<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 not touching cflags, and using flags defined by compiler.
>
> Fixes: 952ebacce4f2 ("net/hns3: support SVE Rx")
> Cc: sta...@dpdk.org
>
> Signed-off-by: Ruifeng Wang <ruifeng.w...@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>
> ---
> v3:
> Removed extra flag, use compiler flag instead.
>
> drivers/net/hns3/hns3_rxtx.c | 4 ++--
> drivers/net/hns3/meson.build | 1 -
> 2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
> index 88d3baba4..5ac36b314 100644
> --- a/drivers/net/hns3/hns3_rxtx.c
> +++ b/drivers/net/hns3/hns3_rxtx.c
> @@ -10,7 +10,7 @@
> #include <rte_io.h>
> #include <rte_net.h>
> #include <rte_malloc.h>
> -#if defined(RTE_ARCH_ARM64) && defined(CC_SVE_SUPPORT)
> +#if defined(RTE_ARCH_ARM64) && defined(__ARM_FEATURE_SVE)
> #include <rte_cpuflags.h>
> #endif
>
> @@ -2467,7 +2467,7 @@ hns3_rx_burst_mode_get(struct rte_eth_dev
> *dev, __rte_unused uint16_t queue_id, static bool
> hns3_check_sve_support(void)
> {
> -#if defined(RTE_ARCH_ARM64) && defined(CC_SVE_SUPPORT)
> +#if defined(RTE_ARCH_ARM64) && defined(__ARM_FEATURE_SVE)
> if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SVE))
> return true;
> #endif
> diff --git a/drivers/net/hns3/meson.build b/drivers/net/hns3/meson.build
> index 45cee34d9..5674d986b 100644
> --- a/drivers/net/hns3/meson.build
> +++ b/drivers/net/hns3/meson.build
> @@ -32,7 +32,6 @@ 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']
> sources += files('hns3_rxtx_vec_sve.c')
> endif
> endif
> --
> 2.25.1
