The Tor Browser / file comparison
comparison: media/webrtc/trunk/build/download_nacl_toolchains.py
media/webrtc/trunk/build/download_nacl_toolchains.py
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| 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 | |
| 8 import os | |
| 9 import sys | |
| 10 | |
| 11 | |
| 12 def Main(args): | |
| 13 # Exit early if disable_nacl=1. | |
| 14 if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''): | |
| 15 return 0 | |
| 16 script_dir = os.path.dirname(os.path.abspath(__file__)) | |
| 17 src_dir = os.path.dirname(script_dir) | |
| 18 nacl_dir = os.path.join(src_dir, 'native_client') | |
| 19 nacl_build_dir = os.path.join(nacl_dir, 'build') | |
| 20 download_script = os.path.join(nacl_build_dir, 'download_toolchains.py') | |
| 21 if not os.path.exists(download_script): | |
| 22 print "Can't find '%s'" % download_script | |
| 23 print 'Presumably you are intentionally building without NativeClient.' | |
| 24 print 'Skipping NativeClient toolchain download.' | |
| 25 sys.exit(0) | |
| 26 sys.path.insert(0, nacl_build_dir) | |
| 27 import download_toolchains | |
| 28 | |
| 29 # TODO (robertm): Finish getting PNaCl ready for prime time. | |
| 30 # BUG: | |
| 31 # We remove this --optional-pnacl argument, and instead replace it with | |
| 32 # --no-pnacl for most cases. However, if the bot name is the pnacl_sdk | |
| 33 # bot then we will go ahead and download it. This prevents increasing the | |
| 34 # gclient sync time for developers, or standard Chrome bots. | |
| 35 if '--optional-pnacl' in args: | |
| 36 args.remove('--optional-pnacl') | |
| 37 # By default we don't use PNaCl toolchain yet, unless on ARM, where | |
| 38 # there is no other toolchain to build untrusted code at the moment. | |
| 39 # So analyze if we're building for ARM, or on SDK buildbot. | |
| 40 # TODO(olonho): we need to invent more reliable way to get build | |
| 41 # configuration info, to know if we're building for ARM. | |
| 42 use_pnacl = False | |
| 43 if 'target_arch=arm' in os.environ.get('GYP_DEFINES', ''): | |
| 44 use_pnacl = True | |
| 45 buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '') | |
| 46 if buildbot_name.find('pnacl') >= 0 and buildbot_name.find('sdk') >= 0: | |
| 47 use_pnacl = True | |
| 48 if use_pnacl: | |
| 49 print '\n*** DOWNLOADING PNACL TOOLCHAIN ***\n' | |
| 50 else: | |
| 51 args.append('--no-pnacl') | |
| 52 | |
| 53 # Append the name of the file to use as a version and hash source. | |
| 54 # NOTE: While not recommended, it is possible to redirect this file to | |
| 55 # a chrome location to avoid branching NaCl if just a toolchain needs | |
| 56 # to be bumped. | |
| 57 args.append(os.path.join(nacl_dir,'TOOL_REVISIONS')) | |
| 58 | |
| 59 download_toolchains.main(args) | |
| 60 return 0 | |
| 61 | |
| 62 | |
| 63 if __name__ == '__main__': | |
| 64 sys.exit(Main(sys.argv[1:])) |
