Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] trying: gloss-1.13.2.2 (user goal)
[__1] next goal: bytestring (dependency of gloss)
[__1] rejecting: bytestring-0.10.10.0/installed-0.10.10.0 (conflict: gloss =>
bytestring==0.11.*)
[__1] trying: bytestring-0.11.3.0
[__2] next goal: OpenGL (dependency of gloss)
[__2] rejecting: OpenGL-3.0.3.0 (conflict: bytestring==0.11.3.0, OpenGL =>
bytestring>=0.9 && <0.11)
[__2] skipping: OpenGL-3.0.2.2, OpenGL-3.0.2.1, OpenGL-3.0.2.0,
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 (has the same
characteristics that caused the previous version to fail: excludes
'bytestring' version 0.11.3.0)
[__2] rejecting: OpenGL-2.11.1.0 (conflict: gloss => OpenGL>=2.12 && <3.1)
[__2] skipping: 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, OpenGL-2.5.0.0,
OpenGL-2.4.0.2, OpenGL-2.4.0.1, OpenGL-2.4.0.0, OpenGL-2.3.0.0,
OpenGL-2.2.3.1, OpenGL-2.2.3.0, OpenGL-2.2.2.0, OpenGL-2.2.1.1, OpenGL-2.1
(has the same characteristics that caused the previous version to fail:
excluded by constraint '>=2.12 && <3.1' from 'gloss')
[__2] fail (backjumping, conflict set: OpenGL, bytestring, gloss)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: gloss, bytestring, OpenGL