On 10/28/20 7:29 AM, Jonathan Wakely wrote: > On 28/10/20 13:31 +0100, Florian Weimer wrote: >> * 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? > > Right. > >> Not much software in Fedora uses the C++ standard library (even at older >> C++ versions), so impact on Fedora itself should be limited. > > On Fedora iteself, yes. But not necessarily on users compiling their > own code (or other third-party libraries) using the system compiler. > >> I can help you with diagnosing required ABI transitions and package >> rebuilds. > > I'd rather just be able to change things freely during stage 1 :-) The only thing on the table in the immediate term is to start dropping gcc snapshots into rawhide after stage1 development closes -- ie mid Nov. So it shouldn't impact your desire to be able to break things during gcc stage1 :-) While I think we should seriously consider even earlier drops, that would be in the gcc-12/F36 timeframe and would require a distinct change proposal and I think it would be significantly more controversial. Jeff _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx
