compile errors after unicon patches on nitro4

[BlueSand]

CHK include/linux/version.h
make[1]: `arch/i386/kernel/asm-offsets.s' is up to date.
CHK include/asm-i386/asm_offsets.h
CHK include/linux/compile.h
dnsdomainname: Unknown host
GEN .version
CHK include/linux/compile.h
dnsdomainname: Unknown host
UPD include/linux/compile.h
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
drivers/built-in.o(.text+0x15eb3): In function `put_queue':
: undefined reference to `Unicon_fnKeyHook'
drivers/built-in.o(.text+0x15f92): In function `puts_queue':
: undefined reference to `Unicon_fnKeyHook'
drivers/built-in.o(.text+0x16497): In function `fn_send_intr':
: undefined reference to `Unicon_fnKeyHook'
drivers/built-in.o(.text+0x19e32): In function `respond_string':
: undefined reference to `Unicon_fnKeyHook'
make: *** [.tmp_vmlinux1] Error 1

it works fine for the gentoo-dev-sources after unicon patch
but when I try it on nitro-sources ,it bugs.
could anyone tell me how to solve it?
the unicon patch is here
http://vdlinux.sourceforge.jp/dists/vd_unicon-kernel-2.6.9-20041019.patch.bz2