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From: Rob Herring <robh@kernel.org>
To: Yann Sionneau <ysionneau@kalray.eu>
Cc: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH 1/1] Use target CPP to pre-process dts as supported flag checks are done on target toolchain
Date: Tue, 21 Dec 2021 19:30:06 -0400	[thread overview]
Message-ID: <CAL_JsqJPxPR5QGKDy8CVrph8ScfNJ0Bu29XmrEGxN1d9Zf6WbQ@mail.gmail.com> (raw)
In-Reply-To: <20211220162925.14441-2-ysionneau@kalray.eu>

On Mon, Dec 20, 2021 at 12:29 PM Yann Sionneau <ysionneau@kalray.eu> wrote:
>
> If some flag is not supported by host toolchain but is supported by target toolchain, then
> using host toolchain will fail here because the checks are only done on target toolchain.
>
> Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
> ---
>  scripts/Makefile.lib | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index 94133708889d..1d11b7a23957 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -316,7 +316,7 @@ $(obj)/%.dtb.S: $(obj)/%.dtb FORCE
>         $(call if_changed,dt_S_dtb)
>
>  quiet_cmd_dtc = DTC     $@
> -cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
> +cmd_dtc = $(CC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \

The host toolchain is used so that we don't have to have cross
compiler for every last arch.

Rob

  parent reply	other threads:[~2021-12-21 23:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-20 16:29 [PATCH 0/1] Use target CPP to pre-process dts as supported flag checks are done on target toolchain Yann Sionneau
2021-12-20 16:29 ` [PATCH 1/1] " Yann Sionneau
2021-12-21 23:10   ` Masahiro Yamada
2021-12-21 23:30   ` Rob Herring [this message]
2021-12-21 23:08 ` [PATCH 0/1] " Masahiro Yamada

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