try doing a clean build.
$ make cleandir && make depend && make 

it looks like a lib or 2 may be out of sync somewhere. 

 --joe 

Carleton, Sam (SCI TW) writes: 

> I am having another problem compiling the kernel.  Here is the output: 
> 
> making sure the compat library is up to date...
> `libcompat.a' is up to date.
> making sure the kern library is up to date...
> `libkern.o' is up to date.
> sh ../../../../conf/newvers.sh
> cc  -O2 -Werror -Wall -Wmissing-prototypes -Wstrict-prototypes
> -Wpointer-arith -Wno-uninitialized -Wno-main -I. -I../../../../arch
> -I../../../.. -nostdinc -DLKM -DIPSEC_DEBUG -DMAXUSERS=32 -D_KERNEL -Di386
> -c vers.c
> rm -f netbsd
> ld -Ttext c0100000 -e start -X -o netbsd ${SYSTEM_OBJ} vers.o
> svr4_misc.o: In function `svr4_sys_sysconfig':
> svr4_misc.o(.text+0xd6d): undefined reference to `msginfo'
> svr4_misc.o(.text+0xd79): undefined reference to `seminfo'
> svr4_misc.o(.text+0xd85): undefined reference to `seminfo'
> *** Error code 1 
> 
> Stop. 
> 
> Sam 
>