if [ -d `ocamlc -where`/Xlib ] then : else echo "This demo requires Xlib/GLX available from:" echo "http://www.linux-nantes.org/~fmonnier/OCaml/Xlib/" exit 1 fi ocaml -I +glMLite GL.cma Glu.cma png_loader.cma -I +Xlib Xlib.cma GLX.cma keysym_match.cma lesson16.ml