linux-kernel - Re: [PATCH 1/2] kbuild: userprogs: fix bitsize and target detection on clang

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Message-ID: <CAK7LNAQPO82Qp_161yGgsRL4hA1XdeoCX6ZgLutmivKorUuLxw@mail.gmail.com>
Date: Sun, 16 Feb 2025 03:10:34 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Cc: Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>, 
	Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, 
	Justin Stitt <justinstitt@...gle.com>, Sam Ravnborg <sam@...nborg.org>, linux-kbuild@...r.kernel.org, 
	linux-kernel@...r.kernel.org, llvm@...ts.linux.dev, stable@...r.kernel.org
Subject: Re: [PATCH 1/2] kbuild: userprogs: fix bitsize and target detection
 on clang

On Thu, Feb 13, 2025 at 11:55 PM Thomas Weißschuh
<thomas.weissschuh@...utronix.de> wrote:
>
> scripts/Makefile.clang was changed in the linked commit to move --target from
> KBUILD_CFLAGS to KBUILD_CPPFLAGS, as that generally has a broader scope.
> However that variable is not inspected by the userprogs logic,
> breaking cross compilation on clang.
>
> Use both variables to detect bitsize and target arguments for userprogs.
>
> Fixes: feb843a469fb ("kbuild: add $(CLANG_FLAGS) to KBUILD_CPPFLAGS")
> Cc: stable@...r.kernel.org
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
> ---

Applied to linux-kbuild/fixes.
Thanks!




-- 
Best Regards
Masahiro Yamada