From: Sascha Hauer <s.hauer@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] kbuild: add dtbs target for building all dtbs of an ARCH
Date: Sun, 5 Jul 2020 19:35:14 +0200 [thread overview]
Message-ID: <20200705173513.GX15485@pengutronix.de> (raw)
In-Reply-To: <20200702085934.5827-1-a.fatoum@pengutronix.de>
On Thu, Jul 02, 2020 at 10:59:34AM +0200, Ahmad Fatoum wrote:
> As described in the documentation, upstream device trees extended by
> barebox should take care to cause compile errors, not runtime errors,
> when the paths they extend disappear. This way, breakage can be easily
> detected when synchronizing the dts/ directory and fixed right then.
>
> Make this process easier by providing a dtbs target that builds all
> device trees in arch/$(SRCARCH)/dts/ if available.
>
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> ---
> Makefile | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index 0da032532712..9fa741966c00 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -990,6 +990,20 @@ include/generated/version.h: FORCE
> include/generated/utsrelease.h: include/config/kernel.release FORCE
> $(call filechk,utsrelease.h)
>
> +# ---------------------------------------------------------------------------
> +# Devicetree files
> +
> +ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/dts/),)
> +dtstree := arch/$(SRCARCH)/dts
> +endif
> +
> +ifneq ($(dtstree),)
> +
> +PHONY += dtbs
> +dtbs: $(patsubst $(srctree)/%.dts,$(objtree)/%.dtb,$(wildcard $(srctree)/$(dtstree)/*.dts))
> +
> +endif
Can we do this in a way that only rebuilds the changed files and not
every dts again?
Sascha
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next prev parent reply other threads:[~2020-07-05 17:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-02 8:59 Ahmad Fatoum
2020-07-05 17:35 ` Sascha Hauer [this message]
2020-07-05 22:31 ` Ahmad Fatoum
2020-07-09 14:17 ` Sascha Hauer
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