We will update the README accordingly. Thank you, Paul. Josh
On Thu, Aug 14, 2014 at 10:00 AM, Jeff Squyres (jsquyres) < jsquy...@cisco.com> wrote: > Good points. > > Mellanox -- can you update per Paul's suggestions? > > > On Aug 13, 2014, at 8:26 PM, Paul Hargrove <phhargr...@lbl.gov> wrote: > > > The following is NOT a bug report. > > This is just an observation that may deserve some text in the README. > > > > I've reported issues in the past with some Fortran compilers (mostly > older XLC and PGI) which either cannot build the "use mpi_f08" module, or > cannot correctly link to it (and sometimes this fails only if configured > with --enable-debug). > > > > Testing the OSHMEM Fortran bindings (enabled by default on Linux) I have > found several compilers which fail to link the examples (hello_oshmemfh and > ring_oshmemfh). I reported one specific instance (with xlc-11/xlf-13) back > in February: > http://www.open-mpi.org/community/lists/devel/2014/02/14057.php > > > > So far I have these failures only on platforms where the Fortran > compiler is *known* to be broken for the MPI f90 and/or f08 bindings. > Specifically, all the failing platforms are ones on which either: > > + Configure determines (without my help) that FC cannot build the F90 > and/or F08 modules. > > OR > > + I must pass --enable-mpi-fortran=usempi or --enable-mpi-fortran=mpifh > for cases configure cannot detect. > > > > So, I do *not* believe there is anything wrong with the OSHMEM code, > which is why I started this post with "The following is NOT a bug report". > However, I have two recommendations to make: > > > > 1) Documentation > > > > The README says just: > > > > --disable-oshmem-fortran > > Disable building only the Fortran OSHMEM bindings. > > > > So, I recommend adding a sentence there referencing the "Compiler Notes" > section of the README which has details on some known bad Fortran compilers. > > > > 2) Configure: > > > > As I noted above, at least some of the failures are on platforms where > configure has determined it cannot build the f08 MPI bindings. So, maybe > there is something that could be done at configure time to disqualify some > Fortran compilers from building the OSHMEM fotran bindings, too. > > > > -Paul > > > > -- > > Paul H. Hargrove phhargr...@lbl.gov > > Future Technologies Group > > Computer and Data Sciences Department Tel: +1-510-495-2352 > > Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 > > _______________________________________________ > > 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/2014/08/15643.php > > > -- > 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/2014/08/15650.php >
