{stdenv, fetchurl}: stdenv.mkDerivation { name = "apache-ant-1.6.1"; builder = ./core-builder.sh; src = fetchurl { url = http://www.apache.org/dist/ant/binaries/apache-ant-1.6.1-bin.tar.bz2; md5 = "703d0265d05b98afd95be0bc21b98420"; }; }