new_contents: #!/usr/bin/env python
  # Copyright (c) Facebook, Inc. and its affiliates.
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  
  def fbcode_builder_spec(builder):
      builder.add_option("rocksdb/_build:cmake_defines", {
          "USE_RTTI": "1",
          "PORTABLE": "ON",
      })
      return {
          "steps": [
              builder.fb_github_cmake_install("rocksdb/_build"),
          ],
      }
  
subject: Allow LogDevice to build without Submodules (#71)