sorry, it is always 1:0:0 for all releases and not 0:0:0 as I mentioned. but still - it is always 1:0:0. agree that it is bad and ambiguous.
The ofa claims that ABI does not change at all and verbs.h API/ABI is exactly as in spec for all toolkit generations. The non-spec experimental verbs infra availability can be tested with autotools macros. On Mon, Apr 14, 2014 at 10:43 PM, Jeff Squyres (jsquyres) < jsquy...@cisco.com> wrote: > On Apr 14, 2014, at 3:27 PM, Mike Dubman <mi...@dev.mellanox.co.il> wrote: > > > this was true if all external libraries were maintaining ABI > compatibility indicator properly with libtool. > > Let`s check your favorite, libibverbs :), the version is always 0.0.0 in > libibverbs.so.0.0.0 so openib btl will not fail on link. > > ? > > ----- > ❯❯❯ ls -l /usr/lib/libibverbs* > lrwxrwxrwx 1 root root 19 Dec 16 06:59 /usr/lib/libibverbs.so -> > libibverbs.so.1.0.0* > lrwxrwxrwx 1 root root 19 Dec 16 06:59 /usr/lib/libibverbs.so.1 -> > libibverbs.so.1.0.0* > -rwxr-xr-x 1 root root 52060 Dec 3 11:43 /usr/lib/libibverbs.so.1.0.0* > ----- > > As you can see, my libibverbs has shared library version 1.0.0, not 0.0.0. > > > The libibverbs can have experimental verbs included but libibverbs > version still will be indicating the libtool version is "0:0:0". > > That's bad software release methodology. You should fix *that*. > > Shared libraries have version numbers for a reason. They should be used > properly. > > > So, the only way for sysadmin/user to know if he has a right version of > libibvers installed is to check verbs.getVersion() and see if it is matches > to one which includes experimental verbs and then he will know that there > is a problem. > > > > but for us, the most powerful case is the one that you described: > compare ompi_info output on head and compute node and warn user if differ. > > > > Also, to provide an infrastructure to digitize release notes. > > Sure -- registering an MCA param like I described does all of these things > without needing any new infrastructure in OMPI. You could put such version > numbers in today. > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2014/04/14520.php
