[cfe-dev] libc++ supporting older compilers

James Y Knight via cfe-dev cfe-dev at lists.llvm.org
Sat Dec 19 14:37:13 PST 2015


On Dec 19, 2015, at 5:12 PM, Renato Golin via cfe-dev <cfe-dev at lists.llvm.org> wrote:
> On 19 December 2015 at 21:31, Chandler Carruth <chandlerc at google.com> wrote:
>> Even using libstdc++ with Clang is mostly impossible from 5+ because of the
>> abi_tag disaster.
> 
> Hum, you're right. I completely forgot about this... We're tracking it
> on in PR23529, but I don't see any recent progress.
> 
> I agree it's a disaster, but we'd have to make it work somehow if
> we're going to support any future Linux distribution. Is there anyone
> talking to the GNU guys about it?

There is some recent progress in the review thread about D12834 (didn't make it to Phabricator) from sbergman. I don't think there's really anything to talk to the GCC people about -- clang just needs to finish implementing the feature...
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