Reuti's right. Sorry about the potentially misleading use of "--prefix" -- we basically inherited that CLI option from a different MPI implementation (i.e., people asked for it). So we were locked into that meaning for the "--prefix" CLI options.
> On Apr 9, 2019, at 9:14 AM, Reuti <re...@staff.uni-marburg.de> wrote: > >> >> Am 09.04.2019 um 14:52 schrieb Dave Love <dave.l...@manchester.ac.uk>: >> >> Reuti <re...@staff.uni-marburg.de> writes: >> >>> export OPAL_PREFIX= >>> >>> to point it to the new location of installation before you start `mpiexec`. >> >> Thanks; that's now familiar, and I don't know how I missed it with >> strings. >> >> It should be documented. > > There is this FAQ entry: > > https://www.open-mpi.org/faq/?category=building#installdirs > > -- Reuti > > >> I'd have expected --prefix to have the same >> effect, and for there to be an MCA variable. Would there be some >> problem with either of those? >> _______________________________________________ >> users mailing list >> email@example.com >> https://lists.open-mpi.org/mailman/listinfo/users > > _______________________________________________ > users mailing list > firstname.lastname@example.org > https://lists.open-mpi.org/mailman/listinfo/users -- Jeff Squyres jsquy...@cisco.com _______________________________________________ users mailing list email@example.com https://lists.open-mpi.org/mailman/listinfo/users