Re: [dpdk-dev] [PATCH 1/2] net/octeontx2: check compiler flag before use

[Jerin Jacob <jerinjacobk@gmail.com>]

On Fri, Jan 24, 2020 at 9:10 PM Bruce Richardson
<bruce.richardson@intel.com> wrote:
>
> Rather than assuming all compilers support the -flax-vector-extensions
> flag, we should test this before using it, thereby potentially avoiding
> warnings.
>
> Cc: jerinj@marvell.com
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

Acked-by: Jerin Jacob <jerinj@marvell.com>


> ---
>  drivers/net/octeontx2/meson.build | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/net/octeontx2/meson.build b/drivers/net/octeontx2/meson.build
> index fad3076a3..bde19678f 100644
> --- a/drivers/net/octeontx2/meson.build
> +++ b/drivers/net/octeontx2/meson.build
> @@ -26,9 +26,7 @@ sources = files('otx2_rx.c',
>
>  deps += ['bus_pci', 'common_octeontx2', 'mempool_octeontx2']
>
> -cflags += ['-flax-vector-conversions']
> -
> -extra_flags = []
> +extra_flags = ['-flax-vector-conversions']
>  # This integrated controller runs only on a arm64 machine, remove 32bit warnings
>  if not dpdk_conf.get('RTE_ARCH_64')
>         extra_flags += ['-Wno-int-to-pointer-cast', '-Wno-pointer-to-int-cast']
> --
> 2.20.1
>