Re: Proposal: Reduce *-devel packages dependencies on other unneeded *-devel packages

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On Mon, Aug 13, 2018 at 11:03 AM Dominique Martinet <dominique.martinet@xxxxxx> wrote:
Igor Gnatenko wrote on Sun, Aug 12, 2018 at 10:46:34PM +0200:
> I've submitted
> https://fedoraproject.org/wiki/Changes/Stop_pulling_dependencies_for_static_libraries
> to improve the situation.

I've posted on the other overlinking thread about pkgconfig and got
corrected that Requires.private is not just for static linking.

This is not what man page says.

     Requires.private
             Required dependencies that must be met for the package to be usable for static linking.  All dependencies must be satisfied or the pkg-config implementation must not use the package for static
             linking.  (optional; dependency list)

Short version:
 Requires = pulls in link and cflags (include paths etc)
 Requires.private = pulls in cflags and (libs if --static)
 Requires.internal = pulls in libs only with --static


Long version can be found in this freedesktop bug:
https://bugs.freedesktop.org/show_bug.cgi?id=105572

(We, fedora, use pkgconf that already has this implemented in 1.5.0 that
is in f29/rawhide; the original freedesktop pkgconfig has not yet but
would seem to agree on principle)

I will talk to pkgconf developers to clarify behavior.

So going by the same rule, Requires.private means headers from these
libs can be used... and headers are in -devel packages, so they would
need to be pulled as they currently are.

--
Dominique Martinet
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--

-Igor Gnatenko

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