Re: cross-build aarch64 from macOS not working? Seems to be a result of newer gcc?

[Rob Newberry <robthedude%mac.com@localhost>]

Yes!

Thank you so much.  The symptoms are exactly the same, and the patch does indeed appear to fix the build problem — everything builds now.

Really appreciate you pointing me in this direction!

Rob



> On Oct 14, 2022, at 9:07 AM, Harold Gutch <logix%foobar.franken.de@localhost> wrote:
> 
> Hi,
> 
> On Mon, Oct 10, 2022 at 10:10:19PM -0700, Rob Newberry wrote:
>> Hi.
>> 
>> I’m trying to cross-build NetBSD for aarch64.  It worked in the past (I think around the time 9.0 came out) — I used to do it all the time, but then I got busy with some other stuff and now that I’ve come back, it’s failing.
>> [...]
>> But building “gencondmd” fails because it can’t find some symbols:
>> [...] 
>> Undefined symbols for architecture x86_64:
>>  "_aarch64_isa_flags", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_aarch64_tls_dialect", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_const_int_rtx", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_flag_modulo_sched", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_flag_rounding_math", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_operands", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_optimize", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_ptr_mode", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_reload_completed", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>>  "_reload_in_progress", referenced from:
>>      ___cxx_global_var_init in gencondmd.lo
>> ld: symbol(s) not found for architecture x86_64
> 
> This looks suspiciously similar to what is reported in
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92061 .  Can you test if
> the patch in comment #5 there helps for you?
> 
> 
> thanks,
>  Harold