Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: bdcs (user goal)
rejecting: bdcs-0.1.1 (conflict: requires pkg-config package ostree-1>=2017.8,
not found in the pkg-config database)
rejecting: bdcs-0.1.0 (constraint from user target requires ==0.1.1)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: bdcs