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169 lines
5.8 KiB
169 lines
5.8 KiB
#!/usr/bin/env python
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#
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# Copyright 2012 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# This script is wrapper for V8 that adds some support for how GYP
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# is invoked by V8 beyond what can be done in the gclient hooks.
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import glob
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import os
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import shlex
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import sys
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script_dir = os.path.dirname(__file__)
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v8_root = os.path.normpath(os.path.join(script_dir, os.pardir))
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if __name__ == '__main__':
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os.chdir(v8_root)
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script_dir = os.path.dirname(__file__)
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v8_root = '.'
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sys.path.insert(0, os.path.join(v8_root, 'tools'))
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import utils
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sys.path.insert(0, os.path.join(v8_root, 'build', 'gyp', 'pylib'))
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import gyp
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def apply_gyp_environment(file_path=None):
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"""
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Reads in a *.gyp_env file and applies the valid keys to os.environ.
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"""
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if not file_path or not os.path.exists(file_path):
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return
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file_contents = open(file_path).read()
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try:
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file_data = eval(file_contents, {'__builtins__': None}, None)
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except SyntaxError, e:
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e.filename = os.path.abspath(file_path)
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raise
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supported_vars = ( 'V8_GYP_FILE',
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'V8_GYP_SYNTAX_CHECK',
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'GYP_DEFINES',
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'GYP_GENERATOR_FLAGS',
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'GYP_GENERATOR_OUTPUT', )
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for var in supported_vars:
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val = file_data.get(var)
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if val:
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if var in os.environ:
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print 'INFO: Environment value for "%s" overrides value in %s.' % (
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var, os.path.abspath(file_path)
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)
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else:
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os.environ[var] = val
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def additional_include_files(args=[]):
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"""
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Returns a list of additional (.gypi) files to include, without
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duplicating ones that are already specified on the command line.
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"""
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# Determine the include files specified on the command line.
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# This doesn't cover all the different option formats you can use,
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# but it's mainly intended to avoid duplicating flags on the automatic
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# makefile regeneration which only uses this format.
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specified_includes = set()
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for arg in args:
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if arg.startswith('-I') and len(arg) > 2:
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specified_includes.add(os.path.realpath(arg[2:]))
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result = []
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def AddInclude(path):
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if os.path.realpath(path) not in specified_includes:
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result.append(path)
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# Always include standalone.gypi
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AddInclude(os.path.join(v8_root, 'build', 'standalone.gypi'))
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# Optionally add supplemental .gypi files if present.
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supplements = glob.glob(os.path.join(v8_root, '*', 'supplement.gypi'))
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for supplement in supplements:
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AddInclude(supplement)
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return result
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def run_gyp(args):
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rc = gyp.main(args)
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if rc != 0:
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print 'Error running GYP'
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sys.exit(rc)
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if __name__ == '__main__':
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args = sys.argv[1:]
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if 'SKIP_V8_GYP_ENV' not in os.environ:
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# Update the environment based on v8.gyp_env
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gyp_env_path = os.path.join(os.path.dirname(v8_root), 'v8.gyp_env')
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apply_gyp_environment(gyp_env_path)
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# This could give false positives since it doesn't actually do real option
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# parsing. Oh well.
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gyp_file_specified = False
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for arg in args:
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if arg.endswith('.gyp'):
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gyp_file_specified = True
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break
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# If we didn't get a file, check an env var, and then fall back to
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# assuming 'all.gyp' from the same directory as the script.
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if not gyp_file_specified:
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gyp_file = os.environ.get('V8_GYP_FILE')
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if gyp_file:
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# Note that V8_GYP_FILE values can't have backslashes as
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# path separators even on Windows due to the use of shlex.split().
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args.extend(shlex.split(gyp_file))
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else:
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# Note that this must not start with "./" or things break.
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# So we rely on having done os.chdir(v8_root) above and use the
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# relative path.
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args.append(os.path.join('build', 'all.gyp'))
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args.extend(['-I' + i for i in additional_include_files(args)])
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# There shouldn't be a circular dependency relationship between .gyp files
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args.append('--no-circular-check')
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# Set the GYP DEPTH variable to the root of the V8 project.
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args.append('--depth=' + v8_root)
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# If V8_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check
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# to enfore syntax checking.
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syntax_check = os.environ.get('V8_GYP_SYNTAX_CHECK')
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if syntax_check and int(syntax_check):
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args.append('--check')
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print 'Updating projects from gyp files...'
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sys.stdout.flush()
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# Generate for the architectures supported on the given platform.
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gyp_args = list(args)
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if utils.GuessOS() == 'linux':
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gyp_args.append('--generator-output=out')
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run_gyp(gyp_args)
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