anchor.diff:  , autoreconfHook
   , libtool
   , pkg-config
  +, psmisc
   , argp-standalone ? null
   , openssl
   , jitterentropy ? null, withJitterEntropy ? true
  
positive.code: 
    doCheck = true;
    preCheck = "patchShebangs tests/*.sh";
  
    doInstallCheck = true;
    installCheckPhase = ''
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "rng-tools";
    version = "6.15";
  
    src = fetchFromGitHub {
      owner = "nhorman";
      repo = pname;
      rev = "v${version}";
      hash = "sha256-km+MEng3VWZF07sdvGLbAG/vf8/A1DxhA/Xa2Y+LAEQ=";
    };
  
    nativeBuildInputs = [ autoreconfHook libtool pkg-config ];
  