aclocal [OPTIONS] ...


Generate `aclocal.m4' by scanning `' or `'



directory holding automake-provided m4 files


directory holding third-party system-wide files


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


pretend to, but do not actually update any file


always update output file


print this help, then exit


add directory to search list for .m4 files


copy third-party files to the first -I directory


put output in FILE (default aclocal.m4)


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


don't be silent


print version number, then exit

-W, --warnings=CATEGORY

report the warnings falling in CATEGORY

Warning categories include:


dubious syntactic constructs (default)


unknown macros (default)


all the warnings (default)


turn off warnings in CATEGORY


turn off all the warnings


treat warnings as errors


Written by Tom Tromey <[email protected]>


Report bugs to <[email protected]>.

GNU Automake home page: <>.

General help using GNU software: <>.


Copyright © 2011 Free Software Foundation, Inc. License GPLv2+: GNU GPL version 2 or later <>

This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

RELATED TO aclocal-1.11…

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 aclocal

should give you access to the complete manual.