[PATCH] include: Check whether the ms_abi attribute is supported on aarch64

[Jacek Caban]

On 21.12.2020 06:26, Chip Davis wrote:
> December 20, 2020 4:39 PM, "Martin Storsjo" <martin at martin.st> wrote:
>
>> diff --git a/include/msvcrt/corecrt.h b/include/msvcrt/corecrt.h
>> index 4d11f68be0d..a66f43877ac 100644
>> --- a/include/msvcrt/corecrt.h
>> +++ b/include/msvcrt/corecrt.h
>> @@ -81,7 +81,7 @@
>>   #  endif
>>   # elif defined(__arm__) && defined (__GNUC__) && !defined(__SOFTFP__)
>>   #   define __stdcall __attribute__((pcs("aapcs-vfp")))
>> -# elif defined(__aarch64__) && defined (__GNUC__)
>> +# elif defined(__aarch64__) && defined (__GNUC__) && __has_attribute(ms_abi)
> Are you sure that every version of GCC that supports __attribute__((ms_abi)) on AArch64 also supports __has_attribute()?


No GCC version currently supports ms_abi on aarch64, while recent GCC 
supports __has_attribute, so it should be fine.


Jacek