--- libffado-2.4.0.org/SConstruct	2017-12-23 05:43:57.000000000 -0500
+++ libffado-2.4.0/SConstruct	2018-01-02 22:35:01.793115884 -0500
@@ -29,6 +29,7 @@ FFADO_VERSION="2.4.0"
 from subprocess import Popen, PIPE
 import os
 import re
+import sys
 from string import Template
 import imp
 import distutils.sysconfig
@@ -395,7 +396,7 @@ results above get rechecked.
 
 # PyQT checks
 if env['BUILD_MIXER'] != 'false':
-    have_dbus = (conf.CheckForApp( 'which pyuic4' ) and conf.CheckForPyModule( 'dbus.mainloop.qt' ))
+    have_dbus = ((conf.CheckForApp( 'which pyuic4' ) and conf.CheckForPyModule( 'dbus.mainloop.qt' )) or (conf.CheckForApp( 'which pyuic5' ) and conf.CheckForPyModule( 'dbus.mainloop.pyqt5' )))
     have_pyqt4 = (conf.CheckForApp( 'which pyuic4' ) and conf.CheckForPyModule( 'PyQt4' ))
     have_pyqt5 = (conf.CheckForApp( 'which pyuic5' ) and conf.CheckForPyModule( 'PyQt5' ))
     if ((have_pyqt4 or have_pyqt5) and have_dbus):