chromium-src-build/download_nacl_toolchains.py

71 строка
2.7 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (c) 2012 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.
"""Shim to run nacl toolchain download script only if there is a nacl dir."""
import os
import shutil
import sys
def Main(args):
# Exit early if disable_nacl=1.
if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''):
return 0
script_dir = os.path.dirname(os.path.abspath(__file__))
src_dir = os.path.dirname(script_dir)
nacl_dir = os.path.join(src_dir, 'native_client')
nacl_build_dir = os.path.join(nacl_dir, 'build')
package_version_dir = os.path.join(nacl_build_dir, 'package_version')
package_version = os.path.join(package_version_dir, 'package_version.py')
if not os.path.exists(package_version):
print "Can't find '%s'" % package_version
print 'Presumably you are intentionally building without NativeClient.'
print 'Skipping NativeClient toolchain download.'
sys.exit(0)
sys.path.insert(0, package_version_dir)
import package_version
# BUG:
# We remove this --optional-pnacl argument, and instead replace it with
# --no-pnacl for most cases. However, if the bot name is an sdk
# bot then we will go ahead and download it. This prevents increasing the
# gclient sync time for developers, or standard Chrome bots.
if '--optional-pnacl' in args:
args.remove('--optional-pnacl')
use_pnacl = False
buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '')
if 'pnacl' in buildbot_name and 'sdk' in buildbot_name:
use_pnacl = True
if use_pnacl:
print '\n*** DOWNLOADING PNACL TOOLCHAIN ***\n'
else:
args.extend(['--exclude', 'pnacl_newlib'])
# Only download the ARM gcc toolchain if we are building for ARM
# TODO(olonho): we need to invent more reliable way to get build
# configuration info, to know if we're building for ARM.
if 'target_arch=arm' not in os.environ.get('GYP_DEFINES', ''):
args.extend(['--exclude', 'nacl_arm_newlib'])
args.append('sync')
package_version.main(args)
# Because we are no longer extracting the toolchain, it is best to delete
# the old extracted ones so that no stale toolchains are left behind. This
# also would catch any stale code that happens to work because it is using
# an old extracted toolchain that was left behind.
toolchain_dir = os.path.join(nacl_dir, 'toolchain')
for toolchain_item in os.listdir(toolchain_dir):
toolchain_path = os.path.join(toolchain_dir, toolchain_item)
if os.path.isdir(toolchain_path) and not toolchain_item.startswith('.'):
shutil.rmtree(toolchain_path)
return 0
if __name__ == '__main__':
sys.exit(Main(sys.argv[1:]))