Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: leksah (user goal)
rejecting: leksah-0.15.1.4, 0.15.1.3, 0.15.1.2, 0.15.1.1, 0.15.1.0, 0.15.0.6,
0.15.0.5, 0.15.0.4, 0.15.0.3, 0.15.0.2, 0.15.0.1, 0.14.4.0, 0.14.3.0,
0.14.2.0, 0.14.1.1, 0.14.1.0, 0.14.0.1, 0.14.0.0, 0.13.4.3, 0.13.4.2,
0.13.4.1, 0.13.4.0, 0.13.3.0, 0.12.1.3, 0.12.1.2, 0.12.1.0, 0.12.0.3 (global
constraint requires ==0.10.0.4)
trying: leksah-0.10.0.4
next goal: base (dependency of leksah-0.10.0.4)
rejecting: base-4.8.1.0/installed-4f7... (conflict: leksah => base>=4.0.0.0 &&
<4.4)
rejecting: base-4.8.1.0, 4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0,
4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1,
4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires
installed instance)
Dependency tree exhaustively searched.