* OpenJDK is reported to call MacOS X "Darwin"
     *
     * @see <a href="https://issues.apache.org/bugzilla/show_bug.cgi?id=44889">bugzilla issue</a>
     * @see <a href="https://issues.apache.org/jira/browse/HADOOP-3318">HADOOP-3318</a>
     */
    private static final String DARWIN = "darwin";

    /**
     * The path separator.
     */
    private static final String PATH_SEP = System.getProperty("path.separator");

    log-det-jacobian.
*   Fix `tf.random_gamma` incorrectly handling non-batch, scalar draws.
*   Resolved a race condition in TensorForest TreePredictionsV4Op.
*   Google Cloud Storage file system, Amazon S3 file system, and Hadoop file
    system support are now default build options.
*   Custom op libraries must link against libtensorflow_framework.so (installed
    at `tf.sysconfig.get_lib()`).