--- libev/ev_kqueue.c	2011/06/04 05:33:29	1.51
+++ libev/ev_kqueue.c	2012/02/12 08:38:31	1.52
@@ -196,3 +196,6 @@
   fd_rearm_all (EV_A);
 }
 
+/* sys/event.h defines EV_ERROR */
+#undef EV_ERROR
+