Re: probing for compiler attributes?

[Benoit SIGOURE]

On Aug 7, 2007, at 11:49 PM, Joshua Hoblitt wrote:

> Is there a pre-canned AC macro or other reliable means of testing for
> compiler attributes?
>
> I have an awful lot of code that looks something like this:
>
>         void *myfunc(char *myvar
>         #ifdef __GNUC__
>         ) __attribute__((malloc));
>         # else // ifdef __GNUC__
>         );
>         #endif // ifdef __GNUC__
>
> and it has to the potential to get a lot worse if I have to start  
> testing
> for what version of GNUC we have to use a new attribute.  While I
> realize this could all be done with CPP macros it occurred to me it  
> would
> be nice to have this information available from config.h.

Hi,
The (unofficial) autoconf macro archive has a couple of macros to  
test some of these, see:
http://autoconf-archive.cryp.to/macros-by-category.html
search for `attribute'.

I hope this helps.

Cheers,

--
Benoit Sigoure aka Tsuna
EPITA Research and Development Laboratory

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