Create bundle version of libxpcom for OSX GRE builds.

Bug #186599 r=mcafee

xpcom/build/Makefile.in

@@ -28,6 +28,13 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= xpcom
 LIBRARY_NAME	= xpcom
+
+ifdef _BUILD_BUNDLE
+IS_COMPONENT	= 1
+DLL_SUFFIX	= .bundle
+NO_DIST_INSTALL	= 1
+endif
+
 # Do not set EXPORT_LIBRARY as we do not want xpcom in the static libs list
 #EXPORT_LIBRARY = 1
 REQUIRES	= libreg \
@@ -116,6 +123,17 @@ OS_LIBS += $(LIBICONV)
 
 include $(topsrcdir)/config/rules.mk
 
+ifndef DISABLE_DIST_GRE
+ifeq ($(OS_ARCH),Darwin)
+GARBAGE	+= $(SHARED_LIBRARY:$(DLL_SUFFIX)=.bundle)
+ifndef _BUILD_BUNDLE
+libs:: $(SHARED_LIBRARY)
+	$(MAKE) libs _BUILD_BUNDLE=1 
+	$(INSTALL) $(LIB_PREFIX)$(LIBRARY_NAME).bundle $(DIST)/gre
+endif
+endif
+endif
+
 DEFINES		+= \
 		-D_IMPL_NS_COM \
 		-DEXPORT_XPT_API \