ACLOCAL(1)                       User Commands                      ACLOCAL(1)

NAME
       aclocal - Generate aclocal.m4 by scanning configure.ac

SYNOPSIS
       aclocal [OPTION]...

DESCRIPTION
       Generate 'aclocal.m4' by scanning 'configure.ac' or 'configure.in'

OPTIONS
       --automake-acdir=DIR
              directory holding automake-provided m4 files

       --aclocal-path=PATH
              colon-separated list of directories to search for third-party
              local files

       --system-acdir=DIR
              directory holding third-party system-wide files

       --diff[=COMMAND]
              run COMMAND [diff -u] on M4 files that would be changed (implies
              --install and --dry-run)

       --dry-run
              pretend to, but do not actually update any file

       --force
              always update output file

       --help print this help, then exit

       -I DIR add directory to search list for .m4 files

       --install
              copy third-party files to the first -I directory

       --output=FILE
              put output in FILE (default aclocal.m4)

       --print-ac-dir
              print name of directory holding system-wide third-party m4
              files, then exit

       --verbose
              don't be silent

       --version
              print version number, then exit

       -W, --warnings=CATEGORY
              report the warnings falling in CATEGORY, defaults to $WARNINGS

   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

AUTHOR
       Written by Tom Tromey <tromey@redhat.com>

              and Alexandre Duret-Lutz <adl@gnu.org>.

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

COPYRIGHT
       Copyright (C) 2025 Free Software Foundation, Inc.  License GPLv2+: GNU
       GPL version 2 or later <https://gnu.org/licenses/gpl-2.0.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
       The full documentation for aclocal is maintained as a Texinfo manual.
       If the info and aclocal programs are properly installed at your site,
       the command

              info automake

       should give you access to the complete manual.

GNU automake 1.18                  June 2025                        ACLOCAL(1)