anchor.diff:  {
     lib,
     stdenv,
  +  fetchpatch,
     fetchFromGitHub,
     opencl-headers,
     cmake,
  
positive.code:       sha256 = "1kyff3vx2r4hjpqah9qk99z6dwz7nsnbnhhl6a76mdhjmgp1q646";
        fetchSubmodules = true;
      };
  
    # NOTE: dbus is broken
    cmakeFlags = [
  
negative.code:     cudatoolkit
    ];
  
    postInstall = ''
      wrapProgram $out/bin/ethminer --prefix LD_LIBRARY_PATH : /run/opengl-driver/lib
    '';
  