| #!/usr/bin/python2.6 |
| # |
| # Copyright 2010 Google Inc. All Rights Reserved. |
| |
| """Script to checkout the ChromeOS source. |
| |
| This script sets up the ChromeOS source in the given directory, matching a |
| particular release of ChromeOS. |
| """ |
| |
| __author__ = "raymes@google.com (Raymes Khoury)" |
| |
| import optparse |
| import os |
| import sys |
| import tc_enter_chroot |
| from utils import command_executer |
| from utils import logger |
| from utils import utils |
| |
| |
| def Usage(parser, message): |
| print "ERROR: " + message |
| parser.print_help() |
| sys.exit(0) |
| |
| #TODO(raymes): move this to a common utils file. |
| def ExecuteCommandInChroot(chromeos_root, command, toolchain_root=None, |
| return_output=False, full_mount=False, |
| tec_options=[]): |
| """Executes a command in the chroot.""" |
| global cmd_executer |
| cmd_executer = command_executer.GetCommandExecuter() |
| chromeos_root = os.path.expanduser(chromeos_root) |
| |
| argv = [os.path.dirname(os.path.abspath(__file__)) + "/tc_enter_chroot.py", |
| "--chromeos_root=" + chromeos_root, |
| command] |
| if toolchain_root: |
| toolchain_root = os.path.expanduser(toolchain_root) |
| argv.append("--toolchain_root=" + toolchain_root) |
| if not full_mount: |
| argv.append("-s") |
| argv += tec_options |
| return tc_enter_chroot.Main(argv, return_output) |
| |
| |
| def MakeChroot(chromeos_root, clobber_chroot=False): |
| """Make a chroot given a chromeos checkout.""" |
| if (not os.path.isdir(chromeos_root + "/chroot") |
| or clobber_chroot): |
| commands = [] |
| commands.append("cd " + chromeos_root + "/src/scripts") |
| clobber_chroot = "" |
| if clobber_chroot: |
| clobber_chroot = "--replace" |
| commands.append("./make_chroot --fast " + clobber_chroot) |
| ret = command_executer.GetCommandExecuter().RunCommands(commands) |
| utils.AssertTrue(ret == 0, "make_chroot failed") |
| else: |
| logger.GetLogger().LogOutput("Did not make_chroot because it already exists") |
| |
| |
| def Main(argv): |
| """Build ChromeOS.""" |
| # Common initializations |
| cmd_executer = command_executer.GetCommandExecuter() |
| |
| parser = optparse.OptionParser() |
| parser.add_option("--chromeos_root", dest="chromeos_root", |
| help="Target directory for ChromeOS installation.") |
| parser.add_option("--clobber_chroot", dest="clobber_chroot", |
| action="store_true", help= |
| "Delete the chroot and start fresh", default=False) |
| parser.add_option("--clobber_board", dest="clobber_board", |
| action="store_true", |
| help="Delete the board and start fresh", default=False) |
| parser.add_option("--rebuild", dest="rebuild", |
| action="store_true", |
| help="Rebuild all board packages except the toolchain.", |
| default=False) |
| parser.add_option("--cflags", dest="cflags", default="", |
| help="CFLAGS for the ChromeOS packages") |
| parser.add_option("--cxxflags", dest="cxxflags", default="", |
| help="CXXFLAGS for the ChromeOS packages") |
| parser.add_option("--ldflags", dest="ldflags", default="", |
| help="LDFLAGS for the ChromeOS packages") |
| parser.add_option("--board", dest="board", |
| help="ChromeOS target board, e.g. x86-generic") |
| parser.add_option("--label", dest="label", |
| help="Optional label symlink to point to build dir.") |
| parser.add_option("--vanilla", dest="vanilla", |
| default=False, |
| action="store_true", |
| help="Use default ChromeOS toolchain.") |
| |
| options = parser.parse_args(argv[1:])[0] |
