Bare metal C++ with a GNU/Linux toolchain

[François Dumont]

On 18/05/22 13:16, Florian Weimer via Libstdc++ wrote:
> It seems that it is fairly straightforward to eliminate dependencies on
> libstdc++ if only a C++ subset is used (no exception handling, no RTTI,
> no operator new, etc.).

Those C++ features are in libsup++, not libstdc++.

You should still be able to use full C++ without libstdc++.

I used to do so when working on STLport but it was such a long time ago 
that the way we were doing it is surely outdated.


>    But once you use abstract classes, you
> necessarily gain a reference to __cxa_pure_virtual.
>
> Would it be possible to document this symbol as interposable, so that
> developers can bring their own definition if they want?  If yes, what
> would be the appropriate place for this?
>
> Thanks,
> Florian
>