[U-Boot-Users] "undefined reference"error in net.c

[Detlev Zundel <dzu@denx.de>]

Hello Wang,

> dear all,
>     When I follow the steps to port u-boot to my board according to 
> README  ,error appeared in "make".
>
>    I didn't change anything about net ,but there are many "undefined 
> reference"error in net.c ,displayed as below: why??
>
> -------->
> ..................
> tart-group board/windriver/libwindriver.a cpu/mpc8xx/libmpc8xx.a 
> lib_ppc/libppc.a fs/jffs2/libjffs2.a fs/fdos/libfdos.a fs/fat/libfat.a 
> net/libnet.a disk/libdisk.a rtc/librtc.a dtt/libdtt.a 
> drivers/libdrivers.a drivers/sk98lin/libsk98lin.a post/libpost.a 
> post/cpu/libcpu.a common/libcommon.a lib_generic/libgeneric.a  --end-
> group \
>                 -Map u-boot.map -o u-boot
> net/libnet.a(net.o): In function `ArpRequest':
> /home/wang/u-boot-0.4.8/net/net.c:185: undefined reference to `eth_send'
> net/libnet.a(net.o): In function `NetLoop':
> /home/wang/u-boot-0.4.8/net/net.c:257: undefined reference to `eth_halt'
> /home/wang/u-boot-0.4.8/net/net.c:258: undefined reference to `eth_init'
> /home/wang/u-boot-0.4.8/net/net.c:381: undefined reference to `eth_rx'
> /home/wang/u-boot-0.4.8/net/net.c:387: undefined reference to `eth_halt'
> /home/wang/u-boot-0.4.8/net/net.c:424: undefined reference to `eth_halt'
> net/libnet.a(net.o): In function `NetSendPacket':
> /home/wang/u-boot-0.4.8/net/net.c:507: undefined reference to `eth_send'
> net/libnet.a(net.o): In function `NetSendUDPPacket':
> /home/wang/u-boot-0.4.8/net/net.c:552: undefined reference to `eth_send'
> net/libnet.a(net.o): In function `NetReceive':
> /home/wang/u-boot-0.4.8/net/net.c:726: undefined reference to `eth_send'
> /home/wang/u-boot-0.4.8/net/net.c:752: undefined reference to `eth_send'
> make: *** [u-boot] Error 1

The errors appear because the functions are not defined - but I guess
you know that.  So why not share some more information about what kind
of board you are compiling for (like the configuration name) so we can
actually try to reproduce the problem and help you in a more
meaningful way?

Cheers
  Detlev

-- 
five monkeys, two typewriters, ten minutes