147 строки
5.2 KiB
Python
Executable File
147 строки
5.2 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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# 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 gyp_helper
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import os
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import shlex
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import subprocess
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import sys
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script_dir = os.path.dirname(os.path.realpath(__file__))
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chrome_src = os.path.abspath(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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# Add paths so that pymod_do_main(...) can import files.
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sys.path.insert(1, os.path.join(chrome_src, 'tools', 'generate_shim_headers'))
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sys.path.insert(1, os.path.join(chrome_src, 'tools', 'grit'))
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sys.path.insert(1, os.path.join(chrome_src, 'chrome', 'tools', 'build'))
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sys.path.insert(1, os.path.join(chrome_src, 'native_client', 'build'))
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sys.path.insert(1, os.path.join(chrome_src, 'third_party', 'WebKit',
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'Source', 'WebCore', 'WebCore.gyp', 'scripts'))
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# On Windows, Psyco shortens warm runs of build/gyp_chromium by about
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# 20 seconds on a z600 machine with 12 GB of RAM, from 90 down to 70
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# seconds. Conversely, memory usage of build/gyp_chromium with Psyco
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# maxes out at about 158 MB vs. 132 MB without it.
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#
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# Psyco uses native libraries, so we need to load a different
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# installation depending on which OS we are running under. It has not
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# been tested whether using Psyco on our Mac and Linux builds is worth
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# it (the GYP running time is a lot shorter, so the JIT startup cost
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# may not be worth it).
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if sys.platform == 'win32':
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try:
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sys.path.insert(0, os.path.join(chrome_src, 'third_party', 'psyco_win32'))
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import psyco
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except:
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psyco = None
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else:
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psyco = None
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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.
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AddInclude(os.path.join(script_dir, 'common.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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# Use the Psyco JIT if available.
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if psyco:
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psyco.profile()
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print "Enabled Psyco JIT."
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# Fall back on hermetic python if we happen to get run under cygwin.
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# TODO(bradnelson): take this out once this issue is fixed:
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# http://code.google.com/p/gyp/issues/detail?id=177
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if sys.platform == 'cygwin':
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python_dir = os.path.join(chrome_src, 'third_party', 'python_26')
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env = os.environ.copy()
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env['PATH'] = python_dir + os.pathsep + env.get('PATH', '')
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p = subprocess.Popen(
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[os.path.join(python_dir, 'python.exe')] + sys.argv,
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env=env, shell=False)
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p.communicate()
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sys.exit(p.returncode)
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gyp_helper.apply_chromium_gyp_env()
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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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