Resolving dependencies...
cabal: Could not resolve dependencies:
trying: affection-0.0.0.0 (user goal)
next goal: babl (dependency of affection-0.0.0.0)
rejecting: babl-0.0.0.1 (conflict: requires pkg-config package babl>=0.1.16,
not found in the pkg-config database)
Dependency tree exhaustively searched.