diff -rNC2 mysql-5.7.12.orig/client/client_priv.h mysql-5.7.12/client/client_priv.h
*** mysql-5.7.12.orig/client/client_priv.h	Mon Mar 28 11:06:12 2016
--- mysql-5.7.12/client/client_priv.h	Thu Jun  2 16:29:48 2016
***************
*** 146,154 ****
  */
  #define CLIENT_WARN_DEPRECATED_NO_REPLACEMENT(opt) \
!   printf("WARNING: " opt \
           " is deprecated and will be removed in a future version\n")
  
  #define CLIENT_WARN_DEPRECATED(opt, new_opt) \
!   printf("WARNING: " opt \
           " is deprecated and will be removed in a future version. " \
           "Use " new_opt " instead.\n")
--- 146,154 ----
  */
  #define CLIENT_WARN_DEPRECATED_NO_REPLACEMENT(opt) \
!   fprintf(stderr, "WARNING: " opt \
           " is deprecated and will be removed in a future version\n")
  
  #define CLIENT_WARN_DEPRECATED(opt, new_opt) \
!   fprintf(stderr, "WARNING: " opt \
           " is deprecated and will be removed in a future version. " \
           "Use " new_opt " instead.\n")
diff -rNC2 mysql-5.7.12.orig/include/sslopt-vars.h mysql-5.7.12/include/sslopt-vars.h
*** mysql-5.7.12.orig/include/sslopt-vars.h	Mon Mar 28 11:06:12 2016
--- mysql-5.7.12/include/sslopt-vars.h	Thu Jun  2 16:31:10 2016
***************
*** 52,56 ****
        (opt_ssl_ca || opt_ssl_capath))
    {
!     printf("WARNING: no verification of server certificate will be done. "
             "Use --ssl-mode=VERIFY_CA or VERIFY_IDENTITY.\n");
    }
--- 52,56 ----
        (opt_ssl_ca || opt_ssl_capath))
    {
!     fprintf(stderr, "WARNING: no verification of server certificate will be done. "
             "Use --ssl-mode=VERIFY_CA or VERIFY_IDENTITY.\n");
    }