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

[Luca Boccassi <bluca@debian.org>]

On Thu, 2020-02-20 at 19:54 +0000, Ferruh Yigit 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>

This solution looks like a good compromise to me. Thanks Ferruh.

-- 
Kind regards,
Luca Boccassi