[mythtv] Building with qt6

[Peter Bennett]

On 4/23/26 16:49, Scott Theisen wrote:
> On 2026/04/23 16:04, Peter Bennett wrote:
>>
>> On 4/23/26 14:25, Scott Theisen wrote:
>>> Peter,
>>>
>>> Regarding Qt, do you have qt6-base-private-dev and 
>>> qt6-declarative-private-dev installed?
>> No I do not. However I see that qt6-base-private-dev that ubuntu have 
>> available is version 6.4.2 so it is also rather outdated.
>
> If you install qt6-base-private-dev and qt6-declarative-private-dev, I 
> think it should work.  (I don't know if qt6-declarative-private-dev is 
> necessary, but I saw that one also listed when I searched online.)
>
> MythTV should work with any Qt 6 version >= 6.4.0.
>
>>>
>>> FFmpeg wants vulkan >= 1.3.277.  This is autodetected in FFmpeg's 
>>> configure by default, so I don't think it is really necessary to 
>>> explicitly enable or disable it.  I don't know why the CMake 
>>> settings weren't working.
>
> The version of vulkan in Ubuntu 24.04 is 1.3.275, so is too old for 
> what FFmpeg wants, but it should be fine if FFmpeg disables it.
>
> _______________________________________________
>
The bug fix I was trying to test was in systems since QT 6.5. I will 
wait for Ubuntu 26.04, which comes with QT 6.10.2.