Resolving dependencies... cabal: Could not resolve dependencies: next goal: texmath (user goal) rejecting: texmath-0.8.4, 0.8.3, 0.8.2.2, 0.8.2.1, 0.8.2, 0.8.1, 0.8.0.2, 0.8.0.1, 0.8, 0.7.0.2, 0.7.0.1, 0.7, 0.6.6.3, 0.6.6.2, 0.6.6.1, 0.6.6, 0.6.5.2, 0.6.5, 0.6.4, 0.6.3, 0.6.1.5, 0.6.1.4, 0.6.1.3, 0.6.1.2, 0.6.1.1 (global constraint requires ==0.6.1) trying: texmath-0.6.1 next goal: xml (dependency of texmath-0.6.1) rejecting: xml-1.3.14, 1.3.13, 1.3.12, 1.3.11, 1.3.10, 1.3.9, 1.3.8, 1.3.7, 1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.2.6 (conflict: texmath => xml<0) Dependency tree exhaustively searched.