Re: [Interest] Qt5.15 from source on centOS 7

[Henry Skoglund]

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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