# HG changeset patch
# User omajid
# Date 1364926386 14400
# Node ID f3cdfb3d360d5c9b48aefde294c4391435844919
# Parent  15c1642967c9d81cd542c66d5540149ce65ee8bc
8011278: Allow using a system-installed giflib
Reviewed-by: andrew, prr

diff -r 15c1642967c9 -r f3cdfb3d360d common/autoconf/generated-configure.sh
--- a/common/autoconf/generated-configure.sh	Tue Apr 02 13:59:30 2013 +0100
+++ b/common/autoconf/generated-configure.sh	Tue Apr 02 14:13:06 2013 -0400
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.67 for OpenJDK jdk8.
+# Generated by GNU Autoconf 2.68 for OpenJDK jdk8.
 #
 # Report bugs to <build-dev@openjdk.java.net>.
 #
@@ -91,6 +91,7 @@
 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=$PATH_SEPARATOR
@@ -216,11 +217,18 @@
   # We cannot yet assume a decent shell, so we have to provide a
 	# neutralization value for shells without unset; and this also
 	# works around shells that cannot unset nonexistent variables.
+	# Preserve -v and -x to the replacement shell.
 	BASH_ENV=/dev/null
 	ENV=/dev/null
 	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
 	export CONFIG_SHELL
-	exec "$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 :
@@ -1005,6 +1013,7 @@
 with_alsa
 with_alsa_include
 with_alsa_lib
+with_giflib
 with_zlib
 with_stdc__lib
 with_num_cores
@@ -1442,7 +1451,7 @@
     $as_echo "$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
@@ -1763,6 +1772,8 @@
                           headers under PATH/include)
   --with-alsa-include     specify directory for the alsa include files
   --with-alsa-lib         specify directory for the alsa library
+  --with-giflib           use giflib from build system or OpenJDK source
+                          (system, bundled) [bundled]
   --with-zlib             use zlib from build system or OpenJDK source
                           (system, bundled) [bundled]
   --with-stdc++lib=<static>,<dynamic>,<default>
@@ -1874,7 +1885,7 @@
 if $ac_init_version; then
   cat <<\_ACEOF
 OpenJDK configure jdk8
-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
@@ -1920,7 +1931,7 @@
 
 	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
@@ -1958,7 +1969,7 @@
 
 	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
@@ -1996,7 +2007,7 @@
 
 	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_objc_try_compile
@@ -2033,7 +2044,7 @@
 
     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
@@ -2070,7 +2081,7 @@
 
     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
@@ -2083,10 +2094,10 @@
 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
@@ -2153,7 +2164,7 @@
 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"
@@ -2162,7 +2173,7 @@
 	       { $as_echo "$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
 
@@ -2203,7 +2214,7 @@
        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
@@ -2217,7 +2228,7 @@
   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
@@ -2235,7 +2246,7 @@
 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
 
@@ -2412,7 +2423,7 @@
 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_cxx_compute_int
@@ -2458,7 +2469,7 @@
   # 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
@@ -2471,7 +2482,7 @@
   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
@@ -2526,7 +2537,7 @@
 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_func
 
@@ -2539,7 +2550,7 @@
   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
@@ -2557,7 +2568,7 @@
 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
 cat >config.log <<_ACEOF
@@ -2565,7 +2576,7 @@
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by OpenJDK $as_me jdk8, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   $ $0 $@
 
@@ -3745,7 +3756,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1364562324
+DATE_WHEN_GENERATED=1364922883
 
