diff -Nrup a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2018-06-02 06:59:37.000000000 +0200
+++ b/CMakeLists.txt	2019-08-20 12:59:07.704587062 +0200
@@ -30,7 +30,7 @@ set(LIB_INSTALL_DIR          "${EXEC_INS
 
 if (CMAKE_COMPILER_IS_GNUCXX)
    if (CMAKE_SYSTEM_NAME MATCHES Linux OR CMAKE_SYSTEM_NAME STREQUAL GNU)
-       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -fno-check-new -fno-common")
+       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -fno-check-new -fno-common -std=gnu++11")
        add_definitions(-DQT_NO_EXCEPTIONS)
    endif (CMAKE_SYSTEM_NAME MATCHES Linux OR CMAKE_SYSTEM_NAME STREQUAL GNU)
 endif (CMAKE_COMPILER_IS_GNUCXX)