--- configure.ac.orig	Mon Jul 20 18:29:53 2015
+++ configure.ac	Wed Oct 21 13:59:28 2015
@@ -699,7 +699,7 @@ case "$enable_cpuutil" in
 			enable_cpuutil="kstat - auto"
 			NETCPU_SOURCE="kstat"
 			;;
-                     *-*-freebsd[[4-8]].* | *-*-netbsd[[1-9]].* )
+                     *-*-freebsd[[4-8]].* | *-*-netbsd[[1-9]].* | *-*-openbsd* )
 			use_cpuutil=true
 			AC_DEFINE([USE_SYSCTL],,[Use MumbleBSD's sysctl interface to measure CPU util.])
 			enable_cpuutil="sysctl - auto"