>=dev-haskell/data-default-class-0.1:0/0.1.2.0= <dev-haskell/data-default-class-0.2:0/0.1.2.0= >=dev-lang/ghc-8.4.3:0/9.2.8= x11-libs/libX11 x11-libs/libXext x11-libs/libXrandr x11-libs/libXScrnSaver x11-libs/libXinerama >=dev-haskell/cabal-2.2.0.1
