Hello. Open MPI 1.6.2 is installed on the cluster I'm using. At the moment I can't upgrade Open MPI on the computing nodes of this system. My C code contains many calls to MPI functions. When I try to 'make' this code on the cluster, the only error that I get is "undefined reference to `MPI_Comm_create_group'".
I'm able to install a newer version (like 2.1.1) of Open MPI only on the frontend of this cluster. Using newer version, the code is compiled and linked successfully. But in this case I face problem in running the program, since the newer version of Open MPI is not installed on the computing nodes. Is there any way that I can compile and link the code using Open MPI 1.6.2? Thanks, Arham Amouei
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