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Re: Feelings about x11/qt5-qtbase build fix with -march=native?



Am Tue, 15 Jun 2021 18:17:08 +0200
schrieb "Dr. Thomas Orgis" <thomas.orgis%uni-hamburg.de@localhost>: 

> I still have this patch lying around, which fixes qt5-qtbase builds
> with a certain range of gcc versions that have bad interaction of
> -march=native -march=somethingother.
> 
> Fine to commit during freeze?

Ping.

> + # -march=haswell is supported as of GCC 4.9 and Clang 3.6
> +-QMAKE_CFLAGS_ARCH_HASWELL           = -march=core-avx2
> ++# https://bugreports.qt.io/browse/QTBUG-71564
> ++QMAKE_CFLAGS_ARCH_HASWELL           = -mavx2


Alrighty then,

Thomas

-- 
Dr. Thomas Orgis
HPC @ Universität Hamburg


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