download_nacl_toolchains.py (2018B)
1 #!/usr/bin/env python3 2 # Copyright 2012 The Chromium Authors 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 """Shim to run nacl toolchain download script only if there is a nacl dir.""" 7 8 9 import os 10 import shutil 11 import sys 12 13 14 def Main(args): 15 script_dir = os.path.dirname(os.path.abspath(__file__)) 16 src_dir = os.path.dirname(script_dir) 17 nacl_dir = os.path.join(src_dir, 'native_client') 18 nacl_build_dir = os.path.join(nacl_dir, 'build') 19 package_version_dir = os.path.join(nacl_build_dir, 'package_version') 20 package_version = os.path.join(package_version_dir, 'package_version.py') 21 if not os.path.exists(package_version): 22 print("Can't find '%s'" % package_version) 23 print('Presumably you are intentionally building without NativeClient.') 24 print('Skipping NativeClient toolchain download.') 25 sys.exit(0) 26 sys.path.insert(0, package_version_dir) 27 import package_version 28 29 # BUG: 30 # We remove this --optional-pnacl argument, and instead replace it with 31 # --no-pnacl for most cases. However, if the bot name is an sdk 32 # bot then we will go ahead and download it. This prevents increasing the 33 # gclient sync time for developers, or standard Chrome bots. 34 if '--optional-pnacl' in args: 35 args.remove('--optional-pnacl') 36 use_pnacl = False 37 buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '') 38 if 'pnacl' in buildbot_name and 'sdk' in buildbot_name: 39 use_pnacl = True 40 if use_pnacl: 41 print('\n*** DOWNLOADING PNACL TOOLCHAIN ***\n') 42 else: 43 args = ['--exclude', 'pnacl_newlib'] + args 44 45 # Only download the ARM gcc toolchain if we are building for ARM 46 # TODO(olonho): we need to invent more reliable way to get build 47 # configuration info, to know if we're building for ARM. 48 if 'target_arch=arm' not in os.environ.get('GYP_DEFINES', ''): 49 args = ['--exclude', 'nacl_arm_newlib'] + args 50 51 return package_version.main(args) 52 53 54 if __name__ == '__main__': 55 sys.exit(Main(sys.argv[1:]))