[cfe-users] clang sparc: generated .o file incompatible with elf64-x86-64

[Joel Sherrill via cfe-users]

On Mon, May 4, 2020, 7:16 AM suyash singh <suyashsingh234 at gmail.com> wrote:

> I am trying to cross compile with clang and run Undefined Behavior
> Sanitizer for .c file
>
> *Command I am running*
>
> clang -target sparc -integrated-as -fuse-ld=lld -fsanitize=undefined test1.c
>
> clang is the cross compiler
>
> sparc is the target architecture.
>
> -integrated-as to use the llvm assembler
>
> -fuse-ld=lld to use lld linker
>
> -fsanitize=undefined to run UBSan
>
> *Error*
>
> ld.lld: error: /tmp/test1-43c7c0.o is incompatible with elf64-x86-64
>
> collect2: error: ld returned 1 exit status
>
> clang-11: error: linker (via gcc) command failed with exit code 1 (use -v
> to see invocation)
>
> *My system*
>
> Ubuntu 18.04
>
> x86_64
>
> command executed on ubuntu terminal
>
> without -target sparc on a file.c which does not contain sparc assembly
> the clang works fine
>

This is the same problem you had with as. You need to properly specify the
target and have the target as and ld in your PATH.

--joel

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