new file mode 100644
--- /dev/null
+++ b/build/stdc++compat.cpp
@@ -0,0 +1,114 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is a hack to avoid dependencies on recent libstdc++.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2011
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Mike Hommey <mh@glandium.org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <ostream>
+#include <istream>
+#ifdef DEBUG
+#include <string>
+#endif
+
+namespace std {
+#if (__GNUC__ == 4) && (__GNUC_MINOR__ >= 2)
+    /* Instantiate these templates to avoid GLIBCXX_3.4.9 symbol versions */
+    template ostream& ostream::_M_insert(double);
+    template ostream& ostream::_M_insert(long);
+    template ostream& ostream::_M_insert(unsigned long);
+    template ostream& __ostream_insert(ostream&, const char*, streamsize);
+    template istream& istream::_M_extract(double&);
+#endif
+#ifdef DEBUG
+#if (__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)
+    /* Instantiate these templates to avoid GLIBCXX_3.4.14 symbol versions
+     * in debug builds */
+    template char *basic_string<char, char_traits<char>, allocator<char> >::_S_construct_aux_2(size_type, char, allocator<char> const&);
+    template wchar_t *basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >::_S_construct_aux_2(size_type, wchar_t, allocator<wchar_t> const&);
+#endif
+#endif
+}
+
+namespace std __attribute__((visibility("default"))) {
+
+#if (__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)
+    /* Hack to avoid GLIBCXX_3.4.14 symbol versions */
+    struct _List_node_base
+    {
+        void hook(_List_node_base * const __position) throw ();
+
+        void unhook() throw ();
+
+        void transfer(_List_node_base * const __first,
+                      _List_node_base * const __last) throw();
+
+        void _M_hook(_List_node_base * const __position) throw ();
+
+        void _M_unhook() throw ();
+
+        void _M_transfer(_List_node_base * const __first,
+                         _List_node_base * const __last) throw();
+    };
+
+    /* The functions actually have the same implementation */
+    void
+    _List_node_base::_M_hook(_List_node_base * const __position) throw ()
+    {
+        hook(__position);
+    }
+
+    void
+    _List_node_base::_M_unhook() throw ()
+    {
+        unhook();
+    }
+
+    void
+    _List_node_base::_M_transfer(_List_node_base * const __first,
+                                 _List_node_base * const __last) throw ()
+    {
+        transfer(__first, __last);
+    }
+#endif
+
+#if (__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)
+    /* Hack to avoid GLIBCXX_3.4.11 symbol versions
+       An inline definition of ctype<char>::_M_widen_init() used to be in
+       locale_facets.h before GCC 4.4, but moved out of headers in more
+       recent versions.
+       It is actually safe to make it do nothing. */
+    void ctype<char>::_M_widen_init() const {}
+#endif
+
+}

--- a/build/unix/elfhack/Makefile.in
+++ b/build/unix/elfhack/Makefile.in
@@ -43,19 +43,22 @@ VPATH		= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
 
 INTERNAL_TOOLS = 1
 
 HOST_PROGRAM = elfhack
 NO_DIST_INSTALL = 1
 
+VPATH += $(topsrcdir)/build
+
 HOST_CPPSRCS = \
   elf.cpp \
   elfhack.cpp \
+  $(STDCXX_COMPAT) \
   $(NULL)
 
 OS_CXXFLAGS := $(filter-out -fno-exceptions,$(OS_CXXFLAGS)) -fexceptions
 
 ifneq (,$(filter %86,$(TARGET_CPU)))
 CPU := x86
 else
 ifneq (,$(filter arm%,$(TARGET_CPU)))

--- a/config/autoconf.mk.in
+++ b/config/autoconf.mk.in
@@ -112,16 +112,17 @@ MOZ_CALLGRIND   = @MOZ_CALLGRIND@
 MOZ_VTUNE       = @MOZ_VTUNE@
 MOZ_TRACE_JSCALLS = @MOZ_TRACE_JSCALLS@
 MOZ_TRACEVIS    = @MOZ_TRACEVIS@
 DEHYDRA_PATH    = @DEHYDRA_PATH@
 
 NS_TRACE_MALLOC = @NS_TRACE_MALLOC@
 USE_ELF_DYNSTR_GC = @USE_ELF_DYNSTR_GC@
 USE_ELF_HACK = @USE_ELF_HACK@
+STDCXX_COMPAT = @STDCXX_COMPAT@
 INCREMENTAL_LINKER = @INCREMENTAL_LINKER@
 MACOSX_DEPLOYMENT_TARGET = @MACOSX_DEPLOYMENT_TARGET@
 MOZ_MAIL_NEWS	= @MOZ_MAIL_NEWS@
 BUILD_STATIC_LIBS = @BUILD_STATIC_LIBS@
 MOZ_ENABLE_LIBXUL = @MOZ_ENABLE_LIBXUL@
 ENABLE_TESTS	= @ENABLE_TESTS@
 IBMBIDI = @IBMBIDI@
 MOZ_UNIVERSALCHARDET = @MOZ_UNIVERSALCHARDET@

