diff --git a/sys/conf/Makefile.i386 b/sys/conf/Makefile.i386
index 6292ba04225b..81c41ec7f6df 100644
--- a/sys/conf/Makefile.i386
+++ b/sys/conf/Makefile.i386
@@ -1,7 +1,7 @@
 # Makefile.i386 -- with config changes.
 # Copyright 1990 W. Jolitz
 #	from: @(#)Makefile.i386	7.1 5/10/91
-#	$Id: Makefile.i386,v 1.105 1997/11/06 03:11:30 msmith Exp $
+#	$Id: Makefile.i386,v 1.106 1997/12/18 21:03:04 bde Exp $
 #
 # Makefile for FreeBSD
 #
@@ -183,6 +183,9 @@ depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
 	rm -f .depend
 	mv -f .newdep .depend
 
+cleandepend:
+	rm -f .depend
+
 links:
 	egrep '#if' ${CFILES:Nswapkernel.c} | sed -f $S/conf/defines | \
 	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
@@ -199,16 +202,18 @@ install:
 		echo "You must first build your kernel before trying to install." ; \
 		exit 1 ; \
 	fi
-	chflags noschg /kernel
-	mv /kernel /kernel.old
+.if exists(${DESTDIR}/kernel)
+	chflags noschg ${DESTDIR}/kernel
+	mv ${DESTDIR}/kernel ${DESTDIR}/kernel.old
+.endif
 	PATH=$${PATH}:/sbin:/usr/sbin; \
-	if [ `sysctl -n kern.bootfile` = /kernel ] ; then \
-		sysctl -w kern.bootfile=/kernel.old ; \
+	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/kernel ] ; then \
+		sysctl -w kern.bootfile=${DESTDIR}/kernel.old ; \
 		if [ -f /var/db/kvm_kernel.db ] ; then \
 			mv -f /var/db/kvm_kernel.db /var/db/kvm_kernel.old.db ; \
 		fi \
 	fi
-	install -c -m 555 -o root -g wheel -fschg kernel /
+	install -c -m 555 -o root -g wheel -fschg kernel ${DESTDIR}/
 
 ioconf.o: ioconf.c $S/sys/param.h $S/sys/buf.h \
     ${I386}/isa/isa_device.h ${I386}/isa/isa.h ${I386}/isa/icu.h
diff --git a/sys/conf/Makefile.powerpc b/sys/conf/Makefile.powerpc
index 6292ba04225b..81c41ec7f6df 100644
--- a/sys/conf/Makefile.powerpc
+++ b/sys/conf/Makefile.powerpc
@@ -1,7 +1,7 @@
 # Makefile.i386 -- with config changes.
 # Copyright 1990 W. Jolitz
 #	from: @(#)Makefile.i386	7.1 5/10/91
-#	$Id: Makefile.i386,v 1.105 1997/11/06 03:11:30 msmith Exp $
+#	$Id: Makefile.i386,v 1.106 1997/12/18 21:03:04 bde Exp $
 #
 # Makefile for FreeBSD
 #
@@ -183,6 +183,9 @@ depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
 	rm -f .depend
 	mv -f .newdep .depend
 
+cleandepend:
+	rm -f .depend
+
 links:
 	egrep '#if' ${CFILES:Nswapkernel.c} | sed -f $S/conf/defines | \
 	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
@@ -199,16 +202,18 @@ install:
 		echo "You must first build your kernel before trying to install." ; \
 		exit 1 ; \
 	fi
-	chflags noschg /kernel
-	mv /kernel /kernel.old
+.if exists(${DESTDIR}/kernel)
+	chflags noschg ${DESTDIR}/kernel
+	mv ${DESTDIR}/kernel ${DESTDIR}/kernel.old
+.endif
 	PATH=$${PATH}:/sbin:/usr/sbin; \
-	if [ `sysctl -n kern.bootfile` = /kernel ] ; then \
-		sysctl -w kern.bootfile=/kernel.old ; \
+	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/kernel ] ; then \
+		sysctl -w kern.bootfile=${DESTDIR}/kernel.old ; \
 		if [ -f /var/db/kvm_kernel.db ] ; then \
 			mv -f /var/db/kvm_kernel.db /var/db/kvm_kernel.old.db ; \
 		fi \
 	fi
-	install -c -m 555 -o root -g wheel -fschg kernel /
+	install -c -m 555 -o root -g wheel -fschg kernel ${DESTDIR}/
 
 ioconf.o: ioconf.c $S/sys/param.h $S/sys/buf.h \
     ${I386}/isa/isa_device.h ${I386}/isa/isa.h ${I386}/isa/icu.h
diff --git a/sys/i386/conf/Makefile.i386 b/sys/i386/conf/Makefile.i386
index 6292ba04225b..81c41ec7f6df 100644
--- a/sys/i386/conf/Makefile.i386
+++ b/sys/i386/conf/Makefile.i386
@@ -1,7 +1,7 @@
 # Makefile.i386 -- with config changes.
 # Copyright 1990 W. Jolitz
 #	from: @(#)Makefile.i386	7.1 5/10/91
-#	$Id: Makefile.i386,v 1.105 1997/11/06 03:11:30 msmith Exp $
+#	$Id: Makefile.i386,v 1.106 1997/12/18 21:03:04 bde Exp $
 #
 # Makefile for FreeBSD
 #
@@ -183,6 +183,9 @@ depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
 	rm -f .depend
 	mv -f .newdep .depend
 
+cleandepend:
+	rm -f .depend
+
 links:
 	egrep '#if' ${CFILES:Nswapkernel.c} | sed -f $S/conf/defines | \
 	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
@@ -199,16 +202,18 @@ install:
 		echo "You must first build your kernel before trying to install." ; \
 		exit 1 ; \
 	fi
-	chflags noschg /kernel
-	mv /kernel /kernel.old
+.if exists(${DESTDIR}/kernel)
+	chflags noschg ${DESTDIR}/kernel
+	mv ${DESTDIR}/kernel ${DESTDIR}/kernel.old
+.endif
 	PATH=$${PATH}:/sbin:/usr/sbin; \
-	if [ `sysctl -n kern.bootfile` = /kernel ] ; then \
-		sysctl -w kern.bootfile=/kernel.old ; \
+	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/kernel ] ; then \
+		sysctl -w kern.bootfile=${DESTDIR}/kernel.old ; \
 		if [ -f /var/db/kvm_kernel.db ] ; then \
 			mv -f /var/db/kvm_kernel.db /var/db/kvm_kernel.old.db ; \
 		fi \
 	fi
-	install -c -m 555 -o root -g wheel -fschg kernel /
+	install -c -m 555 -o root -g wheel -fschg kernel ${DESTDIR}/
 
 ioconf.o: ioconf.c $S/sys/param.h $S/sys/buf.h \
     ${I386}/isa/isa_device.h ${I386}/isa/isa.h ${I386}/isa/icu.h