[head tinderbox] failure on sparc64/sparc64

TB --- 2006-02-27 12:32:35 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2006-02-27 12:32:35 - starting HEAD tinderbox run for sparc64/sparc64
TB --- 2006-02-27 12:32:35 - cleaning the object tree
TB --- 2006-02-27 12:33:01 - checking out the source tree
TB --- 2006-02-27 12:33:01 - cd /tinderbox/HEAD/sparc64/sparc64
TB --- 2006-02-27 12:33:01 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -A src
TB --- 2006-02-27 12:39:26 - building world (CFLAGS=-O2 -pipe)
TB --- 2006-02-27 12:39:26 - cd /src
TB --- 2006-02-27 12:39:26 - /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
[...]
===> share/doc/usd/20.meref (depend)
===> share/doc/usd/21.troff (depend)
===> share/doc/usd/22.trofftut (depend)
===> share/examples (depend)
===> share/examples/smbfs (depend)
===> share/examples/smbfs/print (depend)
===> share/examples/ipfilter (depend)
make: don't know how to make mkfilters.c. Stop
*** Error code 2

Stop in /src/share/examples.
*** Error code 1

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

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2006-02-27 13:11:04 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2006-02-27 13:11:04 - ERROR: failed to build world
TB --- 2006-02-27 13:11:04 - tinderbox aborted
TB --- 1.00 user 4.96 system 2309.07 real