Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hoodle-core (user goal)
rejecting: hoodle-core-0.15.0, 0.15, 0.14, 0.13.0.0, 0.13.0, 0.13, 0.12, 0.11,
0.10, 0.9.0.0, 0.9.0, 0.9, 0.8.0, 0.8, 0.7.1, 0.7.0.0, 0.7.0 (global
constraint requires ==0.7)
trying: hoodle-core-0.7
trying: gtk-0.13.6 (dependency of hoodle-core-0.7)
rejecting: hoodle-core-0.7:-poppler (conflict: gtk==0.13.6,
hoodle-core-0.7:poppler => gtk==0.12.*)
rejecting: hoodle-core-0.7:+poppler (conflict: gtk==0.13.6,
hoodle-core-0.7:poppler => gtk==0.12.*)
Backjump limit reached (change with --max-backjumps).