replace_gyp_files.py revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1#!/usr/bin/env python
2# Copyright 2013 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
6"""
7Replaces gyp files in tree with files from here that
8make the build use system libraries.
9"""
10
11
12import optparse
13import os.path
14import shutil
15import sys
16
17
18REPLACEMENTS = {
19  'use_system_expat': 'third_party/expat/expat.gyp',
20  'use_system_ffmpeg': 'third_party/ffmpeg/ffmpeg.gyp',
21  'use_system_flac': 'third_party/flac/flac.gyp',
22  'use_system_harfbuzz': 'third_party/harfbuzz-ng/harfbuzz.gyp',
23  'use_system_icu': 'third_party/icu/icu.gyp',
24  'use_system_jsoncpp': 'third_party/jsoncpp/jsoncpp.gyp',
25  'use_system_libevent': 'third_party/libevent/libevent.gyp',
26  'use_system_libjpeg': 'third_party/libjpeg/libjpeg.gyp',
27  'use_system_libpng': 'third_party/libpng/libpng.gyp',
28  'use_system_libusb': 'third_party/libusb/libusb.gyp',
29  'use_system_libvpx': 'third_party/libvpx/libvpx.gyp',
30  'use_system_libwebp': 'third_party/libwebp/libwebp.gyp',
31  'use_system_libxml': 'third_party/libxml/libxml.gyp',
32  'use_system_libxnvctrl' : 'third_party/libXNVCtrl/libXNVCtrl.gyp',
33  'use_system_libxslt': 'third_party/libxslt/libxslt.gyp',
34  'use_system_openssl': 'third_party/boringssl/boringssl.gyp',
35  'use_system_opus': 'third_party/opus/opus.gyp',
36  'use_system_protobuf': 'third_party/protobuf/protobuf.gyp',
37  'use_system_re2': 'third_party/re2/re2.gyp',
38  'use_system_snappy': 'third_party/snappy/snappy.gyp',
39  'use_system_speex': 'third_party/speex/speex.gyp',
40  'use_system_sqlite': 'third_party/sqlite/sqlite.gyp',
41  'use_system_v8': 'v8/tools/gyp/v8.gyp',
42  'use_system_zlib': 'third_party/zlib/zlib.gyp',
43}
44
45
46def DoMain(argv):
47  my_dirname = os.path.dirname(__file__)
48  source_tree_root = os.path.abspath(
49    os.path.join(my_dirname, '..', '..', '..'))
50
51  parser = optparse.OptionParser()
52
53  # Accept arguments in gyp command-line syntax, so that the caller can re-use
54  # command-line for this script and gyp.
55  parser.add_option('-D', dest='defines', action='append')
56
57  parser.add_option('--undo', action='store_true')
58
59  options, args = parser.parse_args(argv)
60
61  for flag, path in REPLACEMENTS.items():
62    if '%s=1' % flag not in options.defines:
63      continue
64
65    if options.undo:
66      # Restore original file, and also remove the backup.
67      # This is meant to restore the source tree to its original state.
68      os.rename(os.path.join(source_tree_root, path + '.orig'),
69                os.path.join(source_tree_root, path))
70    else:
71      # Create a backup copy for --undo.
72      shutil.copyfile(os.path.join(source_tree_root, path),
73                      os.path.join(source_tree_root, path + '.orig'))
74
75      # Copy the gyp file from directory of this script to target path.
76      shutil.copyfile(os.path.join(my_dirname, os.path.basename(path)),
77                      os.path.join(source_tree_root, path))
78
79  return 0
80
81
82if __name__ == '__main__':
83  sys.exit(DoMain(sys.argv))
84