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280 lines
11 KiB
280 lines
11 KiB
#!/usr/bin/python2 |
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# |
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# Copyright 2010 Google Inc. All Rights Reserved. |
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"""Script to checkout the ChromeOS source. |
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This script sets up the ChromeOS source in the given directory, matching a |
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particular release of ChromeOS. |
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""" |
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from __future__ import print_function |
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__author__ = ('asharif@google.com (Ahmad Sharif) ' |
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'llozano@google.com (Luis Lozano) ' |
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'raymes@google.com (Raymes Khoury) ' |
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'shenhan@google.com (Han Shen)') |
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import argparse |
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import os |
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import sys |
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from cros_utils import command_executer |
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from cros_utils import logger |
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from cros_utils import misc |
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def Usage(parser, message): |
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print('ERROR: %s' % message) |
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parser.print_help() |
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sys.exit(0) |
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def Main(argv): |
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"""Build ChromeOS.""" |
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# Common initializations |
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cmd_executer = command_executer.GetCommandExecuter() |
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parser = argparse.ArgumentParser() |
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parser.add_argument('--chromeos_root', |
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dest='chromeos_root', |
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help='Target directory for ChromeOS installation.') |
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parser.add_argument('--clobber_chroot', |
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dest='clobber_chroot', |
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action='store_true', |
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help='Delete the chroot and start fresh', |
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default=False) |
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parser.add_argument('--clobber_board', |
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dest='clobber_board', |
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action='store_true', |
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help='Delete the board and start fresh', |
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default=False) |
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parser.add_argument('--rebuild', |
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dest='rebuild', |
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action='store_true', |
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help='Rebuild all board packages except the toolchain.', |
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default=False) |
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parser.add_argument('--cflags', |
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dest='cflags', |
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default='', |
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help='CFLAGS for the ChromeOS packages') |
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parser.add_argument('--cxxflags', |
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dest='cxxflags', |
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default='', |
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help='CXXFLAGS for the ChromeOS packages') |
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parser.add_argument('--ldflags', |
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dest='ldflags', |
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default='', |
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help='LDFLAGS for the ChromeOS packages') |
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parser.add_argument('--board', |
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dest='board', |
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help='ChromeOS target board, e.g. x86-generic') |
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parser.add_argument('--package', |
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dest='package', |
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help='The package needs to be built') |
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parser.add_argument('--label', |
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dest='label', |
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help='Optional label symlink to point to build dir.') |
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parser.add_argument('--dev', |
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dest='dev', |
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default=False, |
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action='store_true', |
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help=('Make the final image in dev mode (eg writable, ' |
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'more space on image). Defaults to False.')) |
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parser.add_argument('--debug', |
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dest='debug', |
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default=False, |
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action='store_true', |
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help=("Optional. Build chrome browser with \"-g -O0\". " |
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"Notice, this also turns on \'--dev\'. " |
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'Defaults to False.')) |
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parser.add_argument('--env', |
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dest='env', |
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default='', |
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help='Env to pass to build_packages.') |
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parser.add_argument('--vanilla', |
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dest='vanilla', |
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default=False, |
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action='store_true', |
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help='Use default ChromeOS toolchain.') |
