Index: src/tgl.h
--- src/tgl.h.orig
+++ src/tgl.h
@@ -70,9 +70,9 @@ extern int nb_draws;
 	}
 
 extern int gl_c_vertices_nb, gl_c_texcoords_nb, gl_c_colors_nb;
-extern GLfloat *gl_c_vertices_ptr;
-extern GLfloat *gl_c_texcoords_ptr;
-extern GLfloat *gl_c_colors_ptr;
+extern GLvoid *gl_c_vertices_ptr;
+extern GLvoid *gl_c_texcoords_ptr;
+extern GLvoid *gl_c_colors_ptr;
 #define glVertexPointer(nb, t, v, p) \
 { \
 	if ((p) != gl_c_vertices_ptr || (nb) != gl_c_vertices_nb) { glVertexPointer((nb), (t), (v), (p)); gl_c_vertices_ptr=(p); gl_c_vertices_nb = (nb); } \
