[LTP] [PATCH] gethostid: skip test if sethostid undefined

[Cyril Hrubis <chrubis@suse.cz>]

Hi!
> This is to avoid compiling error if the sethostid() is not
> implemented, e.g. build with Alpine's musl-libc.
> 
> CI: https://github.com/wangli5665/ltp/runs/3019192920
> 
> Signed-off-by: Li Wang <liwang@redhat.com>
> ---
>  configure.ac                                      | 1 +
>  testcases/kernel/syscalls/gethostid/gethostid01.c | 6 ++++++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/configure.ac b/configure.ac
> index 1a43ebea8..25c421de0 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -128,6 +128,7 @@ AC_CHECK_FUNCS_ONCE([ \
>      renameat2 \
>      sched_getcpu \
>      sendmmsg \
> +    sethostid \
>      setns \
>      sigpending \
>      splice \
> diff --git a/testcases/kernel/syscalls/gethostid/gethostid01.c b/testcases/kernel/syscalls/gethostid/gethostid01.c
> index 802604777..20e4cd307 100644
> --- a/testcases/kernel/syscalls/gethostid/gethostid01.c
> +++ b/testcases/kernel/syscalls/gethostid/gethostid01.c
> @@ -26,6 +26,8 @@
>  
>  #include "tst_test.h"

Shouldn't we include config.h here?

> +#ifdef HAVE_SETHOSTID
> +
>  static long origin;
>  static long tc[] = {0x00000000, 0x0000ffff};
>  
> @@ -64,3 +66,7 @@ static struct tst_test test = {
>  	.needs_root = 1,
>  	.tcnt = ARRAY_SIZE(tc),
>  };
> +
> +#else
> +TST_TEST_TCONF("sethostid is undefined.");
> +#endif

Other than that Reviewed-by: Cyril Hrubis <chrubis@suse.cz>

-- 
Cyril Hrubis
chrubis@suse.cz