$OpenBSD: patch-lib_ipmi_isol_c,v 1.1 2016/05/08 08:13:04 sthen Exp $
--- lib/ipmi_isol.c.orig	Sat May  7 14:43:02 2016
+++ lib/ipmi_isol.c	Sat May  7 14:43:37 2016
@@ -30,6 +30,7 @@
  * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  */
 #define _XOPEN_SOURCE
+#define _BSD_SOURCE
 
 #include <stdlib.h>
 #include <string.h>
