[PATCH] libstdc++: Enable std::text_encoding for darwin and FreeBSD

[Jonathan Wakely]

On Wed, 31 Jan 2024 at 09:38, Iain Sandoe wrote:
>
> Hi Jonathan,
>
> > On 30 Jan 2024, at 15:02, Jonathan Wakely <jwakely@redhat.com> wrote:
> >
> > This should fix the std/text_encoding/* FAILs that Iain sees on darwin.
> > I assume it will make it work for FreeBSD too.
> >
> > I won't push this until I hear it works for at least one of those.
>
> It works on x86_64-darwin{19,21,23} and on a cross to powerpc-darwin9.
> The header is present on all versions we currently support (although I did not yet
> test more widely than noted above).
>
> As discussed on IRC, Darwin is qualified to Posix 2003 (and does not, generally,
> have all the optional parts), so we do not expect the symbols to be present in
> locale.h (even with some _XOPEN_SOURCE= value).


OK, thanks for the checks. I've pushed it now.