Le 04/06/2013 14:34, Jeff Squyres (jsquyres) a écrit : > On Jun 4, 2013, at 5:11 AM, Brice Goglin <brice.gog...@inria.fr> wrote: > >> 2) custom test with ltdl: The program just silently fails to load hwloc >> symbols. Equivalent to passing the topology flag above. > > One option might be to try to lt_dlsym one of the hwloc symbols that you know > you'll need in the plugin (or any public hwloc symbol, for that matter). If > ltdl_sym gets NULL back for the hwloc global symbol, then the plugin should > disqualify itself and have itself unloaded (perhaps with some way of > reporting what/why it did that). >
lt_dlsym doesn't seem to accept special handles such as RTLD_DEFAULT like dlsym does, and we don't have a handle on hwloc. I don't see how to do that with lt_dlsym? Brice
