Make the build control what library(/ies) to load

build/android/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.
+

[joth, 2013/04/01 18:46:37]

add either a file or main() function comment explaining what this is all about

e.g., call out this is very specific to the LibraryLoader and what native
libraries it will load. ("native library headers" could be just about
anything...)

[cjhopman, 2013/04/01 20:11:14]

Done.

+import json
+import optparse
+import os
+import sys
+
+from pylib import build_utils
+
+
+def main(argv):
+  parser = optparse.OptionParser()
+
+  parser.add_option('--output', help='Path to generated .java file')
+  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')
+
+  # args should be the list of libraries in dependency order.
+  options, _ = parser.parse_args()
+
+  build_utils.MakeDirectory(os.path.dirname(options.output))
+
+  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:
+    header.write(array)
+
+  if options.stamp:
+    build_utils.Touch(options.stamp)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))
+
+