Fixed build on Windows with Cygwin (get_syzygy_binaries script).

build/get_syzygy_binaries.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """A utility script for downloading versioned Syzygy binaries."""
 
 import cStringIO
 import hashlib
 import errno
@@ skipping 282 matching lines @@
             pass
           else:
             raise Exception('Path already exists: %s' % fullpath)
 
         # Extract the file and update the state dictionary.
         _LOGGER.debug('Extracting "%s".', fullpath)
         if not options.dry_run:
           archive.extract(entry.filename, fulldir)
           md5 = _Md5(fullpath)
           contents[relpath] = md5
+          if sys.platform == 'cygwin':
+            os.chmod(fullpath, os.stat(fullpath).st_mode | stat.S_IXUSR)
 
   return state
 
 
 def _ParseCommandLine():
   """Parses the command-line and returns an options structure."""
   option_parser = optparse.OptionParser()
   option_parser.add_option('--dry-run', action='store_true', default=False,
       help='If true then will simply list actions that would be performed.')
   option_parser.add_option('--force', action='store_true', default=False,
@@ skipping 39 matching lines @@
 
   # This just makes output prettier to read.
   options.output_dir = os.path.normpath(options.output_dir)
 
   return options
 
 
 def main():
   # We only care about Windows platforms, as the Syzygy binaries aren't used
   # elsewhere.
-  if sys.platform != 'win32':
+  if sys.platform not in ('win32', 'cygwin'):
     return
 
   options = _ParseCommandLine()
 
   if options.dry_run:
     _LOGGER.debug('Performing a dry-run.')
 
   # Load the current installation state, and validate it against the
   # requested installation.
   state, is_consistent = _GetCurrentState(options.revision, options.output_dir)
@@ skipping 26 matching lines @@
   # Install the new binaries. In a dry-run this will actually download the
   # archives, but it won't write anything to disk.
   state = _InstallBinaries(options, deleted)
 
   # Build and save the state for the directory.
   _SaveState(options.output_dir, state, options.dry_run)
 
 
 if __name__ == '__main__':
   main()