/* We don't have an fwrite() function that installs an invalid parameter
handler so far. So install that handler here, explicitly. */
-#if MSVC_INVALID_PARAMETER_HANDLING == DEFAULT_HANDLING
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER \
+ && MSVC_INVALID_PARAMETER_HANDLING == DEFAULT_HANDLING
gl_msvc_inval_ensure_handler ();
#endif