Resolving dependencies... cabal: Could not resolve dependencies: trying: hampp-0.2.1 (user goal) trying: base-4.9.0.0/installed-4.9... (dependency of hampp-0.2.1) next goal: directory (dependency of hampp-0.2.1) rejecting: directory-1.2.6.2/installed-1.2..., directory-1.3.0.0, directory-1.2.7.1, directory-1.2.7.0, directory-1.2.6.3, directory-1.2.6.2, directory-1.2.5.1, directory-1.2.5.0, directory-1.2.4.0, directory-1.2.3.1, directory-1.2.3.0, directory-1.2.2.1, directory-1.2.2.0, directory-1.2.1.0, directory-1.2.0.1, directory-1.2.0.0 (conflict: hampp => directory>=1.1 && <1.2) rejecting: directory-1.1.0.2 (conflict: base==4.9.0.0/installed-4.9..., directory => base>=4.4 && <4.6) rejecting: directory-1.1.0.1 (conflict: base==4.9.0.0/installed-4.9..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0 (conflict: base==4.9.0.0/installed-4.9..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.2, directory-1.0.1.1, directory-1.0.1.0, directory-1.0.0.3, directory-1.0.0.0, directory-1.2.6.1 (conflict: hampp => directory>=1.1 && <1.2) Dependency tree exhaustively searched.