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* [chao-linux:dev 6/6] ld.lld: error: undefined symbol: LZ4_compress_HC
@ 2020-12-01  1:03 kernel test robot
  2020-12-01  1:43 ` Chao Yu
  0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2020-12-01  1:03 UTC (permalink / raw)
  To: kbuild-all

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git dev
head:   d379148c04b729eda4ce567f9115b2af5962a9bd
commit: d379148c04b729eda4ce567f9115b2af5962a9bd [6/6] f2fs: compress: support lz4hc compression
config: riscv-randconfig-r004-20201130 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project dfcf1acf13226be0f599a7ab6b395b66dc9545d6)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?id=d379148c04b729eda4ce567f9115b2af5962a9bd
        git remote add chao-linux https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git
        git fetch --no-tags chao-linux dev
        git checkout d379148c04b729eda4ce567f9115b2af5962a9bd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   ld.lld: error: arch/riscv/kernel/head.o:(.head.text+0x8): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x19AC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x19C6): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1A60): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1CA6): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1DE0): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1E56): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1EA2): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1EDC): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1F66): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1F94): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x1FB2): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.text+0x2036): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.init.text+0xD8): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
   ld.lld: error: debug_core.c:(.init.text+0x176): relocation R_RISCV_ALIGN requires unimplemented linker relaxation; recompile with -mno-relax
>> ld.lld: error: undefined symbol: LZ4_compress_HC
   >>> referenced by compress.c
   >>>               f2fs/compress.o:(lz4_compress_pages) in archive fs/built-in.a

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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2020-12-01  1:03 [chao-linux:dev 6/6] ld.lld: error: undefined symbol: LZ4_compress_HC kernel test robot
2020-12-01  1:43 ` Chao Yu

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