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Re: library-related policy question



Nikita V. Youshchenko wrote:
> Hi
> 
> Is there an statement in Debian Policy that explicitly requires higher 
> version of a shared library package to be backwards-binary-compatible with 
> previous versions of the same package?
> 
> I mean, is a situation when after library package upgrade local binaries 
> stops working because of missing symbols, by definition an RC bug against 
> library package? Or is depends on particular situation?

Yes, it's an RC bug. If you break the API and/or ABI, you need to change the
package name and the SONAME.

See e.g.
http://www.netfort.gr.jp/~dancer/column/libpkg-guide/libpkg-guide.html#binarycompat

Cheers,
Emilio

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