[head tinderbox] failure on armv6/arm

[FreeBSD Tinderbox]

TB --- 2014-03-05 01:30:18 - tinderbox 2.20 running on freebsd-current.sentex.ca
TB --- 2014-03-05 01:30:18 - 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 --- 2014-03-05 01:30:18 - starting HEAD tinderbox run for armv6/arm
TB --- 2014-03-05 01:30:18 - cleaning the object tree
TB --- 2014-03-05 01:30:18 - /usr/local/bin/svn stat /src
TB --- 2014-03-05 01:30:23 - At svn revision 262763
TB --- 2014-03-05 01:30:24 - building world
TB --- 2014-03-05 01:30:24 - CROSS_BUILD_TESTING=YES
TB --- 2014-03-05 01:30:24 - MAKEOBJDIRPREFIX=/obj
TB --- 2014-03-05 01:30:24 - PATH=/usr/bin:/usr/sbin:/bin:/sbin
TB --- 2014-03-05 01:30:24 - SRCCONF=/dev/null
TB --- 2014-03-05 01:30:24 - TARGET=arm
TB --- 2014-03-05 01:30:24 - TARGET_ARCH=armv6
TB --- 2014-03-05 01:30:24 - TZ=UTC
TB --- 2014-03-05 01:30:24 - __MAKE_CONF=/dev/null
TB --- 2014-03-05 01:30:24 - cd /src
TB --- 2014-03-05 01:30:24 - /usr/bin/make -B buildworld
>>> Building an up-to-date make(1)
>>> World build started on Wed Mar  5 01:30:30 UTC 2014
>>> 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
[...]
In file included from /src/lib/libc/net/getifaddrs.c:42:
/obj/arm.armv6/src/tmp/usr/include/net/route.h:128:13: error: field has incomplete type 'struct mtx'
        struct mtx      rt_mtx;         /* mutex for routing entry */
                        ^
/obj/arm.armv6/src/tmp/usr/include/net/route.h:128:9: note: forward declaration of 'struct mtx'
        struct mtx      rt_mtx;         /* mutex for routing entry */
               ^
1 error generated.
*** Error code 1

Stop.
bmake[3]: stopped in /src/lib/libc
*** Error code 1

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

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

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

Stop in /src.
TB --- 2014-03-05 02:43:34 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2014-03-05 02:43:34 - ERROR: failed to build world
TB --- 2014-03-05 02:43:34 - 3860.20 user 423.93 system 4395.93 real


http://tinderbox.freebsd.org/tinderbox-head-build-HEAD-armv6-arm.full