+check_cxx_compiler_flag("-std=c++17" HAVE_STD_CXX_17)
+check_cxx_compiler_flag("-std=c++14" HAVE_STD_CXX_14)
+check_cxx_compiler_flag("-std=c++11" HAVE_STD_CXX_11)
+if(HAVE_STD_CXX_17)
+ message(STATUS "Using C++17 for the application build")
+ set(CMAKE_CXX_STANDARD 17)
+ set(REQUIRED_STD_CXX_FLAGS "-std=c++17")
+elseif(HAVE_STD_CXX_14)
+ message(STATUS "Using C++14 for the application build")
+ set(CMAKE_CXX_STANDARD 14)
+ set(REQUIRED_STD_CXX_FLAGS "-std=c++14")
+elseif(HAVE_STD_CXX_11)
+ message(STATUS "Using C++11 for the application build")
+ set(CMAKE_CXX_STANDARD 11)
+ set(REQUIRED_STD_CXX_FLAGS "-std=c++11")
+else()
+ message(FATAL_ERROR "Need modern C++, at least language standard 11")
+endif()