130 строки
4.5 KiB
Python
Executable File
130 строки
4.5 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright (c) 2009 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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# This script is wrapper for Chromium that adds some support for how GYP
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# is invoked by Chromium 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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chrome_src = os.path.normpath(os.path.join(script_dir, os.pardir))
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sys.path.insert(0, os.path.join(chrome_src, 'tools', '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 = ( 'CHROMIUM_GYP_FILE',
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'CHROMIUM_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 common.gypi & features_override.gypi
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AddInclude(os.path.join(script_dir, 'common.gypi'))
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AddInclude(os.path.join(script_dir, 'features_override.gypi'))
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# Optionally add supplemental .gypi files if present.
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supplements = glob.glob(os.path.join(chrome_src, '*', '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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if __name__ == '__main__':
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args = sys.argv[1:]
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if 'SKIP_CHROMIUM_GYP_ENV' not in os.environ:
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# Update the environment based on chromium.gyp_env
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gyp_env_path = os.path.join(os.path.dirname(chrome_src), 'chromium.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('CHROMIUM_GYP_FILE')
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if gyp_file:
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# Note that CHROMIUM_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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args.append(os.path.join(script_dir, '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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# but in Chromium's .gyp files, on non-Mac platforms, circular relationships
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# currently exist. The check for circular dependencies is currently
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# bypassed on other platforms, but is left enabled on the Mac, where a
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# violation of the rule causes Xcode to misbehave badly.
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# TODO(mark): Find and kill remaining circular dependencies, and remove this
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# option. http://crbug.com/35878.
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# TODO(tc): Fix circular dependencies in ChromiumOS then add linux2 to the
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# list.
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if sys.platform not in ('darwin',):
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args.append('--no-circular-check')
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# If CHROMIUM_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('CHROMIUM_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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# Off we go...
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sys.exit(gyp.main(args))
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