Resolving dependencies... cabal: Could not resolve dependencies: next goal: language-c-quote (user goal) rejecting: language-c-quote-0.11.3, 0.11.2.1, 0.11.2, 0.11.1, 0.11.0.1, 0.11, 0.10.2.3, 0.10.2.2, 0.10.2.1, 0.10.2, 0.10.1.3, 0.10.1.2, 0.10.1.1, 0.10.1, 0.10.0, 0.9.0, 0.8.0, 0.7.7, 0.7.6, 0.7.5, 0.7.4, 0.7.2, 0.7.1, 0.4.4, 0.4.3, 0.4.2, 0.4.1, 0.4.0, 0.3.2, 0.3.1.2, 0.3.1.1, 0.3.1.0, 0.3.0.1, 0.3.0.0 (global constraint requires ==0.2.0.1) trying: language-c-quote-0.2.0.1 trying: base-4.8.1.0/installed-4f7... (dependency of language-c-quote-0.2.0.1) next goal: template-haskell (dependency of language-c-quote-0.2.0.1) rejecting: template-haskell-2.10.0.0/installed-90e..., 2.10.0.0, 2.9.0.0, 2.8.0.0, 2.7.0.0, 2.6.0.0, 2.5.0.0 (conflict: language-c-quote => template-haskell>=2.3 && <2.5) rejecting: template-haskell-2.4.0.1 (conflict: base==4.8.1.0/installed-4f7..., template-haskell => base==4.2.*) rejecting: template-haskell-2.4.0.0 (conflict: base==4.8.1.0/installed-4f7..., template-haskell => base>=3 && <4.3) rejecting: template-haskell-2.3.0.1, 2.3.0.0 (conflict: base==4.8.1.0/installed-4f7..., template-haskell => base<4.3) rejecting: template-haskell-2.2.0.0 (conflict: language-c-quote => template-haskell>=2.3 && <2.5) Dependency tree exhaustively searched.