anchor.diff: -{ stdenv, fetchurl, gettext, ncurses, openssl
  +{ stdenv, fetchurl, gettext, libintl, ncurses, openssl
   , fftw ? null }:
   
   stdenv.mkDerivation rec {
  
positive.code:     '';
      license = licenses.agpl3;
      maintainers = with maintainers; [ rickynils ];
      platforms = platforms.linux;
    };
  }
  
negative.code:   version = "2.5";
  
    src = fetchurl {
      url = "https://vanheusden.com/httping/${name}.tgz";
      sha256 = "1y7sbgkhgadmd93x1zafqc4yp26ssiv16ni5bbi9vmvvdl55m29y";
    };
  
    buildInputs = [ fftw libintl ncurses openssl ];
    nativeBuildInputs = [ gettext ];
  
    makeFlags = [
  