serf-dev.tcz
   serf.tcz
      openssl-1.0.0.tcz
      apr-util.tcz
         apr.tcz
         expat2.tcz
   openssl-1.0.0-dev.tcz
      openssl-1.0.0.tcz
   apr-util-dev.tcz
      apr-util.tcz
         apr.tcz
         expat2.tcz
      apr-dev.tcz
         apr.tcz
      expat2-dev.tcz
         expat2.tcz