Makes sense. Is there one of the existing formats (sounds like pkg-config) that seems like a fairly good candidate for generalization/being championed in this effort, or is it likely that a new format would be created here?
pkg-config is definitely a very viable candidate, but it would move things a bit beyond the scope of modules and jump into "package management" in general, which could be a political trap. Making a modules-specific solution could be fairly straight-forward, and be completely orthogonal to pkg-config, so that may be more attractive from a pragmatic perspective.
But I want to avoid jumping into the solution before we have consensus on the requirements.