[current tinderbox] failure on alpha/alpha

[FreeBSD Tinderbox]

TB --- 2005-04-30 06:30:00 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2005-04-30 06:30:00 - starting CURRENT tinderbox run for alpha/alpha
TB --- 2005-04-30 06:30:00 - checking out the source tree
TB --- 2005-04-30 06:30:00 - cd /home/tinderbox/CURRENT/alpha/alpha
TB --- 2005-04-30 06:30:00 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -A src
TB --- 2005-04-30 06:36:27 - building world (CFLAGS=-O2 -pipe)
TB --- 2005-04-30 06:36:27 - cd /home/tinderbox/CURRENT/alpha/alpha/src
TB --- 2005-04-30 06:36:27 - /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
[...]
rm -f init init.o init.8.gz init.8.cat.gz
rm -f .depend GPATH GRTAGS GSYMS GTAGS
===> sbin/ip6fw (cleandir)
rm -f ip6fw ip6fw.o ip6fw.8.gz ip6fw.8.cat.gz
rm -f .depend GPATH GRTAGS GSYMS GTAGS
===> sbin/ipf (cleandir)
".depend", line 275: Inconsistent operator for ipf
make: fatal errors encountered -- cannot continue
*** Error code 1

Stop in /tinderbox/CURRENT/alpha/alpha/src/sbin.
*** Error code 1

Stop in /tinderbox/CURRENT/alpha/alpha/src.
*** Error code 1

Stop in /tinderbox/CURRENT/alpha/alpha/src.
*** Error code 1

Stop in /tinderbox/CURRENT/alpha/alpha/src.
TB --- 2005-04-30 06:37:34 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2005-04-30 06:37:34 - ERROR: failed to build world
TB --- 2005-04-30 06:37:34 - tinderbox aborted