Re: [dpdk-dev] [PATCH 2/6] config: add clang support for armv8a linuxapp

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

-----Original Message-----
> Date: Wed, 10 May 2017 03:16:39 -0700
> From: Ashwin Sekhar T K <ashwin.sekhar@caviumnetworks.com>
> To: thomas@monjalon.net, jerin.jacob@caviumnetworks.com,
>  maciej.czekaj@caviumnetworks.com, viktorin@rehivetech.com,
>  jianbo.liu@linaro.org, bruce.richardson@intel.com,
>  pablo.de.lara.guarch@intel.com, konstantin.ananyev@intel.com
> Cc: dev@dpdk.org, Ashwin Sekhar T K <ashwin.sekhar@caviumnetworks.com>
> Subject: [dpdk-dev] [PATCH 2/6] config: add clang support for armv8a
>  linuxapp
> X-Mailer: git-send-email 2.13.0.rc1
> 
> Added new config arm64-armv8a-linuxapp-clang
> 
> Signed-off-by: Ashwin Sekhar T K <ashwin.sekhar@caviumnetworks.com>
> ---
>  config/defconfig_arm64-armv8a-linuxapp-clang | 56 ++++++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
>  create mode 100644 config/defconfig_arm64-armv8a-linuxapp-clang
> 
> diff --git a/config/defconfig_arm64-armv8a-linuxapp-clang b/config/defconfig_arm64-armv8a-linuxapp-clang
> +#include "common_linuxapp"
> +
> +CONFIG_RTE_MACHINE="armv8a"
> +
> +CONFIG_RTE_ARCH="arm64"
> +CONFIG_RTE_ARCH_ARM64=y
> +CONFIG_RTE_ARCH_64=y
> +
> +CONFIG_RTE_FORCE_INTRINSICS=y
> +
> +CONFIG_RTE_TOOLCHAIN="clang"
> +CONFIG_RTE_TOOLCHAIN_CLANG=y
> +
> +# Maximum available cache line size in arm64 implementations.
> +# Setting to maximum available cache line size in generic config
> +# to address minimum DMA alignment across all arm64 implementations.
> +CONFIG_RTE_CACHE_LINE_SIZE=128
> +
> +CONFIG_RTE_EAL_IGB_UIO=n
> +
> +CONFIG_RTE_LIBRTE_FM10K_PMD=n
> +CONFIG_RTE_LIBRTE_SFC_EFX_PMD=n
> +CONFIG_RTE_LIBRTE_AVP_PMD=n
> +
> +CONFIG_RTE_SCHED_VECTOR=n

IMO, It is better to create common_armv8 config and let gcc and clang
use that to avoid duplicating the symbols.

> -- 
> 2.13.0.rc1
>