Minimum dependency versions

[Adam Pigg]

Well, theyre doing a good job of appearing to stay on Qt 5.6 forever,
its been a source of developer contention for some time! :D

Hopefully there will be some resolution to everyone's satisfaction at some time!

On Thu, 11 Feb 2021 at 17:22, Pierre <pinaraf at pinaraf.info> wrote:
>
> On Wednesday, February 10, 2021 8:39:35 PM CET Carl Schwan wrote:
> > Le mercredi, février 10, 2021 7:45 PM, Pierre <pinaraf at pinaraf.info> a
> écrit :
> > > On Wednesday, February 10, 2021 9:30:43 AM CET Adam Pigg wrote:
> > > > I wish!!! ... try qt 5.6!
> > > >
> > > > On Wed, 10 Feb 2021 at 08:14, Halla Rempt boud at valdyas.org wrote:
> > > > > On Wednesday, 10 February 2021 08:44:54 CET Pierre wrote:
> > > > > > Is there a lot of people still trying to build Calligra with Qt 5.3
> > > > > > or
> > > > > > KF5
> > > > > > 5.7.0 ? These are years old, and I guess building Calligra with them
> > > > > > has
> > > > > > been untested for some time.
> > > > >
> > > > > I think that the Jolla people still build the documents application
> > > > > with
> > > > > Qt 5.9.
> > > > > --
> > > > > https://www.krita.org
> > >
> > > I created this MR then :
> > > https://invent.kde.org/office/calligra/-/merge_requests/10
> > >
> > > At least it's no longer Qt 5.3 / KF 5.7, and a bunch of deprecated stuff
> > > is
> > > cleaned up (I built locally disabling deprecated Qt APIs).
> > >
> > > But Jolla decided to stay at Qt 5.6 out of fear from LGPLv3, as far as I
> > > understand. Does it means Calligra would have to be stuck in an untested
> > > setup? I no longer have a Jolla phone, do they update from Calligra
> > > frequently? And is there a lot of people still building with Qt 5.6 and
> > > testing so we are sure there is no regressions there?
> >
> > Hi,
> >
> > Your MR looks good to me. Concerning the minimum version requirement, I
> > worked a bit last year to remove a lot of warnings and I was blocked to
> > move further by the minimum requirements.
> >
> > Personally, I'm not sure if it is worth continuing to support Qt 5.6.
> > Calligra can't continue to use on Qt 5.6 as the minimum required version
> > for years when we are moving to Qt 6 in a timespan of 1 or 2 years with the
> > rest of KDE. Also as you said I'm not sure anyone is testing regressions
> > and the Gemini QML code is definitively using Qt 5.12 only code. Jolla
> > needs to move forwards with their LGPLv3 problem or they will end up
> > obsolete compared to the rest of the Qt world.
> >
> > I would propose moving all the way to Qt 5.12 or even 5.15, so we can start
> > fixing deprecations in time for Qt6. And maybe in the second step, we should
> > consider moving to C++17 too.
> >
> > Regards,
> > Carl
>
> Hi
>
> Since there seems to be an agreement on at least Qt 5.6, if you don't mind, I
> will go forward and merge my MR.
> The question remains regarding Qt 5.12 or later. From a technical perspective,
> I'll have a look at the impact of requesting this version as a minimum. But
> the question of our behaviour/relationship with Jolla remains. A Jolla
> developer commneted on my MR to thank us for keeping it to Qt 5.6. Does
> anybody here have an insight regarding their upgrade plan? They can't stay on
> Qt5.6 forever, at some point no community has to carry the burden of their
> decisions…
>
> Regards
>
>  Pierre