854,7 +19877,7 @@ 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
@@ -20001,7 +20024,7 @@ 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$ac_cv_header_wcstr_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_WCSTR_H 1
 _ACEOF
@@ -20028,7 +20051,7 @@ if test "$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
@@ -20042,7 +20065,7 @@ 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
@@ -20122,7 +20145,7 @@ 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
@@ -20169,7 +20192,7 @@ 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 :
@@ -20202,7 +20225,7 @@ _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 :
@@ -20235,7 +20258,7 @@ _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 :
@@ -20268,7 +20291,7 @@ _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 :
@@ -20301,7 +20324,7 @@ _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"        "$ac_includes_default"; then :
@@ -20337,7 +20360,7 @@ case "${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 :
@@ -20372,7 +20395,7 @@ _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 :
@@ -20410,7 +20433,7 @@ _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 :
@@ -20445,7 +20468,7 @@ 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"        "
@@ -20497,7 +20520,7 @@ $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
 
@@ -20553,7 +20576,7 @@ 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
 
@@ -20608,7 +20631,7 @@ 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
 
@@ -20673,7 +20696,7 @@ 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
 
@@ -20716,7 +20739,7 @@ _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
 
@@ -20779,7 +20802,7 @@ 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
 
@@ -20838,7 +20861,7 @@ 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
@@ -20917,7 +20940,7 @@ 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 :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_bigendian=unknown
@@ -21015,7 +21038,7 @@ ac_compiler_gnu=$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$ac_cv_header_iostream" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_IOSTREAM 1
 _ACEOF
@@ -21043,7 +21066,7 @@ ac_compiler_gnu=$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
 
@@ -21131,7 +21154,7 @@ 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
 
@@ -21170,7 +21193,7 @@ 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
 
@@ -21248,7 +21271,7 @@ 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
 
@@ -21284,7 +21307,7 @@ $as_echo "$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
 
@@ -21342,7 +21365,7 @@ 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
@@ -21354,7 +21377,7 @@ 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
@@ -21379,7 +21402,7 @@ 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
@@ -21419,7 +21442,7 @@ $as_echo "$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
@@ -21466,10 +21489,10 @@ $as_echo "$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
@@ -21509,10 +21532,10 @@ 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
@@ -21555,10 +21578,10 @@ 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
@@ -21599,10 +21622,10 @@ 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
@@ -21645,7 +21668,7 @@ 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 :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CXXCPP needs to be expanded
@@ -21790,7 +21813,7 @@ done
   if test -n "$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
 
@@ -21887,7 +21910,7 @@ $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
 
@@ -22073,10 +22096,21 @@ $as_echo "$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 $cache_file" >&6;}
@@ -22089,7 +22123,7 @@ have_floor=0
 for ac_func in cos
 do :
   ac_fn_c_check_func "$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
@@ -22100,7 +22134,7 @@ 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
@@ -22123,7 +22157,7 @@ $as_echo "no" >&6; }
     for ac_func in sin
 do :
   ac_fn_c_check_func "$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
@@ -22134,7 +22168,7 @@ 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
@@ -22166,7 +22200,7 @@ 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
 
@@ -22223,7 +22257,7 @@ 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
 
@@ -22297,7 +22331,7 @@ $as_echo "$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" | $as_tr_sh`
@@ -22342,7 +22376,7 @@ if test "$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 :
@@ -22383,7 +22417,7 @@ 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
 
@@ -22395,7 +22429,7 @@ 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
@@ -22429,7 +22463,7 @@ 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
 
@@ -22464,7 +22498,7 @@ $as_echo "$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 :
@@ -22502,7 +22536,7 @@ 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
 
@@ -22511,7 +22545,7 @@ 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
@@ -22545,7 +22579,7 @@ 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
 
@@ -22574,7 +22608,7 @@ 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
@@ -22609,7 +22643,7 @@ $as_echo "$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
@@ -22643,7 +22677,7 @@ 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
 
@@ -22663,7 +22697,7 @@ $as_echo "$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
@@ -22676,7 +22710,7 @@ _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"        "
@@ -22737,11 +22771,11 @@ 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
@@ -22775,7 +22809,7 @@ 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
 
@@ -22818,7 +22852,7 @@ 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
 
@@ -22826,7 +22860,7 @@ 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
 
@@ -22868,7 +22902,7 @@ $as_echo "$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
@@ -22902,7 +22936,7 @@ 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
 
@@ -22931,7 +22965,7 @@ 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
 
@@ -22939,7 +22973,7 @@ 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
@@ -22973,7 +23007,7 @@ 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
 
