It could be that a fairly recent change was made to fix that conflict. I believe Jeff and Gilles modified the internal hwloc header name(s) to ensure we got the right one of those. However, that didn’t get done for libevent and/or pmix, so the conflict likely still resides there.
> On Apr 5, 2017, at 11:56 AM, Barrett, Brian via devel > <devel@lists.open-mpi.org> wrote: > > Right; that’s what I built. I had both libevent and hwloc installed in /usr. > I configured with —with-hwloc=external. It built against the external hwloc > and the internal libevent. So there must be some slight variation on the > theme I’m missing. > > Brian > >> On Apr 5, 2017, at 11:36 AM, r...@open-mpi.org wrote: >> >> Not quite the problem I mentioned. The problem arises if you want external >> hwloc, but internal libevent - and both have external versions in (say) >> /usr. If you point hwloc there, then the -I and -L flags will cause us to >> pull in the /usr libevent versions instead of the internal ones - and havoc >> ensues. >> >> >>> On Apr 5, 2017, at 11:30 AM, Barrett, Brian via devel >>> <devel@lists.open-mpi.org> wrote: >>> >>> All - >>> >>> On the telecon yesterday, there was discussion of external hwloc causing >>> problems if libevent was also installed in the same location. Does anyone >>> have details on exactly what the failure mode is? I tried what I think is >>> the issue (./configure —with-hwloc=external with libevent installed in >>> /usr/ as well) and everything built / works fine. I checked the library >>> paths and include and everything looks normal, so I must have the wrong >>> scenario. Hints? >>> >>> Thanks, >>> >>> Brian >>> _______________________________________________ >>> devel mailing list >>> devel@lists.open-mpi.org >>> https://rfd.newmexicoconsortium.org/mailman/listinfo/devel >> >> _______________________________________________ >> devel mailing list >> devel@lists.open-mpi.org >> https://rfd.newmexicoconsortium.org/mailman/listinfo/devel > > _______________________________________________ > devel mailing list > devel@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/devel