6.0-CURRENT ppp build failed with NONETGRAPH

hi,list.build ppp failed with -DNONETGRAPH today.any ideas? follows the
error msgs:

> # make -DNONETGRAPH
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/acf.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/arp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/async.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/auth.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/bundle.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/cbcp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/ccp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/chap.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/chat.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/command.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/datalink.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/deflate.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/defs.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/exec.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/filter.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/fsm.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/hdlc.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/iface.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/ip.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/ipcp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/ipv6cp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/iplist.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/lcp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/link.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/log.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/lqr.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/main.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/mbuf.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/mp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/ncp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/ncpaddr.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/pap.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/physical.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/pred.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/probe.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/prompt.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/proto.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/route.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/server.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/sig.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/slcompress.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/sync.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/systems.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/tcp.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/tcpmss.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/throughput.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/timer.c
> cc -O -pipe -DNONETGRAPH -Wsystem-headers -Werror -Wall
> -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wno-uninitialized -c /usr/src/usr.sbin/ppp/tty.c
> /usr/src/usr.sbin/ppp/tty.c:577: warning: unused parameter 'auxfd'
> /usr/src/usr.sbin/ppp/tty.c:577: warning: unused parameter 'nauxfd'
> /usr/src/usr.sbin/ppp/tty.c:626: warning: unused parameter 'auxfd'
> /usr/src/usr.sbin/ppp/tty.c:626: warning: unused parameter 'nauxfd'
> *** Error code 1
>
> Stop in /usr/src/usr.sbin/ppp.