On Mon, Dec 22, 2025 at 5:23 PM Albert Astals Cid <[email protected]> wrote: > > El dijous, 18 de desembre del 2025, a les 11:11:29 (Hora estàndard d’Europa > central), Neal Gompa va escriure: > > On Mon, Dec 15, 2025 at 3:40 AM Albert Astals Cid <[email protected]> wrote: > > > I would like to propose this minimum cmake version policy for KDE > > > Frameworks.> > > > The required minimum cmake version for KDE Frameworks will be the maximum > of: > > > * The required cmake version of required Qt at that time > > > * The cmake version released 1 year before the required Qt at that time > > > > > > Let's do the calculations for now. > > > > > > required Qt at the time = 6.8 > > > required cmake version of Qt 6.8 = 3.16 > > > Qt 6.8 release date = 8 October 2024 > > > 1 year before Qt 6.8 relase date = 8 October 2023 > > > > > > cmake 3.27.0 release date = 18 July 2023 > > > cmake 3.28.0 release date = 6 December 2023 > > > > > > cmake version released 1 year before the required Qt at that time = 3.27 > > > > > > So this policy would suggest to increase our minimum cmake requirement to > > > max(3.27, 3.16) -> 3.27 > > > > > > This ties updating the minimum cmake version to when we update Qt which i > > > think makes sense, if we are going to as people to update Qt, we may as > > > well ask them to update cmake (which is in my opinion much easier) > > > > > > I know it is quite a jump in minimum required cmake version but i think > > > having a policy is much simpler than having to justify every time we want > > > to do an update. > > > > > > What do you all think? > > > > I think it's reasonably sensible. > > > > However, I'm going to ask for the caveat that we don't go up to > > requiring CMake 4.x for the time being. > > Requiring CMake 4.x will only happen as per the rules when we depend on a Qt 6 > released later than March 28 2026 (possibly Qt 6.11 if the schedule does not > slip), which means it will not happen until Qt 6.13 is released, which more > than a year away. > > Hopefully all the cmake 4 woes will be solved by then? >
At the rate things are going, I don't think that's going to happen. It's been painful enough in Fedora preparing to upgrade, and I foresee other distributions struggling even harder with it than we are. -- 真実はいつも一つ！/ Always, there's only one truth!
