From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>
Cc: linux-kernel@vger.kernel.org, Michal Marek <mmarek@suse.cz>,
Stephen Warren <swarren@nvidia.com>,
Grant Likely <grant.likely@secretlab.ca>,
linux-kbuild@vger.kernel.org
Subject: Re: [PATCH] Kbuild: Avoid DTB rebuilds if source files are untouched
Date: Wed, 3 Apr 2013 12:44:00 +0530 [thread overview]
Message-ID: <515BD6B8.1020607@synopsys.com> (raw)
In-Reply-To: <1364973141-16354-1-git-send-email-vgupta@synopsys.com>
forgot to CC linux-arch
On 04/03/2013 12:42 PM, Vineet Gupta wrote:
> Currently, for every ARC kernel build I see the following:
>
> --------------->8-----------------
> DTB arch/arc/boot/dts/angel4.dtb.S
> AS arch/arc/boot/dts/angel4.dtb.o
> LD arch/arc/boot/dts/built-in.o
> rm arch/arc/boot/dts/angel4.dtb.S <-- forces rebuild next iter
> CHK kernel/config_data.h
> --------------->8-----------------
>
> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
> Cc: Michal Marek <mmarek@suse.cz>
> Cc: Stephen Warren <swarren@nvidia.com>
> Cc: Grant Likely <grant.likely@secretlab.ca>
> Cc: linux-kbuild@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
> scripts/Makefile.lib | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index 07125e6..17f96f4 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -265,6 +265,8 @@ cmd_dt_S_dtb= \
> echo '.balign STRUCT_ALIGNMENT'; \
> ) > $@
>
> +.PRECIOUS: $(obj)/%.dtb.S
> +
> $(obj)/%.dtb.S: $(obj)/%.dtb
> $(call cmd,dt_S_dtb)
>
next parent reply other threads:[~2013-04-03 7:14 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1364973141-16354-1-git-send-email-vgupta@synopsys.com>
2013-04-03 7:14 ` Vineet Gupta [this message]
2013-04-03 7:14 ` [PATCH] Kbuild: Avoid DTB rebuilds if source files are untouched Vineet Gupta
2013-04-03 16:18 ` Stephen Warren
2013-04-04 5:30 ` Vineet Gupta
2013-04-04 5:30 ` Vineet Gupta
2013-04-04 17:36 ` Stephen Warren
2013-04-04 17:36 ` Stephen Warren
2013-04-09 13:37 ` Vineet Gupta
2013-04-09 13:37 ` Vineet Gupta
2013-04-09 14:10 ` Vineet Gupta
2013-04-12 7:40 ` Vineet Gupta
2013-04-12 7:40 ` Vineet Gupta
2013-04-12 21:52 ` Stephen Warren
2013-04-12 21:52 ` Stephen Warren
2013-04-15 13:59 ` Vineet Gupta
2013-04-15 13:59 ` Vineet Gupta
2013-04-15 17:12 ` Stephen Warren
2013-04-16 15:53 ` James Hogan
2013-04-16 15:53 ` James Hogan
2013-04-16 16:02 ` James Hogan
2013-04-16 16:02 ` James Hogan
2013-04-17 4:15 ` Vineet Gupta
2013-04-17 4:15 ` Vineet Gupta
2013-04-17 4:13 ` Vineet Gupta
2013-04-17 9:13 ` James Hogan
2013-04-17 9:13 ` James Hogan
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