libbytesize-dev.tcz
   libbytesize.tcz
      mpfr.tcz
         gmp.tcz
      pcre.tcz
   mpfr-dev.tcz
      mpfr.tcz
         gmp.tcz
      gmp-dev.tcz
         gmp.tcz
   pcre-dev.tcz
      pcre.tcz
      bzip2-dev.tcz
         bzip2.tcz
            bzip2-lib.tcz
      readline-dev.tcz
         readline.tcz
            ncursesw.tcz
         ncursesw-dev.tcz
            ncursesw.tcz