diff --git a/mozilla/configure b/mozilla/configure
index fe493a8a98a..e92c3f33437 100755
--- a/mozilla/configure
+++ b/mozilla/configure
@@ -15386,6 +15386,13 @@ fi
 
 MOZ_EXTENSIONS=`${PERL} ${srcdir}/build/unix/uniq.pl ${MOZ_EXTENSIONS}`
 
+for extension in $MOZ_EXTENSIONS; do
+    if test ! -d "${srcdir}/extensions/${extension}"; then
+        { echo "configure: error: Unrecognized extension provided to --enable-extensions: ${extension}." 1>&2; exit 1; }
+    fi
+done
+
+
 case "$MOZ_WIDGET_TOOLKIT" in
 beos|windows|os2|mac|cocoa)
     ;;
@@ -15421,9 +15428,9 @@ fi
 if test `echo "$MOZ_IMG_DECODERS" | grep -c png` -ne 0; then
     MOZ_PNG_CFLAGS="$MOZ_PNG_CFLAGS -DMOZ_PNG_READ"
     echo $ac_n "checking if pnggccrd.c can be compiled without PNG_NO_MMX_CODE""... $ac_c" 1>&6
-echo "configure:15425: checking if pnggccrd.c can be compiled without PNG_NO_MMX_CODE" >&5
+echo "configure:15432: checking if pnggccrd.c can be compiled without PNG_NO_MMX_CODE" >&5
     cat > conftest.$ac_ext <<EOF
-#line 15427 "configure"
+#line 15434 "configure"
 #include "confdefs.h"
 #define MOZ_PNG_READ 1
                     #include "$_topsrcdir/modules/libimg/png/pnggccrd.c"
@@ -15431,7 +15438,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:15435: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15442: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _results=yes
 else
@@ -15608,7 +15615,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:15612: checking for $ac_word" >&5
+echo "configure:15619: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_MAKENSIS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15653,7 +15660,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:15657: checking for $ac_word" >&5
+echo "configure:15664: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_HOST_ICONV'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15701,13 +15708,13 @@ fi
 
 
 echo $ac_n "checking for tar archiver""... $ac_c" 1>&6
-echo "configure:15705: checking for tar archiver" >&5
+echo "configure:15712: checking for tar archiver" >&5
 for ac_prog in gnutar gtar tar
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:15711: checking for $ac_word" >&5
+echo "configure:15718: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_TAR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15762,13 +15769,13 @@ case "$target_os" in
     msvc*|mks*|cygwin*|mingw*|wince*)
         if test -n "$MOZ_UPDATER"; then
             echo $ac_n "checking for iconv""... $ac_c" 1>&6
-echo "configure:15766: checking for iconv" >&5
+echo "configure:15773: checking for iconv" >&5
             for ac_prog in $HOST_ICONV "iconv"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:15772: checking for $ac_word" >&5
+echo "configure:15779: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_HOST_ICONV'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16152,18 +16159,18 @@ MOZ_DEBUG_DISABLE_DEFS="-DNDEBUG -DTRIMMED"
 
 if test -n "$MOZ_DEBUG"; then
     echo $ac_n "checking for valid debug flags""... $ac_c" 1>&6
-echo "configure:16156: checking for valid debug flags" >&5
+echo "configure:16163: checking for valid debug flags" >&5
     _SAVE_CFLAGS=$CFLAGS
     CFLAGS="$CFLAGS $MOZ_DEBUG_FLAGS"
     cat > conftest.$ac_ext <<EOF
-#line 16160 "configure"
+#line 16167 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 printf("Hello World\n");
 ; return 0; }
 EOF
-if { (eval echo configure:16167: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16174: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _results=yes
 else
@@ -16204,18 +16211,18 @@ fi
 if test "$COMPILE_ENVIRONMENT"; then
 if test -n "$MOZ_OPTIMIZE"; then
     echo $ac_n "checking for valid optimization flags""... $ac_c" 1>&6
-echo "configure:16208: checking for valid optimization flags" >&5
+echo "configure:16215: checking for valid optimization flags" >&5
     _SAVE_CFLAGS=$CFLAGS
     CFLAGS="$CFLAGS $MOZ_OPTIMIZE_FLAGS"
     cat > conftest.$ac_ext <<EOF
-#line 16212 "configure"
+#line 16219 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 printf("Hello World\n");
 ; return 0; }
 EOF
-if { (eval echo configure:16219: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16226: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _results=yes
 else
@@ -16368,7 +16375,7 @@ fi
 
