linux-kernel - Re: [PATCH] kbuild: Use $(obj)/%.cc to fix host C++ module builds

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Message-ID: <4576559.LvFx2qVVIh@devpool47.emlix.com>
Date: Mon, 24 Jun 2024 13:14:58 +0200
From: Rolf Eike Beer <eb@...ix.com>
To: Masahiro Yamada <masahiroy@...nel.org>,
 Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>,
 Nicolas Schier <n.schier@....de>
Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: Use $(obj)/%.cc to fix host C++ module builds

On Montag, 24. Juni 2024 13:12:14 MESZ Nicolas Schier wrote:
> Use $(obj)/ instead of $(src)/ prefix when building C++ modules for
> host, as explained in commit b1992c3772e6 ("kbuild: use $(src) instead
> of $(srctree)/$(src) for source directory").  This fixes build failures
> of 'xconfig':
> 
>     $ make O=build/ xconfig
>     make[1]: Entering directory '/data/linux/kbuild-review/build'
>       GEN     Makefile
>     make[3]: *** No rule to make target '../scripts/kconfig/qconf-moc.cc',
> needed by 'scripts/kconfig/qconf-moc.o'.  Stop.
> 
> Fixes: b1992c3772e6 ("kbuild: use $(src) instead of $(srctree)/$(src) for
> source directory")
> Reported-by: Rolf Eike Beer <eb@...ix.com>
> Signed-off-by: Nicolas Schier <n.schier@....de>

Thanks, works for me.

Tested-by: Rolf Eike Beer <eb@...ix.com>

-- 
Rolf Eike Beer

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