Just use this patch, don't remove -Werror.
https://git.kernel.org/cgit/linux/kernel/git/shemminger/iproute2.git/commit/?id=824c843556a80cd3b4003d1e9e583cfdf632d0c0 -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page