anchor.diff:    buildInputs = [
       xorg.glamoregl
       libdrm
  +    libpciaccess
       opengl-dummy
       systemd_lib
       xorg-server
  
positive.code: 
  #, glamoregl
  , libdrm
  , opengl-dummy
  , systemd_lib
  , xorg-server
  
negative.code: }:
  
  stdenv.mkDerivation rec {
    name = "xf86-video-amdgpu-19.0.0";
  
    src = fetchurl {
      url = "mirror://xorg/individual/driver/${name}.tar.bz2";
      hashOutput = false;
      sha256 = "8836147d4755908ec9e192b7cc485fbc2ce7706de33f7bea515294d3ba4c4f51";
    };
  
    nativeBuildInputs = [
  