Hello, Il 28/10/24 16:39, Fabian Kosmale via Development ha scritto:
However, if it comes to ABI, I'm not convinced that we have a solution. As long as e.g. libstdc++ declares its support experimental, are we really willing to export C++20 symbols from Qt? If not, do we have strategy to prevent this from happening?
This isn't just about exporting C++20 symbols from Qt, is it? The very fact that Qt _consumes_ C++20 symbols makes Qt exposed to an ABI break by libstdc++.
In other words, even we use C++20 as a mere "implementation detail" for us, we'd still be exposed to this issue.
(It's still a bit unclear to me which C++20 datatypes we'd actually expose through an API/ABI boundary).
My 2 c, -- Giuseppe D'Angelo | giuseppe.dang...@kdab.com | Senior Software Engineer KDAB (France) S.A.S., a KDAB Group company Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com KDAB - Trusted Software Excellence
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