mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.8 KiB
81 lines
2.8 KiB
#!/usr/bin/env python
|
|
# Copyright 2015 the V8 project authors. All rights reserved.
|
|
# Copyright 2015 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.
|
|
|
|
"""Script to download LLVM gold plugin from google storage."""
|
|
|
|
import json
|
|
import os
|
|
import re
|
|
import platform
|
|
import shutil
|
|
import subprocess
|
|
import sys
|
|
import zipfile
|
|
|
|
# Bail out on windows and cygwin.
|
|
if "win" in platform.system().lower():
|
|
# Python 2.7.6 hangs at the second path.insert command on windows. Works
|
|
# with python 2.7.8.
|
|
print "Gold plugin download not supported on windows."
|
|
sys.exit(0)
|
|
|
|
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
|
|
CHROME_SRC = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir))
|
|
sys.path.insert(0, os.path.join(CHROME_SRC, 'tools'))
|
|
|
|
import find_depot_tools
|
|
|
|
DEPOT_PATH = find_depot_tools.add_depot_tools_to_path()
|
|
GSUTIL_PATH = os.path.join(DEPOT_PATH, 'gsutil.py')
|
|
|
|
LLVM_BUILD_PATH = os.path.join(CHROME_SRC, 'third_party', 'llvm-build',
|
|
'Release+Asserts')
|
|
CLANG_UPDATE_PY = os.path.join(CHROME_SRC, 'tools', 'clang', 'scripts',
|
|
'update.py')
|
|
CLANG_REVISION = os.popen(CLANG_UPDATE_PY + ' --print-revision').read().rstrip()
|
|
|
|
CLANG_BUCKET = 'gs://chromium-browser-clang/Linux_x64'
|
|
|
|
GOLD_PLUGIN_PATH = os.path.join(LLVM_BUILD_PATH, 'lib', 'LLVMgold.so')
|
|
|
|
sys.path.insert(0, os.path.join(CHROME_SRC, 'tools', 'clang', 'scripts'))
|
|
|
|
import update
|
|
|
|
def main():
|
|
if not re.search(r'cfi_vptr=1', os.environ.get('GYP_DEFINES', '')):
|
|
# Bailout if this is not a cfi build.
|
|
print 'Skipping gold plugin download for non-cfi build.'
|
|
return 0
|
|
if (os.path.exists(GOLD_PLUGIN_PATH) and
|
|
update.ReadStampFile().strip() == update.PACKAGE_VERSION):
|
|
# Bailout if clang is up-to-date. This requires the script to be run before
|
|
# the clang update step! I.e. afterwards clang would always be up-to-date.
|
|
print 'Skipping gold plugin download. File present and clang up to date.'
|
|
return 0
|
|
|
|
# Make sure this works on empty checkouts (i.e. clang not downloaded yet).
|
|
if not os.path.exists(LLVM_BUILD_PATH):
|
|
os.makedirs(LLVM_BUILD_PATH)
|
|
|
|
targz_name = 'llvmgold-%s.tgz' % CLANG_REVISION
|
|
remote_path = '%s/%s' % (CLANG_BUCKET, targz_name)
|
|
|
|
os.chdir(LLVM_BUILD_PATH)
|
|
|
|
# TODO(pcc): Fix gsutil.py cp url file < /dev/null 2>&0
|
|
# (currently aborts with exit code 1,
|
|
# https://github.com/GoogleCloudPlatform/gsutil/issues/289) or change the
|
|
# stdin->stderr redirect in update.py to do something else (crbug.com/494442).
|
|
subprocess.check_call(['python', GSUTIL_PATH,
|
|
'cp', remote_path, targz_name],
|
|
stderr=open('/dev/null', 'w'))
|
|
subprocess.check_call(['tar', 'xzf', targz_name])
|
|
os.remove(targz_name)
|
|
return 0
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|
|
|