ruby-2.0.tcz
   gdbm.tcz
   libedit.tcz
      ncurses.tcz
         ncurses-common.tcz
   libffi.tcz
   openssl-1.0.0.tcz
   tk.tcz
      Xorg-7.7-lib.tcz
         libxcb.tcz
      fontconfig.tcz
         expat2.tcz
      freetype.tcz
         bzip2-lib.tcz
      libpng.tcz
      tcl.tcz