Difference between revisions of "M4" - Free Software Directory

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(Created page with "{{Entry |Name=m4 |Short description=Macro processor |Full description=An implementation of the traditional UNIX macro processor in that it copies its input to the output, expandi...")
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|Submitted by=Database conversion
|Submitted by=Database conversion
|Submitted date=2011-04-01
|Submitted date=2011-04-01
|Version identifier=1.4.10
|Version identifier=1.4.11
|Version date=2007-07-09
|Version date=2008-04-02
|Version status=stable
|Version status=stable
|Version download=http://ftp.gnu.org/pub/gnu/m4/m4-1.4.10.tar.gz
|Version download=http://ftp.gnu.org/pub/gnu/m4/m4-1.4.11.tar.gz
|License verified date=2001-01-31
|License verified date=2008-04-10
|Version comment=1.4.10 released 2007-07-09
|Version comment=
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{{Project license
{{Project license
|License verified by=Janet Casey
|License verified by=Deborah Nicholson
|License verified date=2001-01-31
|License verified date=2008-04-10

Revision as of 10:37, 12 April 2011



M4 is an implementation of the M4 macro language, which features some extensions over other implementations, some of which are required by GNU Autoconf. It is used as a macro processor, which means it processes text, expanding macros as it encounters them. It also has some built-in functions, for example to run shell commands or to do arithmetic.


User reference manual available from http://www.gnu.org/software/m4/manual/m4.html

Heckert gnu.small.png This is a GNU package:m4


Download version 1.4.18 (stable)
released on 31 December 2016

VCS Checkout


Related Projects


LicenseVerified byVerified onNotes
GPLv3orlaterKelly Hopkins31 August 2010
GPLv2orlaterKelly Hopkins31 August 2010

Leaders and contributors

See the M4 AUTHORS file for a complete list: Contributor
Gary V. Vaughan Maintainer
Eric Blake Maintainer

Resources and communication

Audience Resource type URI
Guix Homepage https://www.gnu.org/software/guix/packages/m.html
Developer E-mail mailto:m4-discuss@gnu.org
Debian Homepage https://packages.debian.org/jessie/m4
Help Newsgroup gnu.announce
Gentoo Homepage https://packages.gentoo.org/packages/sys-devel/m4
Developer Homepage https://savannah.gnu.org/projects/m4/
FreeBSD Homepage https://www.freshports.org/devel/m4/
Developer VCS Repository Webview http://git.savannah.gnu.org/cgit/m4.git
Bug Tracking E-mail mailto:bug-m4@gnu.org
NetBSD Homepage http://pkgsrc.se/devel/m4
Developer Download http://ftpmirror.gnu.org/m4/
Help E-mail mailto:m4-announce@gnu.org
EmacsWiki Homepage https://www.emacswiki.org/emacs/AutoconfMode

Software prerequisites

This entry (in part or in whole) was last reviewed on 30 January 2017.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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