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AUTORECONF(1) User Commands AUTORECONF(1) NAME autoreconf - Update generated configuration files SYNOPSIS autoreconf2.73 [OPTION]... [DIRECTORY]... DESCRIPTION Run 'autoconf2.73' and, when needed, 'aclocal', 'autoheader2.73', 'au- tomake', 'autopoint' (formerly 'gettextize'), 'libtoolize', 'intl- toolize', 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 'autoreconf2.73' 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 -R, --replace-handwritten replace files that *could* be generated but appear to have been written by hand (only config.h.in at present) -i, --install copy missing standard auxiliary files --no-recursive don't rebuild sub-packages -s, --symlink with -i, install symbolic links instead of copies -x, --exclude=CMDS don't run any of the commands in CMDS (comma-separated list) -m, --make when applicable, re-run ./configure && make -W, --warnings=CATEGORY report the warnings falling in CATEGORY (comma-separated list accepted) Warning categories are: 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) -W also understands: all turn on all the warnings none turn off all the warnings no-CATEGORY turn off warnings in CATEGORY error treat all enabled warnings as errors 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, AU- TOMAKE, AUTOPOINT, GTKDOCIZE, INTLTOOLIZE, LIBTOOLIZE, M4, MAKE, and WARNINGS are honored. AUTHOR Written by David J. MacKenzie and Akim Demaille. REPORTING BUGS Report bugs to <bug-autoconf@gnu.org>, or via Savannah: <https://savannah.gnu.org/support/?group=autoconf2.73>. COPYRIGHT Copyright (C) 2026 Free Software Foundation, Inc. License GPLv3+/Auto- conf: 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 autoconf2.73(1), automake(1), autoreconf2.73(1), autoupdate2.73(1), au- toheader2.73(1), autoscan2.73(1), ifnames2.73(1), libtool(1). The full documentation for Autoconf is maintained as a Texinfo manual. To read the manual locally, use the command info autoconf2.73 You can also consult the Web version of the manual at <https://gnu.org/software/autoconf/manual/>. GNU Autoconf 2.73 March 2026 AUTORECONF(1)
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