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.
6 """Shim to run nacl toolchain download script only if there is a nacl dir."""
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.')
26 sys.path.insert(0, package_version_dir)
27 import package_version
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')
37 buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '')
38 if 'pnacl' in buildbot_name and 'sdk' in buildbot_name:
41 print('\n*** DOWNLOADING PNACL TOOLCHAIN ***\n')
43 args = ['--exclude', 'pnacl_newlib'] + args
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
51 return package_version.main(args)
54 if __name__ == '__main__':
55 sys.exit(Main(sys.argv[1:]))