--- a/config/config.mk
+++ b/config/config.mk
@@ -844,8 +844,12 @@ CREATE_PRECOMPLETE_CMD = $(PYTHON) $(cal
 EXPAND_LIBS = $(PYTHON) -I$(DEPTH)/config $(topsrcdir)/config/expandlibs.py
 EXPAND_LIBS_EXEC = $(PYTHON) $(topsrcdir)/config/pythonpath.py -I$(DEPTH)/config $(topsrcdir)/config/expandlibs_exec.py
 EXPAND_LIBS_GEN = $(PYTHON) $(topsrcdir)/config/pythonpath.py -I$(DEPTH)/config $(topsrcdir)/config/expandlibs_gen.py
 EXPAND_AR = $(EXPAND_LIBS_EXEC) --extract -- $(AR)
 EXPAND_CC = $(EXPAND_LIBS_EXEC) --uselist -- $(CC)
 EXPAND_CCC = $(EXPAND_LIBS_EXEC) --uselist -- $(CCC)
 EXPAND_LD = $(EXPAND_LIBS_EXEC) --uselist -- $(LD)
 EXPAND_MKSHLIB = $(EXPAND_LIBS_EXEC) --uselist -- $(MKSHLIB)
+
+ifdef STDCXX_COMPAT
+CHECK_STDCXX = objdump -p $(1) | grep -e 'GLIBCXX_3\.4\.\(9\|[1-9][0-9]\)' && echo "Error: We don't want these libstdc++ symbol versions to be used" && exit 1 || exit 0
+endif

--- a/config/rules.mk
+++ b/config/rules.mk
@@ -987,16 +987,17 @@ endif	# MSVC with manifest tool
 ifdef MOZ_PROFILE_GENERATE
 # touch it a few seconds into the future to work around FAT's
 # 2-second granularity
 	touch -t `date +%Y%m%d%H%M.%S -d "now+5seconds"` pgo.relink
 endif
 else # !WINNT || GNU_CC
 ifeq ($(CPP_PROG_LINK),1)
 	$(EXPAND_CCC) -o $@ $(CXXFLAGS) $(WRAP_MALLOC_CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(WRAP_MALLOC_LIB) $(EXE_DEF_FILE)
+	$(call CHECK_STDCXX,$@)
 else # ! CPP_PROG_LINK
 	$(EXPAND_CC) -o $@ $(CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(EXE_DEF_FILE)
 endif # CPP_PROG_LINK
 endif # WINNT && !GNU_CC
 endif # WINCE
 
 ifdef ENABLE_STRIP
 	$(STRIP) $@
@@ -1052,16 +1053,17 @@ ifdef MSMANIFEST_TOOL
 	@if test -f $@.manifest; then \
 		mt.exe -NOLOGO -MANIFEST $@.manifest -OUTPUTRESOURCE:$@\;1; \
 		rm -f $@.manifest; \
 	fi
 endif	# MSVC with manifest tool
 else
 ifeq ($(CPP_PROG_LINK),1)
 	$(EXPAND_CCC) $(WRAP_MALLOC_CFLAGS) $(CXXFLAGS) -o $@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB) $(BIN_FLAGS)
+	$(call CHECK_STDCXX,$@)
 else
 	$(EXPAND_CC) $(WRAP_MALLOC_CFLAGS) $(CFLAGS) $(OUTOPTION)$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB) $(BIN_FLAGS)
 endif # CPP_PROG_LINK
 endif # WINNT && !GNU_CC
 endif # WINCE
 
 ifdef ENABLE_STRIP
 	$(STRIP) $@
@@ -1172,16 +1174,17 @@ ifdef DTRACE_LIB_DEPENDENT
 ifndef XP_MACOSX
 	dtrace -G -C -s $(MOZILLA_DTRACE_SRC) -o  $(DTRACE_PROBE_OBJ) $(shell $(EXPAND_LIBS) $(MOZILLA_PROBE_LIBS))
 endif
 	$(EXPAND_MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(LOBJS) $(SUB_SHLOBJS) $(DTRACE_PROBE_OBJ) $(MOZILLA_PROBE_LIBS) $(RESFILE) $(LDFLAGS) $(SHARED_LIBRARY_LIBS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
 	@$(RM) $(DTRACE_PROBE_OBJ)
 else # ! DTRACE_LIB_DEPENDENT
 	$(EXPAND_MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(DTRACE_PROBE_OBJ) $(LOBJS) $(SUB_SHLOBJS) $(RESFILE) $(LDFLAGS) $(SHARED_LIBRARY_LIBS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
 endif # DTRACE_LIB_DEPENDENT
+	$(call CHECK_STDCXX,$@)
 
