On Fri, Jun 5, 2020 at 10:24 AM Richard W.M. Jones <rjo...@redhat.com> wrote: > > On Fri, Jun 05, 2020 at 08:27:13AM -0400, Neal Gompa wrote: > > On Fri, Jun 5, 2020 at 8:26 AM Neal Gompa <ngomp...@gmail.com> wrote: > > > > > > On Fri, Jun 5, 2020 at 6:47 AM Vitaly Zaitsev via devel > > > <devel@lists.fedoraproject.org> wrote: > > > > > > > > On 05.06.2020 09:52, Kevin Kofler wrote: > > > > > I am opposed to this change. Chromium and Firefox build fine with > > > > > GCC. I > > > > > think that a distribution should be built with a consistent toolchain > > > > > wherever possible. > > > > > > > > Clang is much better than GCC nowadays. It has better architecture, > > > > support lots of optimizations and analyzers. > > > > > > > > GCC is a legacy compiler. It should be completely replaced by Clang in > > > > the nearest future. > > > > > > > > > > Having worked in a distribution that uses Clang by default > > > (OpenMandriva), I can say that this is *not true*. Switching from GCC > > > to Clang cost OpenMandriva a lot of performance. It also cost them a lot > > > of > > > security hardening at the compiler level. GCC-built binaries are still > > > better, and remain better as long as people are continually using and > > > developing for it. > > > > > > This change appears to largely be driven by the maintainers of web > > > browser packages that upstream have no GCC validation and it has to be > > > done in Fedora downstream. I know Chromium is a lost cause (Google > > > couldn't possibly care any less than they do now, especially since > > > they don't even care about Python 2 being EOL), but has anyone talked > > > to Mozilla about introducing GCC-based CI for Firefox code? I assume > > > they have a CI infrastructure that's relatively pluggable. > > > > > > Note that having stuff mix compilers is also a bad idea because LTO is > > > compatible across the two compilers. If you want to use LTO, you need > > > to use the same compiler across the chain, or stuff will break. > > > > > > > Yay thinkos... I mean that LTO is *not* compatible across the two compilers. > > Does this change conflict with: > > https://fedoraproject.org/wiki/LTOByDefault > > ?
Yes. We cannot reasonably implement this and that feature. -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org 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@lists.fedoraproject.org
