{stdenv, fetchFromGitHub, jdk6, ant_1_7}: stdenv.mkDerivation rec {
    pname = "commons-lang";
    version = "2.0";
    outJar = "commons-lang-2.0.jar";

    src = fetchFromGitHub {
        owner = "apache";
        repo = pname;
        rev = "LANG_2_0";
        hash = "sha256-MMJG9xB5e51qo2iELH2qwuee0bEofHS5NVb0qgY5A5k=";
    };

    nativeBuildInputs = [jdk6 ant_1_7];

    env = {
        JAVA_HOME="${jdk6}";
    };

    buildPhase = ''
        ant dist
    '';

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