anchor.diff:  { stdenv
   , fetchurl
  +, which
   
  +, glib
   , ipset
   , iptables
   , libnfnetlink
  
positive.code: }:
  
  stdenv.mkDerivation rec {
    name = "keepalived-1.2.24";
  
    src = fetchurl {
      url = "http://keepalived.org/software/${name}.tar.gz";
      multihash = "QmVUJ7SnDaW6Dj9AyKwnnKa2wbQbHRznWfGzrraFgL1CAH";
      sha256 = "3071804478077e606197a2348b5733d7d53af2843906af5e0d544945565c36ef";
    };
  
    buildInputs = [
      ipset
      iptables
      libnfnetlink
  
negative.code:     "--sysconfdir=/etc"
      "--localstatedir=/var"
      "--enable-snmp"
      "--enable-snmp-vrrp"
      "--enable-snmp-checker"
      "--enable-snmp-rfc"
      "--enable-snmp-rfcv2"
      "--enable-snmp-rfcv3"
      "--enable-dbus"
      "--enable-sha1"
    ];
  
    preInstall = ''
      installFlagsArray+=(
        "dbussystemdir=$out/etc/dbus-1"
        "sysconfdir=$out/etc"
      )
    '';
  
    meta = with stdenv.lib; {
  