[Intel-gfx] xf86-video-intel (git-13461a1): BROKEN with clang-3.2 due to __cpuid() not available?

[Sedat Dilek]

On Tue, Feb 26, 2013 at 2:33 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Tue, Feb 26, 2013 at 02:20:26PM +0100, Sedat Dilek wrote:
>> On Tue, Feb 26, 2013 at 1:58 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>> > On Tue, Feb 26, 2013 at 01:35:51PM +0100, Sedat Dilek wrote:
>> >> With xf86-video-intel-git13461a1 [1] I see this:
>> >>
>> >> [ build-log ]
>> >> ...
>> >>   CC     sna_cpu.lo
>> >> 8 warnings generated.
>> >>   CC     sna_damage.lo
>> >>   CC     sna_display.lo
>> >> sna_cpu.c:47:2: error: implicit declaration of function '__cpuid' is
>> >> invalid in C99 [-Werror,-Wimplicit-function-declaration]
>> >>         __cpuid(1, eax, ebx, ecx, edx);
>> >>         ^
>> > [snip]
>> >
>> >> So, clang should be treated differently?
>> >
>> > It doesn't use cpuid.h unless the compiler claims to be gcc >= 4. It
>> > would appear once again that clang is broken.
>>
>> Can you explain why clang is BROKEN in your eyes?
>
> Because it claims to be gcc 4, yet fails to provide a function/macro
> provided by gcc 4.

Even clang latest-git has same file [1].
Any workaround you can imagine?

- Sedat -

[1] https://github.com/llvm-mirror/clang/blob/master/lib/Headers/cpuid.h

> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre