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
7import optparse
8import os
9import subprocess
10import sys
11
12from util import build_utils
13
14def DoGcc(options):
15  build_utils.MakeDirectory(os.path.dirname(options.output))
16
17  gcc_cmd = [
18      'gcc',                 # invoke host gcc.
19      '-E',                  # stop after preprocessing.
20      '-D', 'ANDROID',       # Specify ANDROID define for pre-processor.
21      '-x', 'c-header',      # treat sources as C header files
22      '-P',                  # disable line markers, i.e. '#line 309'
23      '-I', options.include_path,
24      '-o', options.output,
25      options.template
26      ]
27
28  build_utils.CheckCallDie(gcc_cmd)
29
30
31def main(argv):
32  parser = optparse.OptionParser()
33  parser.add_option('--include-path', help='Include path for gcc.')
34  parser.add_option('--template', help='Path to template.')
35  parser.add_option('--output', help='Path for generated file.')
36  parser.add_option('--stamp', help='Path to touch on success.')
37
38  # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.
39  parser.add_option('--ignore', help='Ignored.')
40
41  options, _ = parser.parse_args()
42
43  DoGcc(options)
44
45  if options.stamp:
46    build_utils.Touch(options.stamp)
47
48
49if __name__ == '__main__':
50  sys.exit(main(sys.argv))
51