{stdenv, fetchFromGitHub, jdk6, ant_1_7}: stdenv.mkDerivation rec {
    pname = "xerces";
    version = "2.6.2";
    outJar = "xercesImpl.jar";
    outName = "xercesImpl";

    src = fetchFromGitHub {
        owner = "apache";
        repo = "xerces-j";
        rev = "b5692ec46c5823be3f3908899c64cbd8ba9e4f2f";
        hash = "sha256-YzrBjetyb6zqBNwnSitf2YrhHUOECoNTLgkI2agHM8g=";
    };

    nativeBuildInputs = [jdk6 ant_1_7];

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

    buildPhase = ''
        ./build.sh jar
    '';

    installPhase = ''
        mkdir $out
        cp -r ./build/xercesImpl.jar $out/xercesImpl.jar
    '';
}