m4(1) on FreeBSD
The text ddb41301fd21, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE shipped it.
macro language processor
Flags it lists
-
-D -
-U
The text ddb41301fd21, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE shipped it.
macro language processor
-D
-U