Unresolved symbols in Sangoma wanpipe drivers

[David Clymer <dclyme@hrcsb.org>]

I've got a Sangoma S5141 that I'm planning on using in my linux router.
However, attempts to compile a kernel with the sangoma drivers always
results in compilation errors saying that there are a bunch of
unresolved symbols (see below).

I've tried using the drivers in stock debian 2.4.18 & 2.4.24 kernels, as
well as the drivers provided on the cd which came with the hardware, all
with the same result. 

Has anyone else had similar problems? If so, do you have any pointers on
how to resolve this?

-davidc

>From kernel compilation output:

ld -m elf_i386 -T /usr/src/kernel-source-2.4.18/arch/i386/vmlinux.lds -e
stext arch/i386/kernel/head.o arch/i386/kernel/init_task.o init/main.o
init/version.o \        --start-group \
        arch/i386/kernel/kernel.o arch/i386/mm/mm.o kernel/kernel.o
mm/mm.o fs/fs.o ipc/ipc.o \
         drivers/char/char.o drivers/block/block.o drivers/misc/misc.o
drivers/net/net.o drivers/media/media.o drivers/net/tokenring/tr.o
drivers/net/wan/wan.o drivers/ide/idedriver.o drivers/scsi/scsidrv.o
drivers/cdrom/driver.o drivers/pci/driver.o drivers/pcmcia/pcmcia.o
drivers/net/pcmcia/pcmcia_net.o drivers/net/wireless/wireless_net.o
drivers/pnp/pnp.o drivers/video/video.o drivers/usb/usbdrv.o
drivers/message/i2o/i2o.o drivers/md/mddev.o arch/i386/math-emu/math.o \
        net/network.o \
        /usr/src/kernel-source-2.4.18/arch/i386/lib/lib.a
/usr/src/kernel-source-2.4.18/lib/lib.a
/usr/src/kernel-source-2.4.18/arch/i386/lib/lib.a \
        --end-group \
        -o vmlinux
drivers/net/wan/wan.o: In function `new_if':
drivers/net/wan/wan.o(.text+0x29621): undefined reference to
`wp_sppp_attach'
drivers/net/wan/wan.o(.text+0x2977a): undefined reference to
`wp_sppp_detach'
drivers/net/wan/wan.o: In function `del_if':
drivers/net/wan/wan.o(.text+0x297f9): undefined reference to
`wp_sppp_detach'
drivers/net/wan/wan.o: In function `if_open':
drivers/net/wan/wan.o(.text+0x299cf): undefined reference to
`wp_sppp_open'
drivers/net/wan/wan.o: In function `if_close':
drivers/net/wan/wan.o(.text+0x29a40): undefined reference to
`wp_sppp_close'
drivers/net/wan/wan.o: In function `if_do_ioctl':
drivers/net/wan/wan.o(.text+0x2b022): undefined reference to
`wp_sppp_do_ioctl'
drivers/net/wan/wan.o: In function `wp_bh':
drivers/net/wan/wan.o(.text+0x2c5cd): undefined reference to
`wp_sppp_input'
make[1]: *** [vmlinux] Error 1
make[1]: Leaving directory `/usr/src/kernel-source-2.4.18'
make: *** [stamp-build] Error 2