Bug 746382 - save a copy of whatever mozconfig you used into $OBJDIR/.mozconfig to make it easier to automate rebuilds. r=khuey

--HG--
extra : rebase_source : 08b3f46644fd97403b9306f9040e05d5b2f20087

client.mk

@@ -324,8 +324,12 @@ configure-preqs = \
   configure-files \
   $(call mkdir_deps,$(OBJDIR)) \
   $(if $(MOZ_BUILD_PROJECTS),$(call mkdir_deps,$(MOZ_OBJDIR))) \
+  save-mozconfig \
   $(NULL)
 
+save-mozconfig:
+	-cp $(FOUND_MOZCONFIG) $(OBJDIR)/.mozconfig
+
 configure:: $(configure-preqs)
 	@echo cd $(OBJDIR);
 	@echo $(CONFIGURE) $(CONFIGURE_ARGS)