Zhang Xiao Ping wrote:
> Hi jim,
>
> I have two questions.
>
> 1.
>
> 47 clean:
> 48 -rm -rf $(VER)
>
> These can be found not only in eddie's code but also almost in every
> Makefile.sfw.
>
> Why need '-' before 'rm' and what does it means? I did not seen
> Makefile like this before.
>
> And in my code, i did not use '-', is it right?
>
>
A make will terminate if any command returns a failure status. That's
why you see rules like:
clean:
-rm -rf $(VER)
Make ignores the returned status on command lines that begin with a dash.
-Eddie
