.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
.TH AUTOCONF "1" "December 2023" "GNU Autoconf 2.72" "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
(comma\-separated list accepted)
.SS "Warning categories are:"
.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)
.SS "-W also understands:"
.TP
all
turn on all the warnings
.TP
none
turn off all the warnings
.TP
no\-CATEGORY
turn off warnings in CATEGORY
.TP
error
treat all enabled warnings as errors
.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
.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 .