 if test -n "$_ENABLE_EFENCE"; then
     echo $ac_n "checking for malloc in -lefence""... $ac_c" 1>&6
-echo "configure:16372: checking for malloc in -lefence" >&5
+echo "configure:16379: checking for malloc in -lefence" >&5
 ac_lib_var=`echo efence'_'malloc | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -16376,7 +16383,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lefence  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 16380 "configure"
+#line 16387 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -16387,7 +16394,7 @@ int main() {
 malloc()
 ; return 0; }
 EOF
-if { (eval echo configure:16391: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -16488,12 +16495,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
     for ac_func in __builtin_vec_new __builtin_vec_delete __builtin_new __builtin_delete __pure_virtual
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16492: checking for $ac_func" >&5
+echo "configure:16499: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16497 "configure"
+#line 16504 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16519,7 +16526,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16523: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16530: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16762,12 +16769,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
     for ac_func in __cxa_demangle
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16766: checking for $ac_func" >&5
+echo "configure:16773: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16771 "configure"
+#line 16778 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16793,7 +16800,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16804: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16931,7 +16938,7 @@ if test -z "$SKIP_COMPILER_CHECKS"; then
 # Compiler Options
 
 echo $ac_n "checking for gcc -pipe support""... $ac_c" 1>&6
-echo "configure:16935: checking for gcc -pipe support" >&5
+echo "configure:16942: checking for gcc -pipe support" >&5
 if test -n "$GNU_CC" && test -n "$GNU_CXX" && test -n "$GNU_AS"; then
     echo '#include <stdio.h>' > dummy-hello.c
     echo 'int main() { printf("Hello World\n"); exit(0); }' >> dummy-hello.c
@@ -16946,14 +16953,14 @@ if test -n "$GNU_CC" && test -n "$GNU_CXX" && test -n "$GNU_AS"; then
         _SAVE_CFLAGS=$CFLAGS
         CFLAGS="$CFLAGS -pipe"
         cat > conftest.$ac_ext <<EOF
-#line 16950 "configure"
+#line 16957 "configure"
 #include "confdefs.h"
  #include <stdio.h> 
 int main() {
 printf("Hello World\n");
 ; return 0; }
 EOF
-if { (eval echo configure:16957: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16964: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _res_gcc_pipe="yes"
 else
@@ -16995,16 +17002,16 @@ if test "$_IGNORE_LONG_LONG_WARNINGS"; then
      _SAVE_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS ${_COMPILER_PREFIX}-Wno-long-long"
      echo $ac_n "checking whether compiler supports -Wno-long-long""... $ac_c" 1>&6
-echo "configure:16999: checking whether compiler supports -Wno-long-long" >&5
+echo "configure:17006: checking whether compiler supports -Wno-long-long" >&5
      cat > conftest.$ac_ext <<EOF
-#line 17001 "configure"
+#line 17008 "configure"
 #include "confdefs.h"
 
 int main() {
 return(0);
 ; return 0; }
 EOF
-if { (eval echo configure:17008: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17015: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
    _WARNINGS_CFLAGS="${_WARNINGS_CFLAGS} ${_COMPILER_PREFIX}-Wno-long-long"
 	  _WARNINGS_CXXFLAGS="${_WARNINGS_CXXFLAGS} ${_COMPILER_PREFIX}-Wno-long-long"
@@ -17025,16 +17032,16 @@ _SAVE_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fprofile-generate"
 
 echo $ac_n "checking whether C compiler supports -fprofile-generate""... $ac_c" 1>&6
-echo "configure:17029: checking whether C compiler supports -fprofile-generate" >&5
+echo "configure:17036: checking whether C compiler supports -fprofile-generate" >&5
 cat > conftest.$ac_ext <<EOF
-#line 17031 "configure"
+#line 17038 "configure"
 #include "confdefs.h"
 