 ###############################################################################
 #
@@ -3783,7 +3794,7 @@
 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_path_BASENAME+set}" = set; then :
+if ${ac_cv_path_BASENAME+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $BASENAME in
@@ -3842,7 +3853,7 @@
 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_path_BASH+set}" = set; then :
+if ${ac_cv_path_BASH+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $BASH in
@@ -3901,7 +3912,7 @@
 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_path_CAT+set}" = set; then :
+if ${ac_cv_path_CAT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CAT in
@@ -3960,7 +3971,7 @@
 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_path_CHMOD+set}" = set; then :
+if ${ac_cv_path_CHMOD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CHMOD in
@@ -4019,7 +4030,7 @@
 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_path_CMP+set}" = set; then :
+if ${ac_cv_path_CMP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CMP in
@@ -4078,7 +4089,7 @@
 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_path_COMM+set}" = set; then :
+if ${ac_cv_path_COMM+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $COMM in
@@ -4137,7 +4148,7 @@
 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_path_CP+set}" = set; then :
+if ${ac_cv_path_CP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CP in
@@ -4196,7 +4207,7 @@
 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_path_CPIO+set}" = set; then :
+if ${ac_cv_path_CPIO+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CPIO in
@@ -4255,7 +4266,7 @@
 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_path_CUT+set}" = set; then :
+if ${ac_cv_path_CUT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CUT in
@@ -4314,7 +4325,7 @@
 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_path_DATE+set}" = set; then :
+if ${ac_cv_path_DATE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $DATE in
@@ -4373,7 +4384,7 @@
 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_path_DIFF+set}" = set; then :
+if ${ac_cv_path_DIFF+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $DIFF in
@@ -4432,7 +4443,7 @@
 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_path_DIRNAME+set}" = set; then :
+if ${ac_cv_path_DIRNAME+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $DIRNAME in
@@ -4491,7 +4502,7 @@
 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_path_ECHO+set}" = set; then :
+if ${ac_cv_path_ECHO+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ECHO in
@@ -4550,7 +4561,7 @@
 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_path_EXPR+set}" = set; then :
+if ${ac_cv_path_EXPR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $EXPR in
@@ -4609,7 +4620,7 @@
 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_path_FILE+set}" = set; then :
+if ${ac_cv_path_FILE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $FILE in
@@ -4668,7 +4679,7 @@
 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_path_FIND+set}" = set; then :
+if ${ac_cv_path_FIND+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $FIND in
@@ -4727,7 +4738,7 @@
 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_path_HEAD+set}" = set; then :
+if ${ac_cv_path_HEAD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $HEAD in
@@ -4786,7 +4797,7 @@
 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_path_LN+set}" = set; then :
+if ${ac_cv_path_LN+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $LN in
@@ -4845,7 +4856,7 @@
 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_path_LS+set}" = set; then :
+if ${ac_cv_path_LS+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $LS in
@@ -4904,7 +4915,7 @@
 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_path_MKDIR+set}" = set; then :
+if ${ac_cv_path_MKDIR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $MKDIR in
@@ -4963,7 +4974,7 @@
 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_path_MKTEMP+set}" = set; then :
+if ${ac_cv_path_MKTEMP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $MKTEMP in
@@ -5022,7 +5033,7 @@
 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_path_MV+set}" = set; then :
+if ${ac_cv_path_MV+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $MV in
@@ -5081,7 +5092,7 @@
 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_path_PRINTF+set}" = set; then :
+if ${ac_cv_path_PRINTF+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $PRINTF in
@@ -5140,7 +5151,7 @@
 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_path_THEPWDCMD+set}" = set; then :
+if ${ac_cv_path_THEPWDCMD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $THEPWDCMD in
@@ -5199,7 +5210,7 @@
 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_path_RM+set}" = set; then :
+if ${ac_cv_path_RM+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $RM in
@@ -5258,7 +5269,7 @@
 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_path_SH+set}" = set; then :
+if ${ac_cv_path_SH+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $SH in
@@ -5317,7 +5328,7 @@
 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_path_SORT+set}" = set; then :
+if ${ac_cv_path_SORT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $SORT in
@@ -5376,7 +5387,7 @@
 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_path_TAIL+set}" = set; then :
+if ${ac_cv_path_TAIL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TAIL in
@@ -5435,7 +5446,7 @@
 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_path_TAR+set}" = set; then :
+if ${ac_cv_path_TAR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TAR in
@@ -5494,7 +5505,7 @@
 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_path_TEE+set}" = set; then :
+if ${ac_cv_path_TEE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TEE in
@@ -5553,7 +5564,7 @@
 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_path_TOUCH+set}" = set; then :
+if ${ac_cv_path_TOUCH+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TOUCH in
@@ -5612,7 +5623,7 @@
 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_path_TR+set}" = set; then :
+if ${ac_cv_path_TR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TR in
@@ -5671,7 +5682,7 @@
 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_path_UNAME+set}" = set; then :
+if ${ac_cv_path_UNAME+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $UNAME in
@@ -5730,7 +5741,7 @@
 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_path_UNIQ+set}" = set; then :
+if ${ac_cv_path_UNIQ+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $UNIQ in
@@ -5789,7 +5800,7 @@
 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_path_WC+set}" = set; then :
+if ${ac_cv_path_WC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $WC in
@@ -5848,7 +5859,7 @@
 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_path_WHICH+set}" = set; then :
+if ${ac_cv_path_WHICH+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $WHICH in
@@ -5907,7 +5918,7 @@
 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_path_XARGS+set}" = set; then :
+if ${ac_cv_path_XARGS+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $XARGS in
@@ -5967,7 +5978,7 @@
 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_AWK+set}" = set; then :
+if ${ac_cv_prog_AWK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AWK"; then
@@ -6017,7 +6028,7 @@
 
