 <ul>
            <li> <code>-DDEAL_II_WITH_GINKGO=ON</code>, to enable the Ginkgo library.
            <li> <code>-DGINKGO_DIR=<path_to_ginko></code>, to specify the path where Ginkgo has been installed.
        </ul>
    </p>

    <h3>Installing Ginkgo</h3>

    <p>
        Installing Ginkgo is quite simple. Ginkgo currently uses CMake and hence one can use
        the following commands to easily install Ginkgo. For different dependencies and compatible
        libraries, please refer to <a href="https:/