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Re: CVS commit: src/sys/arch
On Thu, 27 May 2010, David A. Holland wrote:
> Log Message:
> Introduce .WAIT into the cleandir rule for blasting the libsa/libkern/etc.
> trees, because it can race with the libsa/libkern/etc. makefiles' own
> cleandir rules. I think I've found all of the uses of the offending idiom...
> Closes PR 43360.
> -cleandir distclean: cleanlibdir
> +cleandir distclean: .WAIT cleanlibdir
> -rm -rf lib
I would have expected .WAIT to be a no-op in this context. How does
"do nothing, wait until you have finished doing nothing, then make
cleanlibdir" differ from "make cleanlibdir" ?
I suppose you wouldn't have made this change if it did not make a
difference, but what I'd like to know is, why does it make a difference?
--apb (Alan Barrett)
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