To Require or not to Require?
Matthew Garrett
mjg at redhat.com
Fri Aug 12 16:30:10 UTC 2011
On Fri, Aug 12, 2011 at 09:26:33AM -0700, Toshio Kuratomi wrote:
> On Fri, Aug 12, 2011 at 04:40:20PM +0100, Matthew Garrett wrote:
> > Upstream can change the ABI as much as they want without bumping the
> > SONAME providing that the old interfaces are also present. It's entirely
> > possible to end up with a situation where external binaries built
> > against 1.0.1 won't run on 1.0.0 - the problem isn't limited to
> > subpackages.
> >
> Sure. But in this case, upstream isn't changing the public ABI.
>
> It's a different level of mistake that's being practiced here.
What difference does it make? Even if you stick to the public ABI you
can't guarantee that a matching SONAME is sufficient. You need to depend
on the package version you build against.
--
Matthew Garrett | mjg59 at srcf.ucam.org
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