| #!/usr/bin/env python |
| # Copyright (c) 2012 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. |
| |
| """Shim to run nacl toolchain download script only if there is a nacl dir.""" |
| |
| import os |
| import sys |
| |
| |
| def Main(args): |
| # Exit early if disable_nacl=1. |
| if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''): |
| return 0 |
| script_dir = os.path.dirname(os.path.abspath(__file__)) |
| src_dir = os.path.dirname(script_dir) |
| nacl_dir = os.path.join(src_dir, 'native_client') |
| nacl_build_dir = os.path.join(nacl_dir, 'build') |
| download_script = os.path.join(nacl_build_dir, 'download_toolchains.py') |
| if not os.path.exists(download_script): |
| print "Can't find '%s'" % download_script |
| print 'Presumably you are intentionally building without NativeClient.' |
| print 'Skipping NativeClient toolchain download.' |
| sys.exit(0) |
| sys.path.insert(0, nacl_build_dir) |
| import download_toolchains |
| |
| # TODO (robertm): Finish getting PNaCl ready for prime time. |
| # BUG: |
| # We remove this --optional-pnacl argument, and instead replace it with |
| # --no-pnacl for most cases. However, if the bot name is the pnacl_sdk |
| # bot then we will go ahead and download it. This prevents increasing the |
| # gclient sync time for developers, or standard Chrome bots. |
| if '--optional-pnacl' in args: |
| args.remove('--optional-pnacl') |
| # By default we don't use PNaCl toolchain yet, unless on ARM, where |
| # there is no other toolchain to build untrusted code at the moment. |
| # So analyze if we're building for ARM, or on SDK buildbot. |
| # TODO(olonho): we need to invent more reliable way to get build |
| # configuration info, to know if we're building for ARM. |
| use_pnacl = False |
| if 'target_arch=arm' in os.environ.get('GYP_DEFINES', ''): |
| use_pnacl = True |
| buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '') |
| if buildbot_name.find('pnacl') >= 0 and buildbot_name.find('sdk') >= 0: |
| use_pnacl = True |
| if use_pnacl: |
| print '\n*** DOWNLOADING PNACL TOOLCHAIN ***\n' |
| else: |
| args.append('--no-pnacl') |
| |
| download_toolchains.Main(args) |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(Main(sys.argv[1:])) |