blob: aab844435649062123e44327f9c861c2a450ff8e [file] [log] [blame]
#!/usr/bin/env python
# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file in the root of the source
# tree. An additional intellectual property rights grant can be found
# in the file PATENTS. All contributing project authors may
# be found in the AUTHORS file in the root of the source tree.
# This script is used to run GYP for WebRTC. It contains selected parts of the
# main function from the src/build/ file while other parts are
# reused to minimize code duplication.
import argparse
import gc
import glob
import os
import shlex
import sys
script_dir = os.path.dirname(os.path.realpath(__file__))
checkout_root = os.path.abspath(os.path.join(script_dir, os.pardir, os.pardir))
sys.path.insert(0, os.path.join(checkout_root, 'build'))
import gyp_chromium
import gyp_helper
import vs_toolchain
sys.path.insert(0, os.path.join(checkout_root, 'tools', 'gyp', 'pylib'))
import gyp
def GetSupplementalFiles():
"""Returns a list of the supplemental files.
A supplemental file is included in all GYP sources. Such files can be used to
override default values.
# Can't use the one in gyp_chromium since the directory location of the root
# is different.
return glob.glob(os.path.join(checkout_root, '*', 'supplement.gypi'))
def GetOutputDirectory():
"""Returns the output directory that GYP will use."""
# Handle command line generator flags.
parser = argparse.ArgumentParser()
parser.add_argument('-G', dest='genflags', default=[], action='append')
genflags = parser.parse_known_args()[0].genflags
# Handle generator flags from the environment.
genflags += shlex.split(os.environ.get('GYP_GENERATOR_FLAGS', ''))
needle = 'output_dir='
for item in genflags:
if item.startswith(needle):
return item[len(needle):]
return 'out'
def additional_include_files(supplemental_files, args=None):
Returns a list of additional (.gypi) files to include, without duplicating
ones that are already specified on the command line. The list of supplemental
include files is passed in as an argument.
# 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()
args = args or []
for arg in args:
if arg.startswith('-I') and len(arg) > 2:
result = []
def AddInclude(path):
if os.path.realpath(path) not in specified_includes:
if os.environ.get('GYP_INCLUDE_FIRST') != None:
AddInclude(os.path.join(checkout_root, os.environ.get('GYP_INCLUDE_FIRST')))
# Always include Chromium's common.gypi, which we now have a copy of.
AddInclude(os.path.join(script_dir, 'chromium_common.gypi'))
# Optionally add supplemental .gypi files if present.
for supplement in supplemental_files:
if os.environ.get('GYP_INCLUDE_LAST') != None:
AddInclude(os.path.join(checkout_root, os.environ.get('GYP_INCLUDE_LAST')))
return result
def main():
# Disabling garbage collection saves about 5% processing time. Since this is a
# short-lived process it's not a problem.
args = sys.argv[1:]
if int(os.environ.get('GYP_CHROMIUM_NO_ACTION', 0)):
print 'Skipping due to GYP_CHROMIUM_NO_ACTION env var.'
if 'SKIP_WEBRTC_GYP_ENV' not in os.environ:
# Update the environment based on webrtc.gyp_env.
gyp_env_path = os.path.join(os.path.dirname(checkout_root),
# 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
# If we didn't get a file, assume 'all.gyp' in the root of the checkout.
if not gyp_file_specified:
# Because of a bug in gyp, simply adding the abspath to all.gyp doesn't
# work, but chdir'ing and adding the relative path does. Spooky :/
# There shouldn't be a circular dependency relationship between .gyp files,
# Default to ninja unless GYP_GENERATORS is set.
if not os.environ.get('GYP_GENERATORS'):
os.environ['GYP_GENERATORS'] = 'ninja'
# Enable check for missing sources in GYP files on Windows.
if sys.platform.startswith('win'):
gyp_generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '')
if not 'msvs_error_on_missing_sources' in gyp_generator_flags:
os.environ['GYP_GENERATOR_FLAGS'] = (
gyp_generator_flags + ' msvs_error_on_missing_sources=1')
vs2013_runtime_dll_dirs = None
if int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')):
vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
# Enforce gyp syntax checking. This adds about 20% execution time.
supplemental_includes = GetSupplementalFiles()
gyp_vars = gyp_chromium.GetGypVars(supplemental_includes)
# Automatically turn on crosscompile support for platforms that need it.
if all(('ninja' in os.environ.get('GYP_GENERATORS', ''),
gyp_vars.get('OS') in ['android', 'ios'],
'GYP_CROSSCOMPILE' not in os.environ)):
os.environ['GYP_CROSSCOMPILE'] = '1'
args.extend(['-I' + i for i in additional_include_files(supplemental_includes,
# Set the gyp depth variable to the root of the checkout.
args.append('--depth=' + os.path.relpath(checkout_root))
print 'Updating projects from gyp files...'
# Off we go...
gyp_rc = gyp.main(args)
if vs2013_runtime_dll_dirs:
# pylint: disable=unpacking-non-sequence
x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
os.path.join(checkout_root, GetOutputDirectory()),
(x86_runtime, x64_runtime))
if __name__ == '__main__':