On Monday, July 06, 2015 09:27:12 PM Chris Wilson wrote:
> On Mon, Jul 06, 2015 at 11:18:00AM -0700, Kenneth Graunke wrote:
> > In the kernel, this is called __must_check; all our attribute macros in
> > Mesa appear to be uppercase, so I went with that.
> > 
> > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
> > Cc: ch...@chris-wilson.co.uk
> > Cc: matts...@gmail.com
> > ---
> >  configure.ac      | 1 +
> >  src/util/macros.h | 6 ++++++
> >  2 files changed, 7 insertions(+)
> > 
> > I noticed Chris wants to use this in one of his patches, so I figured I'd
> > throw together a patch to do this a bit more cleanly.
> 
> That would suit me very much. I guess I need to learn about
> AX_GCC_FUNC_ATTRIBUTE!
> 
> Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
> -Chris

It's pretty handy!  Matt found it in the autoconf archive:

http://www.gnu.org/software/autoconf-archive/ax_gcc_func_attribute.html

We just dropped it in our m4/ directory.

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