[Qgis-developer] Latest QGIS dev (2.11) won't compile using Qt5 libraries

[Mathieu Pellerin]

Larry, Matthias, is there an easy fix that can be applied so 2.12 can ship
and be qt5-compatible?

Oh btw, ubuntu now has qt5 packages for scintilla, qwt, and qca but the
cmake process picks the qt4 versions when cmaking with enable_qt5

M
On 4 Oct 2015 14:43, "Matthias Kuhn" <matthias at opengis.ch> wrote:

> Hi Mathieu,
>
> On 10/04/2015 03:55 AM, Mathieu Pellerin wrote:
>
> Greetings,
>
> (Note: it's the first time I'm trying to compile QGIS using Qt5, so the
> problem might be the user here ;) )
>
> Using the current master (what will become 2.12), I fail to successfully
> compile a build using Qt5 libraries. The make process crashes when trying
> to compile qgsauthcertutils.cpp with the following error:
>
> /home/webmaster/dev/cpp/QGIS/src/core/auth/qgsauthcertutils.cpp: In static
> member function ‘static QMap<QString, QList<QSslCertificate> >
> QgsAuthCertUtils::certsGroupedByOrg(QList<QSslCertificate>)’:
> /home/webmaster/dev/cpp/QGIS/src/core/auth/qgsauthcertutils.cpp:64:68:
> error: no matching function for call to ‘QString::QString(QStringList)’
>      QString org( cert.subjectInfo( QSslCertificate::Organization ) );
>                                                                     ^
> In file included from /usr/include/x86_64-linux-gnu/qt5/QtCore/QString:1:0,
>                  from /usr/include/Qca-qt5/QtCrypto/qca_core.h:36,
>                  from /usr/include/Qca-qt5/QtCrypto/qca.h:36,
>                  from /usr/include/Qca-qt5/QtCrypto/QtCrypto:1,
>                  from
> /home/webmaster/dev/cpp/QGIS/src/core/auth/qgsauthcertutils.h:21,
>                  from
> /home/webmaster/dev/cpp/QGIS/src/core/auth/qgsauthcertutils.cpp:17:
>
>
> Question: is it the case that ATM master does not compile using Qt5
> anymore? Or is there something I'm missing here?
>
>
> Yes, it looks like the authentication system is incompatible with Qt5. In
> particular this API change:
>
> > QSslCertificate::subjectInfo() and QSslCertificate::issuerInfo() now
> return a QStringList instead of a QString
>
> > It's pretty common for a certificate to contain more than entry of a
> specific type, but in Qt 4 the API only let you access the first one.
> https://blogs.kde.org/2012/04/14/whats-new-qt-5-ssl
>
> Cheers
> Matthias
>
>
> Thanks for the help.
>
> Math
>
> P.S. the reason why I'm trying to get a functioning Qt5-based build is
> that I've ran into a problem with Burmese character encoding that's fixed
> under Qt5, due to its use of harfbuzz-ng. So, one additional motivation to
> to the upgrade eventually :)
>
>
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