%general-entities; ]> M4 The M4 package contains a macro processor. &buildtime; 0.1 SBU &diskspace; 3.0 MB M4 installation depends on: Bash, Binutils, Coreutils, Diffutils, GCC, Gettext, Glibc, Grep, Make, Perl, Sed. Prepare M4 for compilation: ./configure --prefix=/usr Compile the package: make To test the results, issue: make check. And install the package: make install Installed program: m4 m4 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 just doing macro expansion, m4 has built-in functions for including named files, running Unix commands, doing integer arithmetic, manipulating text in various ways, recursion, and so on. The m4 program can be used either as a front-end to a compiler or as a macro processor in its own right.