--- app.pro.orig	2017-01-01 22:05:19.000000000 -0700
+++ app.pro	2017-09-17 08:48:27.000000000 -0700
@@ -7,7 +7,7 @@
 # For Mac, x86 and x64, but not PPC binary.   Ignored on other OSes.
 # macx:CONFIG -= x86_64 
 # macx:CONFIG += x86
-macx:DEFINES += HAVE_CONFIG_H
+macx:DEFINES += HAVE_UNAME
 
 ICON = images/appicon.icns