[Development] Proposal to raise the minimum CMake version needed to build and use Qt 6.9

[Sune Vuorela]

On 2024-11-14, Joerg Bornemann via Development <development at qt-project.org> wrote:
> On 11/14/24 09:14, Sune Vuorela wrote:
>
>>> Or is it more specific that you think that the backports-provided cmake will not be stable enough for building software?
>>>
>>> CMake is generally very good in regards to compatibility and building older and newer projects.
>> 
>> The change in Debian unstable from 3.30 to 3.31 just made a lot of
>> Qt-using software fail to build, so I'm not so sure about the actual
>> correctness of that statement.
>
> Can you point me to such failures, please? We're aware of a lot of 
> warnings that were introduced by 3.31's new policies, but failures are a 
> different matter.

https://bugreports.qt.io/browse/QTBUG-87776 / 

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1087385

It might be a bug in the Qt cmakeage, but has been dormant for quite
some time.

/Sune