| #!/usr/bin/python2.6 |
| # |
| # Copyright 2010 Google Inc. All Rights Reserved. |
| |
| """Script to build the ChromeOS toolchain. |
| |
| This script sets up the toolchain if you give it the gcctools directory. |
| """ |
| |
| __author__ = "asharif@google.com (Ahmad Sharif)" |
| |
| import getpass |
| import optparse |
| import sys |
| from utils import utils |
| |
| # Common initializations |
| (rootdir, basename) = utils.GetRoot(sys.argv[0]) |
| utils.InitLogger(rootdir, basename) |
| |
| |
| def Main(): |
| """The main function.""" |
| parser = optparse.OptionParser() |
| parser.add_option("-c", "--chromeos_root", dest="chromeos_root", |
| default="../..", |
| help="ChromeOS root checkout directory.") |
| parser.add_option("-t", "--toolchain_root", dest="toolchain_root", |
| help="Toolchain root directory.") |
| parser.add_option("-b", "--board", dest="board", default="x86-generic", |
| help="board is the argument to the setup_board command.") |
| parser.add_option("-C", "--clean", dest="clean", default=False, |
| action="store_true", |
| help="Uninstall the toolchain.") |
| parser.add_option("-f", "--force", dest="force", default=False, |
| action="store_true", |
| help="Do an uninstall/install cycle.") |
| parser.add_option("-i", "--incremental", dest="incremental", |
| help="The toolchain component that should be " |
| "incrementally compiled.") |
| parser.add_option("-B", "--binary", dest="binary", |
| action="store_true", default=False, |
| help="The toolchain should use binaries stored in " |
| "the install/ directory.") |
| |
| options = parser.parse_args()[0] |
| |
| if options.toolchain_root is None or options.board is None: |
| parser.print_help() |
| sys.exit() |
| |
| portage_flags = "" |
| if options.binary == True: |
| # FIXME(asharif): This should be using --usepkg but that was not working. |
| portage_flags = "--usepkgonly" |
| |
| f = open(options.chromeos_root + "/src/overlays/overlay-" + |
| options.board + "/toolchain.conf", "r") |
| target = f.read() |
| f.close() |
| target = target.strip() |
| features = "noclean userfetch userpriv usersandbox -strict" |
| if options.incremental is not None and options.incremental: |
| features += " keepwork" |
| env = CreateEnvVarString(" FEATURES", features) |
| env += CreateEnvVarString(" PORTAGE_USERNAME", getpass.getuser()) |
| version_number = utils.GetRoot(rootdir)[1] |
| version_dir = "/home/${USER}/toolchain_root/" + version_number |
| env += CreateEnvVarString(" PORT_LOGDIR", version_dir + "/logs") |
| env += CreateEnvVarString(" PKGDIR", version_dir + "/pkgs") |
| env += CreateEnvVarString(" PORTAGE_BINHOST", version_dir + "/pkgs") |
| env += CreateEnvVarString(" PORTAGE_TMPDIR", version_dir + "/objects") |
| |
| retval = 0 |
| if options.force == True: |
| retval = BuildTC(options.chromeos_root, options.toolchain_root, env, |
| target, True, options.incremental, portage_flags) |
| retval = BuildTC(options.chromeos_root, options.toolchain_root, env, |
| target, options.clean, options.incremental, portage_flags) |
| utils.AssertTrue(retval == 0, "Build toolchain failed!") |
| |
| if options.incremental is None and not options.clean: |
| install_dir = rootdir + "/install" |
| package_dir = (rootdir + "/pkgs/" + target + "/" + |
| "cross-" + target + "/") |
| retval = InstallTC(package_dir, install_dir) |
| utils.AssertTrue(retval == 0, "Installation of the toolchain failed!") |
| |
| return retval |
| |
| |
| def CreateCrossdevPortageFlags(portage_flags): |
| portage_flags = portage_flags.strip() |
| if not portage_flags: |
| return "" |
| crossdev_flags = " --portage " |
| crossdev_flags += " --portage ".join(portage_flags.split(" ")) |
| return crossdev_flags |
| |
| |
| def CreateEnvVarString(variable, value): |
| return variable + "=" + EscapeQuoteString(value) |
| |
| |
| def EscapeQuoteString(string): |
| return "\\\"" + string + "\\\"" |
| |
| |
| def InstallTC(package_dir, install_dir): |
| command = ("mkdir -p " + install_dir + ";") |
| command += ("for f in " + package_dir + "*; do tar xvf $f -C " + install_dir + |
| "; done") |
| retval = utils.RunCommand(command) |
| return retval |
| |
| |
| def BuildTC(chromeos_root, toolchain_root, env, target, uninstall, |
| incremental_component, portage_flags): |
| """Build the toolchain.""" |
| portage_flags = portage_flags.strip() |
| portage_flags += " -b " |
| |
| binutils_version = "2.20.1-r1" |
| gcc_version = "9999" |
| libc_version = "2.10.1-r1" |
| kernel_version = "2.6.30-r1" |
| |
| env += " " |
| |
| if uninstall == True: |
| tflag = " -C " |
| else: |
| tflag = " -t " |
| |
| command = (rootdir + "/tc-enter-chroot.sh") |
| if chromeos_root is not None: |
| command += " --chromeos_root=" + chromeos_root |
| if toolchain_root is not None: |
| command += " --toolchain_root=" + toolchain_root |
| command += " -- \"sudo " + env |
| |
| if uninstall == True: |
| command += " crossdev " + tflag + target |
| command += "\"" |
| retval = utils.RunCommand(command) |
| return retval |
| |
| if incremental_component == "binutils": |
| command += (" emerge =cross-" + target + "/binutils-" + binutils_version + |
| portage_flags) |
| elif incremental_component == "gcc": |
| command += (" emerge =cross-" + target + "/gcc-" + gcc_version + |
| portage_flags) |
| elif incremental_component == "libc" or incremental_component == "glibc": |
| command += (" emerge =cross-" + target + "/glibc-" + libc_version + |
| portage_flags) |
| else: |
| crossdev_flags = CreateCrossdevPortageFlags(portage_flags) |
| command += (" crossdev -v " + tflag + target + |
| " --binutils " + binutils_version + |
| " --libc " + libc_version + |
| " --gcc " + gcc_version + |
| " --kernel " + kernel_version + |
| crossdev_flags) |
| |
| command += "\"" |
| retval = utils.RunCommand(command) |
| return retval |
| |
| if __name__ == "__main__": |
| Main() |
| |