Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: Etage-Graph (user goal)
rejecting: Etage-Graph-0.1.8, 0.1.7, 0.1.6 (global constraint requires
==0.1.4)
trying: Etage-Graph-0.1.4
trying: base-4.8.1.0/installed-4f7... (dependency of Etage-Graph-0.1.4)
next goal: fgl (dependency of Etage-Graph-0.1.4)
rejecting: fgl-5.5.2.3, 5.5.2.2, 5.5.2.1, 5.5.2.0, 5.5.1.0, 5.5.0.1, 5.5.0.0
(conflict: Etage-Graph => fgl>=5.4.2 && <5.5)
rejecting: fgl-5.4.2.4 (conflict: base==4.8.1.0/installed-4f7..., fgl =>
base<4.8)
rejecting: fgl-5.4.2.3, 5.4.2.2 (conflict: base==4.8.1.0/installed-4f7..., fgl
=> base<4.4)
rejecting: fgl-5.4.2.0 (conflict: base==4.8.1.0/installed-4f7..., fgl =>
base<4.8)
rejecting: fgl-5.4.1.1, 5.3 (conflict: Etage-Graph => fgl>=5.4.2 && <5.5)
Dependency tree exhaustively searched.