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#!/usr/bin/env python
#
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import optparse
import os
import sys
from util import build_utils
def DoGcc(options):
build_utils.MakeDirectory(os.path.dirname(options.output))
gcc_cmd = [ 'gcc' ] # invoke host gcc.
if options.defines:
gcc_cmd.extend(sum(map(lambda w: ['-D', w], options.defines), []))
with build_utils.AtomicOutput(options.output) as f:
gcc_cmd.extend([
'-E', # stop after preprocessing.
'-D', 'ANDROID', # Specify ANDROID define for pre-processor.
'-x', 'c-header', # treat sources as C header files
'-P', # disable line markers, i.e. '#line 309'
'-I', options.include_path,
'-o', f.name,
options.template
])
build_utils.CheckOutput(gcc_cmd)
def main(args):
args = build_utils.ExpandFileArgs(args)
parser = optparse.OptionParser()
build_utils.AddDepfileOption(parser)
parser.add_option('--include-path', help='Include path for gcc.')
parser.add_option('--template', help='Path to template.')
parser.add_option('--output', help='Path for generated file.')
parser.add_option('--defines', help='Pre-defines macros', action='append')
options, _ = parser.parse_args(args)
DoGcc(options)
if options.depfile:
build_utils.WriteDepfile(options.depfile, options.output)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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