Resolving dependencies... cabal: Could not resolve dependencies: next goal: diagrams (user goal) rejecting: diagrams-1.3, 1.2, 1.1.0.1, 1.1, 1.0.0.1, 1.0, 0.7.1.1, 0.7.1, 0.7 (global constraint requires ==0.6) trying: diagrams-0.6 trying: diagrams-0.6:+svg next goal: diagrams-svg (dependency of diagrams-0.6:+svg) rejecting: diagrams-svg-1.3.1.1, 1.3.1, 1.3, 1.1.0.5, 1.1.0.4, 1.1.0.3, 1.1.0.2, 1.1.0.1, 1.1, 1.0.2.1, 1.0.2, 1.0.1.3, 1.0.1.2, 1.0.1.1, 1.0.1, 1.0, 0.8.0.2, 0.8.0.1, 0.8, 0.7 (conflict: diagrams-0.6:svg => diagrams-svg>=0.6 && <0.7) trying: diagrams-svg-0.6.0.1 next goal: base (dependency of diagrams-svg-0.6.0.1) rejecting: base-4.7.0.1/installed-e4b... (conflict: diagrams-svg => base>=4.3 && <4.7) rejecting: base-4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0, 4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1, 4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires installed instance) Dependency tree exhaustively searched.