diff -r 000000000000 -r 6474c204b198 xulrunner/app.mozbuild
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xulrunner/app.mozbuild	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+# vim: set filetype=python:
+# 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/.
+
+app_libxul_dirs = []
+app_libxul_static_dirs = []
+include('/toolkit/toolkit.mozbuild')
+
+if CONFIG['MOZ_EXTENSIONS']:
+    add_tier_dir('app', 'extensions')
+
+if CONFIG['OS_ARCH'] == 'WINNT' and (CONFIG['ENABLE_TESTS'] or
+        CONFIG['MOZILLA_OFFICIAL']):
+    add_tier_dir('app', 'embedding/tests/winEmbed')
+
+add_tier_dir('app', 'xulrunner')