--- src/security/ServerOptions.h.orig	2019-02-19 02:46:22 UTC

+++ src/security/ServerOptions.h

@@ -35,7 +35,7 @@ class ServerOptions : public PeerOptions (public)

         // is more secure to have only a small set of trusted CA.

         flags.tlsDefaultCa.defaultTo(false);

     }

-    ServerOptions(const ServerOptions &) = default;

+    ServerOptions(const ServerOptions &) = delete;

     ServerOptions &operator =(const ServerOptions &);

     ServerOptions(ServerOptions &&o) { this->operator =(o); }

     ServerOptions &operator =(ServerOptions &&o) { this->operator =(o); return *this; }