#OPENMPI MAC INSTALL XCODE CODE#

Sources : open-mpi xcode FAQ, Debugging & running MPI programs in Xcode Run it and you will see 2 'Hello, World!' (because I use -n 2 for the example).add '$BUILT_PRODUCTS_DIR/$EXECUTABLE_PATH' wich is the combination of environment variables that specify the executable file.add '-n X' where X is the number of processors you want to use 'for this example i will use 2'.So, in the same dialog box under Arguments You can open it by pressing cmd + shift + g.įor running mpiexec need to know as arguments the number of processors and the executable file.

Note that this is usually an hidden folder. For me it's in /usr/local/Cellar/open-mpi/1.8.6/bin. Change it to mpiexec wich is an alias of 'orterun'.In the dialog box under Info for the Executable choose Other.These can be done through the Build Settings option from the Xcode project.īecause mpi need to use it's own program to run ours we need to change the Executable. '-lmpi_cxx -lmpi' in the “Linking – Other Linker Flags”.'/usr/local/opt/libevent/lib' and '/usr/local/Cellar/open-mpi/1.8.6/lib' in the “Search Paths – Library Search Paths”.'/usr/local/Cellar/open-mpi/1.8.6/include' in the “Search Paths – Header Search Paths”.From the output of the previous command we got that we need to add: Then we got the include path, library path and some other flags. My output with mpic++ is : clang++ -I/usr/local/Cellar/open-mpi/1.8.6/include -L/usr/local/opt/libevent/lib -L/usr/local/Cellar/open-mpi/1.8.6/lib -lmpi_cxx -lmpi Then check the requirements for c++: mpic++ -showme

#OPENMPI MAC INSTALL XCODE CODE#

Ld: symbol(s) not found for architecture x86_64Ĭlang: error: linker command failed with exit code 1 (use -v to see invocation)Īm I missing anything in the above installation processes?

MPI::Op::Init(void (*)(void const*, void*, int, MPI::Datatype const&), bool) in main.o '_ompi_op_set_cxx_callback', referenced from: MPI::Cartcomm::Cartcomm(ompi_communicator_t* const&) in main.o MPI::Graphcomm::Graphcomm(ompi_communicator_t* const&) in main.o MPI::Intracomm::Intracomm(ompi_communicator_t*) in main.o MPI::Win::Set_errhandler(MPI::Errhandler const&) const in main.o '_MPI_Win_set_errhandler', referenced from: MPI::Win::Get_errhandler() const in main.o '_MPI_Win_get_errhandler', referenced from: MPI::Win::Call_errhandler(int) const in main.o '_MPI_Win_call_errhandler', referenced from: MPI::Op::Reduce_local(void const*, void*, int, MPI::Datatype const&) const in main.o MPI::Op::Is_commutative() const in main.o '_MPI_Grequest_complete', referenced from: MPI::Intracomm::Spawn_multiple(int, char const**, char const***, int const*, MPI::Info const*, int, int*) in main.o MPI::Intracomm::Spawn_multiple(int, char const**, char const***, int const*, MPI::Info const*, int) in main.o '_MPI_Comm_spawn_multiple', referenced from: MPI::Intracomm::Spawn(char const*, char const**, int, MPI::Info const&, int, int*) const in main.o MPI::Intracomm::Spawn(char const*, char const**, int, MPI::Info const&, int) const in main.o MPI::Comm::Set_errhandler(MPI::Errhandler const&) const in main.o '_MPI_Comm_set_errhandler', referenced from: MPI::Comm::Get_errhandler() const in main.o '_MPI_Comm_get_errhandler', referenced from: MPI::Intracomm::Connect(char const*, MPI::Info const&, int) const in main.o MPI::Intracomm::Accept(char const*, MPI::Info const&, int) const in main.o Then I added opt/local/include/openmpi to my user header search paths, dragged the 'libmpi.dylib' and 'libmpi_cxx.dylib' into my project.īut then when I tried to run the program, I got the following error message: Undefined symbols for architecture x86_64: I installed openmpi from MacPort by typing sudo port install openmpi and the installation finished normally. I'm trying to run some MPI programs in xcode 4.

Openmpi mac install xcode