Resolving dependencies... cabal: Could not resolve dependencies: next goal: cmdargs-browser (user goal) rejecting: cmdargs-browser-0.1.3, 0.1.2, 0.1.1 (global constraint requires ==0.1) trying: cmdargs-browser-0.1 trying: base-4.7.0.1/installed-e4b... (dependency of cmdargs-browser-0.1) next goal: cmdargs (dependency of cmdargs-browser-0.1) rejecting: cmdargs-0.10.13, 0.10.12, 0.10.11, 0.10.10, 0.10.9, 0.10.8, 0.10.7, 0.10.6, 0.10.5, 0.10.4, 0.10.3, 0.10.2, 0.10.1, 0.10 (conflict: cmdargs-browser => cmdargs==0.9.*) trying: cmdargs-0.9.7 next goal: process (dependency of cmdargs-0.9.7) rejecting: process-1.2.0.0/installed-163..., 1.2.3.0, 1.2.2.0, 1.2.1.0, 1.2.0.0 (conflict: cmdargs => process>=1.0 && <1.2) trying: process-1.1.0.2 rejecting: process-1.1.0.2:+base4 (conflict: base==4.7.0.1/installed-e4b..., process-1.1.0.2:base4 => base>=4 && <4.7) rejecting: process-1.1.0.2:-base4 (conflict: base==4.7.0.1/installed-e4b..., process-1.1.0.2:base4 => base>=3 && <4) Dependency tree exhaustively searched.