Check library version and handle library load errors

build/android/gyp/create_native_libraries_header.py

 #!/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.
 
-"""Writes .h file for NativeLibraries.template
+"""Writes .h files for NativeLibraries.template
 
-This header should contain the list of native libraries to load in the form:
+The native library list header should contain the list of native libraries to
+load in the form:
   = { "lib1", "lib2" }
+The version header should contain a version name string of the form
+  = "version_name"
 """
 
 import json
 import optparse
 import os
 import sys
 
 from util import build_utils
 
 
 def main(argv):
   parser = optparse.OptionParser()
 
-  parser.add_option('--output', help='Path to generated .java file')
+  parser.add_option('--native-library-list',
+                    help='Path to generated .java file containing library list')
+  parser.add_option('--version-output',
+                    help='Path to generated .java file containing version name')
   parser.add_option('--ordered-libraries',
       help='Path to json file containing list of ordered libraries')
-  parser.add_option('--stamp', help='Path to touch on success')
+  parser.add_option('--version-name',
+                    help='expected version name of native library')
 
   # args should be the list of libraries in dependency order.
   options, _ = parser.parse_args()
 
-  build_utils.MakeDirectory(os.path.dirname(options.output))
+  build_utils.MakeDirectory(os.path.dirname(options.native_library_list))
 
   with open(options.ordered_libraries, 'r') as libfile:
     libraries = json.load(libfile)
   # Generates string of the form '= { "base", "net",
   # "content_shell_content_view" }' from a list of the form ["libbase.so",
   # libnet.so", "libcontent_shell_content_view.so"]
   libraries = ['"' + lib[3:-3] + '"' for lib in libraries]
   array = '= { ' + ', '.join(libraries) + '}';
 
-  with open(options.output, 'w') as header:
+  with open(options.native_library_list, 'w') as header:
     header.write(array)
 
-  if options.stamp:
-    build_utils.Touch(options.stamp)
-
+  with open(options.version_output, 'w') as header:
+    header.write('= "%s"' % options.version_name)
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))