@@ -23002,7 +23036,7 @@ 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
@@ -23013,7 +23047,7 @@ 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
 
@@ -23090,7 +23124,7 @@ $as_echo "$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
 
@@ -23142,7 +23176,7 @@ 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
@@ -23404,7 +23438,7 @@ 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
@@ -23695,7 +23729,7 @@ 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
@@ -23967,7 +24001,7 @@ 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
@@ -24373,7 +24407,7 @@ $as_echo "$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
@@ -24407,7 +24441,7 @@ 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
@@ -24417,7 +24451,7 @@ 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$ac_cv_func_poll" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_POLL 1
 _ACEOF
@@ -24484,7 +24518,7 @@ if test "x$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 $PKG_CONFIG in
@@ -24527,7 +24561,7 @@ if test -z "$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 $ac_pt_PKG_CONFIG in
@@ -24724,7 +24758,7 @@ if test "x$with_x" = xno; then
 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 :
+    *,NONE | NONE,*) if ${ac_cv_have_x+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   # One or both of the vars are not set, and there is no cached value.
@@ -25001,7 +25035,7 @@ if ac_fn_c_try_link "$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
@@ -25035,14 +25069,14 @@ 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
@@ -25076,7 +25110,7 @@ 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
 
@@ -25095,14 +25129,14 @@ 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
@@ -25136,14 +25170,14 @@ 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
@@ -25177,7 +25211,7 @@ 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
 
@@ -25192,14 +25226,14 @@ 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
@@ -25233,7 +25267,7 @@ 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
 
@@ -25241,14 +25275,14 @@ 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
@@ -25282,7 +25316,7 @@ 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
 
@@ -25290,14 +25324,14 @@ 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
@@ -25331,7 +25365,7 @@ 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
 
@@ -25349,7 +25383,7 @@ 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
@@ -25383,7 +25417,7 @@ 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
 
@@ -25428,7 +25462,7 @@ 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 $PKG_CONFIG in
@@ -25471,7 +25505,7 @@ if test -z "$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 $ac_pt_PKG_CONFIG in
@@ -25787,7 +25821,7 @@ fi
             for ac_func in pango_font_family_is_monospace
 do :
   ac_fn_c_check_func "$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
@@ -26018,7 +26052,7 @@ $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
@@ -26052,7 +26086,7 @@ 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
 
@@ -26062,7 +26096,7 @@ 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
@@ -26101,7 +26135,7 @@ $as_echo "$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
@@ -26182,7 +26216,7 @@ $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
 
@@ -26234,7 +26268,7 @@ $as_echo "$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
@@ -26268,7 +26302,7 @@ 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
@@ -26369,7 +26403,7 @@ $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
 
@@ -26442,7 +26476,7 @@ 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
@@ -26459,7 +26493,7 @@ 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
@@ -26488,7 +26522,7 @@ 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 $PKG_CONFIG in
@@ -26531,7 +26565,7 @@ if test -z "$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
@@ -26660,7 +26694,7 @@ 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
@@ -26694,7 +26728,7 @@ 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
 
@@ -26731,7 +26765,7 @@ 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
@@ -26765,7 +26799,7 @@ 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
 
@@ -26845,7 +26879,7 @@ $as_echo "$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
 
@@ -26867,7 +26901,7 @@ 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 $PKG_CONFIG in
@@ -26910,7 +26944,7 @@ if test -z "$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
@@ -27039,7 +27073,7 @@ 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
@@ -27073,7 +27107,7 @@ 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
 
@@ -27110,7 +27144,7 @@ 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
@@ -27144,7 +27178,7 @@ 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
 
@@ -27204,7 +27238,7 @@ 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
@@ -27233,7 +27267,7 @@ 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 $PKG_CONFIG in
@@ -27276,7 +27310,7 @@ if test -z "$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
@@ -27405,7 +27439,7 @@ 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
@@ -27439,7 +27473,7 @@ 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
 
@@ -27476,7 +27510,7 @@ 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
@@ -27510,7 +27544,7 @@ 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
 
@@ -27639,11 +27673,11 @@ $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
 
@@ -27659,7 +27693,7 @@ 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 $PKG_CONFIG in
@@ -27702,7 +27736,7 @@ if test -z "$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
@@ -27831,7 +27865,7 @@ 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
@@ -27865,7 +27899,7 @@ 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
 
@@ -27902,7 +27936,7 @@ 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
@@ -27936,7 +27970,7 @@ 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
 
