Re: ld.lld: error: undefined symbol: __udivdi3

From: Miquel Raynal
Date: Thu Dec 01 2022 - 03:16:20 EST


Hi Mikhail, Hiroshi,

lkp@xxxxxxxxx wrote on Thu, 1 Dec 2022 01:46:36 +0800:

> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 01f856ae6d0ca5ad0505b79bf2d22d7ca439b2a1
> commit: 9b78ef0c7997052e9eaa0f7a4513d546fa17358c mtd: parsers: add support for Sercomm partitions
> date: 6 months ago
> config: mips-randconfig-r033-20221128
> compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 6e4cea55f0d1104408b26ac574566a0e4de48036)
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # install mips cross compiling tool for clang build
> # apt-get install binutils-mipsel-linux-gnu
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9b78ef0c7997052e9eaa0f7a4513d546fa17358c
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout 9b78ef0c7997052e9eaa0f7a4513d546fa17358c
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
> >> ld.lld: error: undefined symbol: __udivdi3
> >>> referenced by scpart.c
> >>> mtd/parsers/scpart.o:(scpart_parse) in archive drivers/built-in.a
>

Can you please try to reproduce this with a mips toolchain as advised
and send a fix?

Thanks,
Miquèl