Re: obsoleting shlibs - what's the plan

[uwe%stderr.spb.ru@localhost (Valeriy E. Ushakov)]

Michael van Elst <mlelstv%serpens.de@localhost> wrote:

> On Thu, Mar 27, 2008 at 07:53:30AM -0400, Greg Troxel wrote:
>> mlelstv%serpens.de@localhost (Michael van Elst) writes:
>> 
>> This is now moot, as Luke said he fixed the set lists to remove the
>> obsolete tag on the old libs.
>> 
>> > I believe that programs linked against the old libraries
>> > will not work or not work correctly when they start using
>> > these libraries, i.e. when they call kerberos functions.
>> 
>> Can you explain why?  Please assume that they worked correctly before
>> the upgrade.
> 
> I don't pretend to know all possible conflicts, but the old
> libraries will fail as soon as you use new features, like
> the in-memory credential cache.

But that's the point, old apps don't know anything about new features
- they still load old libs (and fail when the old libs are deleted,
b/c for them the new major version effectively doesn't exist).


> In any case, the discussion has ended.

And the bottom line is - never *ever* mark old major versions of
shared libs as obsolete in set lists.


SY, Uwe
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