diff -r 000000000000 -r 6474c204b198 testing/gtest/Makefile.in
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/gtest/Makefile.in	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Avoid recursive make to avoid having to add files to the gtest/ subdirectory
+# (which is third-party code), and to make the build faster.
+
+include $(topsrcdir)/config/rules.mk
+
+# Bug 1028035: Linking xul-gtest.dll takes too long, so we disable GTest on
+# Windows PGO builds.
+ifeq (1_WINNT,$(MOZ_PGO)_$(OS_ARCH))
+SKIP_GTEST_DURING_MAKE_CHECK ?= 1
+endif
+
+ifeq (browser,$(MOZ_BUILD_APP))
+ifdef COMPILE_ENVIRONMENT
+ifneq (1,$(SKIP_GTEST_DURING_MAKE_CHECK))
+check gtest::
+	$(MAKE) -C $(DEPTH)/toolkit/library gtestxul
+ifeq (cocoa,$(MOZ_WIDGET_TOOLKIT))
+	$(MAKE) -C $(DEPTH)/browser/app repackage
+endif
+	$(PYTHON) $(topsrcdir)/testing/gtest/rungtests.py --xre-path=$(DIST)/bin --symbols-path=$(DIST)/crashreporter-symbols $(DIST)/bin/$(MOZ_APP_NAME)$(BIN_SUFFIX)
+else
+check gtest::
+	echo GTest skipped during make check
+endif
+endif
+endif