From 30ce7fee44c97a1a299567e28fa682d1c814c7d6 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 24 Oct 2011 18:35:16 +0000
Subject: [PATCH] Put in a temporary band-aid to fix kernel builds when
 CC=clang, after r226665.

---
 sys/conf/kern.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
index 9fc379f4dae..80997c558ce 100644
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -7,7 +7,7 @@ FREEBSD_GCC!=	${CC} --version | grep FreeBSD || true
 #
 # Warning flags for compiling the kernel and components of the kernel:
 #
-.if ${FREEBSD_GCC}
+.if defined(FREEBSD_GCC) && ${FREEBSD_GCC}
 # FreeBSD extensions, not available in upstream GCC
 format_extensions=	-fformat-extensions
 no_align_long_strings=	-mno-align-long-strings