>> > OPTS_WITH_ARG=`echo $OPTS \ >> > | sed "s/[$OPTS_NO_ARG:]//g"` >> > > There is no reason to get the `groff' options in the > configuration. So I used again > `<groff_top>/src/roff/groff/Makefile.sub'.
[I've sent you a separate mail why `:=' and `$(shell ...)' should be avoided in groff Makefiles.] > Moreover I could not use `` in GNU make. But > $(shell ...) cou;d be used instead. Backticks do work in Makefiles. What's the problem? Werner