In article <199901131320.VAA14507@b1.hkstar.com> c5666305@b1.hkstar.com (Chan Yiu Wah) writes:
>Hello,
>
>I recent updated my kernel with source tree upto 12 jan 1999 and found 
>the following error.  Can anyone help ?  thanks.
>
>Clarence
>
>======= Error =======
>cc  -O2 -Werror -Wall -Wmissing-prototypes -Wstrict-prototypes  -Wpointer-arith -Wno-main -I. -I../../../../arch -I../../../.. -nostdinc -DLKM -DDIAGNOSTIC -DEXT2FS_SYSTEM_FLAGS -DNS -DMAXUSERS=32 -D_KERNEL  -Di386  -c vers.c
>rm -f netbsd
>ld -z -Ttext F0100000 -e start -X -o netbsd ${SYSTEM_OBJ} vers.o
>in_proto.o: Undefined symbol `_ipip_input' referenced from data segment
>*** Error code 1
>

Yes, and I filed a PR about it. Add options IPIP in your kernel config file
for now.

christos