[head tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2006-03-24 19:45:40 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2006-03-24 19:45:40 - starting HEAD tinderbox run for amd64/amd64
TB --- 2006-03-24 19:45:40 - cleaning the object tree
TB --- 2006-03-24 19:46:16 - checking out the source tree
TB --- 2006-03-24 19:46:16 - cd /tinderbox/HEAD/amd64/amd64
TB --- 2006-03-24 19:46:16 - /usr/bin/cvs -f -R -q -d/home/ncvs update -Pd -A src
TB --- 2006-03-24 19:53:28 - building world (CFLAGS=-O2 -pipe)
TB --- 2006-03-24 19:53:28 - cd /src
TB --- 2006-03-24 19:53:28 - /usr/bin/make -B buildworld
"/src/Makefile.inc1", line 463: Malformed conditional (${TARGET_ARCH} == "amd64" && ${MK_LIB32} != "no")
"/src/Makefile.inc1", line 465: if-less endif
"/src/Makefile.inc1", line 564: Malformed conditional (${TARGET_ARCH} == "amd64" && ${MK_LIB32} != "no")
"/src/Makefile.inc1", line 566: if-less endif
"/src/Makefile.inc1", line 573: Malformed conditional (${TARGET_ARCH} == "amd64" && ${MK_LIB32} != "no")
"/src/Makefile.inc1", line 575: if-less endif
make: fatal errors encountered -- cannot continue
*** Error code 1

Stop in /src.
TB --- 2006-03-24 19:53:29 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2006-03-24 19:53:29 - ERROR: failed to build world
TB --- 2006-03-24 19:53:29 - tinderbox aborted
TB --- 1.63 user 6.55 system 468.91 real