[oi-dev] tips for building a Qt6 extension?

[Aurélien Larcher]

Hi,
the release notes specify that C++20 is required to build QtWebEngine, the
features of which at the time of the release may have been better supported
by Clang.
GCC 10 did not provide full support for consteval and improved template
deduction.
Any GCC >= 12 is probably suitable, and GCC 13 definitely is.
If you insist on Clang, any >= 18 will probably do the job and as long as
the same libstdc++ it should be fine.

Howeber I would stick to the system GCC if I were you.
Given that GCC is more permissive and more forgiving with template
deduction, it should OK.

Cheers

Aurélien


Le mardi 27 octobre 2026, Tim Mooney via oi-dev <oi-dev at openindiana.org> a
écrit :

>
> All-
>
> Some software I'm experimenting with needs Qt WebEngineWidgets,
>
>         https://doc-snapshots.qt.io/qtwebengine/qtwebengine-platform
> -notes.html
>
> That's not part of OI's Qt6 build.  That's fine, it looks like it should
> be built (and if relevant, packaged) separately.
>
> I've never built a Qt extension, though, and this one specifically says
> it can't be built with GNU C/C++, it requires Clang.
>
> I'm not asking anyone to build and package this, but I'm wondering if
> anyone has any suggestions for building *any* Qt(6) extension with Clang?
> I'm pretty familiar with gcc, but I have next to no experience with Clang.
>
> It looks like OI's qtcreator package uses g++ but also requires Clang?
> Would that be the best option for an example, or is there something
> better?
>
> Thanks,
>
> Tim
> --
> Tim Mooney                                             Tim.Mooney at ndsu.edu
> Enterprise Computing & Infrastructure /
> Division of Information Technology    /                701-231-1076 (Voice)
> North Dakota State University, Fargo, ND 58105-5164
>
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