 int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:17038: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17045: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
    PROFILE_GEN_CFLAGS="-fprofile-generate"
                  result="yes" 
@@ -17052,16 +17059,16 @@ if test $result = "yes"; then
 else
   CFLAGS="$_SAVE_CFLAGS -fprofile-arcs"
   echo $ac_n "checking whether C compiler supports -fprofile-arcs""... $ac_c" 1>&6
-echo "configure:17056: checking whether C compiler supports -fprofile-arcs" >&5
+echo "configure:17063: checking whether C compiler supports -fprofile-arcs" >&5
   cat > conftest.$ac_ext <<EOF
-#line 17058 "configure"
+#line 17065 "configure"
 #include "confdefs.h"
 
 int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:17065: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17072: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
    PROFILE_GEN_CFLAGS="-fprofile-arcs"
                    result="yes" 
@@ -17107,16 +17114,16 @@ if test "$_PEDANTIC"; then
     _SAVE_CXXFLAGS=$CXXFLAGS
     CXXFLAGS="$CXXFLAGS ${_WARNINGS_CXXFLAGS} ${_COMPILER_PREFIX}-pedantic"
     echo $ac_n "checking whether C++ compiler has -pedantic long long bug""... $ac_c" 1>&6
-echo "configure:17111: checking whether C++ compiler has -pedantic long long bug" >&5
+echo "configure:17118: checking whether C++ compiler has -pedantic long long bug" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17113 "configure"
+#line 17120 "configure"
 #include "confdefs.h"
 $configure_static_assert_macros
 int main() {
 CONFIGURE_STATIC_ASSERT(sizeof(long long) == 8)
 ; return 0; }
 EOF
-if { (eval echo configure:17120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17127: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   result="no"
 else
@@ -17141,12 +17148,12 @@ rm -f conftest*
 fi
 
 echo $ac_n "checking for correct temporary object destruction order""... $ac_c" 1>&6
-echo "configure:17145: checking for correct temporary object destruction order" >&5
+echo "configure:17152: checking for correct temporary object destruction order" >&5
 if test "$cross_compiling" = yes; then
   result="maybe"
 else
   cat > conftest.$ac_ext <<EOF
-#line 17150 "configure"
+#line 17157 "configure"
 #include "confdefs.h"
  class A {
              public:  A(int& x) : mValue(x) {}
@@ -17166,7 +17173,7 @@ else
              }
              
 EOF
-if { (eval echo configure:17170: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:17177: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   result="yes"
 else
@@ -17187,12 +17194,12 @@ fi
 _SAVE_CXXFLAGS=$CXXFLAGS
 CXXFLAGS="$CXXFLAGS ${_WARNINGS_CXXFLAGS}"
 echo $ac_n "checking for correct overload resolution with const and templates""... $ac_c" 1>&6
-echo "configure:17191: checking for correct overload resolution with const and templates" >&5
+echo "configure:17198: checking for correct overload resolution with const and templates" >&5
 if eval "test \"`echo '$''{'ac_nscap_nonconst_opeq_bug'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17196 "configure"
+#line 17203 "configure"
 #include "confdefs.h"
 
                       template <class T>
@@ -17222,7 +17229,7 @@ int main() {
                     
 ; return 0; }
 EOF
-if { (eval echo configure:17226: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17233: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_nscap_nonconst_opeq_bug="no"
 else
@@ -17490,7 +17497,7 @@ then
     # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:17494: checking for $ac_word" >&5
+echo "configure:17501: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PKG_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -17534,19 +17541,19 @@ fi
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
         echo $ac_n "checking for libIDL-2.0 >= 0.8.0 glib-2.0 gobject-2.0""... $ac_c" 1>&6
-echo "configure:17538: checking for libIDL-2.0 >= 0.8.0 glib-2.0 gobject-2.0" >&5
+echo "configure:17545: checking for libIDL-2.0 >= 0.8.0 glib-2.0 gobject-2.0" >&5
 
         if $PKG_CONFIG --exists "libIDL-2.0 >= 0.8.0 glib-2.0 gobject-2.0" ; then
             echo "$ac_t""yes" 1>&6
             succeeded=yes
 
