anchor.diff:  #
   #  libmng = callPackage ../development/libraries/libmng { };
   #
  -#  libmnl = callPackage ../development/libraries/libmnl { };
  +  libmnl = callPackage ../development/libraries/libmnl { };
   #
   #  libmodplug = callPackage ../development/libraries/libmodplug {};
   #
  
positive.code: #
  #  libnet = callPackage ../development/libraries/libnet { };
  #
  #  libnetfilter_conntrack = callPackage ../development/libraries/libnetfilter_conntrack { };
  #
  #  libnetfilter_cthelper = callPackage ../development/libraries/libnetfilter_cthelper { };
  #
  
negative.code: #
  #  libnetfilter_queue = callPackage ../development/libraries/libnetfilter_queue { };
  #
    libnfnetlink = callPackage ../development/libraries/libnfnetlink { };
  #
  #  libnftnl = callPackage ../development/libraries/libnftnl { };
  #
  