-static float front_shininess[] =
-{60.0};
-static float front_specular[] =
-{0.7, 0.7, 0.7, 1.0};
-static float ambient[] =
-{0.0, 0.0, 0.0, 1.0};
-static float diffuse[] =
-{1.0, 1.0, 1.0, 1.0};
-static float position0[] =
-{1.0, 1.0, 1.0, 0.0};
-static float position1[] =
-{-1.0, -1.0, 1.0, 0.0};
-static float lmodel_ambient[] =
-{0.5, 0.5, 0.5, 1.0};
-static float lmodel_twoside[] =
-{GL_TRUE};
-
-static float MaterialRed[] =
-{0.5, 0.0, 0.0, 1.0};
-static float MaterialGreen[] =
-{0.0, 0.5, 0.0, 1.0};
-static float MaterialBlue[] =
-{0.0, 0.0, 0.5, 1.0};
-static float MaterialYellow[] =
-{0.7, 0.7, 0.0, 1.0};
-static float MaterialOrange[] =
-{0.9, 0.45, 0.36, 1.0};
+static const float front_shininess[] = {60.0};
+static const float front_specular[] = {0.7, 0.7, 0.7, 1.0};
+static const float ambient[] = {0.0, 0.0, 0.0, 1.0};
+static const float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+static const float position0[] = {1.0, 1.0, 1.0, 0.0};
+static const float position1[] = {-1.0, -1.0, 1.0, 0.0};
+static const float lmodel_ambient[] = {0.5, 0.5, 0.5, 1.0};
+static const float lmodel_twoside[] = {GL_TRUE};
+
+static const float MaterialRed[] = {0.5, 0.0, 0.0, 1.0};
+static const float MaterialGreen[] = {0.0, 0.5, 0.0, 1.0};
+static const float MaterialBlue[] = {0.0, 0.0, 0.5, 1.0};
+static const float MaterialYellow[] = {0.7, 0.7, 0.0, 1.0};
+static const float MaterialOrange[] = {0.9, 0.45, 0.36, 1.0};