cmake try_run(LANG) examples

ornladios/ADIOS2 cmake/upstream/FindMPI.cmake :1205 

try_run(MPI_RUN_RESULT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE} MPI_RESULT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE}
 "${CMAKE_BINARY_DIR}" SOURCES "${MPI_TEST_SOURCE_FILE}"
  COMPILE_DEFINITIONS ${MPI_TEST_COMPILE_DEFINITIONS}
  LINK_LIBRARIES MPI::MPI_${LANG}
  RUN_OUTPUT_VARIABLE MPI_RUN_OUTPUT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE}
  COMPILE_OUTPUT_VARIABLE _MPI_TRY_${MPI_TEST_FILE_NAME}_${MODE}_OUTPUT)

Viskores/viskores CMake/patches/3.15/FindMPI.cmake :1211 

try_run(MPI_RUN_RESULT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE} MPI_RESULT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE}
 "${CMAKE_BINARY_DIR}" SOURCES "${MPI_TEST_SOURCE_FILE}"
  COMPILE_DEFINITIONS ${MPI_TEST_COMPILE_DEFINITIONS}
  LINK_LIBRARIES MPI::MPI_${LANG}
  RUN_OUTPUT_VARIABLE MPI_RUN_OUTPUT_${LANG}_${MPI_TEST_FILE_NAME}_${MODE}
  COMPILE_OUTPUT_VARIABLE _MPI_TRY_${MPI_TEST_FILE_NAME}_${MODE}_OUTPUT)