Resolving dependencies... cabal: Could not resolve dependencies: next goal: bamboo-launcher (user goal) rejecting: bamboo-launcher-2010.2.25, bamboo-launcher-2009.11.1 (constraint from user target requires ==2009.6.8) trying: bamboo-launcher-2009.6.8 trying: base-4.9.0.0/installed-4.9... (dependency of bamboo-launcher-2009.6.8) trying: directory-1.2.6.2/installed-1.2... (dependency of HaXml-1.25.3) next goal: haskell98 (dependency of bamboo-launcher-2009.6.8) rejecting: haskell98-2.0.0.3 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base>=4.7 && <4.8) rejecting: haskell98-2.0.0.2 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base==4.6.*) rejecting: haskell98-2.0.0.1, haskell98-2.0.0.0 (conflict: directory==1.2.6.2/installed-1.2..., haskell98 => directory>=1.1 && <1.2) rejecting: haskell98-1.1.0.1, haskell98-1.1.0.0, haskell98-1.0.1.1 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.0.1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base<4.6) rejecting: haskell98-1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base<4.3) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).