git clone ''

(ql:quickload :cl-m4)

cl-m4 - Common Lisp re-implementation of GNU M4

cl-m4 is a complete M4 implementation from scratch targeted at GNU M4 compatibility.

cl-m4 is completely written in Common Lisp and licensed under the GPLv3+[1]. Please see the file COPYING in the top-level directory of the distribution tarball or see the link at [1] if you didn't receive a copy along with this file.

Since distribution in binary form requires static linking of Common Lisp libraries, distribution must include the file CREDITS also found in mentioned top-level directory to respect copyright of the respective holders.


Please see file INSTALL.

Links and References

Homepage: Hacking:


Copyright (C) 2009, 2010 Alexander Kahl <> This file is part of cl-m4. cl-m4 is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

cl-m4 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see