[PATCH] Remove spurious references to _dl_open_hook

[Adhemerval Zanella Netto]

On 01/08/22 06:14, Florian Weimer via Libc-alpha wrote:
> _dl_open_hook was removed in commit 466c1ea15f461edb8e3ffaf5d86d708
> ("dlfcn: Rework static dlopen hooks").
> 


LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

> ---
>  libio/vtables.c | 4 ----
>  malloc/arena.c  | 5 -----
>  2 files changed, 9 deletions(-)
> 
> diff --git a/libio/vtables.c b/libio/vtables.c
> index 499f0039cb..50acab7f21 100644
> --- a/libio/vtables.c
> +++ b/libio/vtables.c
> @@ -25,10 +25,6 @@
>  
>  void (*IO_accept_foreign_vtables) (void) attribute_hidden;
>  
> -/* Used to detected multiple libcs.  */
> -extern struct dl_open_hook *_dl_open_hook;
> -libc_hidden_proto (_dl_open_hook);
> -
>  #else  /* !SHARED */
>  
>  /* Used to check whether static dlopen support is needed.  */
> diff --git a/malloc/arena.c b/malloc/arena.c
> index 0a684a720d..defd25c8a6 100644
> --- a/malloc/arena.c
> +++ b/malloc/arena.c
> @@ -300,11 +300,6 @@ next_env_entry (char ***position)
>  #endif
>  
>  
> -#ifdef SHARED
> -extern struct dl_open_hook *_dl_open_hook;
> -libc_hidden_proto (_dl_open_hook);
> -#endif
> -
>  #if USE_TCACHE
>  static void tcache_key_initialize (void);
>  #endif
>