+{
+ return 0;
+}
+
+void
+objc_declare_alias (tree ARG_UNUSED (alias), tree ARG_UNUSED (orig))
+{
+}
+
+void
+objc_declare_class (tree ARG_UNUSED (list))
+{
+}
+
+void
+objc_declare_protocols (tree ARG_UNUSED (list))
+{
+}
+
+void
+objc_start_protocol (tree ARG_UNUSED (proto),
+ tree ARG_UNUSED (protorefs))
+{
+}
+
+void
+objc_start_class_interface (tree ARG_UNUSED (name),
+ tree ARG_UNUSED (super),
+ tree ARG_UNUSED (protos))
+{
+}
+
+void
+objc_start_category_interface (tree ARG_UNUSED (name),
+ tree ARG_UNUSED (categ),
+ tree ARG_UNUSED (protos))
+{
+}
+
+void
+objc_continue_interface (void)
+{
+}
+
+void
+objc_finish_interface (void)
+{
+}
+
+void
+objc_add_instance_variable (tree ARG_UNUSED (decl))
+{
+}
+
+void
+objc_set_visibility (int ARG_UNUSED (vis))
+{
+}
+
+void
+objc_set_method_type (enum tree_code ARG_UNUSED (code))
+{
+}
+
+void
+objc_start_class_implementation (tree ARG_UNUSED (name),
+ tree ARG_UNUSED (super))
+{
+}
+
+void
+objc_start_category_implementation (tree ARG_UNUSED (name),
+ tree ARG_UNUSED (categ))
+{
+}
+
+void
+objc_continue_implementation (void)
+{
+}
+
+void
+objc_clear_super_receiver (void)
+{
+}
+
+void
+objc_finish_implementation (void)
+{
+}
+
+void
+objc_add_method_declaration (tree ARG_UNUSED (signature))
+{
+}
+
+void
+objc_start_method_definition (tree ARG_UNUSED (signature))
+{
+}
+
+void
+objc_finish_method_definition (tree ARG_UNUSED (fndecl))
+{
+}
+
+tree
+objc_build_keyword_decl (tree ARG_UNUSED (selector),
+ tree ARG_UNUSED (type),
+ tree ARG_UNUSED (identifier))
+{
+ return 0;
+}
+
+tree
+objc_build_method_signature (tree ARG_UNUSED (rettype),
+ tree ARG_UNUSED (selectors),
+ tree ARG_UNUSED (optparms),
+ bool ARG_UNUSED (ellipsis))
+{
+ return 0;
+}
+
+tree
+objc_build_encode_expr (tree ARG_UNUSED (expr))
+{