]编译出现
net/libnet.a(net.o): In function `NetSendPacket':
/home/123/yz/ub/u-boot-2008.10/net/net.c:656: undefined reference to `eth_send'
net/libnet.a(net.o): In function `ArpRequest':
/home/123/yz/ub/u-boot-2008.10/net/net.c:254: undefined reference to `eth_send'
net/libnet.a(net.o): In function `NetReceive':
/home/123/yz/ub/u-boot-2008.10/net/net.c:1345: undefined reference to `eth_send'
/home/123/yz/ub/u-boot-2008.10/net/net.c:1479: undefined reference to `eth_send'
net/libnet.a(net.o): In function `NetSendUDPPacket':
/home/123/yz/ub/u-boot-2008.10/net/net.c:705: undefined reference to `eth_send'
net/libnet.a(net.o): In function `NetStartAgain':
/home/123/yz/ub/u-boot-2008.10/net/net.c:601: undefined reference to `eth_halt'
net/libnet.a(net.o): In function `PingTimeout':
/home/123/yz/ub/u-boot-2008.10/net/net.c:771: undefined reference to `eth_halt'
net/libnet.a(net.o): In function `NetLoop':
/home/123/yz/ub/u-boot-2008.10/net/net.c:322: undefined reference to `eth_halt'
/home/123/yz/ub/u-boot-2008.10/net/net.c:326: undefined reference to `eth_init'
/home/123/yz/ub/u-boot-2008.10/net/net.c:508: undefined reference to `eth_rx'
/home/123/yz/ub/u-boot-2008.10/net/net.c:514: undefined reference to `eth_halt'
/home/123/yz/ub/u-boot-2008.10/net/net.c:568: undefined reference to `eth_halt'
/home/123/yz/ub/u-boot-2008.10/net/net.c:408: undefined reference to `eth_halt'
make: *** [u-boot] 错误 1
有知道怎么解决的吗?版主在不?