rntcl

[Niels M?ller (entering a radioactive zone) @ Pike (-) developers forum]

Hi, do you still use rntcl? I noticed that nettle's configure script
includes an ancient hack specifically for rntcl (dating to 2004), will
something break if I just delete that? See
https://git.lysator.liu.se/nettle/nettle/-/blob/master/configure.ac#L146