[PATCH] linux: Set tst-pidfd-consts unsupported for kernels headers older than 5.10

[Carlos O'Donell]

On 6/2/22 07:52, Adhemerval Zanella via Libc-alpha wrote:
> Instead of fail trying to build the compare source file.

The header appears in 5.9-rc2, but is missing from the final 5.9
release, and is only in the final 5.10. Confirmed.

LGTM.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

> ---
>  sysdeps/unix/sysv/linux/tst-pidfd-consts.py | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/sysdeps/unix/sysv/linux/tst-pidfd-consts.py b/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
> index 75df0ebed5..90cbb9be64 100644
> --- a/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
> +++ b/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
> @@ -34,6 +34,9 @@ def main():
>      args = parser.parse_args()
>  
>      linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc)
> +    # Linux started to provide pidfd.h with 5.10.
> +    if linux_version_headers < (5, 10):
> +        sys.exit (77)
>      linux_version_glibc = (5, 18)
>      sys.exit(glibcextract.compare_macro_consts(
>                  '#include <sys/pidfd.h>\n',


-- 
Cheers,
Carlos.