From 6dd80f3b69eb8bef196c58817baf37b6023e03c6 Mon Sep 17 00:00:00 2001
From: Rex Dieter <rdieter@math.unl.edu>
Date: Tue, 29 Dec 2015 09:28:51 -0600
Subject: [PATCH] backport optimization (from qt5-qtbase)

---
 qconfig-multilib.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qconfig-multilib.h b/qconfig-multilib.h
index 7ed351b..a104c37 100644
--- a/qconfig-multilib.h
+++ b/qconfig-multilib.h
@@ -6,7 +6,10 @@
 
 #ifndef QCONFIG_MULTILIB_H
 #define QCONFIG_MULTILIB_H
+
+#ifndef __WORDSIZE
 #include <bits/wordsize.h>
+#endif
 
 #if __WORDSIZE == 32
 #include "QtCore/qconfig-32.h"