[gomp4 7/8] libgomp: work around missing pthread_attr_t on nvptx

[Jakub Jelinek]

On Wed, Sep 23, 2015 at 08:22:21PM +0300, Alexander Monakov wrote:
> Although newlib headers define most pthreads types, pthread_attr_t is not
> available.  Macro-replace it by 'void' to keep the prototype of
> gomp_init_thread_affinity unchanged, and do not declare gomp_thread_attr.
> 
> 	* libgomp.h: Define pthread_attr_t to void on NVPTX.
> ---
>  libgomp/libgomp.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/libgomp/libgomp.h b/libgomp/libgomp.h
> index d51b08b..f4255b4 100644
> --- a/libgomp/libgomp.h
> +++ b/libgomp/libgomp.h
> @@ -510,8 +510,13 @@ static inline struct gomp_task_icv *gomp_icv (bool write)
>      return &gomp_global_icv;
>  }
>  
> +#ifdef __nvptx__
> +/* pthread_attr_t is not provided by newlib on NVPTX.  */
> +#define pthread_attr_t void
> +#else
>  /* The attributes to be used during thread creation.  */
>  extern pthread_attr_t gomp_thread_attr;
> +#endif
>  
>  /* Function prototypes.  */
>  

I'd prefer here the https://gcc.gnu.org/ml/gcc-patches/2015-04/msg01418.html
changes to libgomp.h and associated configury changes.

	Jakub