make combine_libs.py not bail out when run under the system provided python u...

chrome_frame/combine_libs.py

-# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Copyright (c) 2010 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.
 
 # TODO(slightlyoff): move to using shared version of this script.
 
 '''This script makes it easy to combine libs and object files to a new lib,
 optionally removing some of the object files in the input libs by regular
 expression matching.
 For usage information, run the script with a --help argument.
 '''
@@ skipping 32 matching lines @@
   return removals
 
 
 def CombineLibraries(output, remove_re, inputs):
   '''Combines all the libraries and objects in inputs, while removing any
   object files that match remove_re.
   '''
   removals = []
   if remove_re:
     removals = CollectRemovals(remove_re, inputs)
-  
+
   print removals
 
   args = ['lib.exe', '/out:%s' % output]
   args += ['/remove:%s' % obj for obj in removals]
   args += inputs
   Shell(*args)
 
 
 USAGE = '''usage: %prog [options] <lib or obj>+
 
@@ skipping 28 matching lines @@
   remove = remove.strip()
 
   if remove:
     try:
       remove_re = re.compile(opt.remove)
     except:
       parser.error('%s is not a valid regular expression' % opt.remove)
   else:
     remove_re = None
 
-  if sys.platform != 'win32':
+  if sys.platform != 'win32' and sys.platform != 'cygwin':
     parser.error('this script only works on Windows for now')
 
   # If this is set, we can't capture lib.exe's output.
   if 'VS_UNICODE_OUTPUT' in os.environ:
     del os.environ['VS_UNICODE_OUTPUT']
 
   CombineLibraries(output, remove_re, args)
 
 
 if __name__ == '__main__':
   Main()