Qt & gcc requirements for 2.4

[Scott Kostyshak]

On Mon, Nov 14, 2022 at 11:25:27AM +0100, Pavel Sanda wrote:
> Hi,
> 
> since (at least) fff28c57561a our master does not compile with gcc 4.9 anymore.
> Also it seems that there is agreement that Qt4 won't be supported for 2.4 either.

I think we are leaning that way but I don't think we've decided that
definitively. I bumped an email related to this.

> What should we state in the INSTALL now?
> 
> I guess that boils down to two separate questions:
> 
> - minimal (theoretical) requirements:
>   I see JMarc dropped  __cplusplus >= 201402L, what it means in term of gcc(clang)?
>   Is there someone running Qt < 5.15?
> 
> 
> - real tested combinations:
>   What are the real Qt numbers/gcc(/..) numbers we use?
> 
> 
> I mostly run gcc 10.2.1 & Qt 5.15.2 but largely still depend on 2.3.6, so
> it would be worth to known what ppl really running 2.4 use...
> 
> 
> Pavel
> 
> PS: I still keep the old Qt4/gcc 4.9 combo to solely check there were are
>     2.3.x compliant, but will drop it immediately after 2.3 final release.

I use master with 5.15.3.

Scott
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