#ifdef SUPPORT_TLS
extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
+extern BOOL gnutls_enable_pkcs11; /* Let GnuTLS autoload PKCS11 modules */
extern uschar *gnutls_require_mac; /* So some can be avoided */
extern uschar *gnutls_require_kx; /* So some can be avoided */
extern uschar *gnutls_require_proto; /* So some can be avoided */