 { $as_echo "$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
@@ -6092,7 +6103,7 @@
 
 { $as_echo "$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
@@ -6171,7 +6182,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
 $as_echo_n "checking for fgrep... " >&6; }
-if test "${ac_cv_path_FGREP+set}" = set; then :
+if ${ac_cv_path_FGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
@@ -6250,7 +6261,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
 $as_echo_n "checking for a sed that does not truncate output... " >&6; }
-if test "${ac_cv_path_SED+set}" = set; then :
+if ${ac_cv_path_SED+:} false; then :
   $as_echo_n "(cached) " >&6
 else
             ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
@@ -6336,7 +6347,7 @@
 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_path_NAWK+set}" = set; then :
+if ${ac_cv_path_NAWK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $NAWK in
@@ -6396,7 +6407,7 @@
 set dummy cygpath; 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_CYGPATH+set}" = set; then :
+if ${ac_cv_path_CYGPATH+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CYGPATH in
@@ -6436,7 +6447,7 @@
 set dummy readlink; 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_READLINK+set}" = set; then :
+if ${ac_cv_path_READLINK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $READLINK in
@@ -6476,7 +6487,7 @@
 set dummy df; 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_DF+set}" = set; then :
+if ${ac_cv_path_DF+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $DF in
@@ -6516,7 +6527,7 @@
 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_path_SETFILE+set}" = set; then :
+if ${ac_cv_path_SETFILE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $SETFILE in
@@ -6562,7 +6573,7 @@
 
 { $as_echo "$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
@@ -6596,7 +6607,7 @@
 
