Porting Makefile from HP-ux to Linux
 

I am porting a Makefile written for HP-UX to Linux. I am getting this error:
Makefile:1235: *** target pattern contains no `%'. Stop.

on a line that says this:

$(FOURGLOBJ): $$(@:.o=.4gl)

I don't know a lot about writing Makefiles. Does anyone know how this line would port to GNU make?

Thanks a million!

--Paul