Resolving dependencies...
cabal: Could not resolve dependencies:
trying: manatee-imageviewer-0.1.1 (user goal)
next goal: gtkimageview (dependency of manatee-imageviewer-0.1.1)
rejecting: gtkimageview-0.12.0 (conflict: requires pkg-config package
gtkimageview>=1.6.1, not found in the pkg-config database)
rejecting: gtkimageview-0.11.1 (conflict: manatee-imageviewer =>
gtkimageview>=0.12.0)
Dependency tree exhaustively searched.