Adding upstream version 0.4.0+20151117.

CMakeLists.txt

@@ -15,6 +15,26 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_AUTOMOC ON)
 
+# C++ 11 support
+if (CMAKE_VERSION VERSION_LESS "3.1")
+    include(CheckCXXCompilerFlag)
+    CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
+    if(COMPILER_SUPPORTS_CXX11)
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+    else()
+        CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
+        # -std=c++0x is deprecated but some tools e.g. qmake or older gcc are still using it
+        if(COMPILER_SUPPORTS_CXX0X)
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
+        else()
+            message(FATAL_ERROR "Compiler ${CMAKE_CXX_COMPILER} does not support c++11/c++0x")
+        endif()
+    endif()
+else()
+  set(CMAKE_CXX_STANDARD 11)
+endif()
+
+
 find_package(Qt5Widgets REQUIRED)
 find_package(Qt5DBus REQUIRED)
 find_package(Qt5PrintSupport REQUIRED QUIET)