Resolving dependencies... cabal: Could not resolve dependencies: trying: dsmc-tools-0.1.0.1 (user goal) trying: base-4.8.1.0/installed-4f7... (dependency of dsmc-tools-0.1.0.1) next goal: repa (dependency of dsmc-tools-0.1.0.1) rejecting: repa-3.4.0.2, 3.4.0.1, 3.3.1.2, 3.3.1.1 (conflict: dsmc-tools => repa==3.2.*) rejecting: repa-3.2.5.1 (conflict: base==4.8.1.0/installed-4f7..., repa => base==4.7.*) rejecting: repa-3.2.3.3, 3.2.3.2, 3.2.3.1 (conflict: base==4.8.1.0/installed-4f7..., repa => base==4.6.*) rejecting: repa-3.2.2.201204.1 (conflict: base==4.8.1.0/installed-4f7..., repa => base==4.5.*) rejecting: repa-3.2.2.3, 3.2.2.2, 3.2.2.1 (conflict: base==4.8.1.0/installed-4f7..., repa => base==4.6.*) rejecting: repa-3.2.1.1 (conflict: base => ghc-prim==0.4.0.0/installed-af1..., repa => ghc-prim==0.2.*) rejecting: repa-3.1.4.2, 3.1.4.1, 3.1.3.3, 3.1.3.2, 3.1.3.1, 3.1.2.1, 3.1.1.1, 3.1.0.1, 3.0.0.1, 2.2.0.1, 2.1.1.6, 2.1.1.5, 2.1.1.4, 2.1.1.3, 2.1.1.2, 2.1.1.1, 2.1.0.1, 2.0.2.1, 2.0.1.1, 2.0.0.4, 2.0.0.3, 2.0.0.2, 2.0.0.1, 1.1.0.0, 1.0.0.0 (conflict: dsmc-tools => repa==3.2.*) Dependency tree exhaustively searched.