buildworld has been broken for me since Sunday 20110815 at atrun

Is anyone else seeing this?  This is current AMD64.  I'm running the  
compile from Saturday 20110814 that I have been hammering and it has  
been rock solid.

# uname -a
FreeBSD home.encontacto.net 9.0-BETA1 FreeBSD 9.0-BETA1 #16: Sat Aug  
13 05:09:17 CDT 2011      
root_at_Home.EnContacto.net:/usr/obj/usr/src/sys/ENCONTACTO  amd64

This morning I started with a make clean to be sure and recompile all  
just in case and the same.

===> lib/clang/include (all)
===> libexec (all)
===> libexec/atrun (all)
cc -O2 -pipe  -DATJOB_DIR=\"/var/at/jobs/\"   
-DLFILE=\"/var/at/jobs/.lockfile\"  -DLOADAVG_MX=1.5  
-DATSPOOL_DIR=\"/var/at/spool\"  -DVERSION=\"2.9\" -DDAEMON_UID=1  
-DDAEMON_GID=1  -DDEFAULT_BATCH_QUEUE=\'E\'  -DDEFAULT_AT_QUEUE=\'c\'  
-DPERM_PATH=\"/var/at/\" -I/usr/src/libexec/atrun/../../usr.bin/at  
-I/usr/src/libexec/atrun -DLOGIN_CAP -DPAM -std=gnu99  
-fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k  
-Wno-uninitialized -Wno-pointer-sign -c /usr/src/libexec/atrun/atrun.c
cc -O2 -pipe  -DATJOB_DIR=\"/var/at/jobs/\"   
-DLFILE=\"/var/at/jobs/.lockfile\"  -DLOADAVG_MX=1.5  
-DATSPOOL_DIR=\"/var/at/spool\"  -DVERSION=\"2.9\" -DDAEMON_UID=1  
-DDAEMON_GID=1  -DDEFAULT_BATCH_QUEUE=\'E\'  -DDEFAULT_AT_QUEUE=\'c\'  
-DPERM_PATH=\"/var/at/\" -I/usr/src/libexec/atrun/../../usr.bin/at  
-I/usr/src/libexec/atrun -DLOGIN_CAP -DPAM -std=gnu99  
-fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k  
-Wno-uninitialized -Wno-pointer-sign -c  
/usr/src/libexec/atrun/gloadavg.c
cc -O2 -pipe  -DATJOB_DIR=\"/var/at/jobs/\"   
-DLFILE=\"/var/at/jobs/.lockfile\"  -DLOADAVG_MX=1.5  
-DATSPOOL_DIR=\"/var/at/spool\"  -DVERSION=\"2.9\" -DDAEMON_UID=1  
-DDAEMON_GID=1  -DDEFAULT_BATCH_QUEUE=\'E\'  -DDEFAULT_AT_QUEUE=\'c\'  
-DPERM_PATH=\"/var/at/\" -I/usr/src/libexec/atrun/../../usr.bin/at  
-I/usr/src/libexec/atrun -DLOGIN_CAP -DPAM -std=gnu99  
-fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k  
-Wno-uninitialized -Wno-pointer-sign  -o atrun atrun.o gloadavg.o  
-lpam -lutil
/usr/obj/usr/src/tmp/usr/lib/libc.so: undefined reference to `_nsyylex'
/usr/obj/usr/src/tmp/usr/lib/libc.so: undefined reference to `_nsyyin'
/usr/obj/usr/src/tmp/usr/lib/libc.so: undefined reference to `_nsyytext'
/usr/obj/usr/src/tmp/usr/lib/libc.so: undefined reference to `_nsyyerror'
/usr/obj/usr/src/tmp/usr/lib/libc.so: undefined reference to `_nsyylineno'
*** Error code 1

Stop in /usr/src/libexec/atrun.
*** Error code 1

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

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

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

Stop in /usr/src.
(END)

Thanks,

ed