[releng_6 tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2006-10-16 05:15:49 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2006-10-16 05:15:49 - starting RELENG_6 tinderbox run for amd64/amd64
TB --- 2006-10-16 05:15:50 - cleaning the object tree
TB --- 2006-10-16 05:16:31 - checking out the source tree
TB --- 2006-10-16 05:16:31 - cd /tinderbox/RELENG_6/amd64/amd64
TB --- 2006-10-16 05:16:31 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -rRELENG_6 src
TB --- 2006-10-16 05:29:42 - building world (CFLAGS=-O2 -pipe)
TB --- 2006-10-16 05:29:42 - cd /src
TB --- 2006-10-16 05:29:42 - /usr/bin/make -B buildworld
>>> Rebuilding the temporary build tree
>>> stage 1.1: legacy release compatibility shims
>>> stage 1.2: bootstrap tools
>>> stage 2.1: cleaning up the object tree
>>> stage 2.2: rebuilding the object tree
>>> stage 2.3: build tools
>>> stage 3: cross tools
>>> stage 4.1: building includes
>>> stage 4.2: building libraries
>>> stage 4.3: make dependencies
>>> stage 4.4: building everything
>>> stage 5.1: building 32 bit shim libraries
TB --- 2006-10-16 06:43:33 - generating LINT kernel config
TB --- 2006-10-16 06:43:33 - cd /src/sys/amd64/conf
TB --- 2006-10-16 06:43:33 - /usr/bin/make -B LINT
TB --- 2006-10-16 06:43:33 - building LINT kernel (COPTFLAGS=-O2 -pipe)
TB --- 2006-10-16 06:43:33 - cd /src
TB --- 2006-10-16 06:43:33 - /usr/bin/make buildkernel KERNCONF=LINT
>>> Kernel build for LINT started on Mon Oct 16 06:43:33 UTC 2006
>>> stage 1: configuring the kernel
--------------------------------------------------------------
cd /src/sys/amd64/conf;  PATH=/obj/amd64/src/tmp/legacy/usr/sbin:/obj/amd64/src/tmp/legacy/usr/bin:/obj/amd64/src/tmp/legacy/usr/games:/obj/amd64/src/tmp/usr/sbin:/obj/amd64/src/tmp/usr/bin:/obj/amd64/src/tmp/usr/games:/sbin:/bin:/usr/sbin:/usr/bin  config  -d /obj/amd64/src/sys/LINT  /src/sys/amd64/conf/LINT
../../conf/files: compile-with must be optional, mandatory or standard
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2006-10-16 06:43:33 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2006-10-16 06:43:33 - ERROR: failed to build lint kernel
TB --- 2006-10-16 06:43:33 - tinderbox aborted
TB --- 1.06 user 3.01 system 5263.66 real