Bump min Qt version

[Anjani Kumar]

I already started this pre-processor branching. Not for Qt::endl but I have done it for QString::split() which is also present from Qt 5.14.

On Jun 16 2021, at 2:16 am, Maik Qualmann <metzpinguin at gmail.com> wrote:
> But we already have a problem with Qt::endl, this only exists with Qt-5.14. We
> should find another way of doing this than with pre-processeur branching.
> Maybe define a macro.
>
> Maik
> Am Dienstag, 15. Juni 2021, 13:55:53 CEST schrieb Gilles Caulier:
> > Hi,
> >
> > No. We need to be compatible at least with Qt 5.12 LTS.
> > Please make pre-processeur branching in source code by checking Qt version,
> > as it already do in other place in digiKam.
> >
> > exemple :
> > https://invent.kde.org/graphics/digikam/-/blob/master/core/app/date/ddatepic
> > ker.cpp#L547
> >
> > Best
> >
> > Gilles Caulier
> >
> > Le mar. 15 juin 2021 à 13:52, Anjani Kumar <anjanik012 at gmail.com> a écrit :
> > > The recent changes to
> > > https://invent.kde.org/graphics/digikam/-/tree/gsoc21-qt6-port makes it
> > > compile only on newer Qt versions. So I it should be best Bump Qt version
> > > to 5.15.2. Should I make the change?
> > >
> > > Thanks,
> > > Anjani
>

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