Re: [PATCH] ldconfig: set LC_COLLATE to C

[Florian Weimer <fweimer at redhat dot com>]

On 11/27/2017 06:15 PM, Carlos O'Donell wrote:
> On 11/27/2017 09:02 AM, Florian Weimer wrote:
> > On 11/27/2017 05:36 PM, Carlos O'Donell wrote:
> > > A quick brainstorm:
> > >
> > > * Do nothing. A minimal number of users have broken systems because of collation
> > >     in their locale breaks certain packages adding known to sort incorrectly entries
> > >     from their distribution for ld.so.conf.d/.
> > >
> > > * Switch to C collation and have an unknown number of users with broken systems
> > >     because they used locale specific sorting for files they added to the
> > >     ld.so.conf.d/ directory to configure their systems.
> >
> > We can also enumerate twice and warn if there are any differences.
>
> Are you suggesting a 2 release staged change?
>
> * First release compare both collations, warn on differences.
>
> * Change the release default, and stop warning.
>
> It would not make sense to keep warning after the change.

Why do you say that?

System administrators might see the warning and realize immediately that 
this is an important change.

> > Or provide a tool like (glibc-system-check?) which reports this and
> > could be extended over time to also check for use of deprecated
> > features/APIs and so on.
>
> Would we use the tool to block upgrades?
>
> Detect /etc/ld.so.conf.d/* file names that would sort differently
> given the current locale and C locale, and return non-zero with
> a warning?

No, I think it would have to be purely advisory.

Thanks,
Florian