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
  
  import specs.folly as folly
  import specs.fizz as fizz
  import specs.mvfst as mvfst
  import specs.sodium as sodium
  import specs.wangle as wangle
  import specs.zstd as zstd
  
  
  def fbcode_builder_spec(builder):
      builder.add_option("proxygen/proxygen:cmake_defines", {"BUILD_QUIC": "ON"})
      return {
          "depends_on": [folly, wangle, fizz, sodium, zstd, mvfst],
          "steps": [builder.fb_github_cmake_install("proxygen/proxygen", "..")],
      }
  
subject: enable CMake build (with HTTP/3) -- take 2