libopenraw.tcz
   gdk-pixbuf2.tcz
      glib2.tcz
         libffi.tcz
         pcre.tcz
      libtiff.tcz
         libjpeg-turbo.tcz
      libpng.tcz
      libX11.tcz
         libxcb.tcz
            libXau.tcz
            libXdmcp.tcz