 { $as_echo "$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
@@ -6629,7 +6640,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
 $as_echo_n "checking target system type... " >&6; }
-if test "${ac_cv_target+set}" = set; then :
+if ${ac_cv_target+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$target_alias" = x; then
@@ -8110,7 +8121,7 @@
 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_PKGHANDLER+set}" = set; then :
+if ${ac_cv_prog_PKGHANDLER+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$PKGHANDLER"; then
@@ -8475,7 +8486,7 @@
 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_path_CHECK_GMAKE+set}" = set; then :
+if ${ac_cv_path_CHECK_GMAKE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CHECK_GMAKE in
@@ -8829,7 +8840,7 @@
 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_path_CHECK_MAKE+set}" = set; then :
+if ${ac_cv_path_CHECK_MAKE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CHECK_MAKE in
@@ -9188,7 +9199,7 @@
 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_path_CHECK_TOOLSDIR_GMAKE+set}" = set; then :
+if ${ac_cv_path_CHECK_TOOLSDIR_GMAKE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CHECK_TOOLSDIR_GMAKE in
@@ -9541,7 +9552,7 @@
 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_path_CHECK_TOOLSDIR_MAKE+set}" = set; then :
+if ${ac_cv_path_CHECK_TOOLSDIR_MAKE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CHECK_TOOLSDIR_MAKE in
@@ -9937,7 +9948,7 @@
 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_path_UNZIP+set}" = set; then :
+if ${ac_cv_path_UNZIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $UNZIP in
@@ -9996,7 +10007,7 @@
 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_path_ZIP+set}" = set; then :
+if ${ac_cv_path_ZIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $ZIP in
@@ -10055,7 +10066,7 @@
 set dummy ldd; 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_LDD+set}" = set; then :
+if ${ac_cv_path_LDD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $LDD in
@@ -10101,7 +10112,7 @@
 set dummy otool; 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_OTOOL+set}" = set; then :
+if ${ac_cv_path_OTOOL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $OTOOL in
@@ -10146,7 +10157,7 @@
 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_path_READELF+set}" = set; then :
+if ${ac_cv_path_READELF+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $READELF in
@@ -10189,7 +10200,7 @@
 set dummy hg; 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_HG+set}" = set; then :
+if ${ac_cv_path_HG+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $HG in
@@ -10229,7 +10240,7 @@
 set dummy stat; 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_STAT+set}" = set; then :
+if ${ac_cv_path_STAT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $STAT in
@@ -10269,7 +10280,7 @@
 set dummy time; 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_TIME+set}" = set; then :
+if ${ac_cv_path_TIME+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TIME in
@@ -10314,7 +10325,7 @@
 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_path_COMM+set}" = set; then :
+if ${ac_cv_path_COMM+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $COMM in
@@ -10378,7 +10389,7 @@
 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
@@ -10421,7 +10432,7 @@
 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
@@ -10594,7 +10605,7 @@
 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_BDEPS_UNZIP+set}" = set; then :
+if ${ac_cv_prog_BDEPS_UNZIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$BDEPS_UNZIP"; then
@@ -10640,7 +10651,7 @@
 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_BDEPS_FTP+set}" = set; then :
+if ${ac_cv_prog_BDEPS_FTP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$BDEPS_FTP"; then
@@ -11913,7 +11924,7 @@
 set dummy javac; 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_JAVAC_CHECK+set}" = set; then :
+if ${ac_cv_path_JAVAC_CHECK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $JAVAC_CHECK in
@@ -11953,7 +11964,7 @@
 set dummy java; 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_JAVA_CHECK+set}" = set; then :
+if ${ac_cv_path_JAVA_CHECK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $JAVA_CHECK in
@@ -16027,7 +16038,7 @@
 set dummy link; 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_CYGWIN_LINK+set}" = set; then :
+if ${ac_cv_path_CYGWIN_LINK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CYGWIN_LINK in
@@ -17442,7 +17453,7 @@
 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_path_BUILD_CC+set}" = set; then :
+if ${ac_cv_path_BUILD_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $BUILD_CC in
@@ -17753,7 +17764,7 @@
 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_path_BUILD_CXX+set}" = set; then :
+if ${ac_cv_path_BUILD_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $BUILD_CXX in
@@ -18062,7 +18073,7 @@
 set dummy ld; 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_BUILD_LD+set}" = set; then :
+if ${ac_cv_path_BUILD_LD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $BUILD_LD in
@@ -18578,7 +18589,7 @@
 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_path_TOOLS_DIR_CC+set}" = set; then :
+if ${ac_cv_path_TOOLS_DIR_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TOOLS_DIR_CC in
@@ -18630,7 +18641,7 @@
 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_path_POTENTIAL_CC+set}" = set; then :
+if ${ac_cv_path_POTENTIAL_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $POTENTIAL_CC in
@@ -19043,7 +19054,7 @@
 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_PROPER_COMPILER_CC+set}" = set; then :
+if ${ac_cv_prog_PROPER_COMPILER_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$PROPER_COMPILER_CC"; then
@@ -19087,7 +19098,7 @@
 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_PROPER_COMPILER_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_PROPER_COMPILER_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_PROPER_COMPILER_CC"; then
@@ -19537,7 +19548,7 @@
 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
@@ -19581,7 +19592,7 @@
 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
@@ -19862,7 +19873,7 @@
 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
@@ -19913,7 +19924,7 @@
 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
@@ -19950,7 +19961,7 @@
 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
@@ -20028,7 +20039,7 @@
 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
@@ -20151,7 +20162,7 @@
 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_path_TOOLS_DIR_CXX+set}" = set; then :
+if ${ac_cv_path_TOOLS_DIR_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $TOOLS_DIR_CXX in
@@ -20203,7 +20214,7 @@
 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_path_POTENTIAL_CXX+set}" = set; then :
+if ${ac_cv_path_POTENTIAL_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $POTENTIAL_CXX in
@@ -20616,7 +20627,7 @@
 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_PROPER_COMPILER_CXX+set}" = set; then :
+if ${ac_cv_prog_PROPER_COMPILER_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$PROPER_COMPILER_CXX"; then
@@ -20660,7 +20671,7 @@
 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_PROPER_COMPILER_CXX+set}" = set; then :
+if ${ac_cv_prog_ac_ct_PROPER_COMPILER_CXX+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_PROPER_COMPILER_CXX"; then
@@ -21114,7 +21125,7 @@
 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
@@ -21158,7 +21169,7 @@
 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
@@ -21236,7 +21247,7 @@
 
