[Interest] Qt5.15 from source on centOS 7

[Alexander Carôt]

> Hi, default GCC version on CentOS 7.9 is 4.8.5 but Qt 5.15 requires at 
> least GCC version 5.

Got it – thank you !



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> Gesendet: Freitag, 17. Juni 2022 um 08:18 Uhr
> Von: "Henry Skoglund" <henry at tungware.se>
> An: interest at qt-project.org
> Betreff: Re: [Interest] Qt5.15 from source on centOS 7
>
> On 2022-06-17 07:46, Alexander Carôt wrote:
> > Hi all,
> >
> > I have to compile Qt5.15 from source on an older centOS 7.9 machine but it fails due to this issue (sorry, only german language):
> >
> > .In file included from ../include/QtCore/qmetatype.h:1:0,
> >                   from ../include/QtCore/../../src/corelib/kernel/qvariant.h:46,
> >                   from ../include/QtCore/qvariant.h:1,
> >                   from ../include/QtCore/../../src/corelib/text/qlocale.h:43,
> >                   from ../include/QtCore/qlocale.h:1,
> >                   from ../include/QtCore/../../src/corelib/serialization/qtextstream.h:46,
> >                   from ../include/QtCore/qtextstream.h:1,
> >                   from ../include/QtCore/../../src/corelib/io/qdebug.h:49,
> >                   from ../include/QtCore/qdebug.h:1,
> >                   from /var/www/vhosts/soundjack.eu/qt5/qtbase/qmake/library/proitems.h:34,
> >                   from /var/www/vhosts/soundjack.eu/qt5/qtbase/qmake/library/qmakeparser.h:34,
> >                   from /var/www/vhosts/soundjack.eu/qt5/qtbase/qmake/library/qmakeevaluator.h:36,
> >                   from /var/www/vhosts/soundjack.eu/qt5/qtbase/qmake/project.h:32,
> >                   from /var/www/vhosts/soundjack.eu/qt5/qtbase/qmake/main.cpp:30:
> > ../include/QtCore/../../src/corelib/kernel/qmetatype.h: In Instanziierung von »QtMetaTypePrivate::QSequentialIterableImpl::QSequentialIterableImpl(const T*) [with T = QList<QVariant>]«:
> > ../include/QtCore/../../src/corelib/kernel/qvariant.h:772:139:   von hier erfordert
> > ../include/QtCore/../../src/corelib/kernel/qmetatype.h:1160:135: Fehler: mehrdeutige Klassentemplate-Instanziierung für »struct QtMetaTypePrivate::ContainerCapabilitiesImpl<QList<QVariant>, void>«
> >         , _iteratorCapabilities(ContainerAPI<T>::IteratorCapabilities | (1 << 4) | (ContainerCapabilitiesImpl<T>::ContainerCapabilities << (4+3)))
> >                           
> >
> > There is an ambigious class template instantiation for struct QtMetaTypePrivate::ContainerCapabilitiesImpl<QList<QVariant> – that obvious but I currently don't know how to resolve it.
> >
> > Can anyone help ?
> >
> > Thanks !
> >
> > Alex
> >
> Hi, default GCC version on CentOS 7.9 is 4.8.5 but Qt 5.15 requires at 
> least GCC version 5.
> 
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