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Subject: Re: out-of-tree build with external module
References: <1447858006.4104.38.camel@alcnetworx.de>
From: Michal Marek <mmarek@suse.cz>
Message-ID: <564DA48F.8040301@suse.cz>
Date: Thu, 19 Nov 2015 11:29:35 +0100
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To: Tino Mettler <tino.mettler@alcnetworx.de>
Cc: linux-kbuild@vger.kernel.org

On 2015-11-18 15:46, Tino Mettler wrote:
> Hi,
> 
> I want to build an external module out-of-tree. I tried this:
> 
> make -C <kernel-source> KBUILD_OUTPUT=<out-of-tree-path> M=<external-module> modules
> 
> However, the result is put to the source path specified by M=, whereas a
> normal kernel build (without M=) but otherwise same parameters puts the
> result to <out-of-tree-path>.

The combination of M= and O= is not supported by kbuild.

Michal