Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: edge (user goal)
rejecting: edge-0.9.0.2, 0.9.0.1, 0.8.20, 0.8.18, 0.8.16, 0.8.14, 0.8.12.1,
0.8.12, 0.8.10, 0.8.8, 0.8.6, 0.8.4, 0.8.2 (global constraint requires ==0.8)
trying: edge-0.8
trying: base-4.7.0.1/installed-e4b... (dependency of edge-0.8)
next goal: ALUT (dependency of edge-0.8)
rejecting: ALUT-2.4.0.0, 2.3.0.2, 2.3.0.1, 2.3.0.0 (conflict: edge =>
ALUT>=2.2 && <2.3)
trying: ALUT-2.2.0.0
trying: OpenAL-1.7.0.0 (dependency of ALUT-2.2.0.0)
trying: OpenGL-2.12.0.1 (dependency of OpenAL-1.7.0.0)
next goal: containers (dependency of edge-0.8)
rejecting: containers-0.5.5.1/installed-23e..., 0.5.6.3, 0.5.6.2, 0.5.6.1,
0.5.6.0, 0.5.5.1, 0.5.5.0, 0.5.4.0, 0.5.3.1, 0.5.3.0, 0.5.2.1, 0.5.2.0,
0.5.1.0, 0.5.0.0 (conflict: edge => containers>=0.4.2.1 && <0.5)
trying: containers-0.4.2.1
next goal: gloss (dependency of edge-0.8)
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 (conflict: edge => gloss>=1.7.4.1 && <1.8)
rejecting: gloss-1.7.8.4, 1.7.8.3, 1.7.8.2, 1.7.8.1 (conflict:
base==4.7.0.1/installed-e4b..., gloss => base==4.6.*)
rejecting: gloss-1.7.7.201204.1 (conflict: base==4.7.0.1/installed-e4b...,
gloss => base==4.5.*)
rejecting: gloss-1.7.7.1, 1.7.6.6 (conflict: containers==0.4.2.1, gloss =>
containers==0.5.*)
rejecting: gloss-1.7.6.5, 1.7.6.4, 1.7.6.3, 1.7.6.2, 1.7.6.1 (conflict:
OpenGL==2.12.0.1, gloss => OpenGL==2.5.*)
rejecting: gloss-1.7.5.2, 1.7.5.1, 1.7.4.1 (conflict: base =>
ghc-prim==0.3.1.0/installed-954..., gloss => ghc-prim==0.2.*)
rejecting: gloss-1.7.3.1, 1.7.2.1, 1.7.1.1, 1.7.0.1, 1.6.2.1, 1.6.1.1,
1.6.0.1, 1.5.2.1, 1.5.0.2, 1.5.0.1, 1.4.0.1, 1.3.4.1, 1.3.3.1, 1.3.1.2,
1.3.0.1, 1.2.0.1, 1.2.0.0, 1.1.1.0, 1.1.0.0, 1.0.0.2, 1.0.0.1, 1.0.0.0
(conflict: edge => gloss>=1.7.4.1 && <1.8)
Backjump limit reached (change with --max-backjumps).