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

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[ CC Nick D. ]

Hi Christian,

Nick has posted a fix in [2].
Is that OK for you?

I have also added the Link [1] in the ClangBuiltLinux issue tracker.

Regards,
- Sedat -

[1] https://github.com/ClangBuiltLinux/linux/issues/327
[2] https://lkml.org/lkml/2019/1/24/1376

On Mon, Oct 22, 2018 at 10:42 AM Koenig, Christian
<Christian.Koenig@xxxxxxx> wrote:
>
> Am 22.10.18 um 10:40 schrieb Sedat Dilek:
> > [SNIP]
> >>> 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?
> >>>>
> > Hi,
> >
> > any news on this issue?
>
> Unfortunately not as far as I know. Harray any time line when we could
> fix that?
>
> Thanks,
> Christian.
>
> > With Linux v4.19 final I am still building with CONFIG_DRM_AMDGPU=n.
> > Thanks in advance.
> >
> > Regards,
> > - Sedat -
>
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