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parser.add_argument('--vanilla_image', |
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dest='vanilla_image', |
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default=False, |
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action='store_true', |
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help=('Use prebuild packages for building the image. ' |
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'It also implies the --vanilla option is set.')) |
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options = parser.parse_args(argv[1:]) |
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if options.chromeos_root is None: |
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Usage(parser, '--chromeos_root must be set') |
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options.chromeos_root = os.path.expanduser(options.chromeos_root) |
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scripts_dir = os.path.join(options.chromeos_root, 'src', 'scripts') |
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if not os.path.isdir(scripts_dir): |
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Usage(parser, '--chromeos_root must be set up first. Use setup_chromeos.py') |
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if options.board is None: |
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Usage(parser, '--board must be set') |
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if options.debug: |
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options.dev = True |
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build_packages_env = options.env |
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if build_packages_env.find('EXTRA_BOARD_FLAGS=') != -1: |
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logger.GetLogger().LogFatal( |
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('Passing "EXTRA_BOARD_FLAGS" in "--env" is not supported. ' |
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'This flags is used internally by this script. ' |
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'Contact the author for more detail.')) |
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if options.rebuild == True: |
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build_packages_env += ' EXTRA_BOARD_FLAGS=-e' |
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# EXTRA_BOARD_FLAGS=-e should clean up the object files for the chrome |
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# browser but it doesn't. So do it here. |
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misc.RemoveChromeBrowserObjectFiles(options.chromeos_root, options.board) |
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# Build with afdo_use by default. |
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# To change the default use --env="USE=-afdo_use". |
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build_packages_env = misc.MergeEnvStringWithDict( |
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build_packages_env, {'USE': 'chrome_internal afdo_use'}) |
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build_packages_command = misc.GetBuildPackagesCommand( |
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board=options.board, |
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usepkg=options.vanilla_image, |
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debug=options.debug) |
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if options.package: |
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build_packages_command += ' {0}'.format(options.package) |
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build_image_command = misc.GetBuildImageCommand(options.board, options.dev) |
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if options.vanilla or options.vanilla_image: |
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command = misc.GetSetupBoardCommand(options.board, |
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usepkg=options.vanilla_image, |
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force=options.clobber_board) |
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command += '; ' + build_packages_env + ' ' + build_packages_command |
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command += '&& ' + build_packages_env + ' ' + build_image_command |
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ret = cmd_executer.ChrootRunCommand(options.chromeos_root, command) |
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return ret |
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# Setup board |
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if not os.path.isdir(options.chromeos_root + '/chroot/build/' + |
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options.board) or options.clobber_board: |
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# Run build_tc.py from binary package |
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ret = cmd_executer.ChrootRunCommand(options.chromeos_root, |
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misc.GetSetupBoardCommand( |
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options.board, |
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force=options.clobber_board)) |
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logger.GetLogger().LogFatalIf(ret, 'setup_board failed') |
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else: |
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logger.GetLogger().LogOutput('Did not setup_board ' |
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'because it already exists') |
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if options.debug: |
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# Perform 2-step build_packages to build a debug chrome browser. |
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# Firstly, build everything that chromeos-chrome depends on normally. |
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if options.rebuild == True: |
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# Give warning about "--rebuild" and "--debug". Under this combination, |
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# only dependencies of "chromeos-chrome" get rebuilt. |
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logger.GetLogger().LogWarning( |
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"\"--rebuild\" does not correctly re-build every package when " |
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"\"--debug\" is enabled. ") |
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# Replace EXTRA_BOARD_FLAGS=-e with "-e --onlydeps" |
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build_packages_env = build_packages_env.replace( |
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'EXTRA_BOARD_FLAGS=-e', 'EXTRA_BOARD_FLAGS=\"-e --onlydeps\"') |
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else: |
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build_packages_env += ' EXTRA_BOARD_FLAGS=--onlydeps' |
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ret = cmd_executer.ChrootRunCommand( |
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options.chromeos_root, "CFLAGS=\"$(portageq-%s envvar CFLAGS) %s\" " |
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"CXXFLAGS=\"$(portageq-%s envvar CXXFLAGS) %s\" " |