 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
 ifdef MSMANIFEST_TOOL
 ifdef EMBED_MANIFEST_AT
 	@if test -f $@.manifest; then \
 		mt.exe -NOLOGO -MANIFEST $@.manifest -OUTPUTRESOURCE:$@\;$(EMBED_MANIFEST_AT); \
 		rm -f $@.manifest; \
 	fi

--- a/configure.in
+++ b/configure.in
@@ -7712,16 +7712,38 @@ if test "$USE_ELF_HACK" = 1; then
         ;;
     *)
         USE_ELF_HACK=
         ;;
     esac
 fi
 
 dnl ========================================================
+dnl = libstdc++ compatibility hacks
+dnl ========================================================
+
+STDCXX_COMPAT=stdc++compat.cpp
+MOZ_ARG_DISABLE_BOOL(stdcxx-compat,
+[  --disable-stdcxx-compat Disable libstdc++ compatibility],
+    STDCXX_COMPAT=)
+
+# Disable on platforms where it doesn't make sense
+if test -n "$STDCXX_COMPAT"; then
+    case "${OS_TARGET}" in
+    Linux)
+        ;;
+    *)
+        STDCXX_COMPAT=
+        ;;
+    esac
+fi
+
+AC_SUBST(STDCXX_COMPAT)
+
+dnl ========================================================
 dnl = 
 dnl = Profiling and Instrumenting
 dnl = 
 dnl ========================================================
 MOZ_ARG_HEADER(Profiling and Instrumenting)
 
 dnl ========================================================
 dnl = Enable timeline service, which provides lightweight

--- a/js/src/config/config.mk
+++ b/js/src/config/config.mk
@@ -844,8 +844,12 @@ CREATE_PRECOMPLETE_CMD = $(PYTHON) $(cal
 EXPAND_LIBS = $(PYTHON) -I$(DEPTH)/config $(topsrcdir)/config/expandlibs.py
 EXPAND_LIBS_EXEC = $(PYTHON) $(topsrcdir)/config/pythonpath.py -I$(DEPTH)/config $(topsrcdir)/config/expandlibs_exec.py
 EXPAND_LIBS_GEN = $(PYTHON) $(topsrcdir)/config/pythonpath.py -I$(DEPTH)/config $(topsrcdir)/config/expandlibs_gen.py
 EXPAND_AR = $(EXPAND_LIBS_EXEC) --extract -- $(AR)
 EXPAND_CC = $(EXPAND_LIBS_EXEC) --uselist -- $(CC)
 EXPAND_CCC = $(EXPAND_LIBS_EXEC) --uselist -- $(CCC)
 EXPAND_LD = $(EXPAND_LIBS_EXEC) --uselist -- $(LD)
 EXPAND_MKSHLIB = $(EXPAND_LIBS_EXEC) --uselist -- $(MKSHLIB)
+
+ifdef STDCXX_COMPAT
+CHECK_STDCXX = objdump -p $(1) | grep -e 'GLIBCXX_3\.4\.\(9\|[1-9][0-9]\)' && echo "Error: We don't want these libstdc++ symbol versions to be used" && exit 1 || exit 0
+endif

--- a/js/src/config/rules.mk
+++ b/js/src/config/rules.mk
@@ -987,16 +987,17 @@ endif	# MSVC with manifest tool
 ifdef MOZ_PROFILE_GENERATE
 # touch it a few seconds into the future to work around FAT's
 # 2-second granularity
 	touch -t `date +%Y%m%d%H%M.%S -d "now+5seconds"` pgo.relink
 endif
 else # !WINNT || GNU_CC
 ifeq ($(CPP_PROG_LINK),1)
 	$(EXPAND_CCC) -o $@ $(CXXFLAGS) $(WRAP_MALLOC_CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(WRAP_MALLOC_LIB) $(EXE_DEF_FILE)
+	$(call CHECK_STDCXX,$@)
 else # ! CPP_PROG_LINK
 	$(EXPAND_CC) -o $@ $(CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(EXE_DEF_FILE)
 endif # CPP_PROG_LINK
 endif # WINNT && !GNU_CC
 endif # WINCE
 
