Re: Weirdness with clang and stdatomic.h on Rawhide

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Oh, I forgot I could test for Clang too…I tried that fix and it works for me. :)

On 4 Feb 2022, at 13:35, Jonathan Wakely wrote:

> On Thu, 3 Feb 2022 at 20:27, Ron Olson <tachoknight@xxxxxxxxx> wrote:
>>
>> Here’s a question: what if the following was added to stdatomic.h at the end of the file:
>>
>> #else
>> #include_next <stdatomic.h>
>> #endif // C++23
>>
>> Since the rest of the file is gated by C++23, this allows C++ programs that reference this header to have a chance to pick up the Clang one, if it exists. If Clang isn’t installed, it doesn’t matter insofar as the C++ program is going to fail anyway because it hasn’t explicitly set -std=c++2b.
>
> That will fail miserably with GCC, because the C library's
> <stdatomic.h> cannot be included in C++ (because it uses C features
> that are not valid in C++).
>
> But I'll test:
>
> #elif defined __clang__
> #include_next <stdatomic.h>
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