--- waf.engine.orig	2019-09-25 21:46:01.000000000 +0200
+++ waf.engine	2019-10-29 22:24:53.626260000 +0100
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#! %%PYTHON_CMD%%
 # encoding: latin-1
 # Thomas Nagy, 2005-2018
 #