anchor.diff:      "--sysconfdir=/etc"
       "--localstatedir=/var"
       "--enable-snmp"
  -    "--enable-snmp-keepalived"
  +    "--enable-snmp-vrrp"
       "--enable-snmp-checker"
       "--enable-snmp-rfc"
       "--enable-snmp-rfcv2"
       "--enable-snmp-rfcv3"
  +    "--enable-dbus"
       "--enable-sha1"
     ];
   
     preInstall = ''
  -    installFlagsArray+=("sysconfdir=$out/etc")
  +    installFlagsArray+=(
  +      "dbussystemdir=$out/etc/dbus-1"
  +      "sysconfdir=$out/etc"
  +    )
     '';
   
     meta = with stdenv.lib; {
  
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: { stdenv
  , fetchurl
  , which
  
  , glib
  , ipset
  , iptables
  , libnfnetlink
  