Source of FindGPTL.cmake - ParallelIO

 
find_valid_components (GPTL)
​
#==============================================================================
# SEARCH FOR VALIDATED COMPONENTS
foreach (GPTL_comp IN LISTS GPTL_FIND_VALID_COMPONENTS)
​
    # If not found already, search...
    if (NOT GPTL_${GPTL_comp}_FOUND)
​
        # Manually add the MPI include and library dirs to search paths
        if (GPTL_comp STREQUAL C)
            if (MPI_C_FOUND)
                set (GPTL_${GPTL_comp}_PATHS ${MPI_C_INCLUDE_PATH})
                foreach (lib IN LISTS MPI_C_LIBRARIES)
                    get_filename_component (libdir ${lib} PATH)
                    list (APPEND GPTL_${GPTL_comp}_PATHS ${libdir})
                    unset (libdir)
                endforeach ()
            endif ()
        else ()
            if (MPI_Fortran_FOUND)
                set (GPTL_${GPTL_comp}_PATHS ${MPI_Fortran_INCLUDE_PATH})
                foreach (lib IN LISTS MPI_Fortran_LIBRARIES)
                    get_filename_component (libdir ${lib} PATH)
                    list (APPEND GPTL_${GPTL_comp}_PATHS ${libdir})
                    unset (libdir)
                endforeach ()
            endif ()
        if (GPTL_comp STREQUAL C AND MPI_C_FOUND)
            set (mpiincs ${MPI_C_INCLUDE_PATH})
            set (mpilibs ${MPI_C_LIBRARIES})
            set (mpifound ${MPI_C_FOUND})
        elseif (MPI_Fortran_FOUND)
            set (mpiincs ${MPI_Fortran_INCLUDE_PATH})
            set (mpilibs ${MPI_Fortran_LIBRARIES})
            set (mpifound ${MPI_Fortran_FOUND})
        endif ()
​
        
        # Search for the package component
        find_package_component(GPTL COMPONENT ${GPTL_comp}
                               PATHS ${GPTL_${GPTL_comp}_PATHS})
        if (mpifound)
            initialize_paths (GPTL_${GPTL_comp}_PATHS
                              INCLUDE_DIRECTORIES ${mpiincs}
                              LIBRARIES ${mpilibs})
            find_package_component(GPTL COMPONENT ${GPTL_comp}
                                   PATHS ${GPTL_${GPTL_comp}_PATHS})
        else ()
            find_package_component(GPTL COMPONENT ${GPTL_comp})
        endif ()
​
    endif ()
    
endforeach ()