.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
.TH AUTOCONF "1" "January 2023" "GNU Autoconf 2.71" "User Commands"
.SH NAME
autoconf \- Generate configuration scripts
.SH SYNOPSIS
.B autoconf
[\fI\,OPTION\/\fR]... [\fI\,TEMPLATE-FILE\/\fR]
.SH DESCRIPTION
Generate a configuration script from a TEMPLATE\-FILE if given, or
\&'configure.ac' if present, or else 'configure.in'.  Output is sent
to the standard output if TEMPLATE\-FILE is given, else into
\&'configure'.
.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
.TP
\fB\-o\fR, \fB\-\-output\fR=\fI\,FILE\/\fR
save output in FILE (stdout is the default)
.TP
\fB\-W\fR, \fB\-\-warnings\fR=\fI\,CATEGORY\/\fR
report the warnings falling in CATEGORY
.SS "Warning categories include:"
.TP
cross
cross compilation issues
.TP
gnu
GNU coding standards (default in gnu and gnits modes)
.TP
obsolete
obsolete features or constructions (default)
.TP
override
user redefinitions of Automake rules or variables
.TP
portability
portability issues (default in gnu and gnits modes)
.TP
portability\-recursive
nested Make variables (default with \fB\-Wportability\fR)
.TP
extra\-portability
extra portability issues related to obscure tools
.TP
syntax
dubious syntactic constructs (default)
.TP
unsupported
unsupported or incomplete features (default)
.TP
all
all the warnings
.TP
no\-CATEGORY
turn off warnings in CATEGORY
.TP
none
turn off all the warnings
.PP
The environment variables 'M4' and 'WARNINGS' are honored.
.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
.SS "Tracing:"
.TP
\fB\-t\fR, \fB\-\-trace\fR=\fI\,MACRO[\/\fR:FORMAT]
report the list of calls to MACRO
.TP
\fB\-i\fR, \fB\-\-initialization\fR
also trace Autoconf's initialization process
.PP
In tracing mode, no configuration script is created.  FORMAT defaults
to '$f:$l:$n:$%'; see 'autom4te \fB\-\-help\fR' for information about FORMAT.
.SH AUTHOR
Written by David J. MacKenzie and Akim Demaille.
.SH "REPORTING BUGS"
Report bugs to <bug\-autoconf@gnu.org>.
.br
GNU Autoconf home page: <https://www.gnu.org/software/autoconf/>.
.br
General help using GNU software: <https://www.gnu.org/gethelp/>.
.SH COPYRIGHT
Copyright \(co 2021 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).
.PP
The full documentation for
.B autoconf
is maintained as a Texinfo manual.  If the
.B info
and
.B autoconf
programs are properly installed at your site, the command
.IP
.B info autoconf
.PP
should give you access to the complete manual.