build/linux/unbundle/replace_gyp_files.py

   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 """
   7 Replaces gyp files in tree with files from here that
   8 make the build use system libraries.
   9 """
  10
  11
  12 import optparse
  13 import os.path
  14 import shutil
  15 import sys
  16
  17
  18 REPLACEMENTS = {
  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_opus': 'third_party/opus/opus.gyp',
  35   'use_system_protobuf': 'third_party/protobuf/protobuf.gyp',
  36   'use_system_re2': 'third_party/re2/re2.gyp',
  37   'use_system_snappy': 'third_party/snappy/snappy.gyp',
  38   'use_system_sqlite': 'third_party/sqlite/sqlite.gyp',
  39   'use_system_v8': 'v8/tools/gyp/v8.gyp',
  40   'use_system_zlib': 'third_party/zlib/zlib.gyp',
  41 }
  42
  43
  44 def DoMain(argv):
  45   my_dirname = os.path.dirname(__file__)
  46   source_tree_root = os.path.abspath(
  47     os.path.join(my_dirname, '..', '..', '..'))
  48
  49   parser = optparse.OptionParser()
  50
  51   # Accept arguments in gyp command-line syntax, so that the caller can re-use
  52   # command-line for this script and gyp.
  53   parser.add_option('-D', dest='defines', action='append')
  54
  55   parser.add_option('--undo', action='store_true')
  56
  57   options, args = parser.parse_args(argv)
  58
  59   for flag, path in REPLACEMENTS.items():
  60     if '%s=1' % flag not in options.defines:
  61       continue
  62
  63     if options.undo:
  64       # Restore original file, and also remove the backup.
  65       # This is meant to restore the source tree to its original state.
  66       os.rename(os.path.join(source_tree_root, path + '.orig'),
  67                 os.path.join(source_tree_root, path))
  68     else:
  69       # Create a backup copy for --undo.
  70       shutil.copyfile(os.path.join(source_tree_root, path),
  71                       os.path.join(source_tree_root, path + '.orig'))
  72
  73       # Copy the gyp file from directory of this script to target path.
  74       shutil.copyfile(os.path.join(my_dirname, os.path.basename(path)),
  75                       os.path.join(source_tree_root, path))
  76
  77   return 0
  78
  79
  80 if __name__ == '__main__':
  81   sys.exit(DoMain(sys.argv))