linux-kernel - Re: modules out of tree issue

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Message-ID: <CAKi4VA++ym4Ry84hRUCf6MpLoxwo59V910Y5DKbWKavW1SS0_g@mail.gmail.com>
Date:	Thu, 16 Apr 2015 08:25:18 -0300
From:	Lucas De Marchi <lucas.de.marchi@...il.com>
To:	Hänel-Baas, Alexander 
	<alexander.haenel-baas@...b-meyer.de>
Cc:	"linux-modules@...r.kernel.org" <linux-modules@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: modules out of tree issue

Hi,

On Thu, Apr 16, 2015 at 6:41 AM, Hänel-Baas, Alexander
<alexander.haenel-baas@...b-meyer.de> wrote:
> Hi,
>
> I cross compile my own kernelmodule out of tree.
> Now I changed the kernel to 3.18.1 and when I compile my own module I get the error:
> -ld: no input files

could you share your makefile? otherwise it's difficult to say what's happening.


> The first call is the ld and not the compiler. This is the problem.
>
> With kernel 3.14 and older always compiled good.
>
> Is there any changes in the kernel makefile to build the kernel out of tree?

Not that I'm aware of.  I compile out-of-tree modules just fine. See
https://git.kernel.org/cgit/utils/kernel/kmod/kmod.git/tree/testsuite/module-playground/Makefile
for an example.


> Any ideas?
>
> I'm not sure is this the right group, sorry.

You probably should CC lkml as well. Doing it now.


-- 
Lucas De Marchi
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