naiveproxy/tools/gn/bootstrap/bootstrap.py

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2018-12-10 05:59:24 +03:00
#!/usr/bin/env python
# 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.
# This file isn't officially supported by the Chromium project. It's maintained
# on a best-effort basis by volunteers, so some things may be broken from time
# to time. If you encounter errors, it's most often due to files in base that
# have been added or moved since somebody last tried this script. Generally
# such errors are easy to diagnose.
"""Builds gn and generates Chromium's build files.
This script should only be run from a Chromium tarball. It will not work in a
regular git checkout. In a regular git checkout, a gn binary is pulled via
DEPS. To build gn from source in a regular checkout, see
https://gn.googlesource.com/gn/
"""
# This script may be removed if/when gn becomes available in the standard
# repositories for several mainstream Linux distributions.
import optparse
import os
import shutil
import subprocess
import sys
BOOTSTRAP_DIR = os.path.dirname(os.path.abspath(__file__))
GN_ROOT = os.path.dirname(BOOTSTRAP_DIR)
SRC_ROOT = os.path.dirname(os.path.dirname(GN_ROOT))
def main(argv):
parser = optparse.OptionParser(description=sys.modules[__name__].__doc__)
parser.add_option(
'-d',
'--debug',
action='store_true',
help='Do a debug build. Defaults to release build.')
parser.add_option(
'-o', '--output', help='place output in PATH', metavar='PATH')
parser.add_option('-s', '--no-rebuild', help='ignored')
parser.add_option('--no-clean', help='ignored')
parser.add_option('--gn-gen-args', help='Args to pass to gn gen --args')
parser.add_option(
'--build-path',
help='The directory in which to build gn, '
'relative to the src directory. (eg. out/Release)')
parser.add_option(
'--with-sysroot',
action='store_true',
help='Download and build with the Debian sysroot.')
parser.add_option('-v', '--verbose', help='ignored')
options, args = parser.parse_args(argv)
if args:
parser.error('Unrecognized command line arguments: %s.' % ', '.join(args))
if options.build_path:
build_rel = options.build_path
elif options.debug:
build_rel = os.path.join('out', 'Debug')
else:
build_rel = os.path.join('out', 'Release')
out_dir = os.path.join(SRC_ROOT, build_rel)
gn_path = options.output or os.path.join(out_dir, 'gn')
gn_build_dir = os.path.join(out_dir, 'gn_build')
cmd = [
sys.executable,
os.path.join(GN_ROOT, 'build', 'gen.py'),
'--no-last-commit-position',
'--out-path=' + gn_build_dir,
]
if not options.with_sysroot:
cmd.append('--no-sysroot')
if options.debug:
cmd.append('--debug')
subprocess.check_call(cmd)
shutil.copy2(
os.path.join(BOOTSTRAP_DIR, 'last_commit_position.h'), gn_build_dir)
subprocess.check_call(
['ninja', '-C', gn_build_dir, 'gn', '-w', 'dupbuild=err'])
shutil.copy2(os.path.join(gn_build_dir, 'gn'), gn_path)
gn_gen_args = options.gn_gen_args or ''
if not options.debug:
gn_gen_args += ' is_debug=false'
subprocess.check_call([
gn_path, 'gen', out_dir,
'--args=%s' % gn_gen_args, "--root=" + SRC_ROOT
])
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))