On Wed, 2025-01-15 at 17:23 +0100, Jakub Jelinek wrote: > On Wed, Jan 15, 2025 at 05:06:47PM +0100, Karolina Surma wrote: > > My Python 3.14 builds have started pulling gcc 15 in Fedora Rawhide > > (no > > side-tag). Is this intentional? > > If you mean that rawhide now uses gcc 15, then yes (not building 3.14 > is of > course not on purpose, but it might be that it is not valid C23 or > various > other reasons). > > > Unfortunately the builds also started to fail, so I'm trying to pin > > point > > the issue. The gcc version bump looks like a likely candidate. > > Has the version 15 already been released? > > No, it hasn't been released, but will be in April or May. > Fedora has been using gcc prereleases as system compilers usually > since mid > to late January for many years (don't remember exactly, decade and > half or > more). > > > I look at the documentation linked > > in the Fedora Change, but > > https://gcc.gnu.org/gcc-15/porting_to.html says: > > "Note: GCC 15 has not been released yet, so this document is a > > work-in-progress." > > Yes, we plan to add details there really soon, David Malcolm has > performed a > mass prebuild of Fedora with ~ a month old version of gcc over > Christmas > and its analysis is being finalized now. > > I guess for packagers the most important change is that gcc switched > in C > to -std=gnu23 by default (compared to -std=gnu17 default in gcc 14 > and some > earlier releases), which means that e.g. void foo (); changed > behavior from > function with unspecified parameters returning void to function with > no > parameters returning void (like in C++), bool, false, true are > keywords, > there is [[]] attribute support etc. > > David's notes are in > https://fedoraproject.org/wiki/F42-gcc-15-mass-prebuild#Automated_classification > I think, e.g. gentoo notes are in > https://wiki.gentoo.org/wiki/Modern_C_porting#Fixes_.28C23.29 I've now fleshed out the porting notes upstream at: https://gcc.gnu.org/gcc-15/porting_to.html and am continuing to add new stuff there. Hope this is helpful Dave -- _______________________________________________ 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 Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
