[Bug 1719798] Review Request: svt-av1 - Scalable Video Technology for AV1 Encoder

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https://bugzilla.redhat.com/show_bug.cgi?id=1719798



--- Comment #8 from Robert-André Mauchin <zebob.m@xxxxxxxxx> ---
(In reply to Jerry James from comment #7)
> (In reply to Robert-André Mauchin from comment #4)
> > 2. Not necessary as the needed libs are autodetected but ok
> 
> My reading of
> https://docs.fedoraproject.org/en-US/packaging-guidelines/
> #_requiring_base_package is that dependencies between subpackages must
> always be explicit, but perhaps I am reading it incorrectly.
> 
OK.
> 
> > 4. I fixed the build flags. But I need to keep mavx for this package, the
> > code is specifically designed for it, removing it would hinder performance
> > greatly.
> 
> Hinder performance, or make it not work at all?  If the former, then I think
> you should seriously consider the approach in the blog post referenced
> above.  Otherwise, you are almost guaranteed to have people filing bugs
> against this package complaining that they got an illegal instruction error.
> 
The encoder is designed to run on HEDT system. It would be useless to run on
older systems.
I'm asking FPC for an exception:
https://pagure.io/packaging-committee/issue/905

> It turns out that "-z noexecstack" is needed in the link flags.  Rpmlint now
> complains:
> 
> svt-av1-libs.x86_64: W: executable-stack /usr/lib64/libSvtAv1Dec.so.1.3.0
> svt-av1-libs.x86_64: W: executable-stack /usr/lib64/libSvtAv1Enc.so.1.3.0
> 
Will do.

> 
> > 6. Can't do. The tests needs to git clone a custom fork of aom during build,
> > which is not possible in Koji/Mock.
> 
> Okay.  It was worth asking. :-)
> 
> I will go ahead and approve this package.  Add -z noexecstack back into the
> link flags before you commit.

Thanks for the review!

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