anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "amdvlk";
  -  version = "2020.Q3.1";
  +  version = "2020.Q3.2";
   
     src = fetchRepoProject {
       name = "${pname}-src";
       manifest = "https://github.com/GPUOpen-Drivers/AMDVLK.git";
       rev = "refs/tags/v-${version}";
  -    sha256 = "0azbl5750q3ivpz5q8nlsf5p4qv94hcm4nbmwgxbvxybbk682k0i";
  +    sha256 = "1mki4lxy981g1rz9d6w18dv1hf3ldch5gld2vb7injn5ipp6z2y3";
     };
   
     buildInputs = [
  
positive.code: { stdenv
  , lib
  , fetchpatch
  , fetchRepoProject
  , cmake
  , ninja
  
negative.code: 
    rpath = lib.makeLibraryPath [
      libdrm
      openssl
      stdenv.cc.cc.lib
      xorg.libX11
      xorg.libxcb
  