1 #!/usr/bin/env python 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 import os 9 import shutil 10 import sys 11 12 13 def Main(args): 14 # Exit early if disable_nacl=1. 15 if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''): 16 return 0 17 if 'OS=android' in os.environ.get('GYP_DEFINES', ''): 18 return 0 19 script_dir = os.path.dirname(os.path.abspath(__file__)) 20 src_dir = os.path.dirname(script_dir) 21 nacl_dir = os.path.join(src_dir, 'native_client') 22 nacl_build_dir = os.path.join(nacl_dir, 'build') 23 package_version_dir = os.path.join(nacl_build_dir, 'package_version') 24 package_version = os.path.join(package_version_dir, 'package_version.py') 25 if not os.path.exists(package_version): 26 print "Can't find '%s'" % package_version 27 print 'Presumably you are intentionally building without NativeClient.' 28 print 'Skipping NativeClient toolchain download.' 29 sys.exit(0) 30 sys.path.insert(0, package_version_dir) 31 import package_version 32 33 # BUG: 34 # We remove this --optional-pnacl argument, and instead replace it with 35 # --no-pnacl for most cases. However, if the bot name is an sdk 36 # bot then we will go ahead and download it. This prevents increasing the 37 # gclient sync time for developers, or standard Chrome bots. 38 if '--optional-pnacl' in args: 39 args.remove('--optional-pnacl') 40 use_pnacl = False 41 buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '') 42 if 'pnacl' in buildbot_name and 'sdk' in buildbot_name: 43 use_pnacl = True 44 if use_pnacl: 45 print '\n*** DOWNLOADING PNACL TOOLCHAIN ***\n' 46 else: 47 args = ['--exclude', 'pnacl_newlib'] + args 48 49 # Only download the ARM gcc toolchain if we are building for ARM 50 # TODO(olonho): we need to invent more reliable way to get build 51 # configuration info, to know if we're building for ARM. 52 if 'target_arch=arm' not in os.environ.get('GYP_DEFINES', ''): 53 args = ['--exclude', 'nacl_arm_newlib'] + args 54 55 package_version.main(args) 56 57 return 0 58 59 60 if __name__ == '__main__': 61 sys.exit(Main(sys.argv[1:])) 62