diff -r 000000000000 -r 6474c204b198 toolkit/content/Makefile.in
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/content/Makefile.in	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+#
+# 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/.
+
+USE_RCS_MK := 1
+include $(topsrcdir)/config/makefiles/makeutils.mk
+
+DEFINES += \
+  -DCXXFLAGS='$(CXXFLAGS)' \
+  -DCPPFLAGS='$(CPPFLAGS)' \
+  $(NULL)
+
+MOZ_SOURCE_STAMP ?= $(shell hg -R $(topsrcdir) parent --template='{node|short}\n' 2>/dev/null)
+ifdef MOZ_SOURCE_STAMP
+DEFINES += -DSOURCE_CHANGESET='$(MOZ_SOURCE_STAMP)'
+endif
+
+source_repo ?= $(call getSourceRepo)
+ifneq (,$(filter http%,$(source_repo)))
+  DEFINES += -DSOURCE_REPO='$(source_repo)'
+else ifneq (,$(strip $(source_repo)))
+  DEFINES += -DSOURCE_GIT_COMMIT='$(source_repo)'
+endif
+
+ifndef BUILD_HOSTNAME
+  BUILD_HOSTNAME = $(shell hostname -s || hostname)
+endif
+DEFINES += -DBUILD_HOSTNAME='$(BUILD_HOSTNAME)'