* automake.in (&am_print_error): Set $exit_status since all your users do. (&am_error, &am_file_error, &am_line_error, &am_conf_error): Don't. (&am_conf_line_error, &am_conf_line_warning): Remove. Adjust callers to use &am_file_error and... (&am_file_warning): new.