{ pkgs ? import <nixpkgs> {} }:

pkgs.stdenv.mkDerivation {
  name = "ulogd2";

  buildInputs = with pkgs; [
    gnumake libnetfilter_acct libnetfilter_conntrack libnetfilter_log libmnl
    libnfnetlink automake autoconf autogen libtool pkg-config libpcap
  ];

  # hack to capture TCP and UDP port numbers (first 8 bytes) but omit rest of payload
  patches = [ ./onlyports.patch ];

  preConfigure = ''
    echo running autogen
    ./autogen.sh
    autoheader
    automake --force-missing --add-missing
    ./configure --help
  '';

  src = pkgs.fetchgit {
    url = "https://git.netfilter.org/ulogd2/";
    rev = "63135e73fd878cb71b1eebf8e877c4d4c34feba7";
    sha256 = "1ccfb8l7q9k4fy9s0sgab49ma9xphr4x4ap0v52xfrnwx57h87s2";
  };
}