On Mon, 13 Feb 2006 14:45:09 +0100
Marcin Jessa <lists@yazzy.org> wrote:

> This error I get trying to build kernel from fresh today's sources.
> 
> #    create  vers.c
> sh /usr/src/sys/conf/newvers.sh
> #   compile  WIFIBSD_LIVE_CD/vers.o
> /usr/tools/bin/i386--netbsdelf-gcc   -ffreestanding   -Os -mcpu=i486
> -Werror -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith
> -Wmissing-prototypes -Wstrict-prototypes -Wreturn-type -Wswitch
> -Wshadow -Wcast-qual -Wwrite-strings -Wno-sign-compare
> -fno-zero-initialized-in-bss    -Di386 -I.  -I/usr/src/sys/arch
> -I/usr/src/sys -nostdinc -DTIMER_FREQ="1189200" -DVNODE_OP_NOINLINE
> -DDUMMY_NOPS -DPPPOE_SERVER -DMAXUSERS=32 -D_KERNEL -D_KERNEL_OPT
> -I/usr/src/sys/lib/libkern/../../../common/lib/libc/quad
> -I/usr/src/sys/lib/libkern/../../../common/lib/libc/string
> -I/usr/src/sys/lib/libkern/../../../common/lib/libc/arch/i386/string
> -c vers.c --- netbsd ---
> #      link  WIFIBSD_LIVE_CD/netbsd
> /usr/tools/bin/i386--netbsdelf-ld
> -T /usr/src/sys/arch/i386/conf/kern.ldscript -Ttext c0100000 -e start
> -X -o netbsd ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o if_lmc.o: In function
> `if_lmc_lkmentry': if_lmc.c:(.text+0x6013): undefined reference to
> `lkmdispatch' if_lmc.c:(.text+0x6021): undefined reference to
> `lkm_nofunc' if_lmc.c:(.text+0x6031): undefined reference to
> `lkmdispatch' if_lmc.c:(.text+0x603f): undefined reference to
> `lkm_nofunc' if_lmc.c:(.text+0x6056): undefined reference to
> `lkm_nofunc' if_lmc.c:(.text+0x6071): undefined reference to
> `lkmdispatch' *** [netbsd] Error code 1 1 error
> 
> nbmake: stopped in /usr/obj/sys/arch/i386/compile/WIFIBSD_LIVE_CD

Adding options LKM to my kernel config fixed it and the kernel
compiled cleanly.