[Development] Houston, qint128 has a problem

[Marc Mutz]

We should really try to fix this before 6.8.0 (LTS).

On 09.12.23 18:38, Thiago Macieira wrote:
> On Friday, 8 December 2023 18:51:19 PST Marc Mutz via Development wrote:
>> I think we need to mandate that if you want qint128 support, then you
>> must compile with gnu++NN, which is actually the default on both GCC and
>> Clang. We seem to switch that off (-ansi on).
> 
> Now answering the point you actually raised:
> 
> I agree. If you want to use our qint128 API, you should use a standard C++
> library that knows about it too. You can mismatch at your own risk.
> 
> That only brings the problem that QtCore and QtTest must support int128 if the
> library *can* support it. We must either switch to non-strict mode in
> compiling those two libraries or we must ignore our own flag in them. Neither
> option is appetising.
> 
> 
-- 
Marc Mutz <marc.mutz at qt.io> (he/his)
Principal Software Engineer

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