<snip>

> 
> Building with SVE extension enabled stopped with error:
> 
>  error: ACLE function ‘svwhilelt_b64_s32’ requires ISA extension ‘sve’
>    18 | #define PG64_256BIT  svwhilelt_b64(0, 4)
> 
> This is caused by unintentional cflags reset.
> Fixed the issue by appending required flag to cflags instead of overriding it.
> 
> Fixes: 952ebacce4f2 ("net/hns3: support SVE Rx")
> Cc: xavier.hu...@huawei.com
> Cc: sta...@dpdk.org
> 
> Signed-off-by: Ruifeng Wang <ruifeng.w...@arm.com>
> ---
>  drivers/net/hns3/meson.build | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/hns3/meson.build b/drivers/net/hns3/meson.build
> index 45cee34d9..798086357 100644
> --- a/drivers/net/hns3/meson.build
> +++ b/drivers/net/hns3/meson.build
> @@ -32,7 +32,7 @@ deps += ['hash']
>  if arch_subdir == 'arm' and dpdk_conf.get('RTE_ARCH_64')
>       sources += files('hns3_rxtx_vec.c')
>       if cc.get_define('__ARM_FEATURE_SVE', args: machine_args) != ''
> -             cflags = ['-DCC_SVE_SUPPORT']
> +             cflags += ['-DCC_SVE_SUPPORT']
This comment is unrelated to this patch. We need to be consistent with the 
macro definitions. Is '__ARM_FEATURE_SVE' not enough? If we need to define an 
additional flag, I would name it something like 'RTE_ARM_FEATURE_SVE'.

>               sources += files('hns3_rxtx_vec_sve.c')
>       endif
>  endif
> --
> 2.25.1

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