adding new device to base system

[jerry at evasefor.com]

Hello list,
I am trying to add a new directory (NIC) to my base system (FreeBSD5.4)
to support an experimental card. But I have this error trying to build
the kernel.

--------------------------------------------------------------
>>> Kernel build for TARTAR started on Mon Oct 17 09:48:55 PDT 2005
--------------------------------------------------------------
===> TARTAR
mkdir -p /usr/obj/usr/src/sys

--------------------------------------------------------------
>>> stage 1: configuring the kernel
--------------------------------------------------------------
cd /usr/src/sys/i386/conf; 
PATH=/usr/obj/usr/src/i386/legacy/usr/sbin:/usr/obj/usr/src/i386/legacy/usr/bin:/usr/obj/usr/src/i386/legacy/usr/games:/usr/obj/usr/src/i386/usr/sbin:/usr/obj/usr/src/i386/usr/bin:/usr/obj/usr/src/i386/usr/games:/sbin:/bin:/usr/sbin:/usr/bin
 config  -d /usr/obj/usr/src/sys/TARTAR  /usr/src/sys/i386/conf/TARTAR
../../conf/files: FreeBSD: must be count, optional, mandatory or
standard
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.



I have created /usr/src/sys/dev/tartar and put all it's source code
there.

in my kernel file I have added:
device  tartar

in /sys/conf/files:
dev/tartar/if_tartar.c    optional tartar pci

Why the error message? Same thing even with GENERIC.
Thank you,
Jerry