#if defined(HAVE_FREEBSD_OS)
#define BACL_CAP (BACL_CAP_DEFAULTS|BACL_CAP_DEFAULTS_DIR)
#define BACL_ENOTSUP EOPNOTSUPP
+#elif defined(HAVE_DARWIN_OS)
+#define BACL_CAP BACL_CAP_NONE
+#define BACL_ENOTSUP EOPNOTSUPP
#elif defined(HAVE_HPUX_OS)
#define BACL_CAP BACL_CAP_NONE
#define BACL_ENOTSUP EOPNOTSUPP