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



On Thu, Jun 17, 2021 at 09:42:02AM +0200, Dr. Thomas Orgis wrote:
> 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

Qt has its required compiler set to GCC 5. If this works in GCC 5,
you can commit it.


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