Added a message for MSCV < 2015
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1fad3ef..af5a353 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,10 @@
 set(INJA_SOURCE_DIR src)
 set(INJA_HEADER_INSTALL_DIR include)
 
+if(WIN32 AND MSVC AND MSVC_VERSION LESS 1900)
+    message(FATAL_ERROR "[${PROJECT_NAME}] Visual Studio versions prior to 2015 do not support the noexcept keyword, which is used in the JSON library.")
+endif()
+
 ##
 ## TESTS
 ## create and configure the unit test target