David, I you use modules to mange your PATH and LD_LIBRARY_PATH and load only the gcc tht you want when you build openmpi and your applications that sould fix it going forward.
Doug > On Feb 10, 2016, at 10:58 AM, David Shrader <dshra...@lanl.gov> wrote: > > Hello, > > Is it possible to use a single build of Open MPI against multiple versions of > GCC if the versions of GCC are from the same release series? I was under the > assumption that as long as a binary-compatible compiler was used, it was > possible to "swap out" the compiler from underneath Open MPI. > > That is the general question I have, but here is the specific scenario that > prompted it: > built Open MPI 1.10.1 against GCC 5.2.0 with a directory name of > openmpi-1.10.1-gcc-5 > installed GCC 5.3.0 > removed GCC 5.2.0 > I now have users who are getting errors like the following when using mpicxx: > /bin/grep: > /usr/projects/hpcsoft/toss2/common/gcc/5.2.0/lib/../lib64/libstdc++.la: No > such file or directory > I can see several references to my previous GCC 5.2.0 installation in the > <install dir>/lib/*.la files, including a reference to > /usr/projects/hpcsoft/toss2/common/gcc/5.2.0/lib/../lib64/libstdc++.la. > This is all disconcerting as users of GCC 5.3.0 were using 5.3.0's binaries > but were getting some 5.2.0 library configs before I removed 5.2.0, but no > one knew it. > If it should be possible to use a single build of Open MPI with multiple > binary-compatible compilers, is there a way to fix my above situation or > prevent it from happening at build time? > Thanks, > 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/2016/02/28498.php
