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# -*- cmake -*-
include(Prebuilt)

set(NDOF ON CACHE BOOL "Use NDOF space navigator joystick library.")

include_guard()
add_library( ll::ndof INTERFACE IMPORTED )

if (NDOF)
  if (WINDOWS OR DARWIN)
    use_prebuilt_binary(libndofdev)
  elseif (LINUX)
    if (CMAKE_SYSTEM_PROCESSOR MATCHES x86_64)
    use_prebuilt_binary(open-libndofdev)
    else ()
      if (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/libndofdev_installed OR NOT ${libndofdev_installed} EQUAL 0)
        if (NOT EXISTS ${CMAKE_BINARY_DIR}/libndofdev-master.zip)
          file(DOWNLOAD
            https://github.com/janoc/libndofdev/archive/refs/heads/master.zip
            ${CMAKE_BINARY_DIR}/libndofdev-master.zip
            )
        endif ()
        file(ARCHIVE_EXTRACT
          INPUT ${CMAKE_BINARY_DIR}/libndofdev-master.zip
          DESTINATION ${CMAKE_BINARY_DIR}
          )
        set(ENV{USE_SDL3} 1)
        execute_process(
          COMMAND make -j${MAKE_JOBS}
          WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/libndofdev-master
          RESULT_VARIABLE libndofdev_installed
          )
        unset(ENV{USE_SDL3})
        file(
          COPY ${CMAKE_BINARY_DIR}/libndofdev-master/ndofdev_external.h
          DESTINATION ${LIBS_PREBUILT_DIR}/include
          )
        file(
          COPY ${CMAKE_BINARY_DIR}/libndofdev-master/libndofdev.a
          DESTINATION ${ARCH_PREBUILT_DIRS_RELEASE}
          )
        file(WRITE ${PREBUILD_TRACKING_DIR}/libndofdev_installed "${libndofdev_installed}")
      endif ()
    endif ()
  endif (WINDOWS OR DARWIN)

  find_library(NDOF_LIBRARY
      NAMES
      libndofdev
      ndofdev
      PATHS "${ARCH_PREBUILT_DIRS_RELEASE}" REQUIRED NO_DEFAULT_PATH)

  if (LINUX)
    include(SDL3)
    target_link_libraries(ll::ndof INTERFACE ${NDOF_LIBRARY} ll::SDL3)
  else()
    target_link_libraries(ll::ndof INTERFACE ${NDOF_LIBRARY})
  endif()

  target_compile_definitions(ll::ndof INTERFACE LIB_NDOF=1)
endif (NDOF)