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Date: Sun, 07 Sep 2014 20:43:47 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] Error compiling on P4 machine
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To: "Yogi A. Patel" <yapatel@gatech.edu>, xenomai@xenomai.org

On 09/07/2014 08:29 PM, Gilles Chanteperdrix wrote:
> On 09/07/2014 07:08 PM, Yogi A. Patel wrote:
>> On 09/07/2014 12:59 PM, Gilles Chanteperdrix wrote:
>>> On 09/04/2014 10:10 PM, Gilles Chanteperdrix wrote:
>>>> On 09/04/2014 10:01 PM, Yogi A. Patel wrote:
>>>>> Using
>>>>>
>>>>> Xenomai 2.6.3 and ipipe-core-3.8.13-x86-4.patch
>>>>>
>>>> This combination works for me.
>>>>
>>>> This was a (failed) attempt to make you realize that you should give us
>>>> all the information allowing to reproduce your issue, otherwise there is
>>>> not much we can do. The missing information here is the kernel
>>>> configuration.
>> Lesson learned.
> 
> Next time, please send the .config as an attachment, it makes it easier
> for us to manipulate, and avoid sending it to all the subscribers of the
> list who probably do not care.
> 
> So, I followed the following procedure:
> 
> tar -xf /path/to/linux-3.8.13.tar.xz
> tar -xf /path/to/xenomai-2.6.3.tar.bz2
> cd linux-3.8.13/
> ../xenomai-2.6.3/scripts/prepare-kernel.sh --linux=. --arch=x86
> cp /path/to/your/.config .config
> make ARCH=x86 oldconfig
> 
> At this point oldconfig asks me a question, which makes me doubt that
> the config you sent me was really used to compile a kernel.
> 
> Then I run:
> make -j 12 ARCH=x86
> which ends with an issue in analogy (undefined reference to
> a4l_proc_root), I will have a look into this.

Ok, the cause of this issue with undefined references in analogy is due
to the fact that you compile without support for real-time in user-space.


-- 
                                                                Gilles.