[packman] FYI: Essentials/A_tw-vlc unresolvable

[Manfred Hollstein]

On Mon, 12 Dec 2022, 14:59:06 +0100, Manfred Hollstein wrote:
> Hi Pete,
> 
> On Mon, 12 Dec 2022, 14:46:31 +0100, Hans-Peter Jansen wrote:
> > Am Samstag, 10. Dezember 2022, 12:53:55 CET schrieb munix9:
> > > FYI: Essentials/A_tw-vlc unresolvable
> > > 
> > > https://pmbs.links2linux.de/package/show/Essentials/A_tw-vlc
> > > 
> > > have choice for (pkgconfig(libavcodec) >= 57.37.100 with
> > > pkgconfig(libavcodec) < 59): ffmpeg-3-libavcodec-devel
> > > ffmpeg-4-libavcodec-devel, have choice for (pkgconfig(libavformat) >=
> > > 53.21.0 with pkgconfig(libavformat) < 59): ffmpeg-2-libavformat-devel
> > > ffmpeg-3-libavformat-devel ffmpeg-4-libavformat-devel, have choice for
> > > (pkgconfig(libavutil) >= 52.4.0 with pkgconfig(libavutil) < 57):
> > > ffmpeg-2-libavutil-devel ffmpeg-3-libavutil-devel
> > > ffmpeg-4-libavutil-devel, have choice for (pkgconfig(libswscale) with
> > > pkgconfig(libswscale) < 6): ffmpeg-2-libswscale-devel
> > > ffmpeg-3-libswscale-devel ffmpeg-4-libswscale-devel, have choice for
> > > pkgconfig(libpostproc): ffmpeg-2-libpostproc-devel
> > > ffmpeg-3-libpostproc-devel ffmpeg-4-libpostproc-devel
> > > ffmpeg-5-libpostproc-devel
> > 
> > FWIW, this seems to be the result of a rpm evaluator limitation. 
> > After disabling one ffmpeg version (ffmpeg-3), this issue was resolved.  
> 
> *was* it really resolved? AFAICS, it's still not working. The real cause
> is the line
> 
>   BuildRequires: (pkgconfig(libavcodec) >= 57.37.100 with pkgconfig(libavcodec) < 59)
> 
> which sounds easily computable for a human being, but apparently not for
> rpm.

I just looked at Essentials and openSUSE.org:openSUSE:Factory to find
out which ffmpeg version are supplied. Indeed, PMBS/Essentials still
provides ffmpeg-2 and ffmpeg-3, while openSUSE:Factory only has ffmpeg-4
and ffmpeg-5.

Does anybody know if there is a package in PMBS which still requires
ffmpeg-3 or even ffmpeg-3? I'm not sure if there is some "osc ..." magic
command which would show the affected packages - but, if there are any,
we would know very soon, if we would just build-disable the ffmpeg-2 and
ffmpeg-3 variants for TW!

> I had a similar issue with kodi* packages which I solved with the
> following:
> 
>   https://pmbs.links2linux.org/request/show/5626

This hack would then no longer be necessary :)

> > Best,
> > Pete

Cheers.

l8er
manfred
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