[Development] Raising minimum CMake version to 3.16 for Qt6

[Ahmad Samir]

On 05/05/2021 19:58, Thiago Macieira wrote:
> On Tuesday, 4 May 2021 21:51:36 PDT EXT Craig Scott wrote:
>> Given that we haven’t received any reports about this from user projects in
>> the year since the code added this constraint, and that we expect to rely
>> more on the metatypes going forward rather than less, the CMake Ports team
>> proposes to raise the minimum CMake version for user projects to CMake
>> 3.16. From what we can tell, the original target of 3.14 was likely based
>> on the CMake versions available in major Linux distributions at the time,
>> but 3.16 or later now seems to be widely enough available (Ubuntu 20.04 is
>> the main blocker for being able to go any higher than 3.16).
> 
> 3.16.0 was tagged on Nov 2019, which is a little too close for comfort. For
> comparison, we require GCC 8, which was released in May 2018.
> 
> However, given that no one has apparently complained and that upgrading cmake
> is far easier than the compiler, I have no objections.
> 

FWIW, on the Linux side, for KDE Frameworks we asked on the distributions at kde.org ML that same 
question recently, maybe the answers in that thread can help you:

https://mail.kde.org/pipermail/distributions/2021-March/000970.html

Have a good day.

-- 
Ahmad Samir