[head tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2013-12-15 23:40:21 - tinderbox 2.20 running on freebsd-current.sentex.ca
TB --- 2013-12-15 23:40:21 - FreeBSD freebsd-current.sentex.ca 8.3-PRERELEASE FreeBSD 8.3-PRERELEASE #0: Mon Mar 26 13:54:12 EDT 2012     des at freebsd-current.sentex.ca:/usr/obj/usr/src/sys/GENERIC  amd64
TB --- 2013-12-15 23:40:21 - starting HEAD tinderbox run for amd64/amd64
TB --- 2013-12-15 23:40:21 - cleaning the object tree
TB --- 2013-12-15 23:48:42 - /usr/local/bin/svn stat /src
TB --- 2013-12-15 23:48:46 - At svn revision 259439
TB --- 2013-12-15 23:48:47 - building world
TB --- 2013-12-15 23:48:47 - CROSS_BUILD_TESTING=YES
TB --- 2013-12-15 23:48:47 - MAKEOBJDIRPREFIX=/obj
TB --- 2013-12-15 23:48:47 - PATH=/usr/bin:/usr/sbin:/bin:/sbin
TB --- 2013-12-15 23:48:47 - SRCCONF=/dev/null
TB --- 2013-12-15 23:48:47 - TARGET=amd64
TB --- 2013-12-15 23:48:47 - TARGET_ARCH=amd64
TB --- 2013-12-15 23:48:47 - TZ=UTC
TB --- 2013-12-15 23:48:47 - __MAKE_CONF=/dev/null
TB --- 2013-12-15 23:48:47 - cd /src
TB --- 2013-12-15 23:48:47 - /usr/bin/make -B buildworld
>>> Building an up-to-date make(1)
>>> World build started on Sun Dec 15 23:48:54 UTC 2013
>>> 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 .depend GPATH GRTAGS GSYMS GTAGS
===> usr.bin/jot (cleandir)
rm -f jot jot.o jot.1.gz jot.1.cat.gz
rm -f .depend GPATH GRTAGS GSYMS GTAGS
===> usr.bin/kdump (cleandir)
bmake[3]: "/src/usr.bin/kdump/Makefile" line 15: Malformed conditional (${MK_CASPER} != "no")
bmake[3]: Fatal errors encountered -- cannot continue
bmake[3]: stopped in /src/usr.bin/kdump
*** Error code 1

Stop.
bmake[2]: stopped in /src/usr.bin
*** Error code 1

Stop.
bmake[1]: stopped in /src
*** Error code 1

Stop.
bmake: stopped in /src
*** Error code 1

Stop in /src.
TB --- 2013-12-15 23:54:08 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2013-12-15 23:54:08 - ERROR: failed to build world
TB --- 2013-12-15 23:54:08 - 269.86 user 48.80 system 826.31 real


http://tinderbox.freebsd.org/tinderbox-head-build-HEAD-amd64-amd64.full