[wip][patch] use qmake with autoconf for qt5 too

[Jean-Marc Lasgouttes]

Le 17/06/2024 à 16:41, Jean-Marc Lasgouttes a écrit :
> Le 15/06/2024 à 22:59, Enrico Forestieri a écrit :
>> On Fri, Jun 14, 2024 at 08:09:00PM +0200, Jean-Marc Lasgouttes wrote:
>>>
>>> This seems to work, although for some reason it does not add 
>>> x11extras here.
>>
>> Actually, x11extras is detected but you forgot about HAVE_QT5_X11_EXTRAS.
> 
> I thought that it would add a library, but it is only a header thing, 
> right?

I pushed this change to master, along with a warning when the qmake way 
did not work. Please tell me when this triggers a warning, so that we 
can understand what happens and how to solve it.

JMarc