1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/webrtc/trunk/build/gyp_chromium Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,175 @@
1.4 +#!/usr/bin/env python
1.5 +
1.6 +# Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.7 +# Use of this source code is governed by a BSD-style license that can be
1.8 +# found in the LICENSE file.
1.9 +
1.10 +# This script is wrapper for Chromium that adds some support for how GYP
1.11 +# is invoked by Chromium beyond what can be done in the gclient hooks.
1.12 +
1.13 +import glob
1.14 +import os
1.15 +import shlex
1.16 +import subprocess
1.17 +import sys
1.18 +
1.19 +script_dir = os.path.dirname(os.path.realpath(__file__))
1.20 +chrome_src = os.path.abspath(os.path.join(script_dir, os.pardir))
1.21 +
1.22 +sys.path.insert(0, os.path.join(chrome_src, 'tools', 'gyp', 'pylib'))
1.23 +import gyp
1.24 +
1.25 +# Add paths so that pymod_do_main(...) can import files.
1.26 +sys.path.insert(1, os.path.join(chrome_src, 'tools', 'grit'))
1.27 +sys.path.insert(1, os.path.join(chrome_src, 'chrome', 'tools', 'build'))
1.28 +sys.path.insert(1, os.path.join(chrome_src, 'native_client', 'build'))
1.29 +
1.30 +
1.31 +# On Windows, Psyco shortens warm runs of build/gyp_chromium by about
1.32 +# 20 seconds on a z600 machine with 12 GB of RAM, from 90 down to 70
1.33 +# seconds. Conversely, memory usage of build/gyp_chromium with Psyco
1.34 +# maxes out at about 158 MB vs. 132 MB without it.
1.35 +#
1.36 +# Psyco uses native libraries, so we need to load a different
1.37 +# installation depending on which OS we are running under. It has not
1.38 +# been tested whether using Psyco on our Mac and Linux builds is worth
1.39 +# it (the GYP running time is a lot shorter, so the JIT startup cost
1.40 +# may not be worth it).
1.41 +if sys.platform == 'win32':
1.42 + try:
1.43 + sys.path.insert(0, os.path.join(chrome_src, 'third_party', 'psyco_win32'))
1.44 + import psyco
1.45 + except:
1.46 + psyco = None
1.47 +else:
1.48 + psyco = None
1.49 +
1.50 +def apply_gyp_environment(file_path=None):
1.51 + """
1.52 + Reads in a *.gyp_env file and applies the valid keys to os.environ.
1.53 + """
1.54 + if not file_path or not os.path.exists(file_path):
1.55 + return
1.56 + file_contents = open(file_path).read()
1.57 + try:
1.58 + file_data = eval(file_contents, {'__builtins__': None}, None)
1.59 + except SyntaxError, e:
1.60 + e.filename = os.path.abspath(file_path)
1.61 + raise
1.62 + supported_vars = ( 'CC',
1.63 + 'CHROMIUM_GYP_FILE',
1.64 + 'CHROMIUM_GYP_SYNTAX_CHECK',
1.65 + 'CXX',
1.66 + 'GYP_DEFINES',
1.67 + 'GYP_GENERATOR_FLAGS',
1.68 + 'GYP_GENERATOR_OUTPUT',
1.69 + 'GYP_GENERATORS', )
1.70 + for var in supported_vars:
1.71 + val = file_data.get(var)
1.72 + if val:
1.73 + if var in os.environ:
1.74 + print 'INFO: Environment value for "%s" overrides value in %s.' % (
1.75 + var, os.path.abspath(file_path)
1.76 + )
1.77 + else:
1.78 + os.environ[var] = val
1.79 +
1.80 +def additional_include_files(args=[]):
1.81 + """
1.82 + Returns a list of additional (.gypi) files to include, without
1.83 + duplicating ones that are already specified on the command line.
1.84 + """
1.85 + # Determine the include files specified on the command line.
1.86 + # This doesn't cover all the different option formats you can use,
1.87 + # but it's mainly intended to avoid duplicating flags on the automatic
1.88 + # makefile regeneration which only uses this format.
