[buildd-tools-devel] re buildd's resolver and package's build deps

[Peter Pentchev]

On Wed, Feb 23, 2011 at 12:27:00PM +0200, Peter Pentchev wrote:
> On Wed, Feb 23, 2011 at 10:45:06AM +0100, Philipp Kern wrote:
> > On Tue, Feb 22, 2011 at 10:40:52PM +0000, Roger Leigh wrote:
> > > From discussion on IRC earlier this evening, it looks like the most
> > > pragmatic approach will be to get the apt and aptitude sbuild
> > > resolvers to strip the alternatives (after arch reduction), which
> > > will make them behave pretty much exactly like the old internal
> > > resolver, but without its bugs.  This will leave maintainers free to
> > > use alternative dependencies, but like now they will be ignored.
> > > What we can do though, is make the use of alternatives configurable
> > > in sbuild, so you will be able to make use of them when building for
> > > other suites e.g. backports.  This will disable the stripping.
> > 
> > I find this acceptable[0].  Thanks for driving this.
> > 
> > Kind regards
> > Philipp Kern
> > 
> > [0] I didn't agree with the earlier suggestion of telling people to stop
> >     the use of alternatives instead of using predictable behaviour on
> >     the resolver side but tried to stay out of the thread.
> 
> Hi, and apologies in advance if this is a stupid question or if it has
> already been discussed :)
> 
> Is it possible that this should lead to problems with further levels of
> package dependencies?  E.g. something like that for two packages:
> 
> foo/control:
> Depends: bar-dev, libdb-dev | libdb4.7-dev

Errr, of course this one should be Build-Depends.

> bar-dev/control:
> Depends: libdb4.7-dev
> 
> I realize that this is a somewhat contrived case, but still... wouldn't
> it break, or would that be considered a bug in the packages'
> dependencies?  If the latter, well, wouldn't this leave the maintainer
> of foo a bit vulnerable against random decisions by the maintainers of
> bar-dev?

G'luck,
Peter

-- 
Peter Pentchev	roam at ringlet.net roam at FreeBSD.org peter at packetscale.com
PGP key:	http://people.FreeBSD.org/~roam/roam.key.asc
Key fingerprint	FDBA FD79 C26F 3C51 C95E  DF9E ED18 B68D 1619 4553
.siht ekil ti gnidaer eb d'uoy ,werbeH ni erew ecnetnes siht fI
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.alioth.debian.org/pipermail/buildd-tools-devel/attachments/20110223/1b36949b/attachment.pgp>