build/android/gyp/gcc_preprocess.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2013 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 import optparse
   8 import os
   9 import sys
  10
  11 from util import build_utils
  12
  13 def DoGcc(options):
  14   build_utils.MakeDirectory(os.path.dirname(options.output))
  15
  16   gcc_cmd = [ 'gcc' ]  # invoke host gcc.
  17   if options.defines:
  18     gcc_cmd.extend(sum(map(lambda w: ['-D', w], options.defines), []))
  19   gcc_cmd.extend([
  20       '-E',                  # stop after preprocessing.
  21       '-D', 'ANDROID',       # Specify ANDROID define for pre-processor.
  22       '-x', 'c-header',      # treat sources as C header files
  23       '-P',                  # disable line markers, i.e. '#line 309'
  24       '-I', options.include_path,
  25       '-o', options.output,
  26       options.template
  27       ])
  28
  29   build_utils.CheckOutput(gcc_cmd)
  30
  31
  32 def main(args):
  33   args = build_utils.ExpandFileArgs(args)
  34
  35   parser = optparse.OptionParser()
  36   build_utils.AddDepfileOption(parser)
  37
  38   parser.add_option('--include-path', help='Include path for gcc.')
  39   parser.add_option('--template', help='Path to template.')
  40   parser.add_option('--output', help='Path for generated file.')
  41   parser.add_option('--stamp', help='Path to touch on success.')
  42   parser.add_option('--defines', help='Pre-defines macros', action='append')
  43
  44   options, _ = parser.parse_args(args)
  45
  46   DoGcc(options)
  47
  48   if options.depfile:
  49     build_utils.WriteDepfile(
  50         options.depfile,
  51         build_utils.GetPythonDependencies())
  52
  53   if options.stamp:
  54     build_utils.Touch(options.stamp)
  55
  56
  57 if __name__ == '__main__':
  58   sys.exit(main(sys.argv[1:]))