+#else
+# define XBT_PUBLIC(type) __attribute__((visibility("default"))) type
+# define XBT_EXPORT_NO_IMPORT(type) __attribute__((visibility("default"))) type
+# define XBT_IMPORT_NO_EXPORT(type) __attribute__((visibility("default"))) type
+# define XBT_PUBLIC_DATA(type) extern __attribute__((visibility("default"))) type
+# define XBT_PUBLIC_CLASS class __attribute__((visibility("default")))
+
+#endif
+
+#ifdef __ELF__
+#define XBT_PRIVATE __attribute__((visibility("hidden")))
+#else
+#define XBT_PRIVATE