Resolving dependencies... cabal: Could not resolve dependencies: next goal: gitit (user goal) rejecting: gitit-0.12.0.1, 0.12, 0.11.1.1, 0.11.1, 0.11, 0.10.7, 0.10.6.3, 0.10.6.2, 0.10.6.1, 0.10.6, 0.10.5.1, 0.10.5, 0.10.4, 0.10.3.1, 0.10.3, 0.10.2, 0.10.1.2, 0.10.1.1, 0.10.1, 0.10.0.2, 0.10.0.1, 0.10, 0.9.0.1, 0.9, 0.8.1, 0.8.0.1, 0.8, 0.7.3.12, 0.7.3.11, 0.7.3.10 (global constraint requires ==0.7.3.9) trying: gitit-0.7.3.9 trying: base-4.8.1.0/installed-4f7... (dependency of gitit-0.7.3.9) next goal: xss-sanitize (dependency of gitit-0.7.3.9) rejecting: xss-sanitize-0.3.5.6, 0.3.5.5, 0.3.5.4, 0.3.5.3, 0.3.5.2, 0.3.5.1, 0.3.5, 0.3.4.2, 0.3.4.1, 0.3.4, 0.3.3, 0.3.2, 0.3.1.1, 0.3.1, 0.3.0.1, 0.3.0 (conflict: gitit => xss-sanitize>=0.2 && <0.3) trying: xss-sanitize-0.2.6 trying: tagsoup-0.13.5 (dependency of xss-sanitize-0.2.6) trying: text-1.2.1.3 (dependency of tagsoup-0.13.5) trying: deepseq-1.4.1.1/installed-8fb... (dependency of text-1.2.1.3) next goal: ConfigFile (dependency of gitit-0.7.3.9) rejecting: ConfigFile-1.1.4, 1.1.3, 1.1.2, 1.1.1, 1.1.0 (conflict: gitit => ConfigFile>=1 && <1.1) trying: ConfigFile-1.0.6 next goal: haskell98 (dependency of ConfigFile-1.0.6) rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base>=4.7 && <4.8) rejecting: haskell98-2.0.0.2 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base==4.6.*) rejecting: haskell98-2.0.0.1 (conflict: deepseq => array==0.5.1.0/installed-d42..., haskell98 => array>=0.3 && <0.5) rejecting: haskell98-2.0.0.0 (conflict: deepseq => array==0.5.1.0/installed-d42..., haskell98 => array>=0.3 && <0.4) rejecting: haskell98-1.1.0.1, 1.1.0.0, 1.0.1.1 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.0.1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base<4.6) rejecting: haskell98-1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base<4.3) Backjump limit reached (change with --max-backjumps).