I don't use ctwm myself.

But I see that it uses m4.

And it has a MESSAGE.SunOS.

Maybe your package should get rid of the MESSAGE.SunOS.

And use:

USE_TOOLS+=	gm4:run
-or-
USE_TOOLS+=	m4:run

I don't know for sure, but if m4 is required, then maybe it should be a 
run-time dependency if the system does not provide it.

On Solaris, this defaults to:
TOOLS_PLATFORM.m4?=               /usr/ccs/bin/m4

You could use:
TOOLS_PATH.gm4
or
TOOLS_PATH.m4

for the parse.c code that runs m4. Maybe have some CPP macro:
CPP+=	M4=${TOOLS_PATH.m4}

and update patch-ac to use M4?


  Jeremy C. Reed

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