Re: [Xen-devel] [PATCH 02/13] Config.mk: replace dependency to genpath with actual target

[Olaf Hering <olaf@xxxxxxxxx>]

On Thu, Aug 28, Ian Campbell wrote:

> It seems that the bug here is that _paths.h is .PHONY then. Without that
> the use of move-if-changed would prevent the output file changing
> unnecessarily and make would not bother to rebuild the dependents.

It has to be checked every time to catch possible changes in the
variables. How would that be checked without a .PHONY target, $(1) in
this case?

Olaf

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