8.15. M4-1.4.18

The M4 package contains a macro processor.

Approximate build time: 0.4 SBU
Required disk space: 31 MB

8.15.1. Installation of M4

First, make some fixes required by glibc-2.28 and later:

sed -i 's/IO_ftrylockfile/IO_EOF_SEEN/' lib/*.c
echo "#define _IO_IN_BACKUP 0x100" >> lib/stdio-impl.h

Prepare M4 for compilation:

./configure --prefix=/usr

Compile the package:


To test the results, issue:

make check

Install the package:

make install

8.15.2. Contents of M4

Installed program: m4

Short Descriptions


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.