10.12. M4-1.4.4

#### Cross-Compiled Linux From Scratch - Version 1.0.0rc1-x86

### Chapter 10. Installing Basic System Software

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# 10.12. M4-1.4.4

The M4 package contains a macro processor.

## 10.12.1. Installation of M4

Prepare M4 for compilation:

    ./configure --prefix=/usr

Compile the package:

    make

To test the results, issue: `make check`.

Install the package:

    make install

## 10.12.2. Contents of M4

Installed program: m4

### Short Descriptions

m4 | copies the given files while expanding the macros that they contain. These macros are either built-in or user-defined and can take any number of arguments. Besides performing macro expansion, m4 has built-in functions for including named files, running Unix commands, performing integer arithmetic, manipulating text, recursion, etc. The m4 program can be used either as a front-end to a compiler or as a macro processor in its own right.

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