Package: perl Version: 5.26.2-4 Severity: important User: debian-p...@lists.debian.org Usertags: hh2018
We currently have Provides entries for dual life module packages in perl-modules-5.26 and libperl5.26, because the corresponding modules are shipped in those packages. These packages are versioned and coinstallable between major versions: a system upgraded to Perl 5.26 can still have perl-modules-5.24 and libperl5.24 installed in addition to perl-modules-5.26 and libperl5.26. This can be a problem when these Provides differ between the versioned packages, as the old package lying around still satisfies dependencies even though /usr/bin/perl doesn't see the modules. We will be hitting this with Perl 5.28: B::Debug has been deprecated after 5.26, so perl-modules-5.26 Provides libb-debug-perl but perl-modules-5.28 will not. This made libdevel-cover-perl_1.29-2 fail to build in our rebuild tests because perl-modules-5.26 was still lying around in the build chroot so the separate libb-debug-perl did not get installed. The fix is probably to move the Provides (and probably Replaces and Breaks too?) to the perl binary package, which pulls in libperl5.xx and perl-modules-5.xx. I'm slightly worried about upgrades from stretch, but assuming there are no other dual life module changes than B::Debug for buster, the effect is probably minor. -- Niko Tyni nt...@debian.org