From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
Subject: Re: [RFC PATCH 2/3] ARM: use cmd_dtc_cpp for compilation of
 *.dts-cpp to *.dtb
Date: Thu, 27 Sep 2012 07:47:00 +0200
Message-ID: <20120927054700.GN17667@game.jcrosoft.org>
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To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>, Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
List-Id: devicetree@vger.kernel.org

On 13:06 Tue 25 Sep     , Stephen Warren wrote:
> From: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> 
> This allows DT source files to use the C pre-processor. A new file
> extension is introduced for this purpose, since use of the pre-processor
> must be optional; any property or node name that starts with "#" must be
> escaped to prevent the pre-processor attempting to interpret it as a
> directive. For this reason, skeleton.dtsi-cpp is introduced for *.dts-cpp
> to include.
> 
> Signed-off-by: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
>  arch/arm/boot/Makefile              |    3 +++
>  arch/arm/boot/dts/skeleton.dtsi-cpp |   13 +++++++++++++
>  2 files changed, 16 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/boot/dts/skeleton.dtsi-cpp
> 
> diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
> index 3fdab01..c5d7fca 100644
> --- a/arch/arm/boot/Makefile
> +++ b/arch/arm/boot/Makefile
> @@ -65,6 +65,9 @@ targets += $(dtb-y)
>  $(obj)/%.dtb: $(src)/dts/%.dts FORCE
>  	$(call if_changed_dep,dtc)
>  
> +$(obj)/%.dtb: $(src)/dts/%.dts-cpp FORCE
> +	$(call if_changed_dep,dtc_cpp)
> +
move this to Makefile.build so we wan use it acroos arch

Best Regards,
J.