Hi!
It appears there are some #ifdef ENABLE_ALPN missing from common.c
around this piece of code (error on line 580):
rc = gnutls_alpn_get_selected_protocol (session, &p);
if (rc == 0)
printf ("- Application protocol: %.*s\n", p.size, p.data);
Best regards,
Jaak Ristioja
Cybernetica AS