Re: Naming library with proper SONAME

On Wed, Mar 11, 2009 at 12:02:09AM +0100, Pau Garcia i Quiles wrote:
> 
> Read:
> http://www.elpauer.org/?p=230
> 
> "If your library version is the same as your soname version, you have
> not understood a thing of what I said above" :-)
> 
> Soversion should be a *single* unsigned int, starting from 0.
> 
> Why using the version number as the soversion is a bad, bad idea?
> Because bumping soversion means you have broken binary compatibility.
> Now, let's imagine this scenario:
> 
> luabind version      ABI break?    soversion
> ------------------------       -----------------    ----------------
> 
> 0.8.1                       N/A               0
> 0.8.2                       no                 0
> 0.9.0                       no                 0
> 0.9.1                       yes                1
> 0.10.0                     yes                2
> etc
> 
> "ABI break?" = "is this version binary compatible with the previous version?"
> 
> See? From 0.8.1 to 0.8.2, and from 0.8.2 to 0.9.0 luabind did not
> break ABI, so there was no need to bump soversion. If you were using
> the luabind version number as the soversion, you would be saying "I'm
> breaking ABI with every luabind release", which is not true.
> 

I completely understand.  However, what the luabind upstream developers
are proposing is to have the version be the SONAME.  I understand that
it is "wrong."  However, I am simply packaging for Debian. I am simply
trying to guage people's feelings with regard to SONAME issue as it
pertains to the package's suitability to be in Debian.

Regards,

-Roberto
-- 
Roberto C. Sánchez
http://people.connexer.com/~roberto
http://www.connexer.com

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