[Interest] Q_ATOMIC_INT64_IS_SUPPORTED: Qt Compile errors on macOS

[Hamish Moffatt]

On 25/6/19 8:46 am, Thiago Macieira wrote:
> On Monday, 24 June 2019 08:24:25 PDT Thiago Macieira wrote:
>> Anyway, let's stop speculating. Until we can reliably reproduce this problem
>> to understand what's going on, we're shooting in the dark.
> I managed to reproduce this once. It was a left-over .qmake.stash file up in
> the directory tree that was telling qmake to use an SDK version that was no
> longer installed. I don't know how that file got created...
>
I also had problems with a stale SDK version in .qmake.stash when I 
first upgraded to Qt 5.12. https://bugreports.qt.io/browse/QTBUG-71620

Despite this being entirely qmake's problem it was closed as invalid.


Hamish