 { $as_echo "$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
@@ -21273,7 +21284,7 @@
 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
@@ -21371,7 +21382,7 @@
 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_OBJC+set}" = set; then :
+if ${ac_cv_prog_OBJC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$OBJC"; then
@@ -21415,7 +21426,7 @@
 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_OBJC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_OBJC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_OBJC"; then
@@ -21491,7 +21502,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU Objective C compiler" >&5
 $as_echo_n "checking whether we are using the GNU Objective C compiler... " >&6; }
-if test "${ac_cv_objc_compiler_gnu+set}" = set; then :
+if ${ac_cv_objc_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -21528,7 +21539,7 @@
 ac_save_OBJCFLAGS=$OBJCFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $OBJC accepts -g" >&5
 $as_echo_n "checking whether $OBJC accepts -g... " >&6; }
-if test "${ac_cv_prog_objc_g+set}" = set; then :
+if ${ac_cv_prog_objc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_objc_werror_flag=$ac_objc_werror_flag
@@ -21904,7 +21915,7 @@
 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
@@ -21944,7 +21955,7 @@
 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
@@ -22286,7 +22297,7 @@
 set dummy link; 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_WINLD+set}" = set; then :
+if ${ac_cv_prog_WINLD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$WINLD"; then
@@ -22625,7 +22636,7 @@
 set dummy mt; 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_MT+set}" = set; then :
+if ${ac_cv_prog_MT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$MT"; then
@@ -22946,7 +22957,7 @@
 set dummy rc; 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_RC+set}" = set; then :
+if ${ac_cv_prog_RC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RC"; then
@@ -23337,7 +23348,7 @@
 set dummy lib; 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_WINAR+set}" = set; then :
+if ${ac_cv_prog_WINAR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$WINAR"; then
@@ -23643,7 +23654,7 @@
 set dummy dumpbin; 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_DUMPBIN+set}" = set; then :
+if ${ac_cv_prog_DUMPBIN+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$DUMPBIN"; then
@@ -23962,7 +23973,7 @@
   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
@@ -24362,7 +24373,7 @@
 { $as_echo "$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
@@ -24780,7 +24791,7 @@
 set dummy as; 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_AS+set}" = set; then :
+if ${ac_cv_path_AS+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $AS in
@@ -25094,7 +25105,7 @@
 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_path_NM+set}" = set; then :
+if ${ac_cv_path_NM+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $NM in
@@ -25403,7 +25414,7 @@
 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_path_STRIP+set}" = set; then :
+if ${ac_cv_path_STRIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $STRIP in
@@ -25709,7 +25720,7 @@
 set dummy mcs; 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_MCS+set}" = set; then :
+if ${ac_cv_path_MCS+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $MCS in
@@ -26017,7 +26028,7 @@
 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
@@ -26057,7 +26068,7 @@
 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
@@ -26375,7 +26386,7 @@
 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
@@ -26415,7 +26426,7 @@
 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
@@ -26740,7 +26751,7 @@
 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_OBJCOPY+set}" = set; then :
+if ${ac_cv_prog_OBJCOPY+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$OBJCOPY"; then
@@ -26784,7 +26795,7 @@
 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_OBJCOPY+set}" = set; then :
+if ${ac_cv_prog_ac_ct_OBJCOPY+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_OBJCOPY"; then
@@ -27111,7 +27122,7 @@
 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_OBJDUMP+set}" = set; then :
+if ${ac_cv_prog_OBJDUMP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$OBJDUMP"; then
@@ -27155,7 +27166,7 @@
 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_OBJDUMP+set}" = set; then :
+if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_OBJDUMP"; then
@@ -27479,7 +27490,7 @@
 set dummy lipo; 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_LIPO+set}" = set; then :
+if ${ac_cv_path_LIPO+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $LIPO in
@@ -27794,7 +27805,7 @@
 
