pymol crashing under Qt on Catalina

[Jack Howarth]

On Sun, Oct 13, 2019 at 9:49 AM Chris Jones <jonesc at hep.phy.cam.ac.uk>
wrote:

>
>
> On 13 Oct 2019, at 2:46 pm, Joshua Root <jmr at macports.org> wrote:
>
> On 2019-10-14 00:35 , Chris Jones wrote:
>
>
> After that, my next guess would perhaps another issue related to the
>
> stack-check issue with Xcode 11. See e.g. the fix I added for OpenBLAS
>
>
>
> https://github.com/macports/macports-ports/commit/6e78e5c9495b4dc4e7e050fae2b41dd5b9accfdd#diff-a755de84ca7f97ab071328807d829e0b
>
>
> I'd be wary of removing a hardening measure and leaving it at that. It
> could be revealing a genuine stack-smashing bug.
>
>
> Agreed. Accordingly to Jeremy though its a Xcode bug expected to be fixed
> in 11.2. Thats why I subsequently added a version check, see e.g.
>
>
> https://github.com/macports/macports-ports/blob/master/math/OpenBLAS/Portfile
>
> Line 109.
>
>
> - Josh
>
>
Josh,
     Does anyone know if this is already fixed in the posted Xcode 11.2
beta 2? If so, would rebuilding the OpenBLAS package with it be sufficient
or aren't we sure where the offending code lies?
            Jack
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