+#ifdef HAVE_GCRYPT
+#define _GCRYPT_FEATURE_ "+GCRYPT"
+#else
+#define _GCRYPT_FEATURE_ "-GCRYPT"
+#endif
+
+#ifdef HAVE_ACL
+#define _ACL_FEATURE_ "+ACL"
+#else
+#define _ACL_FEATURE_ "-ACL"
+#endif
+
+#ifdef HAVE_XZ
+#define _XZ_FEATURE_ "+XZ"
+#else
+#define _XZ_FEATURE_ "-XZ"
+#endif