Moving forward to Qt6

[Gilles Caulier]

Hi Anjani,

Le ven. 2 juil. 2021 à 10:37, Anjani Kumar <anjanik012 at gmail.com> a écrit :

> Hello,
>
> Some good news. All Qt related warnings are now resolved and code is fully
> ported to Qt 5.15.2 and can be built to a minimum of Qt 5.12. I am
> attaching the latest build log(shortened) of branch gsoc21-qt6-port.
>
> Now we are in a position to start the work to use Qt6. I have been
> planning this but I have some confusion regarding some things. I attended a
> talk in this year's akademy on "Porting user applications to Qt6"
> https://conf.tube/videos/watch/playlist/38bfc51e-253d-4976-ba1c-1a16bcc6d9b0?playlistPosition=17&resume=true
> You also might want to look at the slides, it is helpful. I am attaching
> this as well.
>
> Some of my queries:
>
>    - Will my branch be merged before any Qt6 work?
>
> In master branch ? This can be done only after 7.3.0 release. I'm late to
release and my time is limited next days. I can plan this next week end,
not before...


>
>    - It is difficult to maintain compatibility with older Qt versions
>    than Qt5.15 and Qt 6 simultaneously. We might need to bump the min Qt
>    version.
>
> It fine for me to bum Qt version, but later 7.3.0 release


>
>    - C++17 is required by Qt6. It would need to be set in CMake and move
>    to new GCC.
>
>
>
Absolutely, but only in the new Qt6 branch, not in master.

Best

Gilles Caulier
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