$OpenBSD: patch-src_include_R_ext_eventloop_h,v 1.3 2012/10/29 11:07:29 dcoppa Exp $
--- src/include/R_ext/eventloop.h.orig	Wed Aug 15 00:05:06 2012
+++ src/include/R_ext/eventloop.h	Fri Oct 26 10:05:45 2012
@@ -33,6 +33,7 @@
 #endif
 /* NOTE: Needed at least on FreeBSD so that fd_set is defined. */
 # include <sys/types.h>
+# include <sys/time.h>
 #endif
 
 #ifdef  __cplusplus
