[cfe-dev] May libc++ support symbol versioning?
Joerg Sonnenberger via cfe-dev
cfe-dev at lists.llvm.org
Tue Feb 25 05:38:11 PST 2020
On Tue, Feb 25, 2020 at 06:30:21AM +0000, Zhihao Yuan via cfe-dev wrote:
> I got message from FreeBSD about whether
> they can upgrade to V2 ABI. To summarize
> the discussion:
> FreeBSD is not willing to land an ABI
> break unless it is for the purpose of
> introducing symbol version because
> breaking libc++ ABI means breaking
> ABI in three actively supported
> FreeBSD versions. There is no such
> thing called "break in the next release."
> May libc++ support symbol versioning
> in V2 or a specific variant of ABI?
As I wrote in that thread, symbol versioning doesn't fix any of the
problems ABI stability in libc++ has.
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