anchor.diff:  {
     lib,
     stdenv,
  -  clangStdenv,
     fetchFromGitHub,
     opencl-headers,
     cmake,
  
positive.code:     platforms = [ "x86_64-linux" ];
      maintainers = with maintainers; [ nand0p atemu ];
      license = licenses.gpl3Only;
      broken = cudaSupport;
    };
  }
  
negative.code:   openssl,
    pkg-config,
    cli11
  }:
  
  stdenv.mkDerivation rec {
    pname = "ethminer";
    version = "0.19.0";
  
  