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Re: Results of a test mass rebuild of rawhide-20090126 with gcc-4.4.0-0.9



On Tue, Feb 03, 2009 at 03:39:29PM -0500, Orcan Ogetbil wrote:
> On Tue, Feb 3, 2009 at 2:59 PM, Jakub Jelinek  wrote:
> > On Tue, Feb 03, 2009 at 08:52:53PM +0100, Julian Sikorski wrote:
> >> I took a stab at fixing museek+, and I was able to get a bit farther.
> >> Now, I'm stuck. It says ld returned 1 exit status without an apparent
> >> reason:
> >> https://koji.fedoraproject.org/koji/getfile?taskID=1102268&name=build.log
> >> Please help.
> >
> > There is a whole bunch of errors about undefined __sync_fetch_and_add_4
> > from what I can see.  These are the same reason as has been discussed
> > before, this libstdc++ header requires -march=i486 or later (the default
> > is -march=i586, but i386.rpm builds use explicit -march=i386).
> > Koji will be hopefully changed soon to default to i586.rpm or i686.rpm.
> >
> >        Jakub
> 
> Do we need to "fix" these flags in the SPEC file, or shall we wait
> until koji is "fixed"?

Wait, please don't change SPEC files for this.  I'm going to surround
_GLIBCXX_ATOMIC_BUILTINS_N defines in c++config.h with
#ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_N guards in 4.4.0-0.14, which
should allow even building of -march=i386 stuff against that libstdc++.

	Jakub


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