--- /dev/null
+#include <stdio.h>
+
+void ShowGraphWindow(void)
+{
+ static int warned = 0;
+
+ if (!warned) {
+ printf("No GUI in this build!\n");
+ warned = 1;
+ }
+}
+
+void HideGraphWindow(void) {}
+void RepaintGraphWindow(void) {}
+void MainGraphics() {}
+void InitGraphics(int argc, char **argv) {}
+void ExitGraphics(void) {}