On Fri, Jun 5, 2020 at 8:27 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

Stop this.  This change is driven by the Red Hat toolchain team
directly, at their own realization that Fedora's compiler policy is
out of line with upstream reality today.  They suggested it, they
submitted it, and they are driving it.  Chromium is used as an example
only.  Please stop gaslighting why Changes are being submitted in
Fedora.

Focus on the technical merits all you want.

josh

> 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.
>
> I would rather see us still *strongly prefer* GCC rather than allowing
> this to be freely changeable at a whim.
>
>
>
> --
> 真実はいつも一つ!/ Always, there's only one truth!
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