準備物 Haskell Platform http://www.haskell.org/platform/mac.html clang-xcode5-wrapper https://gist.github.com/mzero/7245290 1.Haskell Platformをインストール 省略 2.clang-xcode5-wrapperを/usr/local/binにコピー $ sudo cp clang-xcode5-wrapper /usr/local/bin $ sudo chown root /usr/local/bin/clang-xcode5-wrapper $ sudo chmod +x /usr/local/bin/clang-xcode5-wrapper sudo sed -i -e "s:C compiler command.*$:C compiler comma