Index: head/usr.sbin/config/Makefile
===================================================================
--- head/usr.sbin/config/Makefile	(revision 307966)
+++ head/usr.sbin/config/Makefile	(revision 307967)
@@ -1,22 +1,27 @@
 # 	@(#)Makefile	8.1 (Berkeley) 6/6/93
 # $FreeBSD$
 
+SRCDIR:=${.PARSEDIR:tA}
+
 PROG=	config
 MAN=	config.5 config.8
 SRCS=	config.y main.c lang.l mkmakefile.c mkheaders.c \
 	mkoptions.c y.tab.h kernconf.c
 
+FILE2C?=file2c
+
 kernconf.c: kernconf.tmpl
-	file2c 'char kernconfstr[] = {' ',0};' < ${.CURDIR}/kernconf.tmpl > kernconf.c
+	${FILE2C} 'char kernconfstr[] = {' ',0};' < \
+	    ${SRCDIR}/kernconf.tmpl > kernconf.c
 
-CFLAGS+= -I. -I${.CURDIR}
+CFLAGS+= -I. -I${SRCDIR}
 
 NO_WMISSING_VARIABLE_DECLARATIONS=
 
 LIBADD=	l sbuf
 
 CLEANFILES+=	kernconf.c
 
 mkmakefile.o: configvers.h
 
 .include <bsd.prog.mk>