anchor.diff:  , glib
   , ipset
   , iptables
  +, json-c
   , libnfnetlink
   , libnl
   , net-snmp
  
positive.code:     "--enable-snmp-rfcv3"
      "--enable-dbus"
      "--enable-sha1"
    ];
  
    preInstall = ''
  
negative.code: 
    postPatch = ''
      sed -i 's,$(DESTDIR)/usr/share,$out/share,g' Makefile.in
  
      sed \
        -e 's,GENL_LIB=.*,GENL_LIB=nl-genl-3,' \
        -e 's,NL3_LIB=.*,NL3_LIB=nl-3,' \
        -e 's,ROUTE_LIB=.*,ROUTE_LIB=nl-route-3,' \
        -i configure
  
      cat configure
    '';
  
    configureFlags = [
      "--sysconfdir=/etc"
      "--localstatedir=/var"
      "--disable-silent-rules"
      "--enable-snmp"
      "--enable-snmp-vrrp"
      "--enable-snmp-checker"
  