Re: characters allowed in --enable-*/--with-*

[Ralf Wildenhues]

* Karl Berry wrote on Mon, Aug 02, 2010 at 12:00:21AM CEST:
>     Autoconf 2.66 added '+' to the set of allowed characters in --enable-*
> 
> Why?

So gnulib could have --enable-c++.

>     So, my question is: could standards.texi document the set of allowed
>     characters?
> 
> Can you make a proposal?

Sure; later.

>     Current Autoconf has -+. mapped to _ and otherwise wants characters
>     eligible for shell variable names; but you may want to just allow more
>     of them?
> 
> What's the advantage of allowing more characters?

Easier to remember option names?  Dunno.

Cheers,
Ralf