Re: Fwd: glibc gconv package split
On Tue, Jun 22, 2021 at 08:18:09AM +0530, Siddhesh Poyarekar wrote:
[Fixing up my mailing list settings and re-sending]
Hello,
Apologies for the delayed announcement but as of
glibc-2.34.9000-13.fc35, the glibc package has been split to create a
new package glibc-gconv-extra to hold most converter modules into a
separate package. The common converters such as those for UTF-*,
ISO8859-1, ISO8859-15 and CP1252 remain in the core package. This
change allows users that do not have use for the extra modules to save
space as well as harden their systems; many of the infrequently used
modules have historically had bugs with security impact.
Thanks for doing this, more minimization is very welcome.
glibc-gconv-extra is recommended by glibc, so a regular update or
default installation should pull in glibc-gconv-extra and there should
be no noticeable change unless a user explicitly removes
glibc-gconv-extra at some point.
To preserve compatibility on upgrades, you should have
Obsoletes:glibc < $NEW_VERSION in both glibc and glibc-gconv-extra.
This causes dnf to install both packages when updating. This should
be present independently of the Recommends and conditional Requires,
which are mostly for new systems.
Zbyszek
> One user visible problem we discovered[1][2] was that buildroots do
> not install weak dependencies because of which glibc-gconv-extra goes
> missing from them. This may result in testing failures when
> applications try to test uncommon character set conversions. The fix
> to get that working again is to add a build dependency on
> glibc-gconv-extra.
>
> Please file bugs against glibc for any other issues you come across in
> charset conversions due to this split. We'll be happy to help resolve
> them.
>
> Siddhesh
>
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1973663
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=1974466
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