[edk2-devel] OvmfPkgX64 doesn't build with CLANG38 (clang 14.0.3) NOOPT - undefined reference to `memcpy'

[Ard Biesheuvel]

On Wed, 25 May 2022 at 17:08, Rebecca Cran <quic_rcran at quicinc.com> wrote:
>
> I noticed OvmfPkg/OvmfPkgX64.dsc doesn't build with `-t CLANG38 -b
> NOOPT` (with clang version 14.0.2) with the latest edk2 master
> (07c0c2eb0a5970db614ebce1060fc79d6904bdfd):
>
> make: Nothing to be done for 'tbuild'.
> /usr/bin/ld: /usr/bin/ld: DWARF error: invalid or unhandled FORM value:
> 0x23
> /home/bcran/src/upstream/uefi/edk2/Build/OvmfX64/NOOPT_CLANG38/X64/OvmfPkg/VirtioGpuDxe/VirtioGpu/OUTPUT/VirtioGpuDxe.lib(Gop.obj):
> in function `GopSetMode':
> Gop.c:(.text.GopSetMode+0x418): undefined reference to `memcpy'

Can you dump the object file to see where the memcpy() call is emitted?


> Building ...
> /home/bcran/src/upstream/uefi/edk2/OvmfPkg/PlatformPei/PlatformPei.inf
> [X64]
> clang-14.0: error: linker command failed with exit code 1 (use -v to see
> invocation)
> make: Nothing to be done for 'tbuild'.
> make: *** [GNUmakefile:358:
> /home/bcran/src/upstream/uefi/edk2/Build/OvmfX64/NOOPT_CLANG38/X64/OvmfPkg/VirtioGpuDxe/VirtioGpu/DEBUG/VirtioGpuDxe.dll]
> Error 1
>
>
> build.py...
> : error 7000: Failed to execute command
>         make tbuild
> [/home/bcran/src/upstream/uefi/edk2/Build/OvmfX64/NOOPT_CLANG38/X64/OvmfPkg/VirtioGpuDxe/VirtioGpu]
>
>
> build.py...
> : error F002: Failed to build module
>         /home/bcran/src/upstream/uefi/edk2/OvmfPkg/VirtioGpuDxe/VirtioGpu.inf [X64, CLANG38, NOOPT]
>
> - Failed -
> Build end time: 09:03:38, May.25 2022
> Build total time: 00:00:07
>
>
> --
> Rebecca Cran


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