From 37583470b2c0d0fd62e27d3a5b6c93808e5a53dd Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Tue, 4 Feb 2014 03:59:35 +0000
Subject: [PATCH] Add a prior version compat define.

---
 sys/conf/kern.mk | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
index 2939a59cb0b4..9ad0191c7293 100644
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -1,5 +1,8 @@
 # $FreeBSD$
 
+# Compat
+MK_FORMAT_EXTENSIONS?=no
+
 #
 # Warning flags for compiling the kernel and components of the kernel:
 #