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.
6 """Shim to run nacl toolchain download script only if there is a nacl dir."""
14 script_dir = os.path.dirname(os.path.abspath(__file__))
15 src_dir = os.path.dirname(script_dir)
16 nacl_dir = os.path.join(src_dir, 'native_client')
17 nacl_build_dir = os.path.join(nacl_dir, 'build')
18 package_version_dir = os.path.join(nacl_build_dir, 'package_version')
19 package_version = os.path.join(package_version_dir, 'package_version.py')
20 if not os.path.exists(package_version):
21 print "Can't find '%s'" % package_version
22 print 'Presumably you are intentionally building without NativeClient.'
23 print 'Skipping NativeClient toolchain download.'
25 sys.path.insert(0, package_version_dir)
26 import package_version
29 # We remove this --optional-pnacl argument, and instead replace it with
30 # --no-pnacl for most cases. However, if the bot name is an sdk
31 # bot then we will go ahead and download it. This prevents increasing the
32 # gclient sync time for developers, or standard Chrome bots.
33 if '--optional-pnacl' in args:
34 args.remove('--optional-pnacl')
36 buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '')
37 if 'pnacl' in buildbot_name and 'sdk' in buildbot_name:
40 print '\n*** DOWNLOADING PNACL TOOLCHAIN ***\n'
42 args = ['--exclude', 'pnacl_newlib'] + args
44 # Only download the ARM gcc toolchain if we are building for ARM
45 # TODO(olonho): we need to invent more reliable way to get build
46 # configuration info, to know if we're building for ARM.
47 if 'target_arch=arm' not in os.environ.get('GYP_DEFINES', ''):
48 args = ['--exclude', 'nacl_arm_newlib'] + args
50 return package_version.main(args)
53 if __name__ == '__main__':
54 sys.exit(Main(sys.argv[1:]))