[dpdk-dev] [PATCH 2/2] config: add static linkage of mlx dependency

Thomas Monjalon thomas at monjalon.net
Wed Jan 9 11:02:21 CET 2019


09/01/2019 10:37, Bruce Richardson:
> On Wed, Jan 09, 2019 at 03:05:24AM +0100, Thomas Monjalon wrote:
> > The libraries provided by rdma-core may be statically linked
> > if enabling CONFIG_RTE_IBVERBS_LINK_STATIC in the make-based build.
> > If CONFIG_RTE_BUILD_SHARED_LIB is disabled,
> > the applications will embed the mlx PMDs with ibverbs and the mlx libraries.
> > If CONFIG_RTE_BUILD_SHARED_LIB is enabled,
> > the mlx PMDs will embed ibverbs and the mlx libraries.
> > 
> > Support with meson may be added later.
> > 
> > Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> > ---
> Just to clarify - if there is a shared library build, the idea is to
> actually link in the dependent .a files directly into the .so, rather than
> having the driver .so's track their dependency on the other .so files? What
> is the prospective use-case for this, and can it cause problems? I thought
> it was generally not advisable to be linking in static libraries into
> shared libraries.

Yes that's it.
It is supposed to ease the packaging for some users,
because there are less packages to install on the target host.
For instance, VPP may be interested.

If rdma-core is not linked by the application, I don't see any issue.




More information about the dev mailing list