fyi -- http://hackcoop.com.ar
--- Begin Message ---Hi, I've looked around a bit for possible ways to prevent segfault issues like with the upgrade to 5.20.0. I tried adding a version to libperl.so (including setting a soname for the library), but that only helps programs that link to libperl (like weechat). In my (rather short) tests it wouldn't affect perl modules loaded by perl ("use FooBar::Blub;" in a perl script). Dead end IMHO. I also tried adding the major perl version (5.20) to the perl dirs we currently have in /usr/lib. So /usr/share/perl5/vendor_perl would become /usr/share/perl5/vendor_perl/5.20, similar for the others. Perl's default would do something similar, but include the full version which seems overkill since I didn't see a minor update break API. According to pkgfile[1] such a change would affect 117 packages with 112 of those actually having a .so file in there[2]. In case anyone wants to know, the 5 packages are: perl-sgmls stow foomatic-db-engine perl-anyevent perl-common-sense. [1]: pkgfile -r '/usr/lib/perl5/' | wc -l [2]: pkgfile -r '/usr/lib/perl5/.*\.so$' | wc -l This change would remove binary modules from perl's @INC on update (@INC is like $PATH, but for perl modules and contains the vendor_perl path mentioned above amongst others) which is pretty much what we want, except it leads to possibly confusing error messages ("module not found" rather than "libperl.so.$oldversion not found"), but it should prevent future segfaults in case of incompatible libs. Non-binary modules are in /usr/share/perl5/vendor_perl (note share instead of lib) and won't have to be rebuilt on perl upgrades. I don't know why it was originally set up to be non-versioned, but the wiki mentions that the current config is influenced by the Debian's perl policy which probably has different requirements. Unless people think it's a good idea to implement this now (would require a rebuild of ~130 packages) I'm targeting perl 5.22. The change should not require any changes to PKGBUILDs (tested weechat, perl-net-dns and perl-dbi). Any input is welcome, especially possible downsides of my idea.
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