#define HAVE_EPOLL 1
#endif
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__)
+#if (defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_6)) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (__NetBSD__)
#define HAVE_KQUEUE 1
#endif