Hello David, Thanks for info and patch - will fix ompi configure logic with your patch.
mxm can be installed in the system and user spaces - both are valid and supported logic. M On Tue, May 26, 2015 at 5:50 PM, David Shrader <dshra...@lanl.gov> wrote: > Hello Mike, > > This particular instance of mxm was installed using rpms that were > re-rolled by our admins. I'm not 100% sure where they got them (HPCx or > somewhere else). I myself am not using HPCx. Is there any particular reason > why mxm shouldn't be in system space? If there is, I'll share it with our > admins and try to get the install location corrected. > > As for what is causing the extra -L, it does look like an empty variable > is used without checking that it is empty in configure. Line 246117 in the > configure script provided by the openmpi-1.8.5.tar.bz2 tarball has this: > > ompi_check_mxm_extra_libs="-L$ompi_check_mxm_libdir" > > By invoking configure with '/bin/sh -x ./configure ...' and changing PS4 > to output line numbers, I saw that line 246117 was setting > ompi_check_mxm_extra_libs to just "-L". It turns out that configure does > this in three separate locations. I put a check around all three instances > like this: > > if test ! -z "$ompi_check_mxm_extra_libs"; then > ompi_check_mxm_extra_libs="-L$ompi_check_mxm_libdir" > fi > > And the spurious '-L' disappeared from the linking commands and make > completed fine. > > So, it looks like there are two solutions: move the install location of > mxm to not be in system-space or modify configure. Which one would be the > better one for me to pursue? > > Thanks, > David > > > On 05/23/2015 12:05 AM, Mike Dubman wrote: > > Hi, > > How mxm was installed? by copying? > > The rpm based installation places mxm into /opt/mellanox/mxm and not > into /usr/lib64/libmxm.so. > > Do you use HPCx (pack of OMPI and MXM and FCA)? > You can download HPCX, extract it anywhere and compile OMPI pointing to > mxm location under HPCX. > > Also, HPCx contains rpms for mxm and fca. > > > M > > On Sat, May 23, 2015 at 1:07 AM, David Shrader <dshra...@lanl.gov> wrote: > >> Hello, >> >> I'm getting a spurious '-L' flag when I have mxm installed in >> system-space (/usr/lib64/libmxm.so) which is causing an error at link time >> during make: >> >> ...output snipped... >> /bin/sh ../../../../libtool --tag=CC --mode=link gcc -std=gnu99 -O3 >> -DNDEBUG -I/opt/panfs/include -finline-functions -fno-strict-aliasing >> -pthread -module -avoid-version -o libmca_mtl_mxm.la mtl_mxm.lo >> mtl_mxm_cancel.lo mtl_mxm_component.lo mtl_mxm_endpoint.lo mtl_mxm_probe.lo >> mtl_mxm_recv.lo mtl_mxm_send.lo -lmxm -L -lrt -lm -lutil >> libtool: link: require no space between `-L' and `-lrt' >> make[2]: *** [libmca_mtl_mxm.la] Error 1 >> make[2]: Leaving directory >> `/turquoise/usr/projects/hpctools/dshrader/hpcsoft/openmpi/1.8.5/openmpi-1.8.5/ompi/mca/mtl/mxm' >> make[1]: *** [all-recursive] Error 1 >> make[1]: Leaving directory >> `/turquoise/usr/projects/hpctools/dshrader/hpcsoft/openmpi/1.8.5/openmpi-1.8.5/ompi' >> make: *** [all-recursive] Error 1 >> >> If I I use --with-mxm=no, then this error doesn't occur (as expected as >> the mxm component isn't touched). Has anyone run in to this before? >> >> Here is my configure line: >> >> ./configure --disable-silent-rules >> --with-platform=contrib/platform/lanl/toss/optimized-panasas --prefix=... >> >> I wonder if there is an empty variable that should contain the directory >> libmxm is in somewhere in configure since no directory is passed to >> --with-mxm which is then paired with a "-L". I think I'll go through the >> configure script while waiting to see if anyone else has run in to this. >> >> Thank you for any and all help, >> David >> >> -- >> David Shrader >> HPC-3 High Performance Computer Systems >> Los Alamos National Lab >> Email: dshrader <at> lanl.gov >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/05/26904.php >> > > > > -- > > Kind Regards, > > M. > > > _______________________________________________ > users mailing listus...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/05/26905.php > > > -- > David Shrader > HPC-3 High Performance Computer Systems > Los Alamos National Lab > Email: dshrader <at> lanl.gov > > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/05/26936.php > -- Kind Regards, M.
