+#define BACL_ENOTSUP EOPNOTSUPP
+#elif defined(HAVE_IRIX_OS)
+#define BACL_CAP (BACL_CAP_DEFAULTS|BACL_CAP_DEFAULTS_DIR)
+#define BACL_ENOTSUP ENOSYS
+#elif defined(HAVE_LINUX_OS)
+#define BACL_CAP (BACL_CAP_DEFAULTS|BACL_CAP_DEFAULTS_DIR)
+#define BACL_ENOTSUP ENOTSUP
+#elif defined(HAVE_OSF1_OS)
+#define BACL_CAP (BACL_CAP_DEFAULTS|BACL_CAP_DEFAULTS_DIR)
+/* #define BACL_ENOTSUP ENOTSUP */ /* Don't know */
+#define BACL_CAP (BACL_CAP_DEFAULTS|BACL_CAP_DEFAULTS_DIR)
+#elif defined(HAVE_SUN_OS)
+#define BACL_CAP BACL_CAP_DEFAULTS
+#else
+#define BACL_CAP BACL_CAP_NONE /* nothing special */