> foo.ps: foo.ms
> groff -ms foo.ms > foo.ps
>
> will always generate foo.ps, even when there are fatal errors.
> On the other hand,
>
> foo.ps: foo.ms
> groff -ms foo.ms > foo.ps || $(RM) foo.ps
>
> will not leave a bad foo.ps around, but it will not abort the
> make session either, since either groff or $(RM) will always
> return success.
>
> I'm sure someone here has found the neatest possible way of
> addressing this.
What about...
foo.ps: foo.ms
groff -ms foo.ms > foo.ps || ($(RM) foo.ps; exit 1)
HTH.
Keith.
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