diff --git a/lib/krb5/auth_context.c b/lib/krb5/auth_context.c
index 33c0c76ad..e92df59c8 100644
--- a/lib/krb5/auth_context.c
+++ b/lib/krb5/auth_context.c
@@ -25,3 +25,121 @@ krb5_auth_con_free(krb5_context context,
   free (auth_context);
   return 0;
 }
+
+krb5_error_code
+krb5_auth_con_setflags(krb5_context context,
+		       krb5_auth_context *auth_context,
+		       krb5_int32 flags)
+{
+}
+
+
+krb5_error_code
+krb5_auth_con_getflags(krb5_context context,
+		       krb5_auth_context *auth_context,
+		       krb5_int32 *flags)
+{
+}
+
+
+krb5_error_code
+krb5_auth_con_setaddrs(krb5_context context,
+		       krb5_auth_context *auth_context,
+		       krb5_address *local_addr,
+		       krb5_address *remote_addr)
+{
+}
+
+
+krb5_error_code
+krb5_auth_con_getaddrs(krb5_context context,
+		       krb5_auth_context *auth_context,
+		       krb5_address **local_addr,
+		       krb5_address **remote_addr)
+{
+}
+
+
+
+krb5_error_code
+krb5_auth_con_setuserkey(krb5_context context,
+			 krb5_auth_context *auth_context,
+			 krb5_keyblock *keyblock)
+{
+}
+
+
+krb5_error_code
+krb5_auth_con_getkey(krb5_context context,
+		     krb5_auth_context *auth_context,
+		     krb5_keyblock **keyblock)
+{
+}
+
+
+/* ??? */
+void
+krb5_free_keyblock(krb5_keyblock *keyblock)
+{
+  
+}
+
+krb5_error_code
+krb5_auth_setcksumtype(krb5_context context,
+		       krb5_auth_context *auth_context,
+		       krb5_cksumtype cksumtype)
+{
+}
+
+
+krb5_error_code
+krb5_auth_getlocalseqnumber(krb5_context context,
+			    krb5_auth_context *auth_context,
+			    krb5_int32 *seqnumber)
+{
+}
+
+
+krb5_error_code
+krb5_auth_getremoteseqnumber(krb5_context context,
+			     krb5_auth_context *auth_context,
+			     krb5_int32 *seqnumber)
+{
+}
+
+
+krb5_error_code
+krb5_auth_getauthenticator(krb5_context context,
+			   krb5_auth_context *auth_context,
+			   krb5_authenticator **authenticator)
+{
+}
+
+
+void
+krb5_free_authenticator(krb5_authenticator *authenticator)
+{
+}
+ /* ??? */
+
+krb5_error_code
+krb5_auth_initvector(krb5_context context,
+		     krb5_auth_context *auth_context)
+{
+}
+
+
+krb5_error_code
+krb5_set_initvector(krb5_context context,
+		    krb5_auth_context *auth_context,
+		    krb5_pointer ivector)
+{
+}
+
+
+krb5_error_code
+krb5_set_rcache(krb5_context context,
+		krb5_auth_context *auth_context,
+		krb5_rcache rcache)
+{
+}