--- linux-gpib-4.0.3/language/python/Makefile.am.orig	2016-04-09 15:33:09.000000000 +0200
+++ linux-gpib-4.0.3/language/python/Makefile.am	2016-07-05 15:18:01.336515214 +0200
@@ -15,7 +15,7 @@
 	-{ $(PYTHON) setup.py build && touch build; } || { $(RM) -r build; exit 1; }
 
 install-data-local:
-	-$(PYTHON) setup.py install --prefix=$(DESTDIR)$(prefix)
+	-$(PYTHON) setup.py install --optimize=2 --prefix=$(prefix) --root=$(DESTDIR)
 
 clean-local:
 	-$(RM) -r build