| |
| if options.chromeos_root is None: |
| Usage(parser, "--chromeos_root must be set") |
| |
| if options.board is None: |
| Usage(parser, "--board must be set") |
| |
| build_packages_env = "" |
| if options.rebuild == True: |
| build_packages_env = "EXTRA_BOARD_FLAGS=-e" |
| |
| options.chromeos_root = os.path.expanduser(options.chromeos_root) |
| |
| MakeChroot(options.chromeos_root, options.clobber_chroot) |
| |
| build_packages_command = utils.GetBuildPackagesCommand(options.board) |
| build_image_command = utils.GetBuildImageCommand(options.board) |
| mod_image_command = utils.GetModImageForTestCommand(options.board) |
| |
| if options.vanilla == True: |
| command = utils.GetSetupBoardCommand(options.board, |
| usepkg=False, |
| force=options.clobber_board) |
| command += "; " + build_packages_env + " " + build_packages_command |
| command += "&& " + build_image_command |
| command += "&& " + mod_image_command |
| ret = ExecuteCommandInChroot(options.chromeos_root, command) |
| return ret |
| |
| # Setup board |
| if not os.path.isdir(options.chromeos_root + "/chroot/build/" |
| + options.board) or options.clobber_board: |
| # Run build_tc.py from binary package |
| rootdir = utils.GetRoot(argv[0])[0] |
| version_number = utils.GetRoot(rootdir)[1] |
| ret = ExecuteCommandInChroot(options.chromeos_root, |
| utils.GetSetupBoardCommand(options.board, |
| gcc_version="9999", |
| binutils_version="9999", |
| force=options.clobber_board)) |
| utils.AssertTrue(ret == 0, "setup_board failed") |
| else: |
| logger.GetLogger().LogOutput("Did not setup_board " |
| "because it already exists") |
| |
| # Build packages |
| ret = ExecuteCommandInChroot(options.chromeos_root, |
| "CFLAGS=\"$(portageq-%s envvar CFLAGS) %s\" " |
| "LDFLAGS=\"$(portageq-%s envvar LDFLAGS) %s\" " |
| "CXXFLAGS=\"$(portageq-%s envvar CXXFLAGS) %s\" " |
| "CHROME_ORIGIN=SERVER_SOURCE " |
| "%s " |
| "%s" |
| % (options.board, options.cflags, |
| options.board, options.cxxflags, |
| options.board, options.ldflags, |
| build_packages_env, |
| build_packages_command)) |
| |
| utils.AssertTrue(ret == 0, "build_packages failed") |
| |
| # Build image |
| ret = ExecuteCommandInChroot(options.chromeos_root, |
| build_image_command) |
| |
| utils.AssertTrue(ret == 0, "build_image failed") |
| |
| # Mod image for test |
| ret = ExecuteCommandInChroot(options.chromeos_root, |
| mod_image_command) |
| |
| utils.AssertTrue(ret == 0, "mod_image_for_test failed") |
| |
| flags_file_name = "flags.txt" |
| flags_file_path = ("%s/src/build/images/%s/latest/%s" % |
| (options.chromeos_root, |
| options.board, |
| flags_file_name)) |
| flags_file = open(flags_file_path, "wb") |
| flags_file.write("CFLAGS=%s\n" % options.cflags) |
| flags_file.write("CXXFLAGS=%s\n" % options.cxxflags) |
| flags_file.write("LDFLAGS=%s\n" % options.ldflags) |
| flags_file.close() |
| |
| if options.label: |
| image_dir_path = ("%s/src/build/images/%s/latest" % |
| (options.chromeos_root, |
| options.board)) |
| real_image_dir_path = os.path.realpath(image_dir_path) |
| command = ("ln -sf -T %s %s/%s" % |
| (os.path.basename(real_image_dir_path), |
| os.path.dirname(real_image_dir_path), |
| options.label)) |
| |
| ret = cmd_executer.RunCommand(command) |
| utils.AssertExit(ret == 0, |
| "Failed to apply symlink label %s" % options.label) |
| |
| return ret |
| |
| if __name__ == "__main__": |
| retval = Main(sys.argv) |
| sys.exit(retval) |