{stdenv, fetchzip, jamvm_1_5_1, ecj, fastjar}: stdenv.mkDerivation rec {
    pname = "gnu-classpath";
    version = "0.98";

    src = fetchzip {
        url = "ftp.gnu.org/gnu/classpath/classpath-${version}.tar.gz";
        hash = "sha256-mDwSNFh6KFKHydkoMS5Dl1ti7zUIozixjK6IhLbn5r8=";
    };

    nativeBuildInputs = [jamvm_1_5_1 ecj fastjar];

    env = {
        NIX_CFLAGS_COMPILE="-Wno-stringop-truncation";
    };

    configureFlags = ["--disable-gtk-peer" "--disable-gconf-peer" "--disable-plugin" "--disable-gjdoc"];

    /*postInstall = ''
        mkdir -p $out/jre/lib
        ln -s $out/share/classpath/tools.zip $out/lib/tools.jar
        ln -s $out/share/classpath/glibj.zip $out/jre/lib/rt.jar

        cat << 'EOF' > $out/bin/javac
#!/bin/bash
exec ${ecj}/bin/ecj -bootclasspath $out/share/classpath/glibj.zip "$@"
EOF
        sed -i "s|\$out|$out|g" $out/bin/javac
        chmod +x $out/bin/javac

        cat << 'EOF' > $out/bin/java
#!/bin/bash
exec jamvm "$@"
EOF
        chmod +x $out/bin/java
    '';*/
}