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| 1 #!/usr/bin/env python | |
| 2 # Copyright 2015 the V8 project authors. All rights reserved. | |
| 3 # Copyright 2015 The Chromium Authors. All rights reserved. | |
| 4 # Use of this source code is governed by a BSD-style license that can be | |
| 5 # found in the LICENSE file. | |
| 6 | |
| 7 """Script to download LLVM gold plugin from google storage.""" | |
| 8 | |
| 9 import json | |
| 10 import os | |
| 11 import re | |
| 12 import platform | |
| 13 import shutil | |
| 14 import subprocess | |
| 15 import sys | |
| 16 import zipfile | |
| 17 | |
| 18 # Bail out on windows and cygwin. | |
| 19 if "win" in platform.system().lower(): | |
| 20 # Python 2.7.6 hangs at the second path.insert command on windows. Works | |
| 21 # with python 2.7.8. | |
| 22 print "Gold plugin download not supported on windows." | |
| 23 sys.exit(0) | |
| 24 | |
| 25 SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__)) | |
| 26 CHROME_SRC = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir)) | |
| 27 sys.path.insert(0, os.path.join(CHROME_SRC, 'tools')) | |
| 28 | |
| 29 import find_depot_tools | |
| 30 | |
| 31 DEPOT_PATH = find_depot_tools.add_depot_tools_to_path() | |
| 32 GSUTIL_PATH = os.path.join(DEPOT_PATH, 'gsutil.py') | |
| 33 | |
| 34 LLVM_BUILD_PATH = os.path.join(CHROME_SRC, 'third_party', 'llvm-build', | |
| 35 'Release+Asserts') | |
| 36 CLANG_UPDATE_PY = os.path.join(CHROME_SRC, 'tools', 'clang', 'scripts', | |
| 37 'update.py') | |
| 38 CLANG_REVISION = os.popen(CLANG_UPDATE_PY + ' --print-revision').read().rstrip() | |
| 39 | |
| 40 CLANG_BUCKET = 'gs://chromium-browser-clang/Linux_x64' | |
| 41 | |
| 42 GOLD_PLUGIN_PATH = os.path.join(LLVM_BUILD_PATH, 'lib', 'LLVMgold.so') | |
| 43 | |
| 44 sys.path.insert(0, os.path.join(CHROME_SRC, 'tools', 'clang', 'scripts')) | |
| 45 | |
| 46 import update | |
| 47 | |
| 48 def main(): | |
| 49 if not re.search(r'cfi_vptr=1', os.environ.get('GYP_DEFINES', '')): | |
| 50 # Bailout if this is not a cfi build. | |
| 51 print 'Skipping gold plugin download for non-cfi build.' | |
| 52 return 0 | |
| 53 if (os.path.exists(GOLD_PLUGIN_PATH) and | |
| 54 update.ReadStampFile().strip() == update.PACKAGE_VERSION): | |
| 55 # Bailout if clang is up-to-date. This requires the script to be run before | |
| 56 # the clang update step! I.e. afterwards clang would always be up-to-date. | |
| 57 print 'Skipping gold plugin download. File present and clang up to date.' | |
| 58 return 0 | |
| 59 | |
| 60 # Make sure this works on empty checkouts (i.e. clang not downloaded yet). | |
| 61 if not os.path.exists(LLVM_BUILD_PATH): | |
| 62 os.makedirs(LLVM_BUILD_PATH) | |
| 63 | |
| 64 targz_name = 'llvmgold-%s.tgz' % CLANG_REVISION | |
| 65 remote_path = '%s/%s' % (CLANG_BUCKET, targz_name) | |
| 66 | |
| 67 os.chdir(LLVM_BUILD_PATH) | |
| 68 | |
| 69 # TODO(pcc): Fix gsutil.py cp url file < /dev/null 2>&0 | |
| 70 # (currently aborts with exit code 1, | |
| 71 # https://github.com/GoogleCloudPlatform/gsutil/issues/289) or change the | |
| 72 # stdin->stderr redirect in update.py to do something else (crbug.com/494442). | |
| 73 subprocess.check_call(['python', GSUTIL_PATH, | |
| 74 'cp', remote_path, targz_name], | |
| 75 stderr=open('/dev/null', 'w')) | |
| 76 subprocess.check_call(['tar', 'xzf', targz_name]) | |
| 77 os.remove(targz_name) | |
| 78 return 0 | |
| 79 | |
| 80 if __name__ == '__main__': | |
| 81 sys.exit(main()) | |
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Chromium Code Reviews
Issue 1848553003:
[gn] Move build to gypfiles (Closed)
Base URL: https://chromium.googlesource.com/v8/v8.git@master