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List:       fedora-devel-list
Subject:    Re: DNF vs YUM, $pkg, $pkg-mpi, $pkg-openmpi having same provides
From:       Sandro Mani <manisandro () gmail ! com>
Date:       2015-06-16 22:44:29
Message-ID: 5580A6CD.4050308 () gmail ! com
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On 16.06.2015 17:02, Miloslav Trmač wrote:
> > On 16.06.2015 00:30, Susi Lehtola wrote:
> > > On 06/14/2015 03:02 PM, Sandro Mani wrote:
> > > > On 14.06.2015 16:28, Sandro Mani wrote:
> > > > > Rules to generate such requires/provides:
> > > > > * Provides: if the path of the library starts with $MPI_LIB, append
> > > > > the (openmpi) resp (mpich) to the provides string
> > > > > * Requires: if the path of the scanned object starts with $MPI_LIB and
> > > > > the required library exists in $MPI_LIB, add (openmpi) resp (mpich) to
> > > > > the requires string
> > > > > 
> > > > > Overriding the find-requires.sh could be done with a
> > > > > %{?openmpi_package_header}.
> > > > Concrete examples:
> > > > 
> > > > https://smani.fedorapeople.org/mpi-find-provides
> > > > https://smani.fedorapeople.org/mpi-find-requires
> > > > 
> > > > Konsole output
> > > > $ echo -e
> > > > "/usr/lib64/openmpi/lib/libnglib-5.3.1.so\n/usr/lib64/libnglib-5.3.1.so"
> > > > > ./mpi-find-provides
> > > > libnglib-5.3.1.so()(64bit)(openmpi-x86_64)
> > > > libnglib-5.3.1.so()(64bit)
> > > Sounds even better... although your links give HTTP 403.
> > Thanks for the feedback. Permissions fixed, sorry about that.
> > 
> > To discuss this further, should it be drafted as a Change and go to
> > FESCO, or rather filed as an FPC ticket?
> The find-* scripts should probably be a bug filed against RPM.
> 
> If written packaging guidelines are needed in addition to just adding the scripts, \
> that would be a FPC ticket. 
> A Change is necessary neither for new features in RPM (though you can write one if \
> you want users of F23 to know about it) nor for packaging guidelines additions to \
> be applied in future packages.  A Change would be desirable if the packaging \
> guidelines change involved a coordinated mass change, i.e. "everyone else please \
> update your packages to help make this happen".
Ok, the bug is

https://bugzilla.redhat.com/show_bug.cgi?id=1232504

and I've also filed a self-contained change proposal since some 
coordination will be needed to rebuild all MPI packages if this gets 
accepted:

https://fedoraproject.org/wiki/User:Smani/RpmMPIReqProv

I'd need a proven packager willing to do the mass-rebuild though.

Thanks,
Sandro

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