Resolving dependencies... cabal: Could not resolve dependencies: [__0] next goal: gi-ggit (user goal) [__0] rejecting: gi-ggit-1.0.11 (conflict: pkg-config package libgit2-glib-1.0-any, not found in the pkg-config database) [__0] rejecting: gi-ggit-1.0.10, gi-ggit-1.0.9, gi-ggit-1.0.8, gi-ggit-1.0.7, gi-ggit-1.0.6, gi-ggit-1.0.5, gi-ggit-1.0.4, gi-ggit-1.0.2, gi-ggit-1.0.1 (constraint from user target requires ==1.0.11) [__0] fail (backjumping, conflict set: gi-ggit) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: gi-ggit