autoupdate - Update a configure.ac to a newer Autoconf

       Written by David J. MacKenzie and Akim Demaille.

       Copyright © 2023 Free Software Foundation, Inc.  License GPLv3+/Autoconf: GNU  GPL  version  3  or  later
       <https://gnu.org/licenses/gpl.html>, <https://gnu.org/licenses/exceptions.html>
       This  is  free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent
       permitted by law.

       Update  each  TEMPLATE-FILE if given, or 'configure.ac' if present, or else 'configure.in', to the syntax
       of the current version of Autoconf.  The original files are backed up.

   Operationmodes:-h, --help
              print this help, then exit

       -V, --version
              print version number, then exit

       -v, --verbose
              verbosely report processing

       -d, --debug
              don't remove temporary files

       -f, --force
              consider all files obsolete

   Librarydirectories:-B, --prepend-include=DIR
              prepend directory DIR to search path

       -I, --include=DIR
              append directory DIR to search path

       autoupdate - Update a configure.ac to a newer Autoconf

       Report bugs to bug-autoconf@gnu.org, or via Savannah: https://savannah.gnu.org/support/?group=autoconf.

autoconf(1), automake(1),  autoreconf(1),  autoupdate(1),  autoheader(1),  autoscan(1),  config.guess(1),
       config.sub(1), ifnames(1), libtool(1).

       The  full  documentation for Autoconf is maintained as a Texinfo manual.  To read the manual locally, use
       the command

              infoautoconf

       You can also consult the Web version of the manual at https://gnu.org/software/autoconf/manual/.

GNU Autoconf 2.72                                 December 2023                                    AUTOUPDATE(1)

autoupdate [OPTION]... [TEMPLATE-FILE]...