Re: OSABI

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Thu, Aug 18, 2016 at 08:27:12PM +0200, Manuel Bouyer wrote:
> On Thu, Aug 11, 2016 at 10:38:10PM +0200, Joerg Sonnenberger wrote:
> > On Thu, Aug 11, 2016 at 08:06:54PM +0100, Patrick Welche wrote:
> > > On Tue, Aug 02, 2016 at 09:43:30PM +0200, Manuel Bouyer wrote:
> > > When comparing 7.0.1 to 7.0, is it reasonable for the match to fail?
> > > e.g., my guess is that those package are built on 7.0.1 with pkgver=7.0,
> > > so should be fine - is that true? If so, do we want a
> > > 
> > > NetBSD)
> > >             OS_VERSION=`echo "${OS_VERSION}" | \
> > >                     sed -e's/\([0-9]*\.[0-9]*\).*/\1/'`
> > 
> > We certainly don't want x.99.y to be compatible with x.99.z; more
> > difficult are the questions for the rest. E.g. 7.0 and 7.1 should not be
> > considered compatible,
> 
> why ? I use 6.0 packages on 6.1.x or 6.1_STABLE hosts without problems.
> This is what backward compat is for.

osabi is about the kernel interface for kvm grovellers and x11links for
the library interface. At least the former is highly likely to be not
fully compatible between 6.0 and 6.1. Whether the latter works depends
on a number of factors. Consider the history e.g. of FreeType updates,
it is not a given either.

Joerg