diff -r 000000000000 -r 6474c204b198 xpcom/system/moz.build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/system/moz.build	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# 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/.
+
+XPIDL_SOURCES += [
+    'nsIBlocklistService.idl',
+    'nsIDeviceSensors.idl',
+    'nsIGConfService.idl',
+    'nsIGeolocationProvider.idl',
+    'nsIGIOService.idl',
+    'nsIGnomeVFSService.idl',
+    'nsIGSettingsService.idl',
+    'nsIHapticFeedback.idl',
+    'nsIXULAppInfo.idl',
+    'nsIXULRuntime.idl',
+]
+
+if CONFIG['MOZ_CRASHREPORTER']:
+    XPIDL_SOURCES += [
+        'nsICrashReporter.idl',
+    ]
+
+XPIDL_MODULE = 'xpcom_system'
+