diff -up tdb-1.3.16/buildtools/bin/waf.envpy tdb-1.3.16/buildtools/bin/waf
--- tdb-1.3.16/buildtools/bin/waf.envpy	2018-07-12 12:56:02.378782293 +0200
+++ tdb-1.3.16/buildtools/bin/waf	2018-07-12 12:57:32.628975091 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python2
 # encoding: ISO-8859-1
 # Thomas Nagy, 2005-2010