build/android/gyp/insert_chromium_version.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2014 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 """Insert a version string into a library as a section '.chromium.version'.
   8 """
   9
  10 import optparse
  11 import os
  12 import sys
  13 import tempfile
  14
  15 from util import build_utils
  16
  17 def InsertChromiumVersion(android_objcopy,
  18                           library_path,
  19                           version_string):
  20   # Remove existing .chromium.version section from .so
  21   objcopy_command = [android_objcopy,
  22                      '--remove-section=.chromium.version',
  23                      library_path]
  24   build_utils.CheckOutput(objcopy_command)
  25
  26   # Add a .chromium.version section.
  27   with tempfile.NamedTemporaryFile() as stream:
  28     stream.write(version_string)
  29     stream.flush()
  30     objcopy_command = [android_objcopy,
  31                        '--add-section', '.chromium.version=%s' % stream.name,
  32                        library_path]
  33     build_utils.CheckOutput(objcopy_command)
  34
  35 def main(args):
  36   args = build_utils.ExpandFileArgs(args)
  37   parser = optparse.OptionParser()
  38
  39   parser.add_option('--android-objcopy',
  40       help='Path to the toolchain\'s objcopy binary')
  41   parser.add_option('--stripped-libraries-dir',
  42       help='Directory of native libraries')
  43   parser.add_option('--libraries',
  44       help='List of libraries')
  45   parser.add_option('--version-string',
  46       help='Version string to be inserted')
  47   parser.add_option('--stamp', help='Path to touch on success')
  48
  49   options, _ = parser.parse_args(args)
  50   libraries = build_utils.ParseGypList(options.libraries)
  51
  52   for library in libraries:
  53     library_path = os.path.join(options.stripped_libraries_dir, library)
  54
  55     InsertChromiumVersion(options.android_objcopy,
  56                           library_path,
  57                           options.version_string)
  58
  59   if options.stamp:
  60     build_utils.Touch(options.stamp)
  61
  62   return 0
  63
  64
  65 if __name__ == '__main__':
  66   sys.exit(main(sys.argv[1:]))