65 строки
2.5 KiB
Python
Executable File
65 строки
2.5 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Shim to run nacl toolchain download script only if there is a nacl dir."""
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import os
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import sys
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def Main(args):
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# Exit early if disable_nacl=1.
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if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''):
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return 0
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script_dir = os.path.dirname(os.path.abspath(__file__))
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src_dir = os.path.dirname(script_dir)
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nacl_dir = os.path.join(src_dir, 'native_client')
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nacl_build_dir = os.path.join(nacl_dir, 'build')
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download_script = os.path.join(nacl_build_dir, 'download_toolchains.py')
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if not os.path.exists(download_script):
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print "Can't find '%s'" % download_script
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print 'Presumably you are intentionally building without NativeClient.'
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print 'Skipping NativeClient toolchain download.'
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sys.exit(0)
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sys.path.insert(0, nacl_build_dir)
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import download_toolchains
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# TODO (robertm): Finish getting PNaCl ready for prime time.
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# BUG:
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# We remove this --optional-pnacl argument, and instead replace it with
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# --no-pnacl for most cases. However, if the bot name is the pnacl_sdk
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# bot then we will go ahead and download it. This prevents increasing the
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# gclient sync time for developers, or standard Chrome bots.
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if '--optional-pnacl' in args:
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args.remove('--optional-pnacl')
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# By default we don't use PNaCl toolchain yet, unless on ARM, where
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# there is no other toolchain to build untrusted code at the moment.
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# So analyze if we're building for ARM, or on SDK buildbot.
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# TODO(olonho): we need to invent more reliable way to get build
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# configuration info, to know if we're building for ARM.
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use_pnacl = False
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if 'target_arch=arm' in os.environ.get('GYP_DEFINES', ''):
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use_pnacl = True
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buildbot_name = os.environ.get('BUILDBOT_BUILDERNAME', '')
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if buildbot_name.find('pnacl') >= 0 and buildbot_name.find('sdk') >= 0:
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use_pnacl = True
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if use_pnacl:
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print '\n*** DOWNLOADING PNACL TOOLCHAIN ***\n'
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else:
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args.append('--no-pnacl')
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# Append the name of the file to use as a version and hash source.
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# NOTE: While not recommended, it is possible to redirect this file to
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# a chrome location to avoid branching NaCl if just a toolchain needs
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# to be bumped.
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args.append(os.path.join(nacl_dir,'TOOL_REVISIONS'))
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download_toolchains.main(args)
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return 0
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if __name__ == '__main__':
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sys.exit(Main(sys.argv[1:]))
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