@@ -28019,7 +28053,7 @@ 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 $PKG_CONFIG in
@@ -28062,7 +28096,7 @@ if test -z "$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
@@ -28191,7 +28225,7 @@ 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
@@ -28225,7 +28259,7 @@ 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
 
@@ -28262,7 +28296,7 @@ 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
@@ -28296,7 +28330,7 @@ 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
 
@@ -28386,7 +28420,7 @@ 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 $PKG_CONFIG in
@@ -28429,7 +28463,7 @@ if test -z "$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
@@ -28558,7 +28592,7 @@ 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
@@ -28592,7 +28626,7 @@ 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
 
@@ -28629,7 +28663,7 @@ 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
@@ -28663,7 +28697,7 @@ 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
 
@@ -28803,7 +28837,7 @@ 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
 
@@ -28888,7 +28922,7 @@ $as_echo "$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
 
@@ -28955,7 +28989,7 @@ $as_echo "$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
 
@@ -29008,7 +29042,7 @@ $as_echo "$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
 
@@ -29315,7 +29349,7 @@ 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
 
@@ -29326,7 +29360,7 @@ _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
 
@@ -29337,7 +29371,7 @@ _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
 
@@ -29348,7 +29382,7 @@ _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
 
@@ -29360,7 +29394,7 @@ 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
@@ -29377,7 +29411,7 @@ 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
 
@@ -29417,7 +29451,7 @@ 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
@@ -29457,7 +29491,7 @@ 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
@@ -29509,7 +29543,7 @@ 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
 
@@ -29556,7 +29590,7 @@ 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$ac_cv_func_wcslen" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_WCSLEN 1
 _ACEOF
@@ -29569,7 +29603,7 @@ if test "$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
@@ -29603,14 +29637,14 @@ 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
@@ -29644,7 +29678,7 @@ 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
@@ -29678,7 +29712,7 @@ 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
@@ -29687,7 +29721,7 @@ _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$ac_cv_func_wcsrtombs" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_WCSRTOMBS 1
 _ACEOF
@@ -29720,7 +29754,7 @@ ac_compiler_gnu=$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
 
@@ -29761,7 +29795,7 @@ $as_echo "$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
 
@@ -29813,7 +29847,7 @@ 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
 
@@ -29862,7 +29896,7 @@ $as_echo "$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
 
@@ -29916,7 +29950,7 @@ 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
 
@@ -29979,7 +30013,7 @@ 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
@@ -29999,7 +30033,7 @@ 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
 
@@ -30082,7 +30116,7 @@ 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
 
@@ -30146,7 +30180,7 @@ 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
 
@@ -30223,7 +30257,7 @@ 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
 
@@ -30283,7 +30317,7 @@ $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
@@ -30345,7 +30379,7 @@ 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
@@ -30363,7 +30397,7 @@ $as_echo "$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
 
@@ -30420,7 +30454,7 @@ 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
 
@@ -30474,7 +30508,7 @@ $as_echo "$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
 
@@ -30547,7 +30581,7 @@ 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
@@ -30590,7 +30624,7 @@ $as_echo "$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
@@ -30649,7 +30683,7 @@ $as_echo "$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
@@ -30683,7 +30717,7 @@ $as_echo "$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 :
   $as_echo_n "(cached) " >&6
 else
   ac_ext=cpp
@@ -30814,7 +30848,7 @@ if test "$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$ac_cv_func_unsetenv" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_UNSETENV 1
 _ACEOF
@@ -30842,7 +30876,7 @@ if test "$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
@@ -30852,7 +30886,7 @@ 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
@@ -30886,7 +30920,7 @@ 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
 
@@ -30899,7 +30933,7 @@ 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
 
@@ -30968,7 +31002,7 @@ 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
 
@@ -31025,7 +31059,7 @@ 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
 
@@ -31083,7 +31117,7 @@ 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
 
@@ -31139,7 +31173,7 @@ 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
@@ -31149,7 +31183,7 @@ 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
@@ -31183,13 +31217,13 @@ 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
@@ -31223,13 +31257,13 @@ 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
@@ -31263,7 +31297,7 @@ 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
@@ -31285,7 +31319,7 @@ 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$ac_cv_func_inet_aton" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_INET_ATON 1
 _ACEOF
@@ -31296,7 +31330,7 @@ else
                         as_ac_Lib=`$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
@@ -31352,7 +31386,7 @@ 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
 
