diff -ur qBittorrent-release-3.3.1.orig/src/src.pro qBittorrent-release-3.3.1/src/src.pro
--- qBittorrent-release-3.3.1.orig/src/src.pro	2015-12-10 11:51:08.447320613 +0100
+++ qBittorrent-release-3.3.1/src/src.pro	2015-12-10 11:52:20.230474023 +0100
@@ -5,6 +5,7 @@
 # C++11 support
 CONFIG += c++11
 DEFINES += BOOST_NO_CXX11_RVALUE_REFERENCES
+DEFINES += BOOST_NO_CXX11_REF_QUALIFIERS
 greaterThan(QT_MAJOR_VERSION, 4): DEFINES += QBT_USES_QT5
 
 # Windows specific configuration