+# else
+# ifdef HAVE_REQ_FAILFAST_MASK
+ /* REQ_FAILFAST_* preferred interface from 2.6.36 - 2.6.xx,
+ * the BIO_* and REQ_* flags were unified under REQ_* flags. */
+ *flags |= REQ_FAILFAST_MASK;
+# endif /* HAVE_REQ_FAILFAST_MASK */
+# endif /* HAVE_BIO_RW_FAILFAST */
+#endif /* HAVE_BIO_RW_FAILFAST_DTD */