machine_id[sizeof("_MACHINE_ID=") + 32] = "_MACHINE_ID=";
char _cleanup_free_ *comm = NULL, *cmdline = NULL, *hostname = NULL,
- *audit_session = NULL, *audit_loginuid = NULL,
*exe = NULL, *cgroup = NULL, *session = NULL,
*owner_uid = NULL, *unit = NULL, *selinux_context = NULL;
+#ifdef HAVE_AUDIT
+ char _cleanup_free_ *audit_session = NULL, *audit_loginuid = NULL;
+#endif
+
sd_id128_t id;
int r;
char *t;