[dpdk-dev] [PATCH v3] build: fix plugin load on static builds

[Bruce Richardson]

On Fri, Dec 18, 2020 at 02:14:22PM +0100, Olivier Matz wrote:
> When dpdk is compiled as static libraries, it is not possible
> to load a plugin from an application. We get the following error:
> 
>   EAL: librte_pmd_xxxx.so: undefined symbol: per_lcore__rte_errno
> 
> This happens because the dpdk symbols are not exported. Add them to the
> dynamic symbol table by using '-Wl,--export-dynamic'. This option was
> previously present when compiled with Makefiles, it was introduced in
> commit f9a08f650211 ("eal: add support for shared object drivers")
> 
> Also add it to the pkg-config file.
> 
> Fixes: 16ade738fd0d ("app/testpmd: build with meson")
> Fixes: 89f0711f9ddf ("examples: build some samples with meson")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
> ---
Reviewed-by: Bruce Richardson <bruce.richardson at intel.com>