             echo $ac_n "checking LIBIDL_CFLAGS""... $ac_c" 1>&6
-echo "configure:17545: checking LIBIDL_CFLAGS" >&5
+echo "configure:17552: checking LIBIDL_CFLAGS" >&5
             LIBIDL_CFLAGS=`$PKG_CONFIG --cflags "libIDL-2.0 >= 0.8.0 glib-2.0 gobject-2.0"`
             echo "$ac_t""$LIBIDL_CFLAGS" 1>&6
 
             echo $ac_n "checking LIBIDL_LIBS""... $ac_c" 1>&6
-echo "configure:17550: checking LIBIDL_LIBS" >&5
+echo "configure:17557: checking LIBIDL_LIBS" >&5
             ## Remove evil flags like -Wl,--export-dynamic
             LIBIDL_LIBS="`$PKG_CONFIG --libs \"libIDL-2.0 >= 0.8.0 glib-2.0 gobject-2.0\" |sed s/-Wl,--export-dynamic//g`"
             echo "$ac_t""$LIBIDL_LIBS" 1>&6
@@ -17670,7 +17677,7 @@ fi
   # Extract the first word of "glib-config", so it can be a program name with args.
 set dummy glib-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:17674: checking for $ac_word" >&5
+echo "configure:17681: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_GLIB_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -17705,7 +17712,7 @@ fi
 
   min_glib_version=1.2.0
   echo $ac_n "checking for GLIB - version >= $min_glib_version""... $ac_c" 1>&6
-echo "configure:17709: checking for GLIB - version >= $min_glib_version" >&5
+echo "configure:17716: checking for GLIB - version >= $min_glib_version" >&5
   no_glib=""
   if test "$GLIB_CONFIG" = "no" ; then
     no_glib=yes
@@ -17728,7 +17735,7 @@ echo "configure:17709: checking for GLIB - version >= $min_glib_version" >&5
   echo $ac_n "cross compiling; assumed OK... $ac_c"
 else
   cat > conftest.$ac_ext <<EOF
-#line 17732 "configure"
+#line 17739 "configure"
 #include "confdefs.h"
 
 #include <glib.h>
@@ -17804,7 +17811,7 @@ main ()
 }
 
 EOF
-if { (eval echo configure:17808: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:17815: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -17838,7 +17845,7 @@ fi
           CFLAGS="$CFLAGS $GLIB_CFLAGS"
           LIBS="$LIBS $GLIB_LIBS"
           cat > conftest.$ac_ext <<EOF
-#line 17842 "configure"
+#line 17849 "configure"
 #include "confdefs.h"
 
 #include <glib.h>
@@ -17848,7 +17855,7 @@ int main() {
  return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); 
 ; return 0; }
 EOF
-if { (eval echo configure:17852: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:17859: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
    echo "*** The test program compiled, but did not run. This usually means"
           echo "*** that the run-time linker is not finding GLIB or finding the wrong"
@@ -17892,7 +17899,7 @@ rm -f conftest*
   # Extract the first word of "libIDL-config", so it can be a program name with args.
 set dummy libIDL-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:17896: checking for $ac_word" >&5
+echo "configure:17903: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LIBIDL_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -17927,7 +17934,7 @@ fi
 
   min_libIDL_version=$LIBIDL_VERSION
   echo $ac_n "checking for libIDL - version >= $min_libIDL_version""... $ac_c" 1>&6
-echo "configure:17931: checking for libIDL - version >= $min_libIDL_version" >&5
+echo "configure:17938: checking for libIDL - version >= $min_libIDL_version" >&5
   no_libIDL=""
   if test "$LIBIDL_CONFIG" = "no" ; then
     no_libIDL=yes
@@ -17954,7 +17961,7 @@ echo "configure:17931: checking for libIDL - version >= $min_libIDL_version" >&5
   echo $ac_n "cross compiling; assumed OK... $ac_c"
 else
   cat > conftest.$ac_ext <<EOF
-#line 17958 "configure"
+#line 17965 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -18040,7 +18047,7 @@ main ()
 }
 
