anchor.diff:    ];
     propagatedBuildInputs = [
       abseil-cpp gflags glog protobuf cbc
  -    pythonProtobuf python.pkgs.six
  +    python.pkgs.protobuf python.pkgs.six
     ];
   
     enableParallelBuilding = true;
  
positive.code: 
    makeFlags = [
      "prefix=${placeholder "out"}"
      "PROTOBUF_PYTHON_DESC=${pythonProtobuf}/${python.sitePackages}/google/protobuf/descriptor_pb2.py"
    ];
    buildFlags = [ "cc" "pypi_archive" ];
  
  
negative.code: { stdenv, fetchFromGitHub, cmake, abseil-cpp, gflags, which
  , lsb-release, glog, protobuf, cbc, zlib
  , ensureNewerSourcesForZipFilesHook, python, swig }:
  
  stdenv.mkDerivation rec {
    pname = "or-tools";
    version = "7.7";
  
    src = fetchFromGitHub {
      owner = "google";
      repo = "or-tools";
      rev = "v${version}";
      sha256 = "06ig9a1afmzgzcg817y0rdq49ahll0q9y7bhhg9d89x6zy959ypv";
    };
  
    # The original build system uses cmake which does things like pull
  