[head tinderbox] failure on sparc64/sparc64

TB --- 2012-10-20 15:48:13 - tinderbox 2.9 running on freebsd-current.sentex.ca
TB --- 2012-10-20 15:48:13 - 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 --- 2012-10-20 15:48:13 - starting HEAD tinderbox run for sparc64/sparc64
TB --- 2012-10-20 15:48:13 - cleaning the object tree
TB --- 2012-10-20 15:48:13 - checking out /src from svn://svn.freebsd.org/base/head
TB --- 2012-10-20 15:48:13 - cd /tinderbox/HEAD/sparc64/sparc64
TB --- 2012-10-20 15:48:13 - /usr/local/bin/svn cleanup /src
TB --- 2012-10-20 15:49:14 - /usr/local/bin/svn update /src
TB --- 2012-10-20 15:49:23 - At svn revision 241784
TB --- 2012-10-20 15:49:24 - building world
TB --- 2012-10-20 15:49:24 - CROSS_BUILD_TESTING=YES
TB --- 2012-10-20 15:49:24 - MAKEOBJDIRPREFIX=/obj
TB --- 2012-10-20 15:49:24 - PATH=/usr/bin:/usr/sbin:/bin:/sbin
TB --- 2012-10-20 15:49:24 - SRCCONF=/dev/null
TB --- 2012-10-20 15:49:24 - TARGET=sparc64
TB --- 2012-10-20 15:49:24 - TARGET_ARCH=sparc64
TB --- 2012-10-20 15:49:24 - TZ=UTC
TB --- 2012-10-20 15:49:24 - __MAKE_CONF=/dev/null
TB --- 2012-10-20 15:49:24 - cd /src
TB --- 2012-10-20 15:49:24 - /usr/bin/make -B buildworld
>>> Building an up-to-date make(1)
>>> World build started on Sat Oct 20 15:49:29 UTC 2012
>>> 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
[...]
===> usr.bin/m4 (depend)
yacc -d -o parser.c /src/usr.bin/m4/parser.y
lex -t  /src/usr.bin/m4/tokenizer.l > tokenizer.c
rm -f .depend
mkdep -f .depend -a    -DEXTENDED -I/src/usr.bin/m4/lib -std=gnu99   /src/usr.bin/m4/eval.c /src/usr.bin/m4/expr.c /src/usr.bin/m4/look.c /src/usr.bin/m4/main.c /src/usr.bin/m4/misc.c /src/usr.bin/m4/gnum4.c /src/usr.bin/m4/trace.c parser.c tokenizer.c /src/usr.bin/m4/lib/ohash_create_entry.c /src/usr.bin/m4/lib/ohash_delete.c /src/usr.bin/m4/lib/ohash_do.c /src/usr.bin/m4/lib/ohash_entries.c /src/usr.bin/m4/lib/ohash_enum.c /src/usr.bin/m4/lib/ohash_init.c /src/usr.bin/m4/lib/ohash_interval.c /src/usr.bin/m4/lib/ohash_lookup_interval.c /src/usr.bin/m4/lib/ohash_lookup_memory.c /src/usr.bin/m4/lib/ohash_qlookup.c /src/usr.bin/m4/lib/ohash_qlookupi.c
/src/usr.bin/m4/parser.y:26:18: error: mdef.h: No such file or directory
/src/usr.bin/m4/parser.y:27:20: error: extern.h: No such file or directory
mkdep: compile failed
*** [.depend] Error code 1

Stop in /src/usr.bin/m4.
*** [depend] Error code 1

Stop in /src/usr.bin.
*** [usr.bin.depend__D] Error code 1

Stop in /src.
*** [_depend] Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2012-10-20 16:23:15 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2012-10-20 16:23:15 - ERROR: failed to build world
TB --- 2012-10-20 16:23:15 - 1505.09 user 298.10 system 2102.31 real


http://tinderbox.freebsd.org/tinderbox-head-HEAD-sparc64-sparc64.full