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Re: [Xen-devel] [PATCH] - use -p with INSTALL to reduce rebuilds

  • To: Ben Thomas <bthomas@xxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Tue, 06 Mar 2007 19:19:28 +0000
  • Delivery-date: Tue, 06 Mar 2007 11:18:06 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdgJFvimlARIMwXEdu2EgAWy6hiGQ==
  • Thread-topic: [Xen-devel] [PATCH] - use -p with INSTALL to reduce rebuilds

On 6/3/07 18:38, "Ben Thomas" <bthomas@xxxxxxxxxxxxxxx> wrote:

> - finally, modify the specific $(INSTALL) definitions to use -p.
>   This modification preserves dates. It has been observed that a number
>   of unnecessary rebuilds take place due to install modifying the
>   destination date. Preserving the source date information (-p) prevents
>   these rebuilds.

If we have build rules depending on the install target, rather than source,
that should probably be fixed in preference.

 -- Keir

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