[kbuild-all] Re: net/tipc/udp_media.c:743: undefined reference to `ipv6_dev_find'

On Wed, Aug 12, 2020 at 7:21 AM kernel test robot <lkp(a)intel.com&gt; wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: c636eef2ee3696f261a35f34989842701a107895 > commit: 5a6f6f579178dbeb33002d93b4f646c31348fac9 tipc: set ub->ifindex for local ipv6 address > date: 6 days ago > config: ia64-randconfig-r005-20200811 (attached as .config) > compiler: ia64-linux-gcc (GCC) 9.3.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 5a6f6f579178dbeb33002d93b4f646c31348fac9 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp(a)intel.com&gt; > > All errors (new ones prefixed by >>): > > ia64-linux-ld: net/tipc/udp_media.o: in function `tipc_udp_enable': >>> net/tipc/udp_media.c:743: undefined reference to `ipv6_dev_find' To use some APIs exported from ipv6 code. We need add this: --- a/net/tipc/Kconfig +++ b/net/tipc/Kconfig @@ -6,6 +6,7 @@ menuconfig TIPC tristate "The TIPC Protocol" depends on INET + depends on IPV6 || IPV6=n