{stdenv, fetchFromGitHub, jdk6, ant_1_7, commons-logging_1_0, junit_3_8_1}: stdenv.mkDerivation rec {
    pname = "commons-jexl";
    version = "1.0-beta-1";
    outJar = "commons-jexl-1.0-beta-1.jar";

    src = fetchFromGitHub {
        owner = "apache";
        repo = pname;
        rev = "2719b21d4d6c7a537caff8cd85d15d9f49ec4c64";
        hash = "sha256-WTNrr/ETHzc+68L0Zf87ursmfoodjuc7F02p4MIc7mQ=";
    };

    patches = [./commons-jexl.patch];

    nativeBuildInputs = [jdk6 ant_1_7];

    env = {
        JAVA_HOME="${jdk6}";
        CLASSPATH="${commons-logging_1_0}/commons-logging.jar:${junit_3_8_1}/junit.jar";
    };

    buildPhase = ''
        ant dist
    '';

    installPhase = ''
        mkdir $out
        cp -r ./dist/* $out/
    '';
}