/***************************
* GtkGlExt implementation *
***************************/
-#if defined(USE_GTKGLEXT)
+#if defined(SYS_GTKGLEXT)
#include <gtk/gtkgl.h>
void gtk_gl_enable(GtkWidget *widget)
{
/**********************
* X11 implementation *
**********************/
-#elif defined(USE_GLX)
+#elif defined(SYS_X11)
#include <GL/glx.h>
#include <gdk/gdkx.h>
void gtk_gl_enable(GtkWidget *widget)
/************************
* Win32 implementation *
************************/
-#elif defined(USE_WGL)
+#elif defined(SYS_WIN)
#include <windows.h>
#include <gdk/gdkwin32.h>
static void on_realize(GtkWidget *widget, gpointer _)
/**************************
* Mac OSX implementation *
**************************/
-#elif defined(USE_CGL)
+#elif defined(SYS_MAC)
void gtk_gl_enable(GtkWidget *widget)
{
CGDisplayCapture( kCGDirectMainDisplay );