Resolving dependencies... cabal: Could not resolve dependencies: next goal: SVGFonts (user goal) rejecting: SVGFonts-1.5.0.0, 1.4.0.3, 1.4.0.2, 1.4.0.1, 1.4, 1.3.0.2, 1.3.0.1, 1.3, 1.2.1, 1.2, 1.1.2, 1.1.1, 1.1, 1.0, 0.4, 0.3, 0.2 (global constraint requires ==0.1) trying: SVGFonts-0.1 trying: base-4.8.1.0/installed-4f7... (dependency of SVGFonts-0.1) trying: parsec-3.1.9 (dependency of SVGFonts-0.1) trying: text-1.2.1.3 (dependency of parsec-3.1.9) trying: deepseq-1.4.1.1/installed-8fb... (dependency of text-1.2.1.3) next goal: haskell98 (dependency of SVGFonts-0.1) rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base>=4.7 && <4.8) rejecting: haskell98-2.0.0.2 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base==4.6.*) rejecting: haskell98-2.0.0.1 (conflict: deepseq => array==0.5.1.0/installed-d42..., haskell98 => array>=0.3 && <0.5) rejecting: haskell98-2.0.0.0 (conflict: deepseq => array==0.5.1.0/installed-d42..., haskell98 => array>=0.3 && <0.4) rejecting: haskell98-1.1.0.1, 1.1.0.0, 1.0.1.1 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.0.1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base<4.6) rejecting: haskell98-1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base<4.3) Backjump limit reached (change with --max-backjumps).