Resolving dependencies... cabal: Could not resolve dependencies: next goal: pcf (user goal) rejecting: pcf-0.1.0.1 (constraint from user target requires ==0.1.0.0) trying: pcf-0.1.0.0 trying: binary-0.8.3.0/installed-0.8... (dependency of text-1.2.2.1) next goal: bound (dependency of pcf-0.1.0.0) rejecting: bound-1.0.7, bound-1.0.6, bound-1.0.5, bound-1.0.4, bound-1.0.3, bound-1.0.2, bound-1.0.1, bound-1.0 (conflict: binary==0.8.3.0/installed-0.8..., bound => binary>=0.5 && <0.8) rejecting: bound-0.9.1.1, bound-0.9.1, bound-0.9.0.1, bound-0.9, bound-0.8.1, bound-0.8, bound-0.7, bound-0.6.1, bound-0.6, bound-0.5.1, bound-0.5.0.2, bound-0.5.0.1, bound-0.5, bound-0.4, bound-0.3.2, bound-0.3.1, bound-0.2.1, bound-0.2, bound-0.1.4, bound-0.1.3, bound-0.1.2, bound-0.1.1, bound-0.1 (conflict: pcf => bound==1.*) Dependency tree exhaustively searched.