On Thu, 7 Oct 2021 at 07:34, Mikolaj Izdebski <mizdebsk@xxxxxxxxxx> wrote:
>
> Hello,
>
> I want to propose updating Java Packaging Guidelines [1] to allow
> installation of JNI shared objects in %{_prefix}/lib/%{name} or in
> %{_libdir}/%{name}, according to packager preference.
>
> %{_libdir} expands to either /usr/lib or /usr/lib64 (depending on
> system architecture), while %{_prefix}/lib always expands to /usr/lib.
> To see what %{_libdir} expands to on each platform, you can run: grep
> %_libdir -r /usr/lib/rpm/platform/
>
> Currently Java Packaging Guidelines require all packages to install
> JNI shared objects in %{_libdir}/%{name}, which causes issues for
> noarch packages that want to refer to such shared objects. For example
> Maven needs to install a symlink to libjansi.so. Since Maven is a
> noarch package, the symlink must technically point to one fixed
> location, but libjansi.so ought to be installed in different locations
> on different architectures. Moving libjansi.so to one location across
> all architectures solves this problem. An alternative solution
> involves usage of a ghost symlink manipulated by scriplets, which in
> my opinion is an inferior solution.
>
> Java has been granted multilib exemption by FESCo [2], therefore I
> would like to allow installation of JNI shared objects in
> %{_prefix}/lib/%{name} or %{_libdir}/%{name}.
>
> Does anyone have any objections or feedback before I go with this
> request to FPC?
>
> [1] https://docs.fedoraproject.org/en-US/packaging-guidelines/Java/
> [2] https://pagure.io/fesco/issue/961
Could it not be argued that JNI objects should *always* be in
%{_prefix}/lib because Java itself is not multilib-aware?.
--
Mat Booth
http://fedoraproject.org/get-fedora
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