On Wed, 25 Nov 2015 10:38:48 +0200 Panu Matilainen <pmatilai at redhat.com> wrote:
> On 11/25/2015 12:46 AM, Stephen Hemminger wrote: > > On Tue, 24 Nov 2015 16:31:17 +0200 > > Panu Matilainen <pmatilai at redhat.com> wrote: > > > >> The physically linked-together combined library has been an increasing > >> source of problems, as was predicted when library and symbol versioning > >> was introduced. Replace the complex and fragile construction with a > >> simple linker script which achieves the same without all the problems, > >> remove the related kludges from eg mlx drivers. > >> > >> Since creating the linker script is practically zero cost, remove the > >> config option and just create it always. > >> > >> Based on a patch by Sergio Gonzales Monroy, linker script approach > >> initially suggested by Neil Horman. > >> > >> Suggested-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at intel.com> > >> Suggested-by: Neil Horman <nhorman at tuxdriver.com> > >> Signed-off-by: Panu Matilainen <pmatilai at redhat.com> > > > > But it now means distros have to ship 20 libraries which seems like > > a step back. > > That's how Fedora and RHEL are shipping it already and nobody has so > much as noticed anything strange, much less complained about it. 20 > libraries is but a drop in the ocean on a average distro. But more to > the point, distros will prefer 50 working libraries over one that doesn't. > > The combined library as it is simply is no longer a viable option. > Besides just being broken (witness the strange hacks people are coming > up with to work around issues in it) its ugly because it basically gives > the middle finger to all the effort going into version compatibility, > and its also big. Few projects will use every library in DPDK, but with > the combined library they're forced to lug the 800 pound gorilla along > needlessly. > > - Panu - > Fixing the combined library took less than an hour for us.