[CentOS-devel] CentOS 7 (1503) i686 Beta Architecture

Mon Jun 8 15:57:53 UTC 2015
Vladimir Stackov <amigo.elite at gmail.com>

Any chances for a dedicated SIG?
08.06.2015 16:59 пользователь "Jim Perrin" <jperrin at centos.org> написал:

>
>
> On 06/05/2015 05:46 AM, Vladimir Stackov wrote:
> > Greetings,
> >
> > currently we are maintaining own CentOS 7 i686 rebuild and I would like
> to
> > kindly ask you to replace following macros from gcc.spec:
> >
> > %if 0%{?rhel} >= 7
> > %ifarch %{ix86}
> >    --with-arch=x86-64 \
> > %endif
> > %ifarch x86_64
> >    --with-arch_32=x86-64 \
> > %endif
> >
> > with that:
> >
> > %if 0%{?rhel} >= 7
> > %ifarch %{ix86}
> >         --with-arch=i686 \
> > %endif
> > %ifarch x86_64
> >         --with-arch_32=i686 \
> > %endif
> >
> > x86-64 causes gcc to use extended instruction set for produced code and
> > it's impossible to run CentOS 7 i686 on older systems without SSE2
> > instruction because of SIGILL.
> > This affects Pentium 3, old VIA CPUs, old Xeons and some others.
> >
> > Is that possible?
>
>
>
> Overall, I'm hesitant here as folks (some of the epel devs as well as
> others) are looking at this as a way to supplement the 32bit environment
> for the base distro for building things like wine. I don't want to mix
> gcc build options for things that may live in both places.
>
>
>
> --
> Jim Perrin
> The CentOS Project | http://www.centos.org
> twitter: @BitIntegrity | GPG Key: FA09AD77
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>
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