diff -r 000000000000 -r 6474c204b198 ipc/chromium/Makefile.in
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/Makefile.in	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+# 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/.
+
+OS_CXXFLAGS := $(filter-out -fshort-wchar,$(OS_CXXFLAGS))
+
+ACDEFINES =
+
+ifndef MOZ_NATIVE_LIBEVENT # {
+vpath %.c \
+  $(srcdir)/src/third_party/libevent \
+  $(NULL)
+endif # }
+
+vpath %.cc \
+  $(srcdir)/src/base \
+  $(srcdir)/src/chrome/common \
+  $(NULL)
+
+vpath %.mm \
+  $(srcdir)/src/base \
+  $(srcdir)/src/chrome/common \
+  $(NULL)
+
+OS_CXXFLAGS += $(TK_CFLAGS)
+
+include $(topsrcdir)/config/rules.mk
+
+ifdef MOZ_NATIVE_LIBEVENT # {
+
+export-preqs = \
+  $(call mkdir_deps,$(CURDIR)/third_party/libevent) \
+  $(NULL)
+
+export:: $(export-preqs)
+	echo '#include <event.h>' > $(CURDIR)/third_party/libevent/event.h
+
+endif # }