+ _cleanup_free_ char *fn = NULL;
+
+ /* .includes are a bad idea, we only support them here
+ * for historical reasons. They create cyclic include
+ * problems and make it difficult to detect
+ * configuration file changes with an easy
+ * stat(). Better approaches, such as .d/ drop-in
+ * snippets exist.
+ *
+ * Support for them should be eventually removed. */
+
+ if (!allow_include) {
+ log_syntax(unit, LOG_ERR, filename, line, EBADMSG,
+ ".include not allowed here. Ignoring.");
+ return 0;
+ }