linux-kernel - Re: [PATCH] kbuild: Fix computing srcversion for modules

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Message-ID: <AANLkTik2WLrt4D5cKMmnbRMCB63TJrjvRdtkSJ=6mLf+@mail.gmail.com>
Date:	Tue, 15 Mar 2011 08:26:05 +0300
From:	Alexander Beregalov <a.beregalov@...il.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Henrik Rydberg <rydberg@...omail.se>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH] kbuild: Fix computing srcversion for modules

On 15 March 2011 08:04, Alexander Beregalov <a.beregalov@...il.com> wrote:
> On 12 March 2011 02:06, Henrik Rydberg <rydberg@...omail.se> wrote:
>> On Fri, Mar 11, 2011 at 10:34:47PM +0100, Michal Marek wrote:
>>> Recent change to fixdep:
>>>
>>>     commit b7bd182176960fdd139486cadb9962b39f8a2b50
>>>     Author: Michal Marek <mmarek@...e.cz>
>>>     Date:   Thu Feb 17 15:13:54 2011 +0100
>>>
>>>     fixdep: Do not record dependency on the source file itself
>>>
>>> changed the format of the *.cmd files without realizing that it is also
>>> used by modpost. Put the path to the source file to the file back, in a
>>> special variable, so that modpost sees all source files when calculating
>>> srcversion for modules.
>>>
>
> Hi Michal,
>
> There is something wrong with the patch,
> I can't compile 2.6.38 neither linux-next on sparc64:
>
> $ make CROSS_COMPILE=sparc64-unknown-linux-gnu-
>  CHK     include/linux/version.h
>  CHK     include/generated/utsrelease.h
>  UPD     include/generated/utsrelease.h
>  CC      kernel/bounds.s
>  GEN     include/generated/bounds.h
>  CC      arch/sparc/kernel/asm-offsets.s
>  GEN     include/generated/asm-offsets.h
>  CALL    scripts/checksyscalls.sh
>  CC      scripts/mod/empty.o
>  MKELF   scripts/mod/elfconfig.h
>  HOSTCC  scripts/mod/file2alias.o
>  HOSTCC  scripts/mod/modpost.o
>  HOSTCC  scripts/mod/sumversion.o
>  HOSTLD  scripts/mod/modpost
> /usr/lib/gcc/sparc-unknown-linux-gnu/4.5.2/../../../../sparc-unknown-linux-gnu/bin/ld:
> scripts/mod/sumversion.o: Relocations in generic ELF (EM: 3)
> scripts/mod/sumversion.o: could not read symbols: File in wrong format
> collect2: ld returned 1 exit status
>
> $ file scripts/mod/sumversion.o
> scripts/mod/sumversion.o: ELF 32-bit LSB relocatable, Intel 80386,
> version 1 (SYSV), not stripped
>
> Why 386?
>
> gcc both sparc and sparc64 are 4.5.2, ld/binutils is 2.21
>

Sorry for the noise, it's my fault.

I use distcc for distributing sparc64-unknown-linux-gnu-gcc calls to x86 host.
I should not distribute plain 'gcc' calls.
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