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# autoreconf - Unix, Linux Command

# NAME

autoreconf - Update generated configuration files

# SYNOPSIS

autoreconf [OPTION] ... [CONFIGURE-AC or DIRECTORY] ...

# DESCRIPTION

Run ‘autoconf’ (and ‘autoheader’, ‘aclocal’, ‘automake’, ‘autopoint’ (formerly ‘gettextize’), and ‘libtoolize’ where appropriate) repeatedly to remake the GNU Build System files in the DIRECTORIES or the directory trees driven by CONFIGURE-AC (defaulting to ‘.’).

By default, it only remakes those files that are older than their predecessors. If you install new versions of the GNU Build System, running ‘autoreconf’ remakes all of the files by giving it the ‘--force’ option.

## Operation modes:

Tag | Description
--- | ---
-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
-i, --install
| copy missing auxiliary files
-s, --symlink
| with -i, install symbolic links instead of copies
-m, --make | when applicable, re-run ./configure && make
-W, --warnings=CATEGORY
| report the warnings falling in CATEGORY [syntax]

## Warning categories include:

Tag | Description
--- | ---
‘cross’
| cross compilation issues
‘gnu’ | GNU coding standards (default in gnu and gnits modes)
‘obsolete’
| obsolete features or constructions
‘override’
| user redefinitions of Automake rules or variables
‘portability’
| portability issues
‘syntax’
| dubious syntactic constructs (default)
‘unsupported’
| unsupported or incomplete features (default)
‘all’ | all the warnings
‘no-CATEGORY’
| turn off warnings in CATEGORY
‘none’ | turn off all the warnings
‘error’
| treat warnings as errors

The environment variable ‘WARNINGS’ is honored. Some subtools might support other warning types, using ‘all’ is encouraged.

## Library directories:

Tag | Description
--- | ---
-B, --prepend-include=DIR
| prepend directory DIR to search path
-I, --include=DIR
| append directory DIR to search path

The environment variables AUTOCONF, AUTOHEADER, AUTOMAKE, ACLOCAL, AUTOPOINT, LIBTOOLIZE are honored.

# AUTHOR

Written by David J. MacKenzie and Akim Demaille.

# REPORTING BUGS

Report bugs to <bug-autoconf@gnu.org>.

# COPYRIGHT

Copyright © 2003 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

# SEE ALSO

- autoconf (1)

- automake (1)

- autoreconf (1)

- autoupdate (1)

- autoheader (1)

- autoscan (1)

- config (1)

- config (1)

- ifnames (1)

- libtool (1)

The full documentation for autoreconf is maintained as a Texinfo manual. If the info and autoreconf programs are properly installed at your site, the command

Tag | Description
--- | ---
| info autoreconf

should give you access to the complete manual.

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