On Wed, Nov 07, 2018 at 05:22:44PM +0100, Pierre Neidhardt wrote:
> Hmm, actually it seems that go1.9 is not able to build a package against
> dependencies built with go1.11.

Yeah, I don't think there is any notion of backwards compatibility
there.

> For Demlo, that would mean that I need to add the 1.9 specialization to 10
> packages, but this is brittle and it will conflict with other programs that
> share some dependencies while using go1.11.
> 
> Suggestion?

Maybe you could take a look at how we handle packaging for both Python 3
and Python 2? There, we have package variants for both Python versions,
as necessary.