breakage in current as of 01:25 gmt

cc -O -pipe -march=pentiumpro -I/usr/src/lib/libtelnet/../../contrib/telnet -DENCRYPTION -DAUTHENTICATION -DSRA  -c /usr/src/lib/libtelnet/../../contrib/telnet/libtelnet/enc_des.c
cc -O -pipe -march=pentiumpro -I/usr/src/lib/libtelnet/../../contrib/telnet -DENCRYPTION -DAUTHENTICATION -DSRA  -c /usr/src/lib/libtelnet/../../contrib/telnet/libtelnet/sra.c
cc -O -pipe -march=pentiumpro -I/usr/src/lib/libtelnet/../../contrib/telnet -DENCRYPTION -DAUTHENTICATION -DSRA  -c /usr/src/lib/libtelnet/../../contrib/telnet/libtelnet/pk.c
building static telnet library
ranlib libtelnet.a
===> lib/libthr (all)
cc -O -pipe -march=pentiumpro -DPTHREAD_KERNEL -D_THREAD_SAFE -I/usr/src/lib/libthr/../libc/include -I/usr/src/lib/libthr/thread  -I/usr/src/lib/libthr/../../include -I/usr/src/lib/libthr/../../libexec/rtld-elf -D_PTHREADS_INVARIANTS -g -Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /usr/src/lib/libthr/thread/thr_atfork.c
In file included from /usr/src/lib/libthr/thread/thr_private.h:72,
                 from /usr/src/lib/libthr/thread/thr_atfork.c:36:
/usr/obj/usr/src/i386/usr/include/sys/umtx.h: In function `umtx_wait':
/usr/obj/usr/src/i386/usr/include/sys/umtx.h:118: warning: passing arg 5 of `_umtx_op' discards qualifiers from pointer target type
*** Error code 1

Stop in /usr/src/lib/libthr.
*** Error code 1