The aclocal command in Linux is used to generate the aclocal.m4 file, which is used by the autoconf command to configure software. The aclocal command is part of the autoconf suite of tools.
Here are some examples of how to use the aclocal command:
# To generate the `aclocal.m4` file:
aclocal
# To specify a directory to search for macros:
aclocal -I /usr/local/share/aclocal
# To enable warnings:
aclocal -W
help
Usage: aclocal [OPTION]...
Generate 'aclocal.m4' by scanning 'configure.ac' or 'configure.in'
Options:
--automake-acdir=DIR directory holding automake-provided m4 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
breakdown
-I, --includes=DIR: This option specifies a directory to search for macros.
-W, --warnings: This option enables warnings.
-h, --help: This option shows this help message.
-V, --version: This option prints version information.