Pierre,

Pierre Langlois 写道：
> I wonder what's wrong with backtrace_symbols() in guix, I'm not 
> sure how
> to investigate that. For now though, what do you think of using
> libunwind?

OK, but it should only be included on platforms that require it:

  ;; Untested…
  (inputs
   `(…
     ,@(match (%current-system)
         ((or "aarch64-linux" "armhf-linux" …)
          `(("libunwind" ,libunwind)))
         (_ `()))
     …))

Could you test that?

Kind regards,

T G-R