--- a/runtime/Cpp/CMakeLists.txt
+++ b/runtime/Cpp/CMakeLists.txt
@@ -133,7 +133,6 @@
 elseif(CMAKE_SYSTEM_NAME MATCHES "Emscripten")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
 else()
-    message(FATAL_ERROR "Your C++ compiler does not support C++11.")
 endif()