[Interest] Q_ATOMIC_INT64_IS_SUPPORTED: Qt Compile errors on macOS

Patrick Stinson patrickkidd at gmail.com
Mon Jun 24 07:23:56 CEST 2019

The qt configure script is predictably unable to find it on the first configure run but able to find it on the second run. The ask handy changed. Or were you considering that as well?

> On Jun 23, 2019, at 9:07 PM, Thiago Macieira <thiago.macieira at intel.com> wrote:
>> On Sunday, 23 June 2019 13:23:04 PDT Patrick Stinson wrote:
>> Hmm, what indicates to you that it is a compiler problem? It seems to me
>> that the fact that it (predictably) works unpredictably depending on the
>> state of the Qt conf/build system points more strongly to the problem being
>> in Qt the Qt conf/build system.
> The fact that the compiler failed to find a header that comes from the SDK 
> that comes with the compiler. And that this problem did not happen in older 
> XCode versions (my previous Mac was still High Sierra, which didn't get the 
> latest XCode update).
> -- 
> Thiago Macieira - thiago.macieira (AT) intel.com
>  Software Architect - Intel System Software Products
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