[Linux-v4.18-rc6] modpost-errors when compiling with clang-7 and CONFIG_DRM_AMDGPU=m

[Sedat Dilek]

On Sun, Jul 29, 2018 at 4:39 PM, Christian König
<christian.koenig at amd.com> wrote:
>> Do you need further informations?
>
> No, that is a known issue.
>

Hi Christian,

OK, thanks for the confirmation.

Do you have a discussion thread or a (pending) fix where you can point me?

Thanks.

Regards,
- sed@ -


> Regards,
> Christian.
>
>
> Am 29.07.2018 um 15:52 schrieb Sedat Dilek:
>>
>> Hi,
>>
>> when compiling with clang-7 and CONFIG_DRM_AMDGPU=m I see the following...
>>
>>    if [ "" = "-pg" ]; then if [ arch/x86/boot/compressed/misc.o !=
>> "scripts/mod/empty.o" ]; then ./scripts/recordmcount
>> "arch/x86/boot/compressed/misc.o"; fi; fi;
>> ERROR: "__addsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__subdf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__gedf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__fixunssfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__floatunsisf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__unordsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__gesf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__mulsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__truncdfsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__ltsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__muldf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__divdf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__eqsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__floatsisf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__ledf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__gtsf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__fixdfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__floatunsidf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__nesf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__adddf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__extendsfdf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__fixunsdfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__lesf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__ltdf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__floatsidf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__subsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__gtdf2" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__fixsfsi" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__divsf3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: "__floatdidf" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> make[4]: *** [scripts/Makefile.modpost:92: __modpost] Error 1
>> make[3]: *** [Makefile:1208: modules] Error 2
>> make[3]: *** Waiting for unfinished jobs....
>>
>> For now I have disabled CONFIG_DRM_AMDGPU=n.
>>
>> Do you need further informations?
>>
>> Kind regards,
>> - Sedat -
>
>