linux-kernel - Re: [PATCH 1/3] ARM: add KBUILD_ prefix to CFLAGS_MODULE, LDFLAGS

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Message-ID: <20171009150647.GU20805@n2100.armlinux.org.uk>
Date:   Mon, 9 Oct 2017 16:06:47 +0100
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-kbuild@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: add KBUILD_ prefix to CFLAGS_MODULE,
 LDFLAGS_MODULE

On Mon, Oct 09, 2017 at 11:35:13PM +0900, Masahiro Yamada wrote:
> {CFLAGS,LDFLAGS}_MODULE are supposed to be set by users, not by
> in-kernel makefiles.
> 
> Documentation/kbuild/makefiles.txt clearly explains the difference:
> 
>   KBUILD_CFLAGS_MODULE   Options for $(CC) when building modules
> 
>       $(KBUILD_CFLAGS_MODULE) is used to add arch-specific options that
>       are used for $(CC).
>       From commandline CFLAGS_MODULE shall be used (see kbuild.txt).
> 
>   KBUILD_LDFLAGS_MODULE   Options for $(LD) when linking modules
> 
>       $(KBUILD_LDFLAGS_MODULE) is used to add arch-specific options
>       used when linking modules. This is often a linker script.
>       From commandline LDFLAGS_MODULE shall be used (see kbuild.txt).
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Acked-by: Russell King <rmk+kernel@...linux.org.uk>

-- 
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