 EOF
-if { (eval echo configure:18044: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:18051: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -18074,7 +18081,7 @@ fi
           CFLAGS="$CFLAGS $LIBIDL_CFLAGS"
           LIBS="$LIBS $LIBIDL_LIBS"
           cat > conftest.$ac_ext <<EOF
-#line 18078 "configure"
+#line 18085 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -18085,7 +18092,7 @@ int main() {
  return IDL_get_libver_string ? 1 : 0; 
 ; return 0; }
 EOF
-if { (eval echo configure:18089: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18096: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
    echo "*** The test program compiled, but did not run. This usually means"
           echo "*** that the run-time linker is not finding libIDL or finding the wrong"
@@ -18125,7 +18132,7 @@ rm -f conftest*
     # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:18129: checking for $ac_word" >&5
+echo "configure:18136: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PKG_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -18169,19 +18176,19 @@ fi
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
         echo $ac_n "checking for libIDL-2.0 >= 0.8.0""... $ac_c" 1>&6
-echo "configure:18173: checking for libIDL-2.0 >= 0.8.0" >&5
+echo "configure:18180: checking for libIDL-2.0 >= 0.8.0" >&5
 
         if $PKG_CONFIG --exists "libIDL-2.0 >= 0.8.0" ; then
             echo "$ac_t""yes" 1>&6
             succeeded=yes
 
             echo $ac_n "checking LIBIDL_CFLAGS""... $ac_c" 1>&6
-echo "configure:18180: checking LIBIDL_CFLAGS" >&5
+echo "configure:18187: checking LIBIDL_CFLAGS" >&5
             LIBIDL_CFLAGS=`$PKG_CONFIG --cflags "libIDL-2.0 >= 0.8.0"`
             echo "$ac_t""$LIBIDL_CFLAGS" 1>&6
 
             echo $ac_n "checking LIBIDL_LIBS""... $ac_c" 1>&6
-echo "configure:18185: checking LIBIDL_LIBS" >&5
+echo "configure:18192: checking LIBIDL_LIBS" >&5
             ## Remove evil flags like -Wl,--export-dynamic
             LIBIDL_LIBS="`$PKG_CONFIG --libs \"libIDL-2.0 >= 0.8.0\" |sed s/-Wl,--export-dynamic//g`"
             echo "$ac_t""$LIBIDL_LIBS" 1>&6
@@ -18218,7 +18225,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:18222: checking for $ac_word" >&5
+echo "configure:18229: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_ORBIT_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -18255,7 +18262,7 @@ done
 
         if test -n "$ORBIT_CONFIG"; then
             echo $ac_n "checking for ORBit libIDL usability""... $ac_c" 1>&6
-echo "configure:18259: checking for ORBit libIDL usability" >&5
+echo "configure:18266: checking for ORBit libIDL usability" >&5
         	_ORBIT_CFLAGS=`${ORBIT_CONFIG} client --cflags`
     	    _ORBIT_LIBS=`${ORBIT_CONFIG} client --libs`
             _ORBIT_INC_PATH=`${PERL} -e '{ for $f (@ARGV) { print "$f " if ($f =~ m/^-I/); } }' -- ${_ORBIT_CFLAGS}`
@@ -18272,7 +18279,7 @@ echo "configure:18259: checking for ORBit libIDL usability" >&5
                 result="maybe" 
 else
   cat > conftest.$ac_ext <<EOF
-#line 18276 "configure"
+#line 18283 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -18287,7 +18294,7 @@ int main() {
 }
             
 EOF
-if { (eval echo configure:18291: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:18298: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   _LIBIDL_FOUND=1
                 result="yes"
@@ -18343,7 +18350,7 @@ if test -z "${GLIB_CFLAGS}" || test -z "${GLIB_LIBS}" ; then
     # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:18347: checking for $ac_word" >&5
+echo "configure:18354: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PKG_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -18387,19 +18394,19 @@ fi
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
         echo $ac_n "checking for glib-2.0 >= 1.3.7 gobject-2.0""... $ac_c" 1>&6
-echo "configure:18391: checking for glib-2.0 >= 1.3.7 gobject-2.0" >&5
+echo "configure:18398: checking for glib-2.0 >= 1.3.7 gobject-2.0" >&5
 
         if $PKG_CONFIG --exists "glib-2.0 >= 1.3.7 gobject-2.0" ; then
             echo "$ac_t""yes" 1>&6
             succeeded=yes
 
