Latest Git kernel doesn't compile because of the LINUX_VERSION_CODE issue

Christian Zigotzky chzigotzky at xenosoft.de
Sat Feb 27 18:13:33 AEDT 2021


Hello Christophe,

Thanks a lot for compiling the latest git kernel.

I have solved the compiling issue through setting up a value for the 
SUBLEVEL variable in "a/Makefile". Before it wasn't necessary to set up 
a value for the SUBLEVEL variable.

Cheers,
Christian

On 26 February 21 at 5:10 pm, Christophe Leroy wrote:
>
>
> Le 26/02/2021 à 13:34, Christian Zigotzky a écrit :
>> Hello,
>>
>> I tried to compile the latest Git kernel today. Unfortunately it 
>> doesn't compile.
>
> I have no such problem with latest git kernel.
>
> Christophe
>
>>
>> Error messages:
>>
>>    CC      arch/powerpc/kernel/udbg_16550.o
>> In file included from ./include/linux/stackprotector.h:10:0,
>>                   from arch/powerpc/kernel/smp.c:35:
>> ./arch/powerpc/include/asm/stackprotector.h: In function 
>> ‘boot_init_stack_canary’:
>> ./arch/powerpc/include/asm/stackprotector.h:29:30: error: expected 
>> expression before ‘;’ token
>>    canary ^= LINUX_VERSION_CODE;
>>                                ^
>> scripts/Makefile.build:271: recipe for target 
>> 'arch/powerpc/kernel/smp.o' failed
>> make[2]: *** [arch/powerpc/kernel/smp.o] Error 1
>>
>> ----
>>
>> drivers/media/cec/core/cec-api.c: In function ‘cec_adap_g_caps’:
>> drivers/media/cec/core/cec-api.c:85:35: error: expected expression 
>> before ‘;’ token
>>    caps.version = LINUX_VERSION_CODE;
>>
>> ----
>>
>> I have found the bad commit. It's "Merge tag 'kbuild-v5.12' of 
>> git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild" 
>> [1]
>>
>> The changes in the Makefile (a/Makefile) are responsible for the 
>> compiling errors. [2]
>>
>> I was able to revert this bad commit. After that it compiled without 
>> any problems.
>>
>> Could you please compile the latest Git kernel and confirm this issue?
>>
>> Thanks,
>> Christian
>>
>> [1] 
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6fbd6cf85a3be127454a1ad58525a3adcf8612ab 
>>
>> [2] 
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/Makefile?id=6fbd6cf85a3be127454a1ad58525a3adcf8612ab 
>>



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