linux-kernel - Re: [PATCH 1/1] deb-pkg: fix cross-compile build

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Date:	Thu, 12 May 2011 12:45:24 -0700
From:	Nuno Subtil <subtil@...il.com>
To:	Robert Gordon <robert@...enroomsoftware.com>
Cc:	maximilian attems <max@...o.at>, Michal Marek <mmarek@...e.cz>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] deb-pkg: fix cross-compile build

> The debian/control file for an unpatched scripts/package/builddeb would
> assign 'i386' instead of 'amd64'.

That seems wrong to me. Were the resulting packages actually usable on amd64?

On Thu, May 12, 2011 at 07:01, Robert Gordon
<robert@...enroomsoftware.com> wrote:
> On 05/10/2011 05:41 AM, maximilian attems wrote:
>> On Mon, May 09, 2011 at 10:29:22PM -0700, Nuno Subtil wrote:
>>> It looks like your patch duplicates the arch detection logic that's
>>> already in create_package, except not completely. I think this is not
>>> desirable.
>>>
>>> I modified your patch to isolate this logic into a separate function
>>> and respect the KBUILD_DEBARCH override (which mostly means I moved
>>> the original logic into a separate function). This should make your
>>> case work as well, besides respecting the KBUILD_DEBARCH override.
>>>
>>> Maks, Michal, can you please take a look at this new patch?
>> thanks doing right now.
>>
>> Michal please hold off until I have time to give it some runs.
>>
> I have tested this patch.  It builds fine for arm with the following
> command:
> fakeroot make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- deb-pkg
>
> However x86_64 fails (when using an i386 machine).
> fakeroot make ARCH=x86_64 deb-pkg
>
> The error occurs in scripts/package/builddeb
> + forcearch=-DArchitecture=amd64
> + dpkg-gencontrol -isp -DArchitecture=amd64 -plinux-headers-2.6.39-rc7+
> -P/opt/kernel-linus/linux-2.6/debian/hdrtmp
> dpkg-gencontrol: error: current host architecture 'i386' does not appear
> in package's architecture list (amd64)
>
> The debian/control file is as follows:
> cat debian/control
> Source: linux-upstream
> Section: kernel
> Priority: optional
> Maintainer: Anonymous <root@...ert-VGN-Z690Y>
> Standards-Version: 3.8.4
> Homepage: http://www.kernel.org/
>
> Package: linux-image-2.6.39-rc7+
> Provides: linux-image, linux-image-2.6, linux-modules-2.6.39-rc7+
> Suggests: linux-firmware-image
> Architecture: any
> Description: Linux kernel, version 2.6.39-rc7+
>  This package contains the Linux kernel, modules and corresponding other
>  files, version: 2.6.39-rc7+.
>
> Package: linux-headers-2.6.39-rc7+
> Provides: linux-headers, linux-headers-2.6
> Architecture: amd64
> Description: Linux kernel headers for 2.6.39-rc7+ on amd64
>  This package provides kernel header files for 2.6.39-rc7+ on amd64
>  .
>  This is useful for people who need to build external modules
>
>
>
> The debian/control file for an unpatched scripts/package/builddeb would
> assign 'i386' instead of 'amd64'.
>
> Regards,
> Robert
>
>
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