Linker Error Building New Kernel

[KFPieper@t-online.de (Klaus Pieper)]

I installed Debian 2.1 and tried to recompile the 2.0.36 sources.
During the link phase I got lot's of unresolved references. What is
missing?

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/pci/pci.a \
 /usr/src/linux/arch/i386/lib/lib.a /usr/src/linux/lib/lib.a
/usr/src/linux/arch/i386/lib/lib.a -o vmlinux
init/main.o: In function `ramdisk_start_setup':
init/main.o(.text+0x511): undefined reference to `rd_image_start'
init/main.o: In function `load_ramdisk':
init/main.o(.text+0x52c): undefined reference to `rd_doload'
.....

Klaus