[buildd-tools-devel] Bug#766939: wanna-build: Wanna-build considers alternatives, but buildds don't, causing futile builds

[Kurt Roeckx]

On Mon, Oct 27, 2014 at 02:27:01AM +0000, Wookey wrote:
> Package: wanna-build
> Severity: normal
> 
> Sometimes packages go round and round on the builds, trying to be
> built repeatedly, because wanna-build thinks that the build-deps are
> availbale, but when sbuild tries the build it finds them
> unsatisfiable.
> 
> This appears to happen when Build-Depends has alternatives. It seems
> that wanna-build considers it OK if any of the alternatives are
> available, even though buildds only take the first option.
> 
> My current example is openmeeg. This build-deps on 
> libtiff4-dev | libtiff-dev

We pass this to edos to check it.  But as far as I know we strip
the "| libtiff-dev" part both in wanna-build for edos and in
sbuild for apt.  So I really have no idea why edos thinks it's
installable and apt thinks it's not installable and edos thinks
it is.


Kurt