Index: fbsd-6/sys/conf/kern.pre.mk
===================================================================
--- fbsd-6.orig/sys/conf/kern.pre.mk
+++ fbsd-6/sys/conf/kern.pre.mk
@@ -76,7 +76,7 @@ CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KE
 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
 CFLAGS+= --param inline-unit-growth=100
 CFLAGS+= --param large-function-growth=1000
-WERROR?= -Werror
+WERROR?= -Wno-error
 .endif
 
 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
Index: fbsd-6/sys/conf/kmod.mk
===================================================================
--- fbsd-6.orig/sys/conf/kmod.mk
+++ fbsd-6/sys/conf/kmod.mk
@@ -73,7 +73,7 @@ CFLAGS:=	${CFLAGS:C/(-x[^M^K^W]+)[MKW]+|
 . if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
 CFLAGS+=	-fno-strict-aliasing
 . endif
-WERROR?=	-Werror
+WERROR?=	-Wno-error
 .endif
 CFLAGS+=	${WERROR}
 CFLAGS+=	-D_KERNEL