The Tor Browser / file revision

 #!/usr/bin/env python

 # Copyright (c) 2012 Google Inc. All rights reserved.

 # Use of this source code is governed by a BSD-style license that can be

 # found in the LICENSE file.

 """

 Verifies that a project hierarchy created with the --generator-output=

 option can be built even when it's relocated to a different path.

 """

 import TestGyp

 import os

 test = TestGyp.TestGyp()

 test.run_gyp('standalone.gyp', '-Gstandalone')

 # Look at all the files in the tree to make sure none

 # of them reference the gyp file.

 for root, dirs, files in os.walk("."):

   for file in files:

     # ignore ourself

     if os.path.splitext(__file__)[0] in file:

       continue

     file = os.path.join(root, file)

     contents = open(file).read()

     if 'standalone.gyp' in contents:

       print 'gyp file referenced in generated output: %s' % file

       test.fail_test()

 test.pass_test()