add compiler & cmake version check

CMakeLists.txt

@@ -36,12 +36,17 @@ target_include_directories(
     INTERFACE $<INSTALL_INTERFACE:include/>
 )
 
-target_sources(
+##
+## add debug view defintion file for msvc
+##
+if (MSVC AND CMAKE_VERSION VERSION_GREATER "3.2.2")
+    target_sources(
         ${NLOHMANN_JSON_TARGET_NAME} 
         INTERFACE 
             $<INSTALL_INTERFACE:include/json.natvis>
             $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/${NLOHMANN_JSON_SOURCE_DIR}/json.natvis>  
-)
+    )
+endif()
            
 ##
 ## TESTS