AUTOUPDATE(1) User Commands AUTOUPDATE(1) 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 , or via Savannah: . COPYRIGHT Copyright (C) 2023 Free Software Foundation, Inc. License GPLv3+/Autoconf: GNU GPL version 3 or later , 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 . GNU Autoconf 2.72 December 2023 AUTOUPDATE(1)