*/
/* required include files */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <math.h>
#include <stdlib.h>
#include <GL/gl.h>
#include <GL/glut.h>
+#ifdef HAVE_GLE3
+#include <GL/gle.h>
+#else
#include <GL/tube.h>
+#endif
#ifndef NULL
#define NULL ((void *) 0x0)
#define NUM_PTS (25)
-double contour [NUM_PTS][2];
-double norms [NUM_PTS][2];
+static double contour [NUM_PTS][2];
+static double norms [NUM_PTS][2];
static void init_contour (void)
{