int main(int argc, char **argv)
{
#ifdef FAIL
+#if HAVE_TYPEOF && HAVE_BUILTIN_CHOOSE_EXPR && HAVE_BUILTIN_TYPES_COMPATIBLE_P
char flag;
-#if !HAVE_TYPEOF
-#error "Unfortunately we don't fail if no typeof."
+#else
+#error "Unfortunately we don't fail if no typecheck_cb support."
#endif
#else
int flag;