This script symlinks /boot/kernel to the directory that contains the kernel

you booted from, unless /boot/kernel already exists and is not a symlink.
This should only affect people like me who juggle multiple kernels and
have KODIR = /boot/${KERN_IDENT} in /etc/make.conf to keep them apart.

etc/rc.d/Makefile

@@ -18,7 +18,7 @@ FILES=	DAEMON LOGIN NETWORKING SERVERS \
 	ip6addrctl ip6fw ipfilter ipfs ipfw ipmon \
 	ipnat ipsec ipxrouted isdnd \
 	jail \
-	kadmind kerberos keyserv kldxref kpasswdd \
+	kadmind kerberos kernel keyserv kldxref kpasswdd \
 	ldconfig local localpkg lpd \
 	mixer motd mountcritlocal mountcritremote \
 	mountd moused mroute6d mrouted msgs \

etc/rc.d/kernel

@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+# PROVIDE: kernel
+# REQUIRE: mountcritremote
+# KEYWORD: nojail
+
+. /etc/rc.subr
+
+name="kernel"
+start_cmd="kernel_start"
+stop_cmd=":"
+
+kernel_start()
+{
+	bootdir=$(dirname $(sysctl -n kern.bootfile))
+	if [ ! -e /boot/kernel -o -h /boot/kernel ] ; then
+		ln -hfs ${bootdir} /boot/kernel
+	fi
+}
+
+load_rc_config $name
+run_rc_command "$1"