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1#!/usr/bin/env python
2# Copyright (c) 2012 The Chromium Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6import shutil
7import sys
8import os
9
10def patch_msbuild():
11  """VS2010 MSBuild has a ULDI bug that we patch here. See http://goo.gl/Pn8tj.
12  """
13  source_path = os.path.join(os.environ['ProgramFiles(x86)'],
14                             "MSBuild",
15                             "Microsoft.Cpp",
16                             "v4.0",
17                             "Microsoft.CppBuild.targets")
18  backup_path = source_path + ".backup"
19  if not os.path.exists(backup_path):
20    try:
21      print "Backing up %s..." % source_path
22      shutil.copyfile(source_path, backup_path)
23    except IOError:
24      print "Could not back up %s to %s. Run as Administrator?" % (
25          source_path, backup_path)
26      return 1
27
28  source = open(source_path).read()
29  base = ('''<Target Name="GetResolvedLinkObjs" Returns="@(ObjFullPath)" '''
30          '''DependsOnTargets="$(CommonBuildOnlyTargets);ComputeCLOutputs;'''
31          '''ResolvedLinkObjs"''')
32  find = base + '>'
33  replace = base + ''' Condition="'$(ConfigurationType)'=='StaticLibrary'">'''
34  result = source.replace(find, replace)
35
36  if result != source:
37    open(source_path, "w").write(result)
38    print "Patched %s." % source_path
39  return 0
40
41
42def main():
43  return patch_msbuild()
44
45
46if __name__ == "__main__":
47  sys.exit(main())
48