Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

Subject: Re: [OMPI devel] rpath issues (re: svn:open-mpi r30005 - trunk/config)
From: Mike Dubman (miked_at_[hidden])
Date: 2013-12-21 03:43:28


yet, it does.

On Fri, Dec 20, 2013 at 8:12 PM, Jeff Squyres (jsquyres) <jsquyres_at_[hidden]
> wrote:

> Cool; thanks.
>
> Does libmxm have a .a (static) version?
>
>
> On Dec 20, 2013, at 11:42 AM, Mike Dubman <miked_at_[hidden]>
> wrote:
>
> > Hi Jeff,
> > Thanks for comments.
> > I checked #1 and it does the trick, will fix and commit it.
> > as for #2 - we do not modify LDFLAGS in mca/mtl/mxm/configure.m4.
> > M
> >
> >
> > On Fri, Dec 20, 2013 at 3:54 PM, Jeff Squyres (jsquyres) <
> jsquyres_at_[hidden]> wrote:
> > This commit doesn't seem right. You can't just assign -Wl,-rpath to
> rpath something -- those flags are dependent on the actual back-end linker
> (which may not be gnu ld). We have a bunch of logic in configure that was
> just recently revamped to figure out what the rpath linker flags should be.
> >
> > I see the scenario you're describing: you basically want to override
> /etc/ld.so.conf with your own personal installation. In this situation,
> you must be doing "./configure --with-mxm=$HOME/mxm", right?
> >
> > 1. For your .m4 code, I think you should just pass
> "-L$ompi_check_mxm_libdir" as $5 to OMPI_CHECK_PACKAGE. Shouldn't an
> explicit -L always override an implicit ld.so.conf setting?
> >
> > 2. Is your configure.m4 for mxm adding -L$HOME/mxm/lib to the wrapper
> LDFLAGS? Because if so, then the new rpath stuff should be picking this up
> automatically and adding the right rpath flags (and runpath, if it's
> supported) for $HOME/mxm/lib into the wrapper compiler.
> >
> > Can you verify if this is correct?
> >
> > (note: these changes to the wrapper compiler only happened within the
> last week or so)
> >
> >
> >
> > On Dec 20, 2013, at 6:15 AM, <svn-commit-mailer_at_[hidden]> <
> svn-commit-mailer_at_[hidden]> wrote:
> >
> > > Author: miked (Mike Dubman)
> > > Date: 2013-12-20 06:15:41 EST (Fri, 20 Dec 2013)
> > > New Revision: 30005
> > > URL: https://svn.open-mpi.org/trac/ompi/changeset/30005
> > >
> > > Log:
> > > add rpath on mca_mtl_mxm.so to point to /path/to/mxm/lib/libmxm.so
> which was detected at configure time
> > > This *should* fix following situation:
> > >
> > > 1 mxm.rpm puts /etc/ld.so.conf.d/mxm.conf file during rpm install with
> libpath to /opt/mellanox/mxm/lib
> > > 2 some1 can extract mxm.rpm into $HOME/mxm and compile OMPI with new
> mxm location
> > > 3 during runtime, OMPI from prev step will pick MXM from step (1)
> instead of from step (2)
> > >
> > > cmr=v1.7.4:reviewer=ompi-rm1.7
> > >
> > > Text files modified:
> > > trunk/config/ompi_check_mxm.m4 | 9 +++++++--
> > > 1 files changed, 7 insertions(+), 2 deletions(-)
> > >
> > > Modified: trunk/config/ompi_check_mxm.m4
> > >
> ==============================================================================
> > > --- trunk/config/ompi_check_mxm.m4 Fri Dec 20 06:03:09 2013
> (r30004)
> > > +++ trunk/config/ompi_check_mxm.m4 2013-12-20 06:15:41 EST (Fri, 20
> Dec 2013) (r30005)
> > > @@ -29,15 +29,20 @@
> > >
> > > AS_IF([test "$with_mxm" != "no"],
> > > [AS_IF([test ! -z "$with_mxm" -a "$with_mxm" != "yes"],
> > > - [ompi_check_mxm_dir="$with_mxm"])
> > > + [
> > > + ompi_check_mxm_dir="$with_mxm"
> > > + ompi_check_mxm_libdir="$with_mxm/lib"
> > > + ])
> > > AS_IF([test ! -z "$with_mxm_libdir" -a "$with_mxm_libdir"
> != "yes"],
> > > [ompi_check_mxm_libdir="$with_mxm_libdir"])
> > >
> > > + ompi_check_mxm_rpath="-Wl,-rpath=$ompi_check_mxm_libdir"
> > > +
> > > OMPI_CHECK_PACKAGE([$1],
> > > [mxm/api/mxm_api.h],
> > > [mxm],
> > > [mxm_cleanup],
> > > - [],
> > > + [$ompi_check_mxm_rpath],
> > > [$ompi_check_mxm_dir],
> > > [$ompi_check_mxm_libdir],
> > > [ompi_check_mxm_happy="yes"],
> > > _______________________________________________
> > > svn-full mailing list
> > > svn-full_at_[hidden]
> > > http://www.open-mpi.org/mailman/listinfo.cgi/svn-full
> >
> >
> > --
> > Jeff Squyres
> > jsquyres_at_[hidden]
> > For corporate legal information go to:
> http://www.cisco.com/web/about/doing_business/legal/cri/
> >
> > _______________________________________________
> > devel mailing list
> > devel_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/devel
> >
> > _______________________________________________
> > devel mailing list
> > devel_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/devel
>
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to:
> http://www.cisco.com/web/about/doing_business/legal/cri/
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>