[Interest] Q_ATOMIC_INT64_IS_SUPPORTED: Qt Compile errors on macOS

[Alexandru Croitor]

> On 25. Jun 2019, at 00:46, Thiago Macieira <thiago.macieira at intel.com> 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...
> 
> -- 
> Thiago Macieira - thiago.macieira (AT) intel.com
>  Software Architect - Intel System Software Products
> 

If the stash file was in higher in the directory tree than you expected, it might have been due to this bug report https://bugreports.qt.io/browse/QTBUG-76140

which should be fixed by https://codereview.qt-project.org/c/qt/qtbase/+/263519