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#!/usr/bin/env python
# Copyright (c) 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.
"""
Tries to compile given code, produces different output depending on success.
This is similar to checks done by ./configure scripts.
"""
import optparse
import os
import shutil
import subprocess
import sys
import tempfile
def DoMain(argv):
parser = optparse.OptionParser()
parser.add_option('--code')
parser.add_option('--run-linker', action='store_true')
parser.add_option('--on-success', default='')
parser.add_option('--on-failure', default='')
options, args = parser.parse_args(argv)
if not options.code:
parser.error('Missing required --code switch.')
# The environment variable might expand to a string with spaces,
# e.g. "ccache g++". Convert it to a list suitable for argv.
cxx = os.environ.get('CXX', 'g++').split()
tmpdir = tempfile.mkdtemp()
try:
cxx_path = os.path.join(tmpdir, 'test.cc')
with open(cxx_path, 'w') as f:
f.write(options.code.decode('string-escape'))
o_path = os.path.join(tmpdir, 'test.o')
cxx_cmdline = cxx + [cxx_path, '-o', o_path]
if not options.run_linker:
cxx_cmdline.append('-c')
# Pass remaining arguments to the compiler.
cxx_cmdline += args
cxx_popen = subprocess.Popen(cxx_cmdline,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
cxx_stdout, cxx_stderr = cxx_popen.communicate()
if cxx_popen.returncode == 0:
print options.on_success
else:
print options.on_failure
finally:
shutil.rmtree(tmpdir)
return 0
if __name__ == '__main__':
sys.exit(DoMain(sys.argv[1:]))
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