curl-dev.tcz
   curl.tcz
      libssh2.tcz
         libssl-0.9.8.tcz
      libidn.tcz
         libiconv.tcz
   libssh2-dev.tcz
      libssh2.tcz
         libssl-0.9.8.tcz
      openssl-1.0.0-dev.tcz
         openssl-1.0.0.tcz
   libidn-dev.tcz
      libidn.tcz
         libiconv.tcz