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Date: Fri, 15 May 2015 10:51:43 +0300
Message-ID: <CAA2C=vA+iQLL5DcPASLq-1=SypW+iXrb_uoFN4fprgyE1m7ogg@mail.gmail.com>
Subject: Re: bad pragma in dir.h? (and our structrure packing)
From: "Ozkan Sezer (sezeroz AT gmail DOT com)" <djgpp AT delorie DOT com>
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On 5/15/15, Eli Zaretskii (eliz AT gnu DOT org) <djgpp AT delorie DOT com> wrote:
>> Date: Fri, 15 May 2015 06:54:39 +0300
>> From: "Andris Pavenis (andris DOT pavenis AT iki DOT fi)" <djgpp AT delorie DOT com>
>>
>> We need to be sure that such typedef will not cause warnings about unused
>> typedef for some GCC
>> versions.
>
> Which GCC versions do that?

gcc 4.7+

>  How can they produce such warnings
> without complaining about system header files, which are replete with
> unused typedefs?  At the very least, they should exempt header files,
> or at least system header files, which these are.
>
> So I find it hard to believe this could be a problem.
>

IIUC, the warnings are only for local typedefs within function bodies
and not for global ones.