Perhaps it's time to submit patches that allow building it without IPv6 instead. Countless hours of configuration meddling will be saved.

Not sure if you're taking the piss or just missed it but allowing build with either protocol alone is one of the genuine ideas in this joke:

> Yeah. The date notwithstanding, I do actually think we should do most of this for real.

> Maybe we don't get away with the actual deprecation and the warnings on use just yet, and maybe we won't even get away with calling the config option CONFIG_LEGACY_IP, although I would genuinely like to see us moving consistently towards saying "Legacy IP" instead of "IPv4" everywhere.

> But we should clean up the separation of CONFIG_INET and CONFIG_IPV[64] and make it possible to build with either protocol alone.