Kernel compile error

[TaNeK]

[ERROR WAS FIXED BY REMOVING WRONFULLY ADDED SUPPORT FOR MTD-DEVICES]

MOD/ADMON: Feel free to remove this thread. Sorry to bother.

Hello

This is somewhat of a re-post of a thread @ LQ.

When trying to compile my kernel (the "debian way") using make-kpkg --append-to-version=.050109 kernel_image I get this:

[...LOTS of output]
CC lib/zlib_deflate/deftree.o
CC lib/zlib_deflate/deflate_syms.o
LD lib/zlib_deflate/zlib_deflate.o
LD lib/zlib_deflate/built-in.o
CC lib/zlib_inflate/infblock.o
CC lib/zlib_inflate/infcodes.o
CC lib/zlib_inflate/inffast.o
CC lib/zlib_inflate/inflate.o
CC lib/zlib_inflate/inftrees.o
CC lib/zlib_inflate/infutil.o
CC lib/zlib_inflate/inflate_syms.o
LD lib/zlib_inflate/zlib_inflate.o
LD lib/zlib_inflate/built-in.o
LD lib/built-in.o
CC lib/bitmap.o
CC lib/bust_spinlocks.o
CC lib/cmdline.o
CC lib/ctype.o
CC lib/div64.o
CC lib/dump_stack.o
CC lib/errno.o
CC lib/extable.o
CC lib/idr.o
CC lib/int_sqrt.o
CC lib/kobject.o
CC lib/parser.o
CC lib/radix-tree.o
CC lib/rbtree.o
CC lib/rwsem.o
CC lib/string.o
CC lib/vsprintf.o
AR lib/lib.a
LD arch/i386/lib/built-in.o
CC arch/i386/lib/bitops.o
AS arch/i386/lib/checksum.o
CC arch/i386/lib/dec_and_lock.o
CC arch/i386/lib/delay.o
AS arch/i386/lib/getuser.o
CC arch/i386/lib/memcpy.o
CC arch/i386/lib/mmx.o
CC arch/i386/lib/strstr.o
CC arch/i386/lib/usercopy.o
AR arch/i386/lib/lib.a
GEN .version
CHK include/linux/compile.h
UPD include/linux/compile.h
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
arch/i386/kernel/built-in.o(.text+0xd094): In function `powernow_acpi_init':
: undefined reference to `acpi_processor_register_performance'
arch/i386/kernel/built-in.o(.text+0xd0bb): In function `powernow_acpi_init':
: undefined reference to `acpi_processor_unregister_performance'
arch/i386/kernel/built-in.o(.exit.text+0x3b): In function `powernow_exit':
: undefined reference to `acpi_processor_unregister_performance'
drivers/built-in.o(.init.text+0x726c): In function `init_sc520cdp':
: undefined reference to `mtd_concat_create'
drivers/built-in.o(.exit.text+0x1cbf): In function `cleanup_sc520cdp':
: undefined reference to `mtd_concat_destroy'
make[1]: *** [.tmp_vmlinux1] Error 1
make[1]: Leaving directory `/usr/src/kernel-source-2.6.8'
make: *** [stamp-build] Error 2

I've tried both gcc 3.3 and 2.95 which is the recommended version. Any ideas?