m4port (Build 71)
M4 is an implementation of the traditional Unix macro processor.
Command to download and install on z/OS:
pax -rf <(curl -o - -L https://github.com/ZOSOpenTools/m4port/releases/download/m4port_71/m4-1.4.19.20220814_222328.zos.pax.Z) && cd m4-1.4.19.20220814_222328.zos && . .env