gst-plugins-base-dev.tcz
   gst-plugins-base.tcz
      gstreamer.tcz
         glib2.tcz
            gamin.tcz
            libffi.tcz
      liborc.tcz
      libffi5.tcz
   gstreamer-dev.tcz
      gstreamer.tcz
         glib2.tcz
            gamin.tcz
            libffi.tcz
      glib2-dev.tcz
         glib2.tcz
            gamin.tcz
            libffi.tcz
         gamin-dev.tcz
            gamin.tcz
         libffi-dev.tcz
            libffi.tcz
   liborc-dev.tcz
      liborc.tcz