Re: mingw-gcc-12.0.1 and mingw-binutils-2.38 coming to rawhide

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On Thu, 24 Mar 2022 at 08:49, Sandro Mani wrote:
>
>
> On 14.03.22 23:50, Sandro Mani wrote:
> > Hi
> >
> > As per [1] I'll be landing mingw-gcc-12.0.1 and mingw-binutils-2.38
> > towards the end of the week. I've completed test-builds here [2].
>
> Looks like there is an ABI incompatibility (std::__once_functor went
> away), I'll need to rebuild all dependent mingw packages:

FWIW this means mingw now supports TLS and this libstdc++-internal
macro changed value:
#ifdef _GLIBCXX_HAVE_TLS

That causes libstdc++ to use a different definition of std::call_once,
without the std::__once_functor global.
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