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List:       fedora-devel-list
Subject:    Re: [ELN] gcc is going to be updated to gcc11 in the ELN buildroot ahead of Rawhide
From:       Florian Weimer <fweimer () redhat ! com>
Date:       2020-10-28 12:31:19
Message-ID: 87eeliy1k8.fsf () oldenburg2 ! str ! redhat ! com
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* Jonathan Wakely:

> Dropping GCC 11 into rawhide now would mean I can't make certain
> ABI-breaking changes to the C++20 library in upstream GCC, because it
> would be landing on real users' machines. Which means I lose several
> weeks of GCC's stage 1 development. No thanks.

This is for C++20 library support only, right?

Not much software in Fedora uses the C++ standard library (even at older
C++ versions), so impact on Fedora itself should be limited.

I can help you with diagnosing required ABI transitions and package
rebuilds.

Thanks,
Florian
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