Re: [dpdk-dev] [PATCH] build: fix experimental library versioning

[David Marchand <david.marchand@redhat.com>]

On Thu, Feb 20, 2020 at 8:55 PM Ferruh Yigit <ferruh.yigit@intel.com> wrote:
>
> The problem occurred when workaround that makes soname two digits
> applied. With this change for the ABI version "20.0.1" the experimental
> library version become ".so.2001".
> After workaround removed in ABI version 21.0, the experimental library
> version will become ".so.210".
> "2001" is bigger value than "201" although it is a previous version of
> the library version, this can break the version comparisons.
>
> To fix this, introducing a temporary sub level versioning for the
> experimental libraries, so that minor version comparison will continue
> to work.
>
> After change experimental libraries will follow below versioning:
>
> DPDK version  ABI version  soname       library name
> ------------  -----------  ------       ------------
> DPDK 19.11     20.0        .so.0.200    .so.0.200
> DPDK 20.02     20.0.1      .so.0.200.1  .so.0.200.1
> DPDK 20.05     20.0.2      .so.0.200.2  .so.0.200.2
> DPDK 20.11     21.0        .so.0.210    .so.0.210
> DPDK 21.02     21.1        .so.0.211    .so.0.211
>
> Note: After workaround removed in DPDK 20.11 and soname switch back to
> single digit this patch won't work and needs to be updated.
>
> Fixes: f26c2b39b271 ("build: fix soname info for 19.11 compatibility")
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>

Acked-by: Luca Boccassi <bluca@debian.org>
Acked-by: Ray Kinsella <mdr@ashroe.eu>


Applied.

-- 
David Marchand