Information about the package, m4, which is shipped with common Linux distributions. The m4 package is designed for, The GNU macro processor.
Package Name:
m4
Summary:
The GNU macro processor
Description:
A GNU implementation of the traditional UNIX macro processor. M4 is useful for writing text files which can be logically parsed, and is used by many programs as part of their build process. M4 has built-in functions for including files, running shell commands, doing arithmetic, etc. The autoconf program needs m4 for generating configure scripts, but not for running configure scripts. Install m4 if you need a macro processor.
Architecture:
x86_64
Version:
1.4.13
Release:
5.el6
Size:
548 k
Repository:
installed
From Repository:
anaconda-CentOS-201303020151.x86_64
Licence:
GPLv3+
Control the m4 package with the following handy commands outlined below.
yum install m4
This command will install m4 on the server.
yum remove m4
This command will un-install m4 on the server. When you run this command, you will be asked if you are sure that you want to remove m4, so you have to manually confirm that you want to do this.
yum -y remove m4
This command will un-install m4 on the server. When you run this command with th e -y flag, you will not be prompted to check that you are sure you want to remove the package - so be sure you absolutely want to remove m4 when using the -y flag.
yum update m4
This command will update m4 to the latest version. When you run this command, you will be asked if you are sure that you want to remove m4, so you have to manually confirm that you want to do this.
yum -y update m4
This command will update m4 to the latest version. When you run this command with the -y flag, you will not be prompted to check that you are sure you want to remove the package - so be sure you absolutely want to remove m4 when using the -y flag.
yum info m4
This command will show you core information about the m4 package.
yum deplist m4
This command will show you the dependencies for m4. Thankfully, when using Yum, if dependencies are required, these are also installed at the same time so you don't have to worry too much about that.
yum check-update m4
This command will check if there is an update waiting on m4. When you run this command this will return nothing if there is nothing to update, or, will return the package name if the package is due to be updated.