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#!/usr/bin/python
# Copyright (c) 2009 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This script is wrapper for Chromium that adds some support for how GYP
# is invoked by Chromium beyond what can be done in the gclient hooks.
import glob
import os
import shlex
import sys
script_dir = os.path.dirname(__file__)
chrome_src = os.path.normpath(os.path.join(script_dir, os.pardir))
sys.path.append(os.path.join(chrome_src, 'tools', 'gyp', 'pylib'))
import gyp
def additional_include_files(args=[]):
"""
Returns a list of additional (.gypi) files to include, without
duplicating ones that are already specified on the command line.
"""
# Determine the include files specified on the command line.
# This doesn't cover all the different option formats you can use,
# but it's mainly intended to avoid duplicating flags on the automatic
# makefile regeneration which only uses this format.
specified_includes = set()
for arg in args:
if arg.startswith('-I') and len(arg) > 2:
specified_includes.add(os.path.realpath(arg[2:]))
result = []
def AddInclude(path):
if os.path.realpath(path) not in specified_includes:
result.append(path)
# Always include common.gypi & features_override.gypi
AddInclude(os.path.join(script_dir, 'common.gypi'))
AddInclude(os.path.join(script_dir, 'features_override.gypi'))
# Optionally add supplemental .gypi files if present.
supplements = glob.glob(os.path.join(chrome_src, '*', 'supplement.gypi'))
for supplement in supplements:
AddInclude(supplement)
return result
if __name__ == '__main__':
args = sys.argv[1:]
# This could give false positives since it doesn't actually do real option
# parsing. Oh well.
gyp_file_specified = False
for arg in args:
if arg.endswith('.gyp'):
gyp_file_specified = True
break
# If we didn't get a file, check an env var, and then fall back to
# assuming 'all.gyp' from the same directory as the script.
if not gyp_file_specified:
gyp_file = os.environ.get('CHROMIUM_GYP_FILE')
if gyp_file:
# Note that CHROMIUM_GYP_FILE values can't have backslashes as
# path separators even on Windows due to the use of shlex.split().
args.extend(shlex.split(gyp_file))
else:
args.append(os.path.join(script_dir, 'all.gyp'))
args.extend(['-I' + i for i in additional_include_files(args)])
print 'Updating projects from gyp files...'
sys.stdout.flush()
# Off we go...
sys.exit(gyp.main(args))
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