Index: /trunk/configure
===================================================================
--- /trunk/configure	(revision 88295)
+++ /trunk/configure	(revision 88296)
@@ -1612,5 +1612,5 @@
         echo "(Qt5 from '$q')" >> $LOG
         INCQT5="$q/include $q/include/QtCore"
-        FLGQT5="-DQT_SHARED"
+        FLGQT5="-DQT_SHARED -std=c++11"
         I_INCQT5=`prefix_I "$INCQT5"`
         LIBQT5="-L$q/lib -lQt5CoreVBox"