Resolving dependencies... cabal: Could not resolve dependencies: next goal: bamboo-launcher (user goal) rejecting: bamboo-launcher-2010.2.25, 2009.11.1 (global constraint requires ==2009.6.8) trying: bamboo-launcher-2009.6.8 trying: base-4.8.1.0/installed-4f7... (dependency of bamboo-launcher-2009.6.8) trying: bamboo-theme-blueprint-2010.2.25.1 (dependency of bamboo-launcher-2009.6.8) trying: rss-3000.2.0.5 (dependency of bamboo-theme-blueprint-2010.2.25.1) trying: HaXml-1.25.3 (dependency of rss-3000.2.0.5) trying: directory-1.2.2.0/installed-258... (dependency of HaXml-1.25.3) next goal: haskell98 (dependency of bamboo-launcher-2009.6.8) rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/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, 2.0.0.0 (conflict: directory==1.2.2.0/installed-258..., haskell98 => directory>=1.1 && <1.2) 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).