@@ -31410,7 +31444,7 @@ 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
 
@@ -31467,7 +31501,7 @@ _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
 
@@ -31531,7 +31565,7 @@ _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
 
@@ -31659,10 +31693,21 @@ $as_echo "$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;}
@@ -31845,7 +31890,7 @@ $as_echo "${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$ac_cv_func_pthread_setconcurrency" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_PTHREAD_SETCONCURRENCY 1
 _ACEOF
@@ -31856,7 +31901,7 @@ else
                 for ac_func in thr_setconcurrency
 do :
   ac_fn_c_check_func "$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
@@ -31875,7 +31920,7 @@ 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
 
@@ -31932,7 +31977,7 @@ $as_echo "$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
@@ -31943,14 +31988,14 @@ 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
@@ -31984,7 +32029,7 @@ 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
@@ -32001,16 +32046,16 @@ 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
@@ -32044,7 +32089,7 @@ 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"
@@ -32070,7 +32115,7 @@ $as_echo "$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
@@ -32080,7 +32125,7 @@ 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
@@ -32090,7 +32135,7 @@ 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
@@ -32099,7 +32144,7 @@ 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
 
@@ -32135,7 +32180,7 @@ $as_echo "$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
 
@@ -32171,7 +32216,7 @@ $as_echo "$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
 
@@ -32225,7 +32270,7 @@ $as_echo "$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
 
@@ -32329,7 +32374,7 @@ 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
 
@@ -32382,7 +32427,7 @@ 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
 
@@ -32428,13 +32473,13 @@ $as_echo "$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
@@ -32451,7 +32496,7 @@ 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
 
@@ -32643,7 +32688,7 @@ 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
@@ -32652,7 +32697,7 @@ 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
 
@@ -32768,7 +32813,7 @@ 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$ac_cv_func_getservbyname" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GETSERVBYNAME 1
 _ACEOF
@@ -32960,7 +33005,7 @@ if test "$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
@@ -32973,7 +33018,7 @@ 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
@@ -33007,7 +33052,7 @@ 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
 
@@ -33019,7 +33064,7 @@ 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
@@ -33032,7 +33077,7 @@ 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
@@ -33066,7 +33111,7 @@ 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$DL_LINK"
@@ -33089,7 +33134,7 @@ done
                 for ac_func in dlerror
 do :
   ac_fn_c_check_func "$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
@@ -33099,7 +33144,7 @@ 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
@@ -33133,7 +33178,7 @@ 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
@@ -33207,7 +33252,7 @@ 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$ac_cv_header_sys_inotify_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SYS_INOTIFY_H 1
 _ACEOF
@@ -33224,7 +33269,7 @@ done
 do :
   ac_fn_c_check_header_compile "$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$ac_cv_header_sys_event_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SYS_EVENT_H 1
 _ACEOF
@@ -33290,7 +33335,7 @@ fi
 if test "$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
 
@@ -33407,7 +33452,7 @@ 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 $SDL_CONFIG in
@@ -33644,7 +33689,7 @@ if test "x$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 $PKG_CONFIG in
@@ -33687,7 +33732,7 @@ if test -z "$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 $ac_pt_PKG_CONFIG in
@@ -34438,7 +34483,7 @@ if test "$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
@@ -34517,7 +34562,7 @@ 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$ac_cv_header_sys_epoll_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_SYS_EPOLL_H 1
 _ACEOF
@@ -34554,7 +34599,7 @@ done
 if test "$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
 
@@ -34623,7 +34668,7 @@ 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
 
@@ -34737,7 +34782,7 @@ _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$ac_cv_func_localtime" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LOCALTIME 1
 _ACEOF
@@ -34749,7 +34794,7 @@ done
     if test "$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
 
@@ -34796,13 +34841,13 @@ 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
@@ -34836,7 +34881,7 @@ 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
@@ -34860,7 +34905,7 @@ 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
 
@@ -34972,7 +35017,7 @@ _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
 
@@ -35082,7 +35127,7 @@ 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
 
@@ -35234,7 +35279,7 @@ $as_echo "$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
@@ -35278,7 +35323,7 @@ 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
@@ -35306,7 +35351,7 @@ 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
 
@@ -35430,7 +35475,7 @@ 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
 
@@ -36124,7 +36169,7 @@ 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
 
@@ -36200,7 +36245,7 @@ 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
@@ -36396,7 +36441,7 @@ 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"
@@ -36620,7 +36665,7 @@ 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
 
@@ -36745,7 +36790,7 @@ 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$ac_cv_func_cairo_push_group" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_CAIRO_PUSH_GROUP 1
 _ACEOF
@@ -37090,7 +37135,7 @@ if test "$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
@@ -37176,7 +37221,7 @@ 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 :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_cxxflags_gcc_option__Woverloaded_virtual="no, unknown"
@@ -37447,7 +37492,7 @@ if test "$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
 