1.89 + specified_includes = set()
1.90 + for arg in args:
1.91 + if arg.startswith('-I') and len(arg) > 2:
1.92 + specified_includes.add(os.path.realpath(arg[2:]))
1.93 +
1.94 + result = []
1.95 + def AddInclude(path):
1.96 + if os.path.realpath(path) not in specified_includes:
1.97 + result.append(path)
1.98 +
1.99 + # Always include common.gypi.
1.100 + AddInclude(os.path.join(script_dir, 'common.gypi'))
1.101 +
1.102 + # Optionally add supplemental .gypi files if present.
1.103 + supplements = glob.glob(os.path.join(chrome_src, '*', 'supplement.gypi'))
1.104 + for supplement in supplements:
1.105 + AddInclude(supplement)
1.106 +
1.107 + return result
1.108 +
1.109 +if __name__ == '__main__':
1.110 + args = sys.argv[1:]
1.111 +
1.112 + # Use the Psyco JIT if available.
1.113 + if psyco:
1.114 + psyco.profile()
1.115 + print "Enabled Psyco JIT."
1.116 +
1.117 + # Fall back on hermetic python if we happen to get run under cygwin.
1.118 + # TODO(bradnelson): take this out once this issue is fixed:
1.119 + # http://code.google.com/p/gyp/issues/detail?id=177
1.120 + if sys.platform == 'cygwin':
1.121 + python_dir = os.path.join(chrome_src, 'third_party', 'python_26')
1.122 + env = os.environ.copy()
1.123 + env['PATH'] = python_dir + os.pathsep + env.get('PATH', '')
1.124 + p = subprocess.Popen(
1.125 + [os.path.join(python_dir, 'python.exe')] + sys.argv,
1.126 + env=env, shell=False)
1.127 + p.communicate()
1.128 + sys.exit(p.returncode)
1.129 +
1.130 + if 'SKIP_CHROMIUM_GYP_ENV' not in os.environ:
1.131 + # Update the environment based on chromium.gyp_env
1.132 + gyp_env_path = os.path.join(os.path.dirname(chrome_src), 'chromium.gyp_env')
1.133 + apply_gyp_environment(gyp_env_path)
1.134 +
1.135 + # This could give false positives since it doesn't actually do real option
1.136 + # parsing. Oh well.
1.137 + gyp_file_specified = False
1.138 + for arg in args:
1.139 + if arg.endswith('.gyp'):
1.140 + gyp_file_specified = True
1.141 + break
1.142 +
1.143 + # If we didn't get a file, check an env var, and then fall back to
1.144 + # assuming 'all.gyp' from the same directory as the script.
1.145 + if not gyp_file_specified:
1.146 + gyp_file = os.environ.get('CHROMIUM_GYP_FILE')
1.147 + if gyp_file:
1.148 + # Note that CHROMIUM_GYP_FILE values can't have backslashes as
1.149 + # path separators even on Windows due to the use of shlex.split().
1.150 + args.extend(shlex.split(gyp_file))
1.151 + else:
1.152 + args.append(os.path.join(script_dir, 'all.gyp'))
1.153 +
1.154 + args.extend(['-I' + i for i in additional_include_files(args)])
1.155 +
1.156 + # There shouldn't be a circular dependency relationship between .gyp files,
1.157 + # but in Chromium's .gyp files, on non-Mac platforms, circular relationships
1.158 + # currently exist. The check for circular dependencies is currently
1.159 + # bypassed on other platforms, but is left enabled on the Mac, where a
1.160 + # violation of the rule causes Xcode to misbehave badly.
1.161 + # TODO(mark): Find and kill remaining circular dependencies, and remove this
1.162 + # option. http://crbug.com/35878.
1.163 + # TODO(tc): Fix circular dependencies in ChromiumOS then add linux2 to the
1.164 + # list.
1.165 + if sys.platform not in ('darwin',):
1.166 + args.append('--no-circular-check')
1.167 +
1.168 + # If CHROMIUM_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check
1.169 + # to enfore syntax checking.
1.170 + syntax_check = os.environ.get('CHROMIUM_GYP_SYNTAX_CHECK')
1.171 + if syntax_check and int(syntax_check):
1.172 + args.append('--check')
1.173 +
1.174 + print 'Updating projects from gyp files...'
1.175 + sys.stdout.flush()
1.176 +
1.177 + # Off we go...
1.178 + sys.exit(gyp.main(args))
