thrust_update_system_found_flags()

if (THRUST_CPP_FOUND AND THRUST_CUDA_FOUND)
  # Do a basic check of the cmake/ThrustAddSubdir.cmake mechanism:
  add_test(
    NAME thrust.example.cmake.add_subdir
    COMMAND "${CMAKE_COMMAND}"
      --log-level=VERBOSE
      -S "${CMAKE_CURRENT_SOURCE_DIR}/add_subdir"
      -B "${CMAKE_CURRENT_BINARY_DIR}/add_subdir"
      -D "THRUST_DIR=${Thrust_SOURCE_DIR}"
      -D "CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
      -D "CMAKE_CUDA_COMPILER=${CMAKE_CUDA_COMPILER}"
      -D "CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}"
  )
endif()