Hello Jeff, thank you for your feedback. I have this problem when I compile c, c++ and fortran code with the mpi bindings, i.e. mpicc, mpicxx and mpif90. If I compile directly codes with gcc, g++ or gfortran I do not have this problem. This is why I think it's something related to openmpi.
Thanks! On Thu, May 9, 2013 at 8:32 AM, Jeff Squyres (jsquyres) <jsquy...@cisco.com>wrote: > I think you cited the correct prior thread on the OMPI users list, and I > think it correctly identifies the problem: the linker is finding the > "wrong" library first, determines that it is wrong, and skips it. > > You probably should remove the "wrong" library from your LD_LIBRARY_PATH > (e.g., if you're building for 64 bit, then remove the 32 bit library dir, > and vice versa). You *might* be able to remove both of those directories > from your LD_LIBRARY_PATH, because gcc might be searching those directories > anyway (because it knows where it built/installed itself, unless you moved > the tree after installation). > > Regardless, this is really more of a gcc question than an Open MPI > question, because you probably have this same problem with anything that > you compile with this compiler, right? > > > On May 8, 2013, at 3:12 PM, Matteo Parsani <parsani.mat...@gmail.com> > wrote: > > > Dear All, > > I have recently installed gcc 4.7.3 on my cent OS 6.4. Moreover, I have > compiled openmpi 1.6.4 with the above compiler. > > > > My LD_LIBRARY_PATH is set correctly and it points to both /lib and > /lib64 where libgfortran.so and libgcc_s.so for 32 and 64 bits are located. > > > > Every time I compile a Fortran, a C or a C++ source code with the > wrapper mpif90, mpicc or mpicx I get this warning: > > > > /usr/bin/ld: skipping incompatible > /scratch/home0/pmatteo/research/lib_install/lib/libgfortran.so when > searching for -lgfortran > > > > or > > > > /usr/bin/ld: skipping incompatible > /scratch/home0/pmatteo/research/lib_install/lib/libgcc_s.so when searching > for -lgcc_s > > > > I have switch my LD_LIBRARY_PATH as suggested in this thread: > http://www.open-mpi.org/community/lists/users/2009/02/8067.php > > > > but nothing change. > > > > Any idea what I am doing wrong? > > > > I know that it is just a warning but I would like to avoid it. > > > > Thank you. > > > > > > -- > > Matteo > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > -- Matteo
