Proposal to (formally/easily) allowing multiple versions of the same library installable

[Kevin Kofler]

Christopher Meng wrote:
> Maintaining several version of the same library is not easy as you think,
> basically once a developer wants to install version X while then another
> people want to deploy things based on version Y, how to crack this nut?
> You can't just care about runtime.

Then you need to patch one or the other package to work with the same 
version. Only if that is not possible, a compatibility library can be 
considered. But we should always first try to make everything work with the 
same version (if possible, the newer one).

        Kevin Kofler