Home | History | Annotate | Download | only in build 
      1 #!/usr/bin/env python
      2 
      3 # Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
      4 #
      5 # Use of this source code is governed by a BSD-style license
      6 # that can be found in the LICENSE file in the root of the source
      7 # tree. An additional intellectual property rights grant can be found
      8 # in the file PATENTS.  All contributing project authors may
      9 # be found in the AUTHORS file in the root of the source tree.
     10 
     11 # Searches for libraries or object files on the specified path and merges them
     12 # them into a single library. Assumes ninja is used on all platforms.
     13 
     14 import fnmatch
     15 import os
     16 import subprocess
     17 import sys
     18 
     19 
     20 def FindFiles(path, pattern):
     21   """Finds files matching |pattern| under |path|.
     22 
     23   Returns a list of file paths matching |pattern|, by walking the directory tree
     24   under |path|. Filenames containing the string 'do_not_use' or 'protoc' are
     25   excluded.
     26 
     27   Args:
     28     path: The root path for the search.
     29     pattern: A shell-style wildcard pattern to match filenames against.
     30         (e.g. '*.a')
     31 
     32   Returns:
     33     A list of file paths, relative to the current working directory.
     34   """
     35   files = []
     36   for root, _, filenames in os.walk(path):
     37     for filename in fnmatch.filter(filenames, pattern):
     38       if 'do_not_use' not in filename and 'protoc' not in filename:
     39         # We use the relative path here to avoid "argument list too long"
     40         # errors on Linux.
     41         files.append(os.path.relpath(os.path.join(root, filename)))
     42   return files
     43 
     44 
     45 def main(argv):
     46   if len(argv) != 3:
     47     sys.stderr.write('Usage: ' + argv[0] + ' <search_path> <output_lib>\n')
     48     return 1
     49 
     50   search_path = os.path.normpath(argv[1])
     51   output_lib = os.path.normpath(argv[2])
     52 
     53   if not os.path.exists(search_path):
     54     sys.stderr.write('search_path does not exist: %s\n' % search_path)
     55     return 1
     56 
     57   if os.path.isfile(output_lib):
     58     os.remove(output_lib)
     59 
     60   if sys.platform.startswith('linux'):
     61     objects = FindFiles(search_path, '*.o')
     62     cmd = 'ar crs '
     63   elif sys.platform == 'darwin':
     64     objects = FindFiles(search_path, '*.a')
     65     cmd = 'libtool -static -v -o '
     66   elif sys.platform == 'win32':
     67     objects = FindFiles(search_path, '*.lib')
     68     cmd = 'lib /OUT:'
     69   else:
     70     sys.stderr.write('Platform not supported: %r\n\n' % sys.platform)
     71     return 1
     72 
     73   cmd += output_lib + ' ' + ' '.join(objects)
     74   print cmd
     75   subprocess.check_call(cmd, shell=True)
     76   return 0
     77 
     78 if __name__ == '__main__':
     79   sys.exit(main(sys.argv))
     80 
     81