Resolving dependencies...
cabal: Could not resolve dependencies:
trying: base-4.9.0.0/installed-4.9... (dependency of boomslang-0.0.4)
next goal: OpenGL (dependency of boomslang-0.0.4)
rejecting: OpenGL-3.0.1.0, OpenGL-3.0.0.2, OpenGL-3.0.0.1, OpenGL-3.0.0.0,
OpenGL-2.13.2.1, OpenGL-2.13.2.0, OpenGL-2.13.1.1, OpenGL-2.13.1.0,
OpenGL-2.13.0.0, OpenGL-2.12.0.1, OpenGL-2.12.0.0, OpenGL-2.11.1.0,
OpenGL-2.11.0.0, OpenGL-2.10.0.2, OpenGL-2.10.0.1, OpenGL-2.10.0.0,
OpenGL-2.9.2.0, OpenGL-2.9.1.0, OpenGL-2.9.0.0, OpenGL-2.8.0.0,
OpenGL-2.6.0.1, OpenGL-2.6.0.0 (conflict: boomslang => OpenGL==2.5.*)
trying: OpenGL-2.5.0.0
next goal: Tensor (dependency of OpenGL-2.5.0.0)
rejecting: Tensor-1.1.0.1, Tensor-1.1.0.0 (conflict: OpenGL => Tensor==1.0.*)
rejecting: Tensor-1.0.0.1, Tensor-1.0.0.0 (conflict:
base==4.9.0.0/installed-4.9..., Tensor => base>=3 && <4.7)
Dependency tree exhaustively searched.