Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] next goal: gi-clutter (user goal)
[__0] rejecting: gi-clutter-1.0.2 (conflict: pkg-config package
clutter-1.0(==1.26 || >1.26) && <1.27, not found in the pkg-config database)
[__0] fail (backjumping, conflict set: gi-clutter)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: gi-clutter