F21 system GCC changed to 4.9.0 prerelease

Corey Sheldon sheldon.corey at gmail.com
Thu Apr 10 18:09:14 UTC 2014


how stable is the x86 4.9 prerelease?
when building I mean


Corey W Sheldon
Owner, 1st Class Mobile Shine
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On Thu, Apr 10, 2014 at 2:05 PM, Josh Boyer <jwboyer at fedoraproject.org>wrote:

> On Thu, Apr 10, 2014 at 11:01 AM, Josh Boyer <jwboyer at fedoraproject.org>
> wrote:
> > On Thu, Apr 10, 2014 at 10:15 AM, "J├│hann B. Gu├░mundsson"
> > <johannbg at gmail.com> wrote:
> >>
> >> On 04/10/2014 02:06 PM, Josh Boyer wrote:
> >>>
> >>> On Thu, Apr 10, 2014 at 6:23 AM, Jakub Jelinek <jakub at redhat.com>
> wrote:
> >>>>
> >>>> Hi!
> >>>>
> >>>> FYI, gcc in rawhide has been upgraded to 4.9.0 prerelease,
> >>>> please visit http://gcc.gnu.org/gcc-4.9/porting_to.html if your
> >>>> package no longer builds.  To investigate runtime rather than compile
> >>>> time
> >>>> issues, please consider using temporarily -fsanitize=undefined and/or
> >>>> -fsanitize=address to look for undefined behavior in the packages
> >>>> you own.
> >>>
> >>> Hm.  So the kernel I tried to build this morning failed on ARM:
> >>>
> >>>
> http://koji.fedoraproject.org/koji/getfile?taskID=6723963&name=build.log
> >>>
> >>> That cross-built locally (gcc 4.8.1) here fine before I sent it to
> >>> koji.  Anyone have any ideas on that?
> >>
> >> Could be this [1]
> >>
> >> JBG
> >>
> >> 1. http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60663
> >
> > Indeed.  I just found that myself.  Thanks.
>
> On the bright side, a scratch build with just i686 and x86_64 does build
> fine:
>
> http://koji.fedoraproject.org/koji/taskinfo?taskID=6724931
>
> So the issue seems isolated to ARM.  At least in terms of building.
> Haven't tested functionality yet.
>
> josh
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