= ALL =
Install the 'gloss' package with the GLFW backend:
- cabal install gloss --flags="-GLUT GLFW" --enable-documentation
Install this package:
- cabal install twentefp --enable-documentation

= Windows =
- Add the GLUT32.DLL [1] to your "%systemroot%\System32" or "%systemroot%\SysWow64" directory
- Create "%appdata%\ghc\ghci.conf"
- Add the following lines to "%appdata%\ghc\ghci.conf":
:set -XNoImplicitPrelude
:set -XNoMonomorphisRestriction

= Linux =
- Create "~/.ghci"
- Add the following lines to ".ghci":
:set -XNoImplicitPrelude
:set -XNoMonomorphisRestriction

= OS X =
- Create "~/.ghci"
- Add the following lines to ".ghci":
:set -XNoImplicitPrelude
:set -XNoMonomorphisRestriction
:set -fno-ghci-sandbox


[1] http://user.xmission.com/~nate/glut.html