require "mkmf"

RUBYVER = " -DRUBY_VERSION=" + RUBY_VERSION.split(".").join
$CFLAGS += RUBYVER
dir_config('x11','/usr/X11R6')
have_library("GL", "glVertex3f")
have_library("GLU", "gluOrtho2D")
have_library("glut", "glutInit")
create_makefile("glut")