Re: SO versioning in the spec file

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On Mon, 2022-01-03 at 19:30 -0500, Neal Gompa wrote:
> On Mon, Jan 3, 2022 at 7:08 PM Scott Talbert <swt@xxxxxxxxxx> wrote:
> > 
> > On Mon, 3 Jan 2022, Ian McInerney wrote:
> > 
> > > Spurred off of the recent lxqt thread in devel
> > > (https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx/thread/DBK3A4KMS7P3MX6FLXQYNTA665T6X433/
> > > ) that bumped the soname for another library in the stack without
> > > announcing that one, I looked in the packaging guidelines to see if
> > > there was anything about how to represent the soname version in the
> > > spec and didn't see anything.
> > > 
> > > I know I have seen some mention on the devel list about using a
> > > global
> > > define to set the so version, and then using that in the %files
> > > section
> > > instead of a glob on the shared library so that an so version bump
> > > is
> > > caught at build time and errors it without packager intervention,
> > > but
> > > that doesn't appear to be listed in the packaging guidelines at
> > > all.
> > > What are people's thoughts on adding a section about handling so
> > > versions alongside the soname section? It say to use the global
> > > define/no glob method in the spec (although I haven't decided if I
> > > think
> > > it should be a SHOULD or a MUST criteria). I feel that could help
> > > reduce
> > > these unannounced breakages that seem to crop up and that are
> > > annoying
> > > to scramble to fix afterwards.
> > > 
> > > Thoughts? Or did I overlook a place in the packaging guidelines
> > > that
> > > already discusses this?
> > 
> > There's this section[1] that states that you SHOULD NOT use a glob
> > for
> > %files, but it doesn't talk about using a macro.
> > 
> > [1]
> > https://docs.fedoraproject.org/en-US/packaging-guidelines/#_listing_shared_library_files
> > 
> 
> Something I've done in openSUSE and Mageia that might be worth doing
> in Fedora is a namespaced glob, where the somajor is specified and the
> sublevels are globbed.
> 
> You can see an example of this with my fdk-aac-free package in
> openSUSE here:
> https://code.opensuse.org/package/fdk-aac-free/blob/4d35a883c89e7569349fc21664d8c5d1a2de6328/f/fdk-aac-free.spec#_87
> 
> Admittedly, it's a lot easier for me to do it this way in openSUSE and
> Mageia rather than Fedora since I also need to name the library
> packages with the somajor in them...


we do this in several packages, one is opencv
https://src.fedoraproject.org/rpms/opencv/blob/rawhide/f/opencv.spec#_395

-- 
Sérgio M. B.
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