[PATCH] For Adding clang check

[Florian Weimer]

* Kamlesh Kumar:

> ChangeLog :
>
> 2019-11-28  Kamlesh Kumar  <kamleshbhalui@gmail.com>
>
>        * string/string.h (__glibc_clang_prereq): Used.
> ---
>  string/string.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/string/string.h b/string/string.h
> index 73c22a535a..06a8977165 100644
> --- a/string/string.h
> +++ b/string/string.h
> @@ -33,7 +33,7 @@ __BEGIN_DECLS
>  #include <stddef.h>
>  
>  /* Tell the caller that we provide correct C++ prototypes.  */
> -#if defined __cplusplus && __GNUC_PREREQ (4, 4)
> +#if defined __cplusplus && (__GNUC_PREREQ (4, 4) || __glibc_clang_prereq(3,5))
>  # define __CORRECT_ISO_CPP_STRING_H_PROTO
>  #endif

Sorry, what's the purpose of this change?  Thanks.

If it fixes a user-visible problem, it should reference a bug in
Bugzilla.