--- delaunay/_qhullmodule.c.orig	2005-10-14 13:55:12.000000000 +0200
+++ delaunay/_qhullmodule.c	2005-10-14 13:55:27.000000000 +0200
@@ -39,7 +39,7 @@
                               myvertex && myvertex->next;\
                               myvertex = myvertex->next)
 
-//#define QHULL_31_COMP=1
+#define QHULL_31_COMP=1
 #ifdef QHULL_31_COMP
 char qh_version[] = "_qhullmodule dummy version";
 #endif