Re: [Libunwind-devel] libunwind build errors on aarch64

[Yichao Yu]

> I try to build LLVM/Clang 3.8.1 on Tegra X1 (aarch64) and libunwind is
> needed. Compilation failed when try to build libunwind with the following
> compilation errors:

I'm 90% sure that's a different libunwind and you might have better
luck asking on llvm-dev.

>
> [ 51%] Building C object
> projects/libunwind/src/CMakeFiles/unwind.dir/UnwindRegistersRestore.S.o
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74:
> warning: invoking macro GLUE2 argument 1: empty macro arguments are
> undefined in ISO C90 and ISO C++98 [enabled by default]
>  DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind15Registers_arm646jumptoEv)
>                                                                           ^
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74:
> warning: invoking macro GLUE2 argument 1: empty macro arguments are
> undefined in ISO C90 and ISO C++98 [enabled by default]
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74:
> warning: invoking macro GLUE2 argument 1: empty macro arguments are
> undefined in ISO C90 and ISO C++98 [enabled by default]
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:270:74:
> warning: invoking macro GLUE2 argument 1: empty macro arguments are
> undefined in ISO C90 and ISO C++98 [enabled by default]
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:
> Assembler messages:
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:285:
> Error: operand 2 should be an integer register -- `ldp x28,fp,[x0,#0x0E0]'
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:286:
> Error: operand 1 should be an integer register -- `ldr lr,[x0,#0x100]'
> /mnt/SD/hipacc/tar_llvm/llvm-3.8.1.src/projects/libunwind/src/UnwindRegistersRestore.S:309:
> Error: operand 1 should be an integer register -- `ret lr'
> projects/libunwind/src/CMakeFiles/unwind.dir/build.make:182: recipe for
> target
> 'projects/libunwind/src/CMakeFiles/unwind.dir/UnwindRegistersRestore.S.o'
> failed
> make[2]: ***
> [projects/libunwind/src/CMakeFiles/unwind.dir/UnwindRegistersRestore.S.o]
> Error 1
> CMakeFiles/Makefile2:12542: recipe for target
> 'projects/libunwind/src/CMakeFiles/unwind.dir/all' failed
> make[1]: *** [projects/libunwind/src/CMakeFiles/unwind.dir/all] Error 2
> Makefile:149: recipe for target 'all' failed
> make: *** [all] Error 2
>
>
> Os: Ubuntu 16.04, gcc/g++ : 4.8
>
> I can't find any information on internet. I hope you can help me with this
> problem.
>
> Thanks.
>
>
>
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