@@ -37507,7 +37552,7 @@ 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=$PATH_SEPARATOR
@@ -37604,7 +37649,7 @@ test -z "$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
@@ -37644,7 +37689,7 @@ 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
@@ -37708,7 +37753,7 @@ 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
@@ -37751,7 +37796,7 @@ 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
@@ -37791,7 +37836,7 @@ 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
@@ -37847,7 +37892,7 @@ 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
@@ -37887,7 +37932,7 @@ 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
@@ -37939,7 +37984,7 @@ 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
@@ -37979,7 +38024,7 @@ 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
@@ -38041,7 +38086,7 @@ 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
 
@@ -38398,7 +38443,7 @@ 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
 
@@ -38466,7 +38511,7 @@ $as_echo "$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
@@ -39286,7 +39331,7 @@ 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
@@ -39326,7 +39371,7 @@ 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
@@ -39380,7 +39425,7 @@ 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
@@ -39418,7 +39463,7 @@ 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
@@ -40674,7 +40719,7 @@ 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
@@ -40758,9 +40803,11 @@ fi
 
 if test "$wxUSE_MAC" = 1 ; then
     if test "x$wxUSE_UNIVERSAL_BINARY" != "xno" ; then
-        sed "s/DEPSMODE=gcc/DEPSMODE=none/" < bk-deps > temp
-        mv temp bk-deps
-        chmod +x bk-deps
+        if test "x$disable_macosx_deps" = "xyes"; then
+	    sed "s/DEPSMODE=gcc/DEPSMODE=none/" < bk-deps > temp
+	    mv temp bk-deps
+            chmod +x bk-deps
+	fi
     fi
 fi
 
@@ -40875,7 +40922,7 @@ 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
@@ -40974,7 +41021,7 @@ 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
@@ -41178,10 +41225,21 @@ $as_echo "$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 $cache_file" >&6;}
@@ -41213,7 +41271,7 @@ LTLIBOBJS=$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"
@@ -41314,6 +41372,7 @@ 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=$PATH_SEPARATOR
@@ -41621,7 +41680,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # 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
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -41687,7 +41746,7 @@ cat >>$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,
+configured by $0, generated by GNU Autoconf 2.68,
   with options \\"\$ac_cs_config\\"
 
 Copyright (C) 2010 Free Software Foundation, Inc.
@@ -41856,9 +41915,10 @@ 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
 }
@@ -41866,12 +41926,13 @@ $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.
@@ -41893,7 +41954,7 @@ else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -41921,7 +41982,7 @@ 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
@@ -41969,7 +42030,7 @@ 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 = ""
 
@@ -42001,7 +42062,7 @@ 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
 
@@ -42035,7 +42096,7 @@ 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
 
@@ -42047,8 +42108,8 @@ _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
@@ -42168,7 +42229,7 @@ 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 `:'.
@@ -42203,7 +42264,7 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
       || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
@@ -42334,21 +42395,22 @@ 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
  ;;
@@ -42359,20 +42421,20 @@ 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
  ;;
diff --git a/configure.in b/configure.in
index 4febb1b61a..5040f3985b 100644
--- a/configure.in
+++ b/configure.in
@@ -1182,6 +1182,11 @@ else
 fi
 
 if test "x$OSX_ARCH_OPTS" != "x"; then
+    dnl Check if there is more than one architecture
+    if echo $OSX_ARCH_OPTS | grep -q ","; then
+        disable_macosx_deps=yes
+    fi     
+
     OSX_ARCH_OPTS=`echo $OSX_ARCH_OPTS | sed -e 's/^/-arch /' -e 's/,/ -arch /g'`
 
     CXXFLAGS="$OSX_ARCH_OPTS $CXXFLAGS"
@@ -8215,9 +8220,11 @@ dnl at which time, this hack can be removed.
 
 if test "$wxUSE_MAC" = 1 ; then
     if test "x$wxUSE_UNIVERSAL_BINARY" != "xno" ; then
-        sed "s/DEPSMODE=gcc/DEPSMODE=none/" < bk-deps > temp
-        mv temp bk-deps
-        chmod +x bk-deps
+        if test "x$disable_macosx_deps" = "xyes"; then
+	    sed "s/DEPSMODE=gcc/DEPSMODE=none/" < bk-deps > temp
+	    mv temp bk-deps
+            chmod +x bk-deps
+	fi
     fi
 fi