[head tinderbox] failure on powerpc/powerpc

[FreeBSD Tinderbox]

TB --- 2011-10-05 22:46:20 - tinderbox 2.8 running on freebsd-current.sentex.ca
TB --- 2011-10-05 22:46:20 - starting HEAD tinderbox run for powerpc/powerpc
TB --- 2011-10-05 22:46:20 - cleaning the object tree
TB --- 2011-10-05 22:46:30 - cvsupping the source tree
TB --- 2011-10-05 22:46:30 - /usr/bin/csup -z -r 3 -g -L 1 -h cvsup.sentex.ca /tinderbox/HEAD/powerpc/powerpc/supfile
TB --- 2011-10-05 22:46:42 - building world
TB --- 2011-10-05 22:46:42 - CROSS_BUILD_TESTING=YES
TB --- 2011-10-05 22:46:42 - MAKEOBJDIRPREFIX=/obj
TB --- 2011-10-05 22:46:42 - PATH=/usr/bin:/usr/sbin:/bin:/sbin
TB --- 2011-10-05 22:46:42 - SRCCONF=/dev/null
TB --- 2011-10-05 22:46:42 - TARGET=powerpc
TB --- 2011-10-05 22:46:42 - TARGET_ARCH=powerpc
TB --- 2011-10-05 22:46:42 - TZ=UTC
TB --- 2011-10-05 22:46:42 - __MAKE_CONF=/dev/null
TB --- 2011-10-05 22:46:42 - cd /src
TB --- 2011-10-05 22:46:42 - /usr/bin/make -B buildworld
>>> World build started on Wed Oct  5 22:46:43 UTC 2011
>>> 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
>>> stage 4.4: building everything
[...]
cc -O2 -pipe  -I/src/usr.bin/grep/regex -I/usr/include/gnu -std=gnu99 -fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -c /src/usr.bin/grep/util.c
cc -O2 -pipe  -I/src/usr.bin/grep/regex -I/usr/include/gnu -std=gnu99 -fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -c /src/usr.bin/grep/regex/fastmatch.c
cc -O2 -pipe  -I/src/usr.bin/grep/regex -I/usr/include/gnu -std=gnu99 -fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -c /src/usr.bin/grep/regex/hashtable.c
cc -O2 -pipe  -I/src/usr.bin/grep/regex -I/usr/include/gnu -std=gnu99 -fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -c /src/usr.bin/grep/regex/tre-compile.c
cc -O2 -pipe  -I/src/usr.bin/grep/regex -I/usr/include/gnu -std=gnu99 -fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -c /src/usr.bin/grep/regex/tre-fastmatch.c
cc1: warnings being treated as errors
/src/usr.bin/grep/regex/tre-fastmatch.c: In function 'tre_match_fast':
/src/usr.bin/grep/regex/tre-fastmatch.c:961: warning: comparison of unsigned expression < 0 is always false
*** Error code 1

Stop in /src/usr.bin/grep.
*** Error code 1

Stop in /src/usr.bin.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2011-10-06 00:33:56 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2011-10-06 00:33:56 - ERROR: failed to build world
TB --- 2011-10-06 00:33:57 - 5142.78 user 921.96 system 6456.77 real


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