Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: HipmunkPlayground (user goal)
rejecting: HipmunkPlayground-5.2.1.1, 5.2.1, 5.2.0.8, 5.2.0.7, 5.2.0.6,
5.2.0.5, 5.2.0.4, 5.2.0.3, 5.2.0.2, 5.2.0.1 (global constraint requires
==5.2.0)
trying: HipmunkPlayground-5.2.0
trying: base-4.7.0.1/installed-e4b... (dependency of HipmunkPlayground-5.2.0)
trying: GLFW-0.5.2.2 (dependency of HipmunkPlayground-5.2.0)
rejecting: HipmunkPlayground-5.2.0:+small_base (conflict: GLFW==0.5.2.2,
HipmunkPlayground-5.2.0:small_base => GLFW>=0.4 && <0.5)
rejecting: HipmunkPlayground-5.2.0:-small_base (conflict:
base==4.7.0.1/installed-e4b..., HipmunkPlayground-5.2.0:small_base => base>=2
&& <3)
Dependency tree exhaustively searched.