NAME

       autoupdate - Update a configure.ac to a newer Autoconf

SYNOPSIS

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

DESCRIPTION

       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.

   Operation modes:
       -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

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

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

AUTHOR

       Written by David J. MacKenzie and Akim Demaille.

REPORTING BUGS

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

COPYRIGHT

       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.

SEE ALSO

       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

              info autoconf

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