[releng_6 tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2006-09-07 19:54:22 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2006-09-07 19:54:22 - starting RELENG_6 tinderbox run for amd64/amd64
TB --- 2006-09-07 19:54:22 - cleaning the object tree
TB --- 2006-09-07 19:55:01 - checking out the source tree
TB --- 2006-09-07 19:55:01 - cd /tinderbox/RELENG_6/amd64/amd64
TB --- 2006-09-07 19:55:01 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -rRELENG_6 src
TB --- 2006-09-07 20:05:00 - building world (CFLAGS=-O2 -pipe)
TB --- 2006-09-07 20:05:00 - cd /src
TB --- 2006-09-07 20:05:00 - /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
[...]
echo getty: /obj/amd64/src/tmp/usr/lib/libc.a /obj/amd64/src/tmp/usr/lib/libutil.a >> .depend
===> libexec/lukemftpd (depend)
yacc  -o ftpcmd.c /src/libexec/lukemftpd/../../contrib/lukemftpd/src/ftpcmd.y
sed -e 's/^main(/ls_main(/g' -e 's,extern.h,../../bin/ls/extern.h,'  /src/libexec/lukemftpd/../../bin/ls/ls.c > ls-unmain.c
rm -f .depend
mkdep -f .depend -a    -I/src/libexec/lukemftpd -I/src/libexec/lukemftpd/../../contrib/lukemftpd -I/src/libexec/lukemftpd/../../contrib/lukemftpd/src -I/src/libexec/lukemftpd/../../lib/libc/stdtime -I/src/libexec/lukemftpd/../../bin/ls -DUSE_OPIE -DLOGIN_CAP -DUSE_PAM /src/libexec/lukemftpd/../../contrib/lukemftpd/src/cmds.c /src/libexec/lukemftpd/../../contrib/lukemftpd/src/conf.c /src/libexec/lukemftpd/../../contrib/lukemftpd/src/ftpd.c ftpcmd.c /src/libexec/lukemftpd/../../contrib/lukemftpd/src/popen.c /src/libexec/lukemftpd/../../contrib/lukemftpd/libnetbsd/strsuftoll.c ls-unmain.c /src/libexec/lukemftpd/../../bin/ls/cmp.c /src/libexec/lukemftpd/../../bin/ls/print.c /src/libexec/lukemftpd/../../bin/ls/util.c
/src/libexec/lukemftpd/../../contrib/lukemftpd/src/ftpd.c:182:26: nbsd_pidfile.h: No such file or directory
mkdep: compile failed
*** Error code 1

Stop in /src/libexec/lukemftpd.
*** Error code 1

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

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2006-09-07 20:35:16 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2006-09-07 20:35:16 - ERROR: failed to build world
TB --- 2006-09-07 20:35:16 - tinderbox aborted
TB --- 1.31 user 7.02 system 2454.66 real