wrong numbering in lib versions

[Jasper Huijsmans]

Hey,

Just for my own sake, let me explain my current understanding of our
library versioning policy. Please correct me if I'm wrong. 

A libtool library version consists of three digits, refered to as
current:revision:age. 

For current and revision the rules seem clear. We only update them for
public releases to prevent version number inflation. For a release: 
1) when there are removed, added or changed interfaces, increase
current, set revision to 0; 
2) when only implentation changed, increase revision.

The age part is a bit more confusing. The official gnu recommendation
is: 
1) when interfaces are added, increase age;
2) when interfaces were removed, set age to 0.

However, we increase the value of age when interfaces have changed in
CVS to be able to depend on them from the configure scripts. 

We won't lose any information on releases if we still keep to the gnu
recomendation as well, that is don't set the age to 0 if there were only
interface additions. 

Is this correct, or am I missing something?

	Jasper


On 15 May 2003 23:40:15 +0200
Olivier Fourdan <fourdan at xfce.org> wrote:

> Hi all,
> 
> FYI, the problem that arised with libxfcegui4 (version 0.2x vs. 0.0.2x
> being more recent) is also in libxfce4mcs (at least)
> 
> It seems that arround beginning of may, someone wrongly set the lib
> versions number on 2 digits instead of 3 and that causes the old lib
> to be used in place of the new ones.
> 
> Better rip off all xfce4 libs and reinstall, that would be safer
> (especially after a feature freeze, when looking for bugs, we'd better
> use the most accurate lib versions!)
> 
> Cheers,
> -- 
> Olivier Fourdan <fourdan at xfce.org>
> http://www.xfce.org
> 
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