Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gloss (user goal)
rejecting: gloss-1.9.4.1, 1.9.3.1, 1.9.2.1, 1.9.1.1, 1.8.2.2, 1.8.2.1,
1.8.1.2, 1.8.1.1, 1.8.0.1, 1.7.8.4, 1.7.8.3, 1.7.8.2, 1.7.8.1, 1.7.7.201204.1,
1.7.7.1, 1.7.6.6, 1.7.6.5 (global constraint requires ==1.7.6.4)
trying: gloss-1.7.6.4
next goal: GLUT (dependency of gloss-1.7.6.4)
rejecting: GLUT-2.7.0.1, 2.7.0.0, 2.6.0.1, 2.6.0.0, 2.5.1.1, 2.5.1.0, 2.5.0.2,
2.5.0.1, 2.5.0.0, 2.4.0.0 (conflict: gloss => GLUT==2.3.*)
trying: GLUT-2.3.1.0
next goal: OpenGL (dependency of gloss-1.7.6.4)
rejecting: OpenGL-2.12.0.1, 2.12.0.0, 2.11.1.0, 2.11.0.0, 2.10.0.2, 2.10.0.1,
2.10.0.0, 2.9.2.0, 2.9.1.0, 2.9.0.0, 2.8.0.0, 2.6.0.1, 2.6.0.0 (conflict:
gloss => OpenGL==2.5.*)
rejecting: OpenGL-2.5.0.0 (conflict: GLUT => OpenGL==2.6.*)
rejecting: OpenGL-2.4.0.2, 2.4.0.1, 2.4.0.0, 2.3.0.0, 2.2.3.1, 2.2.3.0,
2.2.2.0, 2.2.1.1, 2.1 (conflict: gloss => OpenGL==2.5.*)
Dependency tree exhaustively searched.