 ifdef ENABLE_STRIP
 	$(STRIP) $@
@@ -1052,16 +1053,17 @@ ifdef MSMANIFEST_TOOL
 	@if test -f $@.manifest; then \
 		mt.exe -NOLOGO -MANIFEST $@.manifest -OUTPUTRESOURCE:$@\;1; \
 		rm -f $@.manifest; \
 	fi
 endif	# MSVC with manifest tool
 else
 ifeq ($(CPP_PROG_LINK),1)
 	$(EXPAND_CCC) $(WRAP_MALLOC_CFLAGS) $(CXXFLAGS) -o $@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB) $(BIN_FLAGS)
+	$(call CHECK_STDCXX,$@)
 else
 	$(EXPAND_CC) $(WRAP_MALLOC_CFLAGS) $(CFLAGS) $(OUTOPTION)$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB) $(BIN_FLAGS)
 endif # CPP_PROG_LINK
 endif # WINNT && !GNU_CC
 endif # WINCE
 
 ifdef ENABLE_STRIP
 	$(STRIP) $@
@@ -1172,16 +1174,17 @@ ifdef DTRACE_LIB_DEPENDENT
 ifndef XP_MACOSX
 	dtrace -G -C -s $(MOZILLA_DTRACE_SRC) -o  $(DTRACE_PROBE_OBJ) $(shell $(EXPAND_LIBS) $(MOZILLA_PROBE_LIBS))
 endif
 	$(EXPAND_MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(LOBJS) $(SUB_SHLOBJS) $(DTRACE_PROBE_OBJ) $(MOZILLA_PROBE_LIBS) $(RESFILE) $(LDFLAGS) $(SHARED_LIBRARY_LIBS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
 	@$(RM) $(DTRACE_PROBE_OBJ)
 else # ! DTRACE_LIB_DEPENDENT
 	$(EXPAND_MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(DTRACE_PROBE_OBJ) $(LOBJS) $(SUB_SHLOBJS) $(RESFILE) $(LDFLAGS) $(SHARED_LIBRARY_LIBS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
 endif # DTRACE_LIB_DEPENDENT
+	$(call CHECK_STDCXX,$@)
 
 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
 ifdef MSMANIFEST_TOOL
 ifdef EMBED_MANIFEST_AT
 	@if test -f $@.manifest; then \
 		mt.exe -NOLOGO -MANIFEST $@.manifest -OUTPUTRESOURCE:$@\;$(EMBED_MANIFEST_AT); \
 		rm -f $@.manifest; \
 	fi

--- a/modules/plugin/test/testplugin/Makefile.in
+++ b/modules/plugin/test/testplugin/Makefile.in
@@ -51,19 +51,22 @@ STL_FLAGS =
 
 # must link statically with the CRT; nptest isn't Gecko code
 USE_STATIC_LIBS = 1
 
 # Need to custom install plugins
 NO_DIST_INSTALL	= 1
 NO_INSTALL = 1
 
+VPATH += $(topsrcdir)/build
+
 CPPSRCS   =  \
   nptest.cpp \
   nptest_utils.cpp \
+  $(STDCXX_COMPAT) \
   $(NULL)
 
 ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)
 CMMSRCS = nptest_macosx.mm
 endif
 
 ifeq ($(MOZ_WIDGET_TOOLKIT),gtk2)
 CPPSRCS += nptest_gtk2.cpp

--- a/toolkit/crashreporter/client/Makefile.in
+++ b/toolkit/crashreporter/client/Makefile.in
@@ -53,17 +53,22 @@ STL_FLAGS =
 
 ifneq ($(OS_TARGET),Android)
 PROGRAM = crashreporter$(BIN_SUFFIX)
 DIST_PROGRAM = crashreporter$(BIN_SUFFIX)
 endif
 
 LOCAL_INCLUDES = -I$(srcdir)/../google-breakpad/src
 
-CPPSRCS = crashreporter.cpp
+VPATH += $(topsrcdir)/build/
+
+CPPSRCS = \
+  crashreporter.cpp \
+  $(STDCXX_COMPAT) \
+  $(NULL)
 
 ifeq ($(OS_ARCH),WINNT)
 CPPSRCS += crashreporter_win.cpp
 LIBS += \
   $(DEPTH)/toolkit/crashreporter/google-breakpad/src/client/windows/sender/$(LIB_PREFIX)crash_report_sender_s.$(LIB_SUFFIX) \
   $(DEPTH)/toolkit/crashreporter/google-breakpad/src/common/windows/$(LIB_PREFIX)breakpad_windows_common_s.$(LIB_SUFFIX) \
   $(NULL)
 LOCAL_INCLUDES += -I$(srcdir)

