IP Filter

Sorry is this not not correct place to mail this newbbie.

Has any one has problems in installing IPFilter I get a error

 5.2-RC2 FreeBSD 5.2-RC2 #0: Mon Dec 22 07:23:48 GMT 2003     root_at_wv1u.freebsd.org:/usr/obj/usr/src/sys/GENERIC  i386

-stack-boundary=2 -ffreestanding -Werror  /usr/src/sys/contrib/ipfilter/netinet/ip_fil.c
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c: In function `fr_check_wrapper':
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:319: error: `PFIL_OUT' undeclared (first use in this function)
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:319: error: (Each undeclared identifier is reported only once
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:319: error: for each function it appears in.)
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c: In function `fr_check_wrapper6':
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:329: error: `PFIL_OUT' undeclared (first use in this function)
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c: In function `iplattach':
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:376: warning: unused variable `ph_inet'
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:378: warning: unused variable `ph_inet6'
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c: At top level:
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:317: warning: `fr_check_wrapper' defined but not used
/usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:327: warning: `fr_check_wrapper6' defined but not used

Any help would be great