git: cf97d2a1dab8 - main - Build lib/msun tests with compiler builtins disabled

[Mateusz Guzik]

You can crossbuild with TARGET_ARCH=riscv64sf

On 3/1/21, Dimitry Andric <dim at freebsd.org> wrote:
> On 1 Mar 2021, at 08:34, Mateusz Guzik <mjguzik at gmail.com> wrote:
>>
>> This breaks riscv:
>>
>> ld: error: undefined symbol: fabs
>>>>> referenced by t_acos.c:93
>>>>> (/usr/src/contrib/netbsd-tests/lib/libm/t_acos.c:93)
>>>>>                                   >>>
>>>>> t_acos.o:(atfu_acos_is_plus_zero_body)
>>>>> referenced by t_acos.c:94
>>>>> (/usr/src/contrib/netbsd-tests/lib/libm/t_acos.c:94)
>>>>>                                   >>>
>>>>> t_acos.o:(atfu_acos_is_plus_zero_body)
>>>>> did you mean: cabs
>>>>>                                                             >>> defined
>>>>> in: /usr/obj/usr/src/riscv.riscv64sf/tmp/usr/lib/libm.so
>>
>>
>> On 2/23/21, Dimitry Andric <dim at freebsd.org> wrote:
>>> The branch main has been updated by dim:
>>>
>>> URL:
>>> https://cgit.FreeBSD.org/src/commit/?id=cf97d2a1dab8f2cddc4466fe64d37818339c73be
>>>
>>> commit cf97d2a1dab8f2cddc4466fe64d37818339c73be
>>> Author:     Dimitry Andric <dim at FreeBSD.org>
>>> AuthorDate: 2021-02-23 20:03:32 +0000
>>> Commit:     Dimitry Andric <dim at FreeBSD.org>
>>> CommitDate: 2021-02-23 20:10:01 +0000
>>>
>>>    Build lib/msun tests with compiler builtins disabled
>
> Hm, there isn't any reference machine for riscv, so any ideas on how to
> figure out whether fabs() is being built or not being built for riscv?
> I don't see anything in lib/msun/Makefile that would exclude it.
>
> -Dimitry
>
>


-- 
Mateusz Guzik <mjguzik gmail.com>