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# Copyright 2014 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 argparse
import os
import sys
from distutils import sysconfig
from distutils.command import build_ext
from distutils.dist import Distribution
from distutils.extension import Extension
def main():
"""Command line utility to retrieve compilation options for python modules'
"""
parser = argparse.ArgumentParser(
description='Retrieves compilation options for python modules.')
parser.add_argument('--gn',
help='Returns all values in a format suitable for gn',
action='store_true')
parser.add_argument('--libraries', help='Returns libraries',
action='store_true')
parser.add_argument('--includes', help='Returns includes',
action='store_true')
parser.add_argument('--library_dirs', help='Returns library_dirs',
action='store_true')
opts = parser.parse_args()
ext = Extension('Dummy', [])
b = build_ext.build_ext(Distribution())
b.initialize_options()
b.finalize_options()
result = []
if opts.libraries:
libraries = b.get_libraries(ext)
if sys.platform == 'darwin':
libraries.append('python%s' % sys.version[:3])
if not opts.gn and sys.platform in ['darwin', 'linux2']:
# In case of GYP output for darwin and linux prefix all
# libraries (if there are any) so the result can be used as a
# compiler argument. GN handles platform-appropriate prefixing itself.
libraries = ['-l%s' % library for library in libraries]
result.extend(libraries)
if opts.includes:
result = result + b.include_dirs
if opts.library_dirs:
if sys.platform == 'darwin':
result.append('%s/lib' % sysconfig.get_config_vars('prefix')[0])
if opts.gn:
for x in result:
print x
else:
print ''.join(['"%s"' % x for x in result])
if __name__ == '__main__':
main()
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