 { $as_echo "$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
@@ -27970,7 +27981,7 @@
 for ac_header in stdio.h
 do :
   ac_fn_cxx_check_header_mongrel "$LINENO" "stdio.h" "ac_cv_header_stdio_h" "$ac_includes_default"
-if test "x$ac_cv_header_stdio_h" = x""yes; then :
+if test "x$ac_cv_header_stdio_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_STDIO_H 1
 _ACEOF
@@ -27999,7 +28010,7 @@
 # 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_p+set}" = set; then :
+if ${ac_cv_sizeof_int_p+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_cxx_compute_int "$LINENO" "(long int) (sizeof (int *))" "ac_cv_sizeof_int_p"        "$ac_includes_default"; then :
@@ -28056,7 +28067,7 @@
 #
  { $as_echo "$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
@@ -29069,7 +29080,7 @@
 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.
@@ -29346,7 +29357,7 @@
 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
@@ -29380,14 +29391,14 @@
 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
@@ -29421,7 +29432,7 @@
 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
 
@@ -29440,14 +29451,14 @@
     # The functions gethostbyname, getservbyname, and inet_addr are
     # in -lbsd on LynxOS 3.0.1/i386, according to Lars Hecking.
     ac_fn_cxx_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
@@ -29481,14 +29492,14 @@
 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
@@ -29522,7 +29533,7 @@
 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
 
@@ -29537,14 +29548,14 @@
     # must be given before -lnsl if both are needed.  We assume that
     # if connect needs -lnsl, so does gethostbyname.
     ac_fn_cxx_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
@@ -29578,7 +29589,7 @@
 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
 
@@ -29586,14 +29597,14 @@
 
     # Guillermo Gomez says -lposix is necessary on A/UX.
     ac_fn_cxx_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
@@ -29627,7 +29638,7 @@
 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
 
@@ -29635,14 +29646,14 @@
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     ac_fn_cxx_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
@@ -29676,7 +29687,7 @@
 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
 
@@ -29694,7 +29705,7 @@
   # 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
@@ -29728,7 +29739,7 @@
 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
 
@@ -30741,7 +30752,7 @@
             LDFLAGS="$FREETYPE2_LIBS"
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FT_Init_FreeType in -lfreetype" >&5
 $as_echo_n "checking for FT_Init_FreeType in -lfreetype... " >&6; }
-if test "${ac_cv_lib_freetype_FT_Init_FreeType+set}" = set; then :
+if ${ac_cv_lib_freetype_FT_Init_FreeType+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -30775,7 +30786,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_freetype_FT_Init_FreeType" >&5
 $as_echo "$ac_cv_lib_freetype_FT_Init_FreeType" >&6; }
-if test "x$ac_cv_lib_freetype_FT_Init_FreeType" = x""yes; then :
+if test "x$ac_cv_lib_freetype_FT_Init_FreeType" = xyes; then :
   FREETYPE2_FOUND=true
 else
   as_fn_error $? "Could not find freetype2! $HELP_MSG " "$LINENO" 5
@@ -31063,7 +31074,7 @@
 	    for ac_header in alsa/asoundlib.h
 do :
   ac_fn_cxx_check_header_mongrel "$LINENO" "alsa/asoundlib.h" "ac_cv_header_alsa_asoundlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_alsa_asoundlib_h" = x""yes; then :
+if test "x$ac_cv_header_alsa_asoundlib_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_ALSA_ASOUNDLIB_H 1
 _ACEOF
@@ -31122,7 +31133,7 @@
 USE_EXTERNAL_LIBJPEG=true
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -ljpeg" >&5
 $as_echo_n "checking for main in -ljpeg... " >&6; }
-if test "${ac_cv_lib_jpeg_main+set}" = set; then :
+if ${ac_cv_lib_jpeg_main+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31150,7 +31161,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_jpeg_main" >&5
 $as_echo "$ac_cv_lib_jpeg_main" >&6; }
-if test "x$ac_cv_lib_jpeg_main" = x""yes; then :
+if test "x$ac_cv_lib_jpeg_main" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBJPEG 1
 _ACEOF
@@ -31171,10 +31182,44 @@
 # Check for the gif library
 #
 
