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

[Christophe Leroy]

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 
>