cups-dev.tcz
   libcups.tcz
      libavahi.tcz
         dbus.tcz
            expat2.tcz
         gcc_libs.tcz
         glib2.tcz
            libffi.tcz
      openssl-1.0.0.tcz
   avahi-dev.tcz
      avahi.tcz
         libavahi.tcz
            dbus.tcz
               expat2.tcz
            gcc_libs.tcz
            glib2.tcz
               libffi.tcz
         libdaemon.tcz
         nss-mdns.tcz
         expat2.tcz
      dbus-dev.tcz
         dbus.tcz
            expat2.tcz
         expat2-dev.tcz
            expat2.tcz
      glib2-dev.tcz
         glib2.tcz
            libffi.tcz
         libffi-dev.tcz
         perl5.tcz
   openssl-1.0.0-dev.tcz
      openssl-1.0.0.tcz