diff -r 000000000000 -r 6474c204b198 browser/components/migration/src/moz.build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/migration/src/moz.build	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+# -*- 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/.
+
+if CONFIG['OS_ARCH'] == 'WINNT':
+    SOURCES += [
+        'nsIEHistoryEnumerator.cpp',
+    ]
+
+EXTRA_COMPONENTS += [
+    'FirefoxProfileMigrator.js',
+    'ProfileMigrator.js',
+]
+
+if CONFIG['OS_ARCH'] == 'WINNT':
+    EXTRA_COMPONENTS += [
+        'IEProfileMigrator.js',
+    ]
+    DEFINES['HAS_IE_MIGRATOR'] = True
+
+EXTRA_PP_COMPONENTS += [
+    'BrowserProfileMigrators.manifest',
+    'ChromeProfileMigrator.js',
+]
+
+if CONFIG['OS_ARCH'] == 'WINNT':
+    EXTRA_PP_COMPONENTS += [
+        'SafariProfileMigrator.js',
+    ]
+    DEFINES['HAS_SAFARI_MIGRATOR'] = True
+
+if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
+    EXTRA_PP_COMPONENTS += [
+        'SafariProfileMigrator.js',
+    ]
+    DEFINES['HAS_SAFARI_MIGRATOR'] = True
+
+EXTRA_PP_JS_MODULES += [
+    'MigrationUtils.jsm',
+]
+
+FINAL_LIBRARY = 'browsercomps'