-USE_EXTERNAL_LIBJPEG=true
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lgif" >&5
-$as_echo_n "checking for main in -lgif... " >&6; }
-if test "${ac_cv_lib_gif_main+set}" = set; then :
+
+# Check whether --with-giflib was given.
+if test "${with_giflib+set}" = set; then :
+  withval=$with_giflib;
+fi
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for which giflib to use" >&5
+$as_echo_n "checking for which giflib to use... " >&6; }
+
+# default is bundled
+DEFAULT_GIFLIB=bundled
+
+#
+# if user didn't specify, use DEFAULT_GIFLIB
+#
+if test "x${with_giflib}" = "x"; then
+    with_giflib=${DEFAULT_GIFLIB}
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_giflib}" >&5
+$as_echo "${with_giflib}" >&6; }
+
+if test "x${with_giflib}" = "xbundled"; then
+    USE_EXTERNAL_LIBGIF=false
+elif test "x${with_giflib}" = "xsystem"; then
+    ac_fn_cxx_check_header_mongrel "$LINENO" "gif_lib.h" "ac_cv_header_gif_lib_h" "$ac_includes_default"
+if test "x$ac_cv_header_gif_lib_h" = xyes; then :
+
+else
+   as_fn_error $? "--with-giflib=system specified, but gif_lib.h not found!" "$LINENO" 5
+fi
+
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DGifGetCode in -lgif" >&5
+$as_echo_n "checking for DGifGetCode in -lgif... " >&6; }
+if ${ac_cv_lib_gif_DGifGetCode+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31182,27 +31227,33 @@
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-
-int
-main ()
-{
-return main ();
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char DGifGetCode ();
+int
+main ()
+{
+return DGifGetCode ();
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_cxx_try_link "$LINENO"; then :
-  ac_cv_lib_gif_main=yes
-else
-  ac_cv_lib_gif_main=no
+  ac_cv_lib_gif_DGifGetCode=yes
+else
+  ac_cv_lib_gif_DGifGetCode=no
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gif_main" >&5
-$as_echo "$ac_cv_lib_gif_main" >&6; }
-if test "x$ac_cv_lib_gif_main" = x""yes; then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gif_DGifGetCode" >&5
+$as_echo "$ac_cv_lib_gif_DGifGetCode" >&6; }
+if test "x$ac_cv_lib_gif_DGifGetCode" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBGIF 1
 _ACEOF
@@ -31210,12 +31261,14 @@
   LIBS="-lgif $LIBS"
 
 else
-   USE_EXTERNAL_LIBGIF=false
-               { $as_echo "$as_me:${as_lineno-$LINENO}: Will use gif decoder bundled with the OpenJDK source" >&5
-$as_echo "$as_me: Will use gif decoder bundled with the OpenJDK source" >&6;}
-
-fi
-
+   as_fn_error $? "--with-giflib=system specified, but no giflib found!" "$LINENO" 5
+fi
+
+
+    USE_EXTERNAL_LIBGIF=true
+else
+    as_fn_error $? "Invalid value of --with-giflib: ${with_giflib}, use 'system' or 'bundled'" "$LINENO" 5
+fi
 
