{stdenv, fetchzip}: stdenv.mkDerivation rec {
    pname = "byacc";
    version = "1.15";
    outJar = "commons-digester.jar";

    src = fetchzip {
        url = "https://master.dl.sourceforge.net/project/byaccj/byaccj/1.13/byaccj1.13_src.tar.gz";
        hash = "sha256-gOct06sOtDmg60aHtOKIZ+KTEE6x45UYIa57GRCTefY=";
    };

    env = {
        NIX_CFLAGS_COMPILE="-Wno-implicit-function-declaration";
    };

    buildPhase = ''
        cd src
        make
    '';

    installPhase = ''
        mkdir $out
        cp -r ./yacc.irix $out/yacc
    '';
}