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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 = [ 'gcc' ]  # invoke host gcc.
18  if options.defines:
19    gcc_cmd.extend(sum(map(lambda w: ['-D', w], options.defines), []))
20  gcc_cmd.extend([
21      '-E',                  # stop after preprocessing.
22      '-D', 'ANDROID',       # Specify ANDROID define for pre-processor.
23      '-x', 'c-header',      # treat sources as C header files
24      '-P',                  # disable line markers, i.e. '#line 309'
25      '-I', options.include_path,
26      '-o', options.output,
27      options.template
28      ])
29
30  build_utils.CheckOutput(gcc_cmd)
31
32
33def main(argv):
34  parser = optparse.OptionParser()
35  parser.add_option('--include-path', help='Include path for gcc.')
36  parser.add_option('--template', help='Path to template.')
37  parser.add_option('--output', help='Path for generated file.')
38  parser.add_option('--stamp', help='Path to touch on success.')
39  parser.add_option('--defines', help='Pre-defines macros', action='append')
40
41  # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.
42  parser.add_option('--ignore', help='Ignored.')
43
44  options, _ = parser.parse_args()
45
46  DoGcc(options)
47
48  if options.stamp:
49    build_utils.Touch(options.stamp)
50
51
52if __name__ == '__main__':
53  sys.exit(main(sys.argv))
54