1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/webrtc/trunk/build/download_nacl_toolchains.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,64 @@
1.4 +#!/usr/bin/env python
1.5 +# Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.6 +# Use of this source code is governed by a BSD-style license that can be
1.7 +# found in the LICENSE file.
1.8 +
1.9 +"""Shim to run nacl toolchain download script only if there is a nacl dir."""
1.10 +
1.11 +import os
1.12 +import sys
1.13 +
1.14 +
1.15 +def Main(args):
1.16 + # Exit early if disable_nacl=1.
1.17 + if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''):
1.18 + return 0
1.19 + script_dir = os.path.dirname(os.path.abspath(__file__))
1.20 + src_dir = os.path.dirname(script_dir)
1.21 + nacl_dir = os.path.join(src_dir, 'native_client')
1.22 + nacl_build_dir = os.path.join(nacl_dir, 'build')
1.23 + download_script = os.path.join(nacl_build_dir, 'download_toolchains.py')
1.24 + if not os.path.exists(download_script):
1.25 + print "Can't find '%s'" % download_script
1.26 + print 'Presumably you are intentionally building without NativeClient.'
1.27 + print 'Skipping NativeClient toolchain download.'
1.28 + sys.exit(0)
1.29 + sys.path.insert(0, nacl_build_dir)
1.30 + import download_toolchains
1.31 +
1.32 + # TODO (robertm): Finish getting PNaCl ready for prime time.
1.33 + # BUG:
1.34 + # We remove this --optional-pnacl argument, and instead replace it with
1.35 + # --no-pnacl for most cases. However, if the bot name is the pnacl_sdk
1.36 + # bot then we will go ahead and download it. This prevents increasing the
1.37 + # gclient sync time for developers, or standard Chrome bots.
1.38 + if '--optional-pnacl' in args:
1.39 + args.remove('--optional-pnacl')
1.40 + # By default we don't use PNaCl toolchain yet, unless on ARM, where
1.41 + # there is no other toolchain to build untrusted code at the moment.
1.42 + # So analyze if we're building for ARM, or on SDK buildbot.
1.43 + # TODO(olonho): we need to invent more reliable way to get build
1.44 + # configuration info, to know if we're building for ARM.
1.45 + use_pnacl = False
1.46 + if 'target_arch=arm' in os.environ.get('GYP_DEFINES', ''):
1.47 + use_pnacl = True
1.48 + buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '')
1.49 + if buildbot_name.find('pnacl') >= 0 and buildbot_name.find('sdk') >= 0:
1.50 + use_pnacl = True
1.51 + if use_pnacl:
1.52 + print '\n*** DOWNLOADING PNACL TOOLCHAIN ***\n'
1.53 + else:
1.54 + args.append('--no-pnacl')
1.55 +
1.56 + # Append the name of the file to use as a version and hash source.
1.57 + # NOTE: While not recommended, it is possible to redirect this file to
1.58 + # a chrome location to avoid branching NaCl if just a toolchain needs
1.59 + # to be bumped.
1.60 + args.append(os.path.join(nacl_dir,'TOOL_REVISIONS'))
1.61 +
1.62 + download_toolchains.main(args)
1.63 + return 0
1.64 +
1.65 +
1.66 +if __name__ == '__main__':
1.67 + sys.exit(Main(sys.argv[1:]))
