[Buildroot] [PATCH v2] gcc: Enable __cxa_atexit for final GCC

[Peter Seiderer]

Hello *,

On Mon, 21 Jan 2019 13:04:46 -0200, Fabio Estevam <festevam at gmail.com> wrote:

> Hi Peter,
> 
> On Thu, Nov 29, 2018 at 7:15 PM Thomas Petazzoni
> <thomas.petazzoni at bootlin.com> wrote:
> >
> > Hello,
> >
> > On Fri, 16 Nov 2018 14:26:18 +0300, Alexey Brodkin wrote:  
> > > This is what GCC manual says [1]:  
> > > -------------------------->8----------------------  
> > > --enable-__cxa_atexit  
> >
> > I've applied to next, but after dropping the "for final GCC" from the
> > commit title, since cxa_atexit is now used for both the initial gcc and
> > the final gcc.  
> 
> Could this one be applied to Buildroot stable?

+1

> 
> The lack of this patch causes is causing issues on Mesa:
> https://www.mail-archive.com/mesa-dev@lists.freedesktop.org/msg212440.html

Did re-run the same buildroot-2018.11/mesa/etnaviv test, could confirm enabling
__cxa_atexit fixes the mesa double-free on exit...

Regards,
Peter
  
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