Consistent CMake requirements in Plasma

[Nicolas Fella]

Hi,

so far I haven't received any negative feedback on this and got
acknowledgements from Debian, Fedora and OpenSUSE.

Unless someone objects within the next 24 hours I suggest that we
proceed with this.

Cheers

Nico

On 2/9/21 7:32 PM, Nicolas Fella wrote:
> Hi,
>
> while I was doing some cmake cleanup in Plasma I noticed that our stated
> minimum cmake versions are both somewhat inconsistent and super old.
> Most Plasma projects state that either 2.8 (released in 2009) or 3.0
> (released in 2014) are the minimum. That's obviously unrealistic.
>
> Newer cmake versions offer some nice stuff such as imported targets for
> common libs (e.g. used in
> https://invent.kde.org/plasma/plasma-desktop/-/merge_requests/336). For
> the sake of consistency I propose that we standardize Plasma on
> something recent-ish.
>
> My candidate for this would be cmake 3.16. It's the version shipped by
> Ubuntu 20.04 and thus Neon. This would exclude Debian stable which ships
> 3.13 (which does not have the feature relevant for
> https://invent.kde.org/plasma/plasma-desktop/-/merge_requests/336).
>
> Thoughts?
>
> Cheers
>
> Nico
>