anchor.diff:    ];
   
     buildInputs = [
  +    liblinear
       libpcap
  +    libssh2
  +    lua
       openssl
       pcre
       python2Packages.python
  
positive.code: { stdenv
  , fetchurl
  
  , libpcap
  , openssl
  , pcre
  , python2Packages
  
negative.code:   ];
  in
  stdenv.mkDerivation rec {
    name = "nmap-7.70";
  
    src = fetchurl {
      urls = map (n: "${n}/${name}.tar.bz2") baseUrls;
      multihash = "QmdByChZAjZradH73dAockfRumaEpgA3X7DqAeLA4kabMb";
      hashOutput = false;
      sha256 = "847b068955f792f4cc247593aca6dc3dc4aae12976169873247488de147a6e18";
    };
  
    nativeBuildInputs = [
  