ghostscript.tcz
   libcups.tcz
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         dbus.tcz
            expat2.tcz
         gcc_libs.tcz
         glib2.tcz
            libffi.tcz
            pcre.tcz
               bzip2.tcz
                  bzip2-lib.tcz
      openssl-1.0.0.tcz
   liblcms2.tcz
   fontconfig.tcz
      expat2.tcz
      freetype.tcz
   libtiff.tcz
      libjpeg-turbo.tcz
   libpng.tcz