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Fix mpi4py include path in CO_SIM_IO_BUILD_PYTHON_MPI4PY_INTERFACE #383

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Merged
loumalouomega merged 1 commit into from
Oct 26, 2026
Merged

Fix mpi4py include path in CO_SIM_IO_BUILD_PYTHON_MPI4PY_INTERFACE #383

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14 changes: 14 additions & 0 deletions co_sim_io/python/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,21 @@ if (CO_SIM_IO_BUILD_MPI)
OPTION ( CO_SIM_IO_BUILD_PYTHON_MPI4PY_INTERFACE "Building the interface to mpi4py MPI communicators" OFF )
if (CO_SIM_IO_BUILD_PYTHON_MPI4PY_INTERFACE)
message("Building the interface to mpi4py MPI communicators")
if (Python_EXECUTABLE)
set(MPI4PY_PYTHON_EXECUTABLE "${Python_EXECUTABLE}")
else()
set(MPI4PY_PYTHON_EXECUTABLE "${PYTHON_EXECUTABLE}")
endif()
execute_process(
COMMAND "${MPI4PY_PYTHON_EXECUTABLE}" -c "import mpi4py; print(mpi4py.get_include())"
OUTPUT_VARIABLE MPI4PY_INCLUDE_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE MPI4PY_RESULT)
if (NOT MPI4PY_RESULT EQUAL 0 OR NOT EXISTS "${MPI4PY_INCLUDE_DIR}")
message(FATAL_ERROR "mpi4py could not be found with \"${MPI4PY_PYTHON_EXECUTABLE}\", it is required for CO_SIM_IO_BUILD_PYTHON_MPI4PY_INTERFACE")
endif()
pybind11_add_module(PyCoSimIOMPI_mpi4pyInterface mpi4py_interface.cpp)
target_include_directories( PyCoSimIOMPI_mpi4pyInterface SYSTEM PRIVATE ${MPI4PY_INCLUDE_DIR} )
target_link_libraries( PyCoSimIOMPI_mpi4pyInterface PRIVATE ${MPI_LIBRARIES} )
install_pybind_module(PyCoSimIOMPI_mpi4pyInterface)
set_target_properties(PyCoSimIOMPI_mpi4pyInterface PROPERTIES INSTALL_RPATH "$ORIGIN")
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