             echo $ac_n "checking GLIB_CFLAGS""... $ac_c" 1>&6
-echo "configure:18398: checking GLIB_CFLAGS" >&5
+echo "configure:18405: checking GLIB_CFLAGS" >&5
             GLIB_CFLAGS=`$PKG_CONFIG --cflags "glib-2.0 >= 1.3.7 gobject-2.0"`
             echo "$ac_t""$GLIB_CFLAGS" 1>&6
 
             echo $ac_n "checking GLIB_LIBS""... $ac_c" 1>&6
-echo "configure:18403: checking GLIB_LIBS" >&5
+echo "configure:18410: checking GLIB_LIBS" >&5
             ## Remove evil flags like -Wl,--export-dynamic
             GLIB_LIBS="`$PKG_CONFIG --libs \"glib-2.0 >= 1.3.7 gobject-2.0\" |sed s/-Wl,--export-dynamic//g`"
             echo "$ac_t""$GLIB_LIBS" 1>&6
@@ -18484,7 +18491,7 @@ fi
   # Extract the first word of "glib-config", so it can be a program name with args.
 set dummy glib-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:18488: checking for $ac_word" >&5
+echo "configure:18495: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_GLIB_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -18519,7 +18526,7 @@ fi
 
   min_glib_version=${GLIB_VERSION}
   echo $ac_n "checking for GLIB - version >= $min_glib_version""... $ac_c" 1>&6
-echo "configure:18523: checking for GLIB - version >= $min_glib_version" >&5
+echo "configure:18530: checking for GLIB - version >= $min_glib_version" >&5
   no_glib=""
   if test "$GLIB_CONFIG" = "no" ; then
     no_glib=yes
@@ -18542,7 +18549,7 @@ echo "configure:18523: checking for GLIB - version >= $min_glib_version" >&5
   echo $ac_n "cross compiling; assumed OK... $ac_c"
 else
   cat > conftest.$ac_ext <<EOF
-#line 18546 "configure"
+#line 18553 "configure"
 #include "confdefs.h"
 
 #include <glib.h>
@@ -18618,7 +18625,7 @@ main ()
 }
 
 EOF
-if { (eval echo configure:18622: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:18629: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -18652,7 +18659,7 @@ fi
           CFLAGS="$CFLAGS $GLIB_CFLAGS"
           LIBS="$LIBS $GLIB_LIBS"
           cat > conftest.$ac_ext <<EOF
-#line 18656 "configure"
+#line 18663 "configure"
 #include "confdefs.h"
 
 #include <glib.h>
@@ -18662,7 +18669,7 @@ int main() {
  return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); 
 ; return 0; }
 EOF
-if { (eval echo configure:18666: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18673: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
    echo "*** The test program compiled, but did not run. This usually means"
           echo "*** that the run-time linker is not finding GLIB or finding the wrong"
@@ -18742,19 +18749,19 @@ mk_add_options MOZ_CO_MODULE=mozilla/other-licenses/libart_lgpl" 1>&2; exit 1; }
   # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:18746: checking for working alloca.h" >&5
+echo "configure:18753: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18751 "configure"
+#line 18758 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:18758: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18765: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -18775,12 +18782,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:18779: checking for alloca" >&5
+echo "configure:18786: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18784 "configure"
+#line 18791 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -18808,7 +18815,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:18812: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -18840,12 +18847,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:18844: checking whether alloca needs Cray hooks" >&5
+echo "configure:18851: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18849 "configure"
+#line 18856 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -18870,12 +18877,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:18874: checking for $ac_func" >&5
+echo "configure:18881: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18879 "configure"
+#line 18886 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -18898,7 +18905,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:18902: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18909: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -18925,7 +18932,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:18929: checking stack direction for C alloca" >&5
+echo "configure:18936: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -18933,7 +18940,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 18937 "configure"
+#line 18944 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -18952,7 +18959,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:18956: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:18963: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -19001,17 +19008,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:19005: checking for $ac_hdr" >&5
+echo "configure:19012: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 19010 "configure"
+#line 19017 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:19015: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:19022: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -19080,7 +19087,7 @@ EOF
     # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:19084: checking for $ac_word" >&5
+echo "configure:19091: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PKG_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -19124,19 +19131,19 @@ fi
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
         echo $ac_n "checking for fontconfig freetype2""... $ac_c" 1>&6
-echo "configure:19128: checking for fontconfig freetype2" >&5
+echo "configure:19135: checking for fontconfig freetype2" >&5
 
