32 #include <SFML/Config.h> 39 #if defined(CSFML_SYSTEM_WINDOWS) 45 #elif defined(CSFML_SYSTEM_LINUX) || defined(CSFML_SYSTEM_FREEBSD) 50 #elif defined(CSFML_SYSTEM_MACOS) 52 #include <OpenGL/gl.h> 53 #include <OpenGL/glu.h> 58 #endif // SFML_OPENGL_H