编译fedora3的内核出现下面的提示，高人指点一下这是什么意思？

joealec

LD      .tmp_vmlinux1
net/built-in.o(.init.text+0x1d90): In function `br_init':
net/bridge/br.c:45: undefined reference

to `br_fdb_put_hook'
net/built-in.o(.init.text+0x1da1):net/bridge/br.c:44: undefined reference to `br_fdb_get_hook'

net/built-in.o(.exit.text+0x1a3): In function `br_deinit':
net/bridge/br.c:65: undefined

reference to `br_fdb_get_hook'
net/built-in.o(.exit.text+0x1aa):net/bridge/br.c:66: undefined reference to `br_fdb_put_hook'
make: *** [.tmp_vmlinux1] Error 1

INSTALL arch/i386/crypto/aes-i586.ko
cp: cannot stat `arch/i386/crypto/aes-i586.ko': No such file or directory
make[1]: ***

[arch/i386/crypto/aes-i586.ko] Error 1
make: *** [_modinst_] Error 2

joealec

ding

lichin

好像有些.c的源码文件内的code有误，自己可以按提示查看一下这些文件