if (NOT DEFINED VTK_BINARY_DIR)
  message(FATAL_ERROR "Invoke with -DVTK_BINARY_DIR=/path/to/VTK/build")
endif ()
if (NOT DEFINED CONFIGURATION)
  message(FATAL_ERROR "Invoke with -DCONFIGURATION=<config>")
endif ()
message(STATUS "Removing InstallTest directory...")
file(REMOVE_RECURSE "${VTK_BINARY_DIR}/InstallTest")
message(STATUS "Building 'install' target...")
execute_process(
  COMMAND "${CMAKE_COMMAND}"
          --build "${VTK_BINARY_DIR}"
          --target install
          --config "${CONFIGURATION}"
  RESULT_VARIABLE failed)

if (failed)
  message(FATAL_ERROR "Installation failed: ${failed}")
else ()
  file(WRITE "${VTK_BINARY_DIR}/InstallTest/InstallSucceeded.txt"
    "# Installation succeeded!\n")
endif ()