Resolving dependencies... cabal: Could not resolve dependencies: next goal: afv (user goal) rejecting: afv-0.1.1, 0.1.0, 0.0.4, 0.0.3, 0.0.2, 0.0.1 (global constraint requires ==0.0.0) trying: afv-0.0.0 trying: base-4.7.0.1/installed-e4b... (dependency of afv-0.0.0) next goal: language-c (dependency of afv-0.0.0) rejecting: language-c-0.4.7, 0.4.6, 0.4.5, 0.4.4, 0.4.3, 0.4.2, 0.4.1 (conflict: afv => language-c>=0.3 && <0.4) trying: language-c-0.3.2.1 trying: filepath-1.3.0.2/installed-158... (dependency of language-c-0.3.2.1) next goal: process (dependency of afv-0.0.0) rejecting: process-1.2.0.0/installed-163..., 1.2.3.0, 1.2.2.0, 1.2.1.0, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0 (conflict: afv => process>=1.0 && <1.1) rejecting: process-1.0.1.5, 1.0.1.4, 1.0.1.3 (conflict: filepath==1.3.0.2/installed-158..., process => filepath>=1.1 && <1.3) rejecting: process-1.0.1.2, 1.0.1.1 (conflict: filepath==1.3.0.2/installed-158..., process => filepath>=1.1 && <1.2) rejecting: process-1.0.0.0 (conflict: base==4.7.0.1/installed-e4b..., process => base<4.3) Dependency tree exhaustively searched.