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+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.1.
+.TH AUTOUPDATE "1" "December 2023" "GNU Autoconf 2.52.20231210" "User Commands"
+.SH NAME
+autoupdate \- Update a configure.in to a newer Autoconf
+.SH SYNOPSIS
+.B autoupdate
+[\fI\,OPTION\/\fR] ...  [\fI\,TEMPLATE-FILE\/\fR...]
+.SH DESCRIPTION
+Update the 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
+.SS "Library directories:"
+.TP
+\fB\-A\fR, \fB\-\-autoconf\-dir\fR=\fI\,ACDIR\/\fR
+Autoconf's macro files location (rarely needed)
+.TP
+\fB\-l\fR, \fB\-\-localdir\fR=\fI\,DIR\/\fR
+location of `aclocal.m4'
+.SS "Environment variables:"
+.TP
+M4
+GNU M4 1.4 or above
+.TP
+AUTOCONF
+autoconf 2.52.20231210
+.SH AUTHOR
+Written by David J. MacKenzie and Akim Demaille.
+.SH "REPORTING BUGS"
+Report bugs to <dickey@invisible\-island.net>.
+.SH COPYRIGHT
+Copyright 1994, 1999, 2000, 2001 Free Software Foundation, Inc.
+.br
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+.SH "SEE ALSO"
+.BR autoconf (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).
+.PP
+The full documentation for
+.B autoupdate
+is maintained as a Texinfo manual.  If the
+.B info
+and
+.B autoupdate
+programs are properly installed at your site, the command
+.IP
+.B info autoupdate
+.PP
+should give you access to the complete manual.