Re: [Xen-devel] [PATCH 03/13] Config.mk: add new macro buildmakevars2header

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Mon, 2014-07-28 at 11:05 +0200, Olaf Hering wrote:
> This macro is similar to buildmakevars2file, it just creates a C header
> file instead of shell style syntax. Upcoming changes will use this macro
> in libxl and libxc.
> 
> Note: if target ($(1)) is marked as .PHONY everything that depends on
> target will be constantly rebuild. The reason for that seems to be that
> make will internally drop target. As a result target is non-existant,

"existent"

> which triggers a rebuild. With the intermediate target.tmp this will not
> happen because target changes only if target.tmp really changes.

Similar to the previous patch do you really need $(1).tmp as a target as
well as a (non-.PHONY) $(1) target?

Ian.


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