| #!/usr/bin/env python |
| # Copyright 2017 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 lld/mac from google storage.""" |
| |
| import os |
| import re |
| import subprocess |
| import sys |
| |
| import update |
| |
| LLVM_BUILD_DIR = update.LLVM_BUILD_DIR |
| LLD_LINK_PATH = os.path.join(LLVM_BUILD_DIR, 'bin', 'lld-link') |
| |
| |
| def AlreadyUpToDate(): |
| if not os.path.exists(LLD_LINK_PATH): |
| return False |
| lld_rev = subprocess.check_output([LLD_LINK_PATH, '--version']) |
| # Version output example: |
| # LLD 9.0.0 (https://github.com/llvm/llvm-project/ 342571e8d6eb1afb151ae1103431798e3d24054f) |
| return (re.match(r'LLD.*\(.*git.*llvm.* ([0-9a-f]+)\)', lld_rev).group(1) == |
| update.CLANG_REVISION) |
| |
| |
| def main(): |
| if AlreadyUpToDate(): |
| return 0 |
| remote_path = '%s/Mac/lld-%s.tgz' % (update.CDS_URL, update.PACKAGE_VERSION) |
| update.DownloadAndUnpack(remote_path, update.LLVM_BUILD_DIR) |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
