loudmouth-dev.tcz
   glib2-dev.tcz
      glib2.tcz
         libffi.tcz
      libffi-dev.tcz
      perl5.tcz
   libasyncns-dev.tcz
   libiconv-dev.tcz
      libiconv.tcz
   libidn-dev.tcz
      libidn.tcz
         libiconv.tcz