Re: [Xen-devel] ANNOUNCE: Xen 3.0.5 rename to 3.1.0

[Brendan Cully <brendan@xxxxxxxxx>]

On Wednesday, 02 May 2007 at 22:53, Daniel P. Berrange wrote:
> On Wed, May 02, 2007 at 02:43:21PM -0700, Brendan Cully wrote:
> > On Wednesday, 02 May 2007 at 22:38, Daniel P. Berrange wrote:
> > > On Wed, May 02, 2007 at 11:33:04PM +0200, C?dric Schieli wrote:
> > > > Shouldn't the various library sonames (libblktap, libxenctrl, 
> > > > libxenguest,
> > > > libxutil, libxenstore) also be bumped to 3.1 ?
> > > 
> > > Why ? Doing that would uneccessarily break any apps built against them.
> > > As a general rule library so versions should not be artificially tied
> > > to the software release number. A new software release does not imply
> > > the library ABI has been changed - so versions should only be changed
> > > when there is an actual ABI breakage to deal with.
> > 
> > Apps should only break if the major number changes. Bumping the minor
> > should be fairly harmless. It usually just indicates that the library
> > has new functions (but is backward-compatible with anything in the same
> > major with a smaller minor).
> 
> Agreed - the .so's are using 3 digits, the first two of which are used
> by linker. So bumping 3.0.0  -> 3.0.1 would be fine, but the suggested
> change of 3.0.0 -> 3.1.0 would break things.

Sorry, hadn't noticed the linker was using the first two digits.

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