.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
.TH AUTOUPDATE "1" "December 2023" "GNU Autoconf 2.72" "User Commands"
.SH NAME
autoupdate \- Update a configure.ac to a newer Autoconf
.SH SYNOPSIS
.B autoupdate
[\fI\,OPTION\/\fR]... [\fI\,TEMPLATE-FILE\/\fR]...
.SH 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.
.SS "Operation modes:"
.TP
\fB\-h\fR, \fB\-\-help\fR
print this help, then exit
.TP
\fB\-V\fR, \fB\-\-version\fR
print version number, then exit
.TP
\fB\-v\fR, \fB\-\-verbose\fR
verbosely report processing
.TP
\fB\-d\fR, \fB\-\-debug\fR
don't remove temporary files
.TP
\fB\-f\fR, \fB\-\-force\fR
consider all files obsolete
.SS "Library directories:"
.TP
\fB\-B\fR, \fB\-\-prepend\-include\fR=\fI\,DIR\/\fR
prepend directory DIR to search path
.TP
\fB\-I\fR, \fB\-\-include\fR=\fI\,DIR\/\fR
append directory DIR to search path
.SH AUTHOR
Written by David J. MacKenzie and Akim Demaille.
.SH "REPORTING BUGS"
Report bugs to
.MT bug-autoconf@gnu.org
.ME ,
or via Savannah:
.UR https://savannah.gnu.org/support/?group=autoconf
.UE .
.SH COPYRIGHT
Copyright \(co 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>
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
.SH "SEE ALSO"
.BR autoconf (1),
.BR automake (1),
.BR autoreconf (1),
.BR autoupdate (1),
.BR autoheader (1),
.BR autoscan (1),
.BR config.guess (1),
.BR config.sub (1),
.BR ifnames (1),
.BR libtool (1).

The full documentation for Autoconf is maintained as a Texinfo manual.
To read the manual locally, use the command
.IP
.B info autoconf
.PP
You can also consult the Web version of the manual at
.UR https://gnu.org/software/autoconf/manual/
.UE .