Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: clocked (user goal)
rejecting: clocked-0.4.1.3, clocked-0.4.1.2, clocked-0.4.1.1 (constraint from
user target requires ==0.4.1)
rejecting: clocked-0.4.1 (conflict: requires pkg-config package QtCore-any,
not found in the pkg-config database)
Dependency tree exhaustively searched.