Resolving dependencies... cabal: Could not resolve dependencies: next goal: panda (user goal) rejecting: panda-2009.4.1, 2009.1.20, 2008.12.16, 2008.12.15, 2008.12.14, 2008.11.7, 2008.11.6, 2008.10.27, 2008.10.26, 2008.10.25, 2008.10.24, 2008.10.21, 2008.10.19, 2008.10.18, 2008.10.17, 2008.10.16, 2008.10.15, 2008.10.14, 2008.10.13, 2008.10.12, 2008.10.11, 2008.9.29, 2008.9.28, 2008.9.20, 2008.9.19.2, 2008.9.19.1 (global constraint requires ==2008.9.19) trying: panda-2008.9.19 trying: base-4.8.1.0/installed-4f7... (dependency of panda-2008.9.19) trying: pandoc-1.15.2.1 (dependency of panda-2008.9.19) trying: process-1.2.3.0/installed-f02... (dependency of pandoc-1.15.2.1) next goal: haskell98 (dependency of panda-2008.9.19) 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: process => 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) Dependency tree exhaustively searched.