Re: libintl.h warnings with -Wundef

[Ralf Wildenhues]

Hello Bruno,

* Bruno Haible wrote on Fri, Sep 19, 2008 at 03:08:28AM CEST:
> 
> This -Wundef option is pointless:

>   - Is its purpose to detect typos? No, because you recommend to avoid the
>     warning by using the idiom   (defined X && X).  But when I have a typo
>     in X and use this idiom nevertheless, copy&pasting the identifier as 
> usual,
>     my code will still be wrong and no warning will be flagged.

I would use "defined X && X" only for those identifiers which may well
be undefined, like those that come from the system, compiler, or from a
generated config.h file.  For others, where I know the identifier is
defined, but I would like to distinguish between its value (e.g. because
they are defined by my package header), a typo warning is helpful.

Cheers,
Ralf