anchor.diff: -{ lib, stdenv
  +{ stdenv
  +, lib
   , fetchFromGitHub
   , addOpenGLRunpath
   , cmake
  
positive.code:     description = "OpenCL runtime for AMD GPUs, part of the ROCm stack";
      homepage = "https://github.com/RadeonOpenCompute/ROCm-OpenCL-Runtime";
      license = with licenses; [ asl20 mit ];
      maintainers = with maintainers; [ ];
      platforms = platforms.linux;
    };
  }
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "rocm-opencl-runtime";
    version = "4.3.1";
  
    src = fetchFromGitHub {
      owner = "RadeonOpenCompute";
      repo = "ROCm-OpenCL-Runtime";
      rev = "rocm-${version}";
      hash = "sha256-4+PNxRqvAvU0Nj2igYl3WiS5h5HGV63J+cHbIVW89LE=";
    };
  
    nativeBuildInputs = [ cmake rocm-cmake ];
  