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"LDFLAGS=\"$(portageq-%s envvar LDFLAGS) %s\" " |
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'CHROME_ORIGIN=SERVER_SOURCE ' |
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'%s ' |
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'%s --skip_chroot_upgrade' |
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'chromeos-chrome' % (options.board, options.cflags, options.board, |
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options.cxxflags, options.board, options.ldflags, |
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build_packages_env, build_packages_command)) |
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logger.GetLogger().LogFatalIf(\ |
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ret, 'build_packages failed while trying to build chromeos-chrome deps.') |
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# Secondly, build chromeos-chrome using debug mode. |
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# Replace '--onlydeps' with '--nodeps'. |
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if options.rebuild == True: |
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build_packages_env = build_packages_env.replace( |
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'EXTRA_BOARD_FLAGS=\"-e --onlydeps\"', 'EXTRA_BOARD_FLAGS=--nodeps') |
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else: |
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build_packages_env = build_packages_env.replace( |
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'EXTRA_BOARD_FLAGS=--onlydeps', 'EXTRA_BOARD_FLAGS=--nodeps') |
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ret = cmd_executer.ChrootRunCommand( |
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options.chromeos_root, "CFLAGS=\"$(portageq-%s envvar CFLAGS) %s\" " |
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"CXXFLAGS=\"$(portageq-%s envvar CXXFLAGS) %s\" " |
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"LDFLAGS=\"$(portageq-%s envvar LDFLAGS) %s\" " |
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'CHROME_ORIGIN=SERVER_SOURCE BUILDTYPE=Debug ' |
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'%s ' |
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'%s --skip_chroot_upgrade' |
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'chromeos-chrome' % (options.board, options.cflags, options.board, |
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options.cxxflags, options.board, options.ldflags, |
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build_packages_env, build_packages_command)) |
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logger.GetLogger().LogFatalIf( |
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ret, |
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'build_packages failed while trying to build debug chromeos-chrome.') |
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# Now, we have built chromeos-chrome and all dependencies. |
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# Finally, remove '-e' from EXTRA_BOARD_FLAGS, |
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# otherwise, chromeos-chrome gets rebuilt. |
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build_packages_env = build_packages_env.replace(\ |
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'EXTRA_BOARD_FLAGS=--nodeps', '') |
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# Up to now, we have a debug built chromos-chrome browser. |
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# Fall through to build the rest of the world. |
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# Build packages |
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ret = cmd_executer.ChrootRunCommand( |
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options.chromeos_root, "CFLAGS=\"$(portageq-%s envvar CFLAGS) %s\" " |
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"CXXFLAGS=\"$(portageq-%s envvar CXXFLAGS) %s\" " |
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"LDFLAGS=\"$(portageq-%s envvar LDFLAGS) %s\" " |
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'CHROME_ORIGIN=SERVER_SOURCE ' |
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'%s ' |
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'%s --skip_chroot_upgrade' % (options.board, options.cflags, |
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options.board, options.cxxflags, |
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options.board, options.ldflags, |
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build_packages_env, build_packages_command)) |
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logger.GetLogger().LogFatalIf(ret, 'build_packages failed') |
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if options.package: |
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return 0 |
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# Build image |
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ret = cmd_executer.ChrootRunCommand( |
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options.chromeos_root, build_packages_env + ' ' + build_image_command) |
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logger.GetLogger().LogFatalIf(ret, 'build_image failed') |
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flags_file_name = 'flags.txt' |
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flags_file_path = ('%s/src/build/images/%s/latest/%s' % |
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(options.chromeos_root, options.board, flags_file_name)) |
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flags_file = open(flags_file_path, 'wb') |
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flags_file.write('CFLAGS=%s\n' % options.cflags) |
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flags_file.write('CXXFLAGS=%s\n' % options.cxxflags) |
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flags_file.write('LDFLAGS=%s\n' % options.ldflags) |
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flags_file.close() |
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if options.label: |
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image_dir_path = ('%s/src/build/images/%s/latest' % (options.chromeos_root, |
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options.board)) |
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real_image_dir_path = os.path.realpath(image_dir_path) |
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command = ('ln -sf -T %s %s/%s' % |
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(os.path.basename(real_image_dir_path), |
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os.path.dirname(real_image_dir_path), options.label)) |
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ret = cmd_executer.RunCommand(command) |
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logger.GetLogger().LogFatalIf(ret, 'Failed to apply symlink label %s' % |
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options.label) |
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return ret |
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if __name__ == '__main__': |
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retval = Main(sys.argv) |
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sys.exit(retval)
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