diff --git a/macxconf.pri b/macxconf.pri
index a51b34405..554fdf38a 100644
--- a/macxconf.pri
+++ b/macxconf.pri
@@ -10,7 +10,9 @@ exists($$OUT_PWD/../conf.pri) {
 }
 
 LIBS += -framework Carbon -framework IOKit
-CONFIG += c++11
+
+# C++11 support
+lessThan(QT_MAJOR_VERSION, 5): QMAKE_CXXFLAGS += -std=c++11
 
 QT_LANG_PATH = ../dist/qt-translations
 DIST_PATH = ../dist/mac
diff --git a/os2conf.pri b/os2conf.pri
index c27a9e77e..469a5a3e9 100644
--- a/os2conf.pri
+++ b/os2conf.pri
@@ -1,3 +1,6 @@
+# C++11 support
+lessThan(QT_MAJOR_VERSION, 5): QMAKE_CXXFLAGS += -std=c++11
+
 exists(conf.pri) {
     # to the conf.pri goes all system dependent stuff
     include(conf.pri)
diff --git a/src/src.pro b/src/src.pro
index 333160ad9..be82b41a7 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -2,6 +2,10 @@
 TEMPLATE = app
 CONFIG += qt thread silent
 
+# C++11 support
+CONFIG += c++11
+DEFINES += BOOST_NO_CXX11_RVALUE_REFERENCES
+
 # Windows specific configuration
 win32: include(../winconf.pri)
 
diff --git a/unixconf.pri b/unixconf.pri
index 2738b5952..f26fba4f7 100644
--- a/unixconf.pri
+++ b/unixconf.pri
@@ -9,6 +9,9 @@ exists($$OUT_PWD/../conf.pri) {
     include(conf.pri)
 }
 
+# C++11 support
+lessThan(QT_MAJOR_VERSION, 5): QMAKE_CXXFLAGS += -std=c++0x
+
 # COMPILATION SPECIFIC
 !nogui:dbus {
     QT += dbus
diff --git a/winconf-mingw.pri b/winconf-mingw.pri
index 450700049..0283d23e6 100644
--- a/winconf-mingw.pri
+++ b/winconf-mingw.pri
@@ -1,3 +1,6 @@
+# C++11 support
+lessThan(QT_MAJOR_VERSION, 5): QMAKE_CXXFLAGS += -std=gnu++11
+
 strace_win{
   contains(QMAKE_HOST.arch, x86) {
     # i686 arch requires frame pointer preservation