--- a/toolkit/crashreporter/test/Makefile.in
+++ b/toolkit/crashreporter/test/Makefile.in
@@ -47,25 +47,27 @@ MODULE = crashreporter_test
 XPCSHELL_TESTS = unit
 
 LIBRARY_NAME = testcrasher
 NO_DIST_INSTALL = 1
 
 VPATH += \
   $(srcdir)/../google-breakpad/src/processor/ \
   $(srcdir)/../google-breakpad/src/common/ \
+  $(topsrcdir)/build/ \
   $(NULL)
 
 CPPSRCS = \
   nsTestCrasher.cpp \
   dumputils.cpp \
   basic_code_modules.cc \
   logging.cc \
   minidump.cc \
   pathname_stripper.cc \
+  $(STDCXX_COMPAT) \
   $(NULL)
 
 LOCAL_INCLUDES += \
   -I$(XPIDL_GEN_DIR) \
   -I$(srcdir)/../google-breakpad/src/ \
   $(NULL)
 EXTRA_DSO_LIBS += xpcom
 EXTRA_DSO_LDOPTS += $(LIBS_DIR) $(MOZ_COMPONENT_LIBS)

--- a/toolkit/library/Makefile.in
+++ b/toolkit/library/Makefile.in
@@ -58,16 +58,18 @@ ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)
 # "libxul.dylib"
 LIBRARY_NAME=XUL
 # Setting MAKE_FRAMEWORK makes DLL_PREFIX and DLL_SUFFIX be ignored when
 # setting SHARED_LIBRARY; we need to leave DLL_PREFIX and DLL_SUFFIX
 # as-is so that dependencies of the form -ltracemalloc still work.
 MAKE_FRAMEWORK=1
 endif
 
+VPATH += $(topsrcdir)/build/
+CPPSRCS += $(STDCXX_COMPAT)
 
 ifeq ($(OS_ARCH)_$(GNU_CC),WINNT_)
 CPPSRCS += dlldeps-xul.cpp
 endif
 
 ifeq ($(OS_ARCH),WINCE)
 CPPSRCS += dlldeps-xul.cpp
 endif

--- a/xpcom/tests/Makefile.in
+++ b/xpcom/tests/Makefile.in
@@ -59,30 +59,32 @@ DIRS		= external component
 ifeq ($(OS_ARCH),WINNT)
 DIRS		+= windows
 endif
 
 ifdef DEHYDRA_PATH
 DIRS += static-checker
 endif
 
+VPATH += $(topsrcdir)/build
 
-CPPSRCS		= \
-		nsIFileEnumerator.cpp \
-		TestCallTemplates.cpp \
-		TestINIParser.cpp \
-		TestRacingServiceManager.cpp \
-		TestRegistrationOrder.cpp \
-		TestThreadPoolListener.cpp \
-		TestTimers.cpp \
-		TestBlockingProcess.cpp \
-		TestQuickReturn.cpp \
-		TestArguments.cpp \
-		TestUnicodeArguments.cpp \
-		$(NULL)
+CPPSRCS = \
+  nsIFileEnumerator.cpp \
+  TestCallTemplates.cpp \
+  TestINIParser.cpp \
+  TestRacingServiceManager.cpp \
+  TestRegistrationOrder.cpp \
+  TestThreadPoolListener.cpp \
+  TestTimers.cpp \
+  TestBlockingProcess.cpp \
+  TestQuickReturn.cpp \
+  TestArguments.cpp \
+  TestUnicodeArguments.cpp \
+  $(STDCPPFLAGS) \
+  $(NULL)
 
 ifdef WRAP_STL_INCLUDES
 CPPSRCS += TestSTLWrappers.cpp
 endif
 
 SIMPLE_PROGRAMS	:= $(CPPSRCS:.cpp=$(BIN_SUFFIX))
 
 CPP_UNIT_TESTS = \
@@ -219,8 +221,13 @@ check::
 		exit 1; \
 	fi
 	$(RM_DIST) $(DIST_PATH)components/compreg.dat; \
 	$(DOCOPY) \
 	XPCOM_DEBUG_BREAK=stack-and-abort $(RUN_TEST_PROGRAM) \
 	  $(DIST)/bin/TestRegistrationOrder$(BIN_SUFFIX) $(regOrderDir)
 
 GARBAGE += TestScriptable.h
+
+ifdef STDCXX_COMPAT
+TestCheckedInt: $(STDCXX_COMPAT:.cpp=.$(OBJ_SUFFIX))
+TestCheckedInt: LIBS += $(STDCXX_COMPAT:.cpp=.$(OBJ_SUFFIX))
+endif