動機 MacPortsでGHC入れようと思ったらまだSnow Leopard対応してないのね。 $ sudo port install ghc Password: Warning: Skipping upgrade since p5-locale-gettext 1.05_0 >= p5-locale-gettext 1.05_0, even though installed variants "+universal" do not match "". Use 'upgrade --enforce-variants' to switch to the requested variants. ---> Computing dependencies for ghc ---> Fetching ghc Error: Target org.macports.fetch returned: ghc