Fix bug 725075 - rsync xpi-stage/lightning to dist dir on mac osx. r=Standard8

--HG--
extra : rebase_source : 35b6eabb7fa3971064b6d1bfacfbd5db17bcc409

calendar/lightning/Makefile.in

@@ -156,6 +156,13 @@ libs::
 include $(topsrcdir)/config/rules.mk
 include $(srcdir)/lightning-packager.mk
 
+ifeq (cocoa,$(MOZ_WIDGET_TOOLKIT))
+# If the macbundle dist dir was already created, sync lightning here to avoid
+# the need to make -C objdir/mail/app each time
+libs::
+	[ -d $(DIST)/$(MOZ_MACBUNDLE_NAME) ] && rsync -a $(FINAL_TARGET) $(DIST)/$(MOZ_MACBUNDLE_NAME)/Contents/MacOS/extensions/$(XPI_EM_ID) || true
+endif
+
 ident:
 	@printf "comm_revision "
 	@$(PYTHON) $(MOZILLA_SRCDIR)/config/printconfigsetting.py \