[releng_6 tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2008-08-23 09:21:47 - tinderbox 2.3 running on freebsd-legacy.sentex.ca
TB --- 2008-08-23 09:21:47 - starting RELENG_6 tinderbox run for amd64/amd64
TB --- 2008-08-23 09:21:47 - cleaning the object tree
TB --- 2008-08-23 09:22:16 - cvsupping the source tree
TB --- 2008-08-23 09:22:16 - /usr/bin/csup -r 3 -g -L 1 -h localhost -s /tinderbox/RELENG_6/amd64/amd64/supfile
TB --- 2008-08-23 09:22:24 - building world (CFLAGS=-O2 -pipe)
TB --- 2008-08-23 09:22:24 - cd /src
TB --- 2008-08-23 09:22:24 - /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
[...]
===> lib/libpam/modules/pam_rootok (buildincludes)
===> lib/libpam/modules/pam_securetty (buildincludes)
===> lib/libpam/modules/pam_self (buildincludes)
===> lib/libpam/modules/pam_ssh (buildincludes)
===> lib/libpam/modules/pam_tacplus (buildincludes)
===> lib/libpam/modules/pam_unix (buildincludes)
===> lib/libpam/libpam (buildincludes)
make: don't know how to make security/openpam_attr.h. Stop
*** Error code 2

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

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

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

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2008-08-23 09:29:47 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2008-08-23 09:29:47 - ERROR: failed to build world
TB --- 2008-08-23 09:29:47 - tinderbox aborted
TB --- 356.13 user 40.32 system 480.31 real


http://tinderbox.des.no/tinderbox-releng_6-RELENG_6-amd64-amd64.full