linux-kernel - Re: [PATCH 1/1] kbuild: use $(srctree) to locate config headers from external modules

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Date:	Mon, 04 Aug 2014 16:10:20 +0200
From:	Michal Marek <mmarek@...e.cz>
To:	"Devin J. Pohly" <djpohly@...il.com>
CC:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Devin J. Pohly" <djpohly+linux@...il.com>
Subject: Re: [PATCH 1/1] kbuild: use $(srctree) to locate config headers from
 external modules

On 2014-08-01 21:47, Devin J. Pohly wrote:
> When making modules_install for an out-of-tree module, the current
> directory is $(KBUILD_OUTPUT), and the Makefile recipe which verifies
> the existence of files in include/config is unable to find them using a
> relative path.  This leads to a spurious and puzzling "Kernel
> configuration is invalid" warning when no configuration is actually
> needed.

include/generated is located in $(KBUILD_OUTPUT), which is different
from $(srctree) when using O=. Can you post a sequence of commands that
leads to the error you are seeing?

Thanks,
Michal
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