Resolving dependencies... cabal: Could not resolve dependencies: next goal: hledger (user goal) rejecting: hledger-0.26, 0.25.1, 0.25, 0.24.1, 0.24, 0.23.3, 0.23.2, 0.23.1, 0.23, 0.22.2, 0.22.1, 0.22, 0.21.3, 0.21.2, 0.21.1, 0.21, 0.20.0.1, 0.20, 0.19.3, 0.19.2, 0.19.1, 0.19, 0.18.2, 0.18.1, 0.18, 0.17, 0.16.1, 0.16, 0.15.2, 0.15.1, 0.15, 0.14, 0.13, 0.12.1, 0.12, 0.11.1, 0.11, 0.10, 0.9, 0.8, 0.7.0, 0.6.1, 0.6, 0.5.1, 0.5, 0.4, 0.3, 0.2 (global constraint requires ==0.1) trying: hledger-0.1 trying: base-4.8.1.0/installed-4f7... (dependency of hledger-0.1) trying: directory-1.2.2.0/installed-258... (dependency of hledger-0.1) next goal: haskell98 (dependency of hledger-0.1) rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base>=4.7 && <4.8) rejecting: haskell98-2.0.0.2 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base==4.6.*) rejecting: haskell98-2.0.0.1, 2.0.0.0 (conflict: directory==1.2.2.0/installed-258..., haskell98 => directory>=1.1 && <1.2) rejecting: haskell98-1.1.0.1, 1.1.0.0, 1.0.1.1 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.0.1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base<4.6) rejecting: haskell98-1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base<4.3) Dependency tree exhaustively searched.