[CLEANUP] silent warning about LIST_* being redefined on OpenBSD
Building ev_kqueue on OpenBSD causes some warnings to occur,
because OpenBSD also uses LIST_* macros in sys/queue.h, included
from sys/event.h. Simply undefine those macros since we don't
need them.
diff --git a/include/common/mini-clist.h b/include/common/mini-clist.h
index caed2dc..9fe342d 100644
--- a/include/common/mini-clist.h
+++ b/include/common/mini-clist.h
@@ -19,6 +19,13 @@
struct list *p; /* prev */
};
+/* First undefine some macros which happen to also be defined on OpenBSD,
+ * in sys/queue.h, used by sys/event.h
+ */
+#undef LIST_HEAD
+#undef LIST_INIT
+#undef LIST_NEXT
+
#define LIST_HEAD(a) ((void *)(&(a)))
#define LIST_INIT(l) ((l)->n = (l)->p = (l))