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AUTORECONF(1)                    User Commands                   AUTORECONF(1)

NAME
       autoreconf - Update generated configuration files

SYNOPSIS
       autoreconf2.71 [OPTION]... [DIRECTORY]...

DESCRIPTION
       Run 'autoconf2.71' and, when needed, 'aclocal', 'autoheader2.71',
       'automake', 'autopoint' (formerly 'gettextize'), 'libtoolize',
       'intltoolize', and 'gtkdocize' to regenerate the GNU Build System files
       in specified DIRECTORIES and their subdirectories (defaulting to '.').

       By default, it only remakes those files that are older than their
       sources.  If you install new versions of the GNU Build System, you can
       make 'autoreconf2.71' remake all of the files by giving it the
       '--force' option.

   Operation modes:
       -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 generated and standard files obsolete

       -i, --install
              copy missing standard auxiliary files

       --no-recursive
              don't rebuild sub-packages

       -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:
       cross  cross compilation issues

       gnu    GNU coding standards (default in gnu and gnits modes)

       obsolete
              obsolete features or constructions (default)

       override
              user redefinitions of Automake rules or variables

       portability
              portability issues (default in gnu and gnits modes)

       portability-recursive
              nested Make variables (default with -Wportability)

       extra-portability
              extra portability issues related to obscure tools

       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:
       -B, --prepend-include=DIR
              prepend directory DIR to search path

       -I, --include=DIR
              append directory DIR to search path

       The environment variables AUTOCONF, ACLOCAL, AUTOHEADER, AUTOM4TE,
       AUTOMAKE, AUTOPOINT, GTKDOCIZE, INTLTOOLIZE, LIBTOOLIZE, M4, and MAKE
       are honored.

AUTHOR
       Written by David J. MacKenzie and Akim Demaille.

REPORTING BUGS
       Report bugs to <bug-autoconf@gnu.org>.
       GNU Autoconf home page: <https://www.gnu.org/software/autoconf/>.
       General help using GNU software: <https://www.gnu.org/gethelp/>.

COPYRIGHT
       Copyright (C) 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>
       This is free software: you are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       autoconf2.71(1), automake(1), autoreconf2.71(1), autoupdate2.71(1),
       autoheader2.71(1), autoscan2.71(1), ifnames2.71(1), libtool(1).

       The full documentation for autoreconf2.71 is maintained as a Texinfo
       manual.  If the info and autoreconf2.71 programs are properly installed
       at your site, the command

              info autoreconf2.71

       should give you access to the complete manual.

GNU Autoconf 2.71                January 2021                    AUTORECONF(1)