[Beowulf] Urgent help with compiling
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Mark Hahn hahn at physics.mcmaster.caFri Jul 29 14:04:06 PDT 2005
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> /usr/lib/mpich/lib/libmpich++.a(comm.o)(.gnu.linkonce.t.__tfQ23MPI9Comm_Null+0x1d): In function `MPI::Comm_Null type_info function': > : undefined reference to `__rtti_user' > > I am using the mpiCC (mpicxx) compiler to compile .cpp code. I am using normal C MPI function calls though. I'm guessing that you simply need to link using g++ (mpiCC/mpicxx, whatever). > My program compiled and ran fine on another machine. But not anymore on this new cluster I moved to. probably your old c++ compiler didn't have rtti support. you *could* recompile your mpich without rtti.
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