anchor.diff:          + head (splitString "." version)
           + ".x/${version}/mesa-${version}.tar.xz")
       ];
  -    multihash = "QmW9sPT8zJvUqJrRaNFLE6Z5CNexUbKfvR82ovbkudppEj";
  +    multihash = "QmaoXthnE2kd2AikjEQNMUx9KxpgyS3ywxB55CTCbbxdDr";
       hashOutput = false;  # Provided by upstream directly
  -    sha256 = "69dbe6f1a6660386f5beb85d4fcf003ee23023ed7b9a603de84e9a37e8d98dea";
  +    sha256 = "e2bf83c17e1abdecb1ee81af22652e27e9aa38f963e95e60f34275cc0376304f";
     };
   
     nativeBuildInputs = [
  
positive.code:     optionalString
      splitString;
  
    version = "18.1.5";
  
    # This is the default search path for DRI drivers
    driverSearchPath = "/run/opengl-drivers/${stdenv.targetSystem}";
  
negative.code:     libxdamage
      libxext
      libxfixes
      libxrandr
      libxshmfence
      xorg.libXxf86vm
      wayland
  