• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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
8import os
9import shutil
10import sys
11
12
13def 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
60if __name__ == '__main__':
61  sys.exit(Main(sys.argv[1:]))
62