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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 sys
10
11from util import build_utils
12
13def 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
32def 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
57if __name__ == '__main__':
58  sys.exit(main(sys.argv[1:]))
59