Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: bindings-sane (user goal)
rejecting: bindings-sane-0.0.1 (conflict: requires pkg-config package
sane-backends-any, not found in the pkg-config database)
rejecting: bindings-sane-0.0 (constraint from user target requires ==0.0.1)
Dependency tree exhaustively searched.