[head tinderbox] failure on i386/pc98

[FreeBSD Tinderbox]

TB --- 2006-04-21 12:07:31 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2006-04-21 12:07:31 - starting HEAD tinderbox run for i386/pc98
TB --- 2006-04-21 12:07:31 - cleaning the object tree
TB --- 2006-04-21 12:08:00 - checking out the source tree
TB --- 2006-04-21 12:08:00 - cd /tinderbox/HEAD/i386/pc98
TB --- 2006-04-21 12:08:00 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -A src
TB --- 2006-04-21 12:14:24 - building world (CFLAGS=-O2 -pipe)
TB --- 2006-04-21 12:14:24 - cd /src
TB --- 2006-04-21 12:14:24 - /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
[...]
sh /src/tools/install.sh -C -o root -g wheel -m 444   libkiconv.a /obj/pc98/src/tmp/usr/lib
sh /src/tools/install.sh -s -o root -g wheel -m 444     libkiconv.so.2 /obj/pc98/src/tmp/lib
ln -fs /obj/pc98/src/tmp/lib/libkiconv.so.2  /obj/pc98/src/tmp/usr/lib/libkiconv.so
===> lib/libkvm (depend,all,install)
rm -f .depend
mkdep -f .depend -a    -DLIBC_SCCS -I/src/lib/libkvm /src/lib/libkvm/kvm.c /src/lib/libkvm/kvm_i386.c /src/lib/libkvm/kvm_file.c /src/lib/libkvm/kvm_getloadavg.c /src/lib/libkvm/kvm_getswapinfo.c /src/lib/libkvm/kvm_proc.c /src/lib/libkvm/kvm_minidump_i386.c
/src/lib/libkvm/kvm_minidump_i386.c:49:30: machine/minidump.h: No such file or directory
mkdep: compile failed
*** Error code 1

Stop in /src/lib/libkvm.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2006-04-21 12:26:43 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2006-04-21 12:26:43 - ERROR: failed to build world
TB --- 2006-04-21 12:26:43 - tinderbox aborted
TB --- 0.95 user 5.86 system 1152.62 real