anchor.diff:    nativeBuildInputs = [ pkgconfig ];
   
     meta = with stdenv.lib; {
  +    inherit version;
       description = "Userspace library providing an API to the in-kernel connection tracking state table";
       longDescription = ''
         libnetfilter_conntrack is a userspace library providing a programming interface (API) to the
  
positive.code: { stdenv, fetchurl, pkgconfig, libnfnetlink, libmnl }:
  
  stdenv.mkDerivation rec {
    name = "libnetfilter_conntrack-1.0.4";
  
    src = fetchurl {
      url = "http://netfilter.org/projects/libnetfilter_conntrack/files/${name}.tar.bz2";
  
negative.code:     '';
      homepage = http://netfilter.org/projects/libnetfilter_conntrack/;
      license = licenses.gpl2Plus;
      platforms = platforms.linux;
      maintainers = with maintainers; [ nckx ];
    };
  