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3rdparty/opencv-4.5.4/modules/highgui/cmake/init.cmake 1.42 KB
f4334277   Hu Chunming   提交3rdparty
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  if(PROJECT_NAME STREQUAL "OpenCV")
    set(ENABLE_PLUGINS_DEFAULT ON)
    if(EMSCRIPTEN OR IOS OR WINRT)
      set(ENABLE_PLUGINS_DEFAULT OFF)
    endif()
    set(HIGHGUI_PLUGIN_LIST "" CACHE STRING "List of GUI backends to be compiled as plugins (gtk, gtk2/gtk3, qt, win32 or special value 'all')")
    set(HIGHGUI_ENABLE_PLUGINS "${ENABLE_PLUGINS_DEFAULT}" CACHE BOOL "Allow building and using of GUI plugins")
    mark_as_advanced(HIGHGUI_PLUGIN_LIST HIGHGUI_ENABLE_PLUGINS)
  
    string(REPLACE "," ";" HIGHGUI_PLUGIN_LIST "${HIGHGUI_PLUGIN_LIST}")  # support comma-separated list (,) too
    if(NOT HIGHGUI_ENABLE_PLUGINS)
      if(HIGHGUI_PLUGIN_LIST)
        message(WARNING "HighGUI: plugins are disabled through HIGHGUI_ENABLE_PLUGINS, so HIGHGUI_PLUGIN_LIST='${HIGHGUI_PLUGIN_LIST}' is ignored")
        set(HIGHGUI_PLUGIN_LIST "")
      endif()
    else()
      # Make virtual plugins target
      if(NOT TARGET opencv_highgui_plugins)
        add_custom_target(opencv_highgui_plugins ALL)
      endif()
    endif()
  endif()
  
  #
  # Detect available dependencies
  #
  
  if(NOT PROJECT_NAME STREQUAL "OpenCV")
    include(FindPkgConfig)
  endif()
  
  macro(add_backend backend_id cond_var)
    if(${cond_var})
      include("${CMAKE_CURRENT_LIST_DIR}/detect_${backend_id}.cmake")
    endif()
  endmacro()
  
  add_backend("gtk" WITH_GTK)
  add_backend("win32ui" WITH_WIN32UI)
  # TODO cocoa
  # TODO qt
  # TODO opengl
  
  # FIXIT: move content of cmake/OpenCVFindLibsGUI.cmake here (need to resolve CMake scope issues)