guile-dev.tcz
   gc-dev.tcz
      libatomic_ops.tcz
      gc.tcz
         libatomic_ops.tcz
   gmp-dev.tcz
      gmp.tcz
   libtool-dev.tcz
      libtool.tcz
         libltdl.tcz
   libunistring-dev.tcz
      libunistring.tcz
   readline-dev.tcz
      readline.tcz
         ncurses.tcz
   guile.tcz
      gc.tcz
         libatomic_ops.tcz
      gmp.tcz
      libltdl.tcz
      libunistring.tcz
      readline.tcz
         ncurses.tcz