 
 ###############################################################################
@@ -31232,7 +31285,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compress in -lz" >&5
 $as_echo_n "checking for compress in -lz... " >&6; }
-if test "${ac_cv_lib_z_compress+set}" = set; then :
+if ${ac_cv_lib_z_compress+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31266,7 +31319,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_compress" >&5
 $as_echo "$ac_cv_lib_z_compress" >&6; }
-if test "x$ac_cv_lib_z_compress" = x""yes; then :
+if test "x$ac_cv_lib_z_compress" = xyes; then :
    ZLIB_FOUND=yes
 else
    ZLIB_FOUND=no
@@ -31359,7 +31412,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cos in -lm" >&5
 $as_echo_n "checking for cos in -lm... " >&6; }
-if test "${ac_cv_lib_m_cos+set}" = set; then :
+if ${ac_cv_lib_m_cos+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -31393,7 +31446,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cos" >&5
 $as_echo "$ac_cv_lib_m_cos" >&6; }
-if test "x$ac_cv_lib_m_cos" = x""yes; then :
+if test "x$ac_cv_lib_m_cos" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBM 1
 _ACEOF
@@ -31417,7 +31470,7 @@
 LIBS=""
 { $as_echo "$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
@@ -31451,7 +31504,7 @@
 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 :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBDL 1
 _ACEOF
@@ -32141,7 +32194,7 @@
 set dummy ccache; 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_CCACHE+set}" = set; then :
+if ${ac_cv_path_CCACHE+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $CCACHE in
@@ -32402,10 +32455,21 @@
      :end' >>confcache
 if diff "$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;}
@@ -32437,7 +32501,7 @@
 
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -32538,6 +32602,7 @@
 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
@@ -32845,7 +32910,7 @@
 # values after options handling.
 ac_log="
 This file was extended by OpenJDK $as_me jdk8, 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  = $CONFIG_HEADERS
@@ -32908,7 +32973,7 @@
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 OpenJDK config.status jdk8
-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.
@@ -33059,9 +33124,10 @@
 # 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
 }
@@ -33069,12 +33135,13 @@
 
 {
   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.
@@ -33096,7 +33163,7 @@
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -33124,7 +33191,7 @@
 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
@@ -33172,7 +33239,7 @@
 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 = ""
 
@@ -33204,7 +33271,7 @@
   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
 
@@ -33238,7 +33305,7 @@
 # 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
 
@@ -33250,8 +33317,8 @@
 # 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
@@ -33371,7 +33438,7 @@
     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 `:'.
@@ -33406,7 +33473,7 @@
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
       || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
@@ -33532,21 +33599,22 @@
 s&@abs_top_builddir@&$ac_abs_top_builddir&;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
  ;;
@@ -33557,20 +33625,20 @@
   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 -r 15c1642967c9 -r f3cdfb3d360d common/autoconf/libraries.m4
--- a/common/autoconf/libraries.m4	Tue Apr 02 13:59:30 2013 +0100
+++ b/common/autoconf/libraries.m4	Tue Apr 02 14:13:06 2013 -0400
@@ -499,11 +499,36 @@
 # Check for the gif library
 #
 
-USE_EXTERNAL_LIBJPEG=true
-AC_CHECK_LIB(gif, main, [],
-             [ USE_EXTERNAL_LIBGIF=false
-               AC_MSG_NOTICE([Will use gif decoder bundled with the OpenJDK source])
-             ])
+AC_ARG_WITH(giflib, [AS_HELP_STRING([--with-giflib],
+	[use giflib from build system or OpenJDK source (system, bundled) @<:@bundled@:>@])])
+
+
+AC_MSG_CHECKING([for which giflib to use])
+
+# default is bundled
+DEFAULT_GIFLIB=bundled
+
+#
+# if user didn't specify, use DEFAULT_GIFLIB
+#
+if test "x${with_giflib}" = "x"; then
+    with_giflib=${DEFAULT_GIFLIB}
+fi
+
+AC_MSG_RESULT(${with_giflib})
+
+if test "x${with_giflib}" = "xbundled"; then
+    USE_EXTERNAL_LIBGIF=false
+elif test "x${with_giflib}" = "xsystem"; then
+    AC_CHECK_HEADER(gif_lib.h, [],
+             [ AC_MSG_ERROR([--with-giflib=system specified, but gif_lib.h not found!])])
+    AC_CHECK_LIB(gif, DGifGetCode, [],
+             [ AC_MSG_ERROR([--with-giflib=system specified, but no giflib found!])])
+
+    USE_EXTERNAL_LIBGIF=true
+else
+    AC_MSG_ERROR([Invalid value of --with-giflib: ${with_giflib}, use 'system' or 'bundled'])
+fi
 AC_SUBST(USE_EXTERNAL_LIBGIF)
 
 ###############################################################################