m4-1.4.2 for classic AmigaOS (maintained by Gary Vaughan). It is build using libnix, so it should be able to run on AmigaOS 4.x !
Build natively on WinUAE. Find it in the
download section of website.
m4 is a UNIX macro processor used by programs like:
autoconf,
automake &
libtool.
Source:
amigaworld.net