[dpdk-dev] [PATCH v2] net/i40e: remove weak symbols

[Wu, Jingjing]

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Zoltan Kiss
> Sent: Thursday, July 21, 2016 1:11 AM
> To: dev at dpdk.org
> Cc: Matias Elo <matias.elo at nokia-bell-labs.com>; Gonzalez Monroy, Sergio
> <sergio.gonzalez.monroy at intel.com>; Yigit, Ferruh <ferruh.yigit at intel.com>;
> damarion at cisco.com; thomas.monjalon at 6wind.com
> Subject: [dpdk-dev] [PATCH v2] net/i40e: remove weak symbols
> 
> Using weak symbols have a few issues with static linking:
> 
> - normally the linker searches the .o files already linked, if your weak
>   one is there, it won't check if there is a strong version
> - unless the symbol is directly referred, but it's not the right thing to
>   rely on
> - or --whole-archive specified in the command line, which pulls in a lot
>   of unwanted stuff
> - whole-archive also makes libtool dropping the library from the command
>   line, which is what should happen with dynamic linking, but not with
>   static (observed on Ubuntu 14.04). This is an important bug if you
>   build a static library depending on DPDK
> 
> This patch merges the two version and make the behaviour rely on the
> config.
> 
> If we can agree in the concept, I can send a series to fix this for the
> other weak functions.
> 
> Signed-off-by: Zoltan Kiss <zoltan.kiss at schaman.hu>
> ---

Looks good to remove weak symbols.
Just one concern is vector PMD is one specific part to different Micro-Architecture.
It's better to keep independent from normal tx/rx files. Think about ixgbe_rxtx_vec_neon.c and ixgbe_rxtx_vec_sse.c


Thanks
Jingjing