Rename -W to -Wextra ?

[Neil Booth]

Russ Allbery wrote:-

> It would be completely unusable for INN, at least.  Among the warning
> options that I'll never bother trying to make INN cleanly compile under
> are:
> 
>   -Wtraditional       INN only supports ANSI C; this is irrelevant.
>   -Wid-clash          I really don't care about systems that old.
>   -Wconversion        Really only useful when converting K&R code.
>   -Wmissing-noreturn  The compiler isn't going to guess well enough.

I'm pretty sure I killed -Wid-clash in 3.1.

Neil.