Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: Geodetic (user goal)
rejecting: Geodetic-0.4, 0.3 (global constraint requires ==0.2)
trying: Geodetic-0.2
trying: base-4.8.1.0/installed-4f7... (dependency of Geodetic-0.2)
rejecting: Geodetic-0.2:+small_base (conflict: base==4.8.1.0/installed-4f7...,
Geodetic-0.2:small_base => base<4 && >=3)
rejecting: Geodetic-0.2:-small_base (conflict: base==4.8.1.0/installed-4f7...,
Geodetic-0.2:small_base => base<3)
Dependency tree exhaustively searched.