anchor.diff:  
   # Optionals
   , cliSupport ? true # Build standalone CLI application
  +
   , unittestsSupport ? false # Unit tests
  +
   # Debugging options
   , debugSupport ? false # Run-time sanity checks (debugging)
   , werrorSupport ? false # Warnings as errors
  
positive.code:     inherit src;
  
      cmakeFlags = [
        (cmFlag "HIGH_BIT_DEPTH" true)
        (cmFlag "EXPORT_C_API" false)
        (cmFlag "ENABLE_SHARED" false)
        (cmFlag "ENABLE_CLI" false)
        (cmFlag "MAIN12" true)
      ] ++ cmakeFlagsAll;
  
      preConfigure = /* x265 source directory is `source`, not `src` */ ''
  
negative.code: 
    postPatch = /* Work around to set version in the compiled binary */ ''
      sed -i cmake/version.cmake \
        -e 's/0.0/${version}/g'
    '';
  
    x265AdditionalLibs = [
  