Excluded sysroot directories from checklicences.py

tools/checklicenses/checklicenses.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Makes sure that all files contain proper licensing information."""
 
 
 import json
 import optparse
@@ skipping 530 matching lines @@
         'UNKNOWN',
     ],
     'v8/test/cctest': [  # http://crbug.com/98597
         'UNKNOWN',
     ],
     'v8/src/third_party/kernel/tools/perf/util/jitdump.h': [  # http://crbug.com/391716
         'UNKNOWN',
     ],
 }
 
+EXCLUDED_PATHS = [
+    # Don't check generated files
+    'out/',
+
+    # Don't check sysroot directories
+    'build/linux/debian_wheezy_amd64-sysroot',
+    'build/linux/debian_wheezy_arm-sysroot',
+    'build/linux/debian_wheezy_i386-sysroot',
+    'build/linux/debian_wheezy_mips-sysroot',
+]
+
 
 def check_licenses(options, args):
   # Figure out which directory we have to check.
   if len(args) == 0:
     # No directory to check specified, use the repository root.
     start_dir = options.base_directory
   elif len(args) == 1:
     # Directory specified. Start here. It's supposed to be relative to the
     # base directory.
     start_dir = os.path.abspath(os.path.join(options.base_directory, args[0]))
@@ skipping 28 matching lines @@
     print "\nFAILED\n"
     return 1
 
   used_suppressions = set()
   errors = []
 
   for line in stdout.splitlines():
     filename, license = line.split(':', 1)
     filename = os.path.relpath(filename.strip(), options.base_directory)
 
-    # All files in the build output directory are generated one way or another.
-    # There's no need to check them.
-    if filename.startswith('out/'):
+    # Check if the file belongs to one of the excluded paths.
+    if any((filename.startswith(path) for path in EXCLUDED_PATHS)):
       continue
 
     # For now we're just interested in the license.
     license = license.replace('*No copyright*', '').strip()
 
     # Skip generated files.
     if 'GENERATED FILE' in license:
       continue
 
     if license in WHITELISTED_LICENSES:
@@ skipping 60 matching lines @@
                            action='store_true',
                            default=False,
                            help='Ignore path-specific license whitelist.')
   option_parser.add_option('--json', help='Path to JSON output file')
   options, args = option_parser.parse_args()
   return check_licenses(options, args)
 
 
 if '__main__' == __name__:
   sys.exit(main())