Provided by: autoconf_2.72-3ubuntu1_all 

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/.
GNU Autoconf 2.72 December 2023 AUTOUPDATE(1)