Resolving dependencies... cabal: Could not resolve dependencies: trying: lhae-0.0.3 (user goal) trying: base-4.9.0.0/installed-4.9... (dependency of lhae-0.0.3) next goal: setlocale (dependency of lhae-0.0.3) rejecting: setlocale-1.0.0.4, setlocale-1.0.0.3, setlocale-1.0.0.2, setlocale-1.0.0.1, setlocale-1.0.0 (conflict: lhae => setlocale>=0.0 && <1.0) rejecting: setlocale-0.0.3 (conflict: base==4.9.0.0/installed-4.9..., setlocale => base<4.7) Dependency tree exhaustively searched.