--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -191,9 +191,9 @@
 # Note: not working on CMake 2.8. We assume that user has
 #       a compiler with C++11 support.
 
-set(CMAKE_CXX_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-message(STATUS "C++11 support has been enabled by default.")
+# set(CMAKE_CXX_STANDARD 11)
+# set(CMAKE_CXX_STANDARD_REQUIRED ON)
+# message(STATUS "C++11 support has been enabled by default.")
 
 # Unix
 if(CMAKE_COMPILER_IS_GNUCXX OR MINGW OR