         if $PKG_CONFIG --exists "fontconfig freetype2" ; then
             echo "$ac_t""yes" 1>&6
             succeeded=yes
 
             echo $ac_n "checking CAIRO_FT_CFLAGS""... $ac_c" 1>&6
-echo "configure:19135: checking CAIRO_FT_CFLAGS" >&5
+echo "configure:19142: checking CAIRO_FT_CFLAGS" >&5
             CAIRO_FT_CFLAGS=`$PKG_CONFIG --cflags "fontconfig freetype2"`
             echo "$ac_t""$CAIRO_FT_CFLAGS" 1>&6
 
             echo $ac_n "checking CAIRO_FT_LIBS""... $ac_c" 1>&6
-echo "configure:19140: checking CAIRO_FT_LIBS" >&5
+echo "configure:19147: checking CAIRO_FT_LIBS" >&5
             ## Remove evil flags like -Wl,--export-dynamic
             CAIRO_FT_LIBS="`$PKG_CONFIG --libs \"fontconfig freetype2\" |sed s/-Wl,--export-dynamic//g`"
             echo "$ac_t""$CAIRO_FT_LIBS" 1>&6
@@ -19226,7 +19233,7 @@ echo "configure:19140: checking CAIRO_FT_LIBS" >&5
     # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:19230: checking for $ac_word" >&5
+echo "configure:19237: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PKG_CONFIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -19270,19 +19277,19 @@ fi
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
         echo $ac_n "checking for cairo >= $CAIRO_VERSION freetype2 fontconfig""... $ac_c" 1>&6
-echo "configure:19274: checking for cairo >= $CAIRO_VERSION freetype2 fontconfig" >&5
+echo "configure:19281: checking for cairo >= $CAIRO_VERSION freetype2 fontconfig" >&5
 
         if $PKG_CONFIG --exists "cairo >= $CAIRO_VERSION freetype2 fontconfig" ; then
             echo "$ac_t""yes" 1>&6
             succeeded=yes
 
             echo $ac_n "checking CAIRO_CFLAGS""... $ac_c" 1>&6
-echo "configure:19281: checking CAIRO_CFLAGS" >&5
+echo "configure:19288: checking CAIRO_CFLAGS" >&5
             CAIRO_CFLAGS=`$PKG_CONFIG --cflags "cairo >= $CAIRO_VERSION freetype2 fontconfig"`
             echo "$ac_t""$CAIRO_CFLAGS" 1>&6
 
             echo $ac_n "checking CAIRO_LIBS""... $ac_c" 1>&6
-echo "configure:19286: checking CAIRO_LIBS" >&5
+echo "configure:19293: checking CAIRO_LIBS" >&5
             ## Remove evil flags like -Wl,--export-dynamic
             CAIRO_LIBS="`$PKG_CONFIG --libs \"cairo >= $CAIRO_VERSION freetype2 fontconfig\" |sed s/-Wl,--export-dynamic//g`"
             echo "$ac_t""$CAIRO_LIBS" 1>&6
@@ -19631,14 +19638,14 @@ ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$a
 cross_compiling=$ac_cv_prog_cc_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 19635 "configure"
+#line 19642 "configure"
 #include "confdefs.h"
 #include <gmodule.h>
 int main() {
  int x = 1; x++; 
 ; return 0; }
 EOF
-if { (eval echo configure:19642: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:19649: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -19945,7 +19952,7 @@ if test "$MOZ_X11"; then
                 _SAVE_CFLAGS=$CFLAGS
     CFLAGS="$CFLAGS $XCFLAGS"
     cat > conftest.$ac_ext <<EOF
-#line 19949 "configure"
+#line 19956 "configure"
 #include "confdefs.h"
 
         #include <stdio.h>
@@ -19962,7 +19969,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:19966: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:19973: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5