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Id: #26
System Name: m4
Name: GNU M4
Group Type: Official GNU software

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This project is part of the GNU Project.

GNU M4 is an implementation of the traditional Unix macro processor. It is mostly SVR4 compatible although it has some extensions (for example, handling more than 9 positional parameters to macros). GNU m4 also has built-in functions for including files, running shell commands, doing arithmetic, etc.

GNU M4 is a macro processor in the sense that it copies its input to the output expanding macros as it goes. Macros are either builtin or user-defined and can take any number of arguments. Besides just doing macro expansion m4 has builtin functions for including named files, running UNIX commands, doing integer arithmetic, manipulating text in various ways, recursion etc... m4 can be used either as a front-end to a compiler or as a macro processor in its own right.

One of the biggest users of GNU M4 is the GNU Autoconf project.

Registration Date: Thu 25 Jan 2001 02:56:10 PM UTC
License: GNU General Public License v3 or later
Development Status: 5 - Production/Stable

 

Latest News 
GNU M4 1.4.17 released [stable]
     posted by gary, Sun 22 Sep 2013 08:55:09 AM UTC - 0 replies

See the release announcement here:
http://lists.gnu.org/archive/html/m4-announce/2013-09/msg00000.html

GNU M4 1.4.16 released [stable]
     posted by ericb, Tue 01 Mar 2011 08:24:51 PM UTC - 0 replies

See the release announcement here:
http://lists.gnu.org/archive/html/m4-announce/2011-03/msg00000.html

GNU M4 1.4.15 released [stable]
     posted by ericb, Tue 31 Aug 2010 03:38:32 PM UTC - 0 replies

See the release announcement here:
http://lists.gnu.org/archive/html/m4-announce/2010-08/msg00000.html

GNU M4 1.4.14 released
     posted by ericb, Thu 25 Feb 2010 03:03:47 PM UTC - 0 replies

See the release announcement here:
http://lists.gnu.org/archive/html/m4-announce/2010-02/msg00000.html


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