I keep getting an error when recompiling my kernel for sound
support. I have a mss soundcard. durng cofiguration I said
yes to /dev/audio and /devdsp, MIDI, FM, and /dev/sequencer.
Here's the error message I get (and output leading up to it)

ld -m elf_i386 -Ttext 0x100000 -e stext
arch/i386/kernel/head.o
init/main.o init/version.o \
        arch/i386/kernel/kernel.o arch/i386/mm/mm.o
kernel/kernel.o
mm/mm.o fs/fs.o ipc/ipc.o net/network.a \
        fs/filesystems.a \
        drivers/block/block.a drivers/char/char.a
drivers/net/net.a
drivers/cdrom/cdrom.a drivers/sound/sound.a \
        /usr/src/linux-2.0.35/arch/i386/lib/lib.a
/usr/src/linux-2.0.35/lib/lib.a
/usr/src/linux-2.0.35/arch/i386/lib/lib.a
-o vmlinux
drivers/sound/sound.a(opl3.o): In function `opl3_ioctl':
opl3.o(.text+0x15b): undefined reference to `pmgr_inform'
drivers/sound/sound.a(opl3.o): In function
`opl3_start_note':
opl3.o(.text+0xcec): undefined reference to `note_to_freq'
opl3.o(.text+0xd26): undefined reference to
`compute_finetune'
drivers/sound/sound.a(opl3.o): In function `bend_pitch':
opl3.o(.text+0x1460): undefined reference to
`compute_finetune'
make: *** [vmlinux] Error 1