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Message-ID: <cddcae6d-41d2-1b71-4785-b9c454e54c0b@infradead.org>
Date:   Sun, 1 Jan 2023 12:44:30 -0800
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Subject: Re: how to build a single module
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To:     "J. R. Okajima" <hooanon05g@gmail.com>, masahiroy@kernel.org,
        mcgrof@kernel.org
Cc:     linux-kernel@vger.kernel.org
References: <25966.1672603613@jrobl>
From:   Randy Dunlap <rdunlap@infradead.org>
In-Reply-To: <25966.1672603613@jrobl>
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On 1/1/23 12:06, J. R. Okajima wrote:
> Hello,
> 
> In linux-v6.2-rc1, "make brabra/module.ko" to build a single module
> doesn't work. It compiles the C source files and produces .o, but the
> final 'modpost' returns an error.
> 
> $ make fs/aufs/aufs.ko
> 	:::
>   LD [M]  fs/aufs/aufs.o
>   MODPOST Module.symvers
> ERROR: modpost: fs/aufs/aufs.ko: filename must be suffixed with .o
> make[2]: *** [/proj/aufs/aufs6-linux.git/scripts/Makefile.modpost:137: Module.symvers] Error 1
> make[1]: *** [/proj/aufs/aufs6-linux.git/Makefile:1996: single_modules] Error 2
> make: *** [/proj/aufs/aufs6-linux.git/Makefile:373: __build_one_by_one] Error 2
> Command exited with non-zero status 2
> 
> 
> Is it related to this commit?
> 	f65a486821cf 2022-12-14 kbuild: change module.order to list *.o instead of *.ko

Hi,
Please see
  https://lore.kernel.org/linux-kbuild/CA+icZUW9MewkPJKwd4gA+pKADypseiCT0uYyVvFDTura7CzHog@mail.gmail.com/T/#t

Does that fix the problem?

-- 
~Randy