I have pulled over sources four times today.

/usr/src/sys/netinet6/ip6_input.c

cc   -O2 -Werror -Wall -Wno-main -Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes -Wno-uninitialized  -Di386 -I.  -I../../../../arch -I../../../.. -nostdinc -DLKM -DDIAGNOSTIC -DMAXUSERS=128 -D_KERNEL -D_KERNEL_OPT   -c /usr/src/sys/arch/i386/compile/ROOTHOG/../../../../netinet6/ip6_input.c
/usr/src/sys/arch/i386/compile/ROOTHOG/../../../../netinet6/ip6_input.c: In function `ip6_sysctl':
/usr/src/sys/arch/i386/compile/ROOTHOG/../../../../netinet6/ip6_input.c:1452: `ip6_gif_hlim' undeclared (first use in this function)
/usr/src/sys/arch/i386/compile/ROOTHOG/../../../../netinet6/ip6_input.c:1452: (Each undeclared identifier is reported only once
/usr/src/sys/arch/i386/compile/ROOTHOG/../../../../netinet6/ip6_input.c:1452: for each function it appears in.)
*** Error code 1

Stop.
make: stopped in /usr/src/sys/arch/i386/compile/ROOTHOG

-- 
Rick Kelly  rmk@rmkhome.com  www.rmkhome.com