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List:       fedora-devel-list
Subject:    Re: F37 proposal: Add -fno-omit-frame-pointer to default compilation flags (System-Wide Change propo
From:       Florian Weimer <fweimer () redhat ! com>
Date:       2022-11-22 15:19:32
Message-ID: 87a64jow3f.fsf () oldenburg ! str ! redhat ! com
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* Neal Gompa:

> On Tue, Nov 22, 2022 at 6:54 AM Florian Weimer <fweimer@redhat.com> wrote:
>>
>> Why isn't this something that is up to the toolchain team to decide?
>>
>
> The toolchain team doesn't work with the full corpus of packages,
> doesn't really interface with most of the packagers, and doesn't work
> with most of the upstreams that make up Fedora. So by that definition,
> the toolchain team can't decide either.

Still I think this interferes *a lot* in an area that should the package
maintainer's prerogative.

As of today, we do not have patches to build glibc with frame pointers
on most architectures.  Someone said on the ticket that they have done
it, but they haven't upstreamed their patches.  The individual changes
may be tiny, but just for x86-64, roughly 500 assembler files need
patching.  I just don't see us maintaining this as a downstream-only
patch.  And without these patches, the most widely used glibc functions
(by executed instructions) won't have frame pointers.

Thanks,
Florian
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