diff options
Diffstat (limited to 'deps/v8/build/linux/unbundle/remove_bundled_libraries.py')
-rwxr-xr-x | deps/v8/build/linux/unbundle/remove_bundled_libraries.py | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/deps/v8/build/linux/unbundle/remove_bundled_libraries.py b/deps/v8/build/linux/unbundle/remove_bundled_libraries.py new file mode 100755 index 0000000000..1cf2841bbd --- /dev/null +++ b/deps/v8/build/linux/unbundle/remove_bundled_libraries.py @@ -0,0 +1,106 @@ +#!/usr/bin/env python +# Copyright 2013 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +""" +Removes bundled libraries to make sure they are not used. + +See README for more details. +""" + + +import optparse +import os.path +import sys + + +def DoMain(argv): + my_dirname = os.path.abspath(os.path.dirname(__file__)) + source_tree_root = os.path.abspath( + os.path.join(my_dirname, '..', '..', '..')) + + if os.path.join(source_tree_root, 'build', 'linux', 'unbundle') != my_dirname: + print ('Sanity check failed: please run this script from ' + + 'build/linux/unbundle directory.') + return 1 + + parser = optparse.OptionParser() + parser.add_option('--do-remove', action='store_true') + + options, args = parser.parse_args(argv) + + exclusion_used = {} + for exclusion in args: + exclusion_used[exclusion] = False + + for root, dirs, files in os.walk(source_tree_root, topdown=False): + # Only look at paths which contain a "third_party" component + # (note that e.g. third_party.png doesn't count). + root_relpath = os.path.relpath(root, source_tree_root) + if 'third_party' not in root_relpath.split(os.sep): + continue + + for f in files: + path = os.path.join(root, f) + relpath = os.path.relpath(path, source_tree_root) + + excluded = False + for exclusion in args: + # Require precise exclusions. Find the right-most third_party + # in the relative path, and if there is more than one ignore + # the exclusion if it's completely contained within the part + # before right-most third_party path component. + split = relpath.rsplit(os.sep + 'third_party' + os.sep, 1) + if len(split) > 1 and split[0].startswith(exclusion): + continue + + if relpath.startswith(exclusion): + # Multiple exclusions can match the same path. Go through all of them + # and mark each one as used. + exclusion_used[exclusion] = True + excluded = True + if excluded: + continue + + # Deleting gyp files almost always leads to gyp failures. + # These files come from Chromium project, and can be replaced if needed. + if f.endswith('.gyp') or f.endswith('.gypi'): + continue + + # Same about GN files. + if f.endswith('.gn') or f.endswith('.gni'): + continue + + # Deleting .isolate files leads to gyp failures. They are usually + # not used by a distro build anyway. + # See http://www.chromium.org/developers/testing/isolated-testing + # for more info. + if f.endswith('.isolate'): + continue + + if options.do_remove: + # Delete the file - best way to ensure it's not used during build. + os.remove(path) + else: + # By default just print paths that would be removed. + print path + + exit_code = 0 + + # Fail if exclusion list contains stale entries - this helps keep it + # up to date. + for exclusion, used in exclusion_used.iteritems(): + if not used: + print '%s does not exist' % exclusion + exit_code = 1 + + if not options.do_remove: + print ('To actually remove files printed above, please pass ' + + '--do-remove flag.') + + return exit_code + + +if __name__ == '__main__': + sys.exit(DoMain(sys.argv[1:])) |