libcups.tcz
   libavahi.tcz
      dbus.tcz
         expat2.tcz
      gcc_libs.tcz
      glib2.tcz
         libffi.tcz
   gnutls3.6.tcz
      nettle3.tcz
         gmp.tcz
      p11-kit.tcz
         libffi.tcz
         libtasn1.tcz
      libidn2.tcz
         libunistring.tcz
         ncursesw.tcz