vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

modules/dnn/cmake/init.cmake

@@ -0,0 +1,29 @@
+if(PROJECT_NAME STREQUAL "OpenCV")
+  set(ENABLE_PLUGINS_DEFAULT ON)
+  if(EMSCRIPTEN OR IOS OR WINRT)
+    set(ENABLE_PLUGINS_DEFAULT OFF)
+  endif()
+  set(DNN_PLUGIN_LIST "" CACHE STRING "List of DNN backends to be compiled as plugins (openvino, etc or special value 'all')")
+  set(DNN_ENABLE_PLUGINS "${ENABLE_PLUGINS_DEFAULT}" CACHE BOOL "Allow building and using of DNN plugins")
+  mark_as_advanced(DNN_PLUGIN_LIST DNN_ENABLE_PLUGINS)
+
+  string(REPLACE "," ";" DNN_PLUGIN_LIST "${DNN_PLUGIN_LIST}")  # support comma-separated list (,) too
+  string(TOLOWER "${DNN_PLUGIN_LIST}" DNN_PLUGIN_LIST)
+  if(NOT DNN_ENABLE_PLUGINS)
+    if(DNN_PLUGIN_LIST)
+      message(WARNING "DNN: plugins are disabled through DNN_ENABLE_PLUGINS, so DNN_PLUGIN_LIST='${DNN_PLUGIN_LIST}' is ignored")
+      set(DNN_PLUGIN_LIST "")
+    endif()
+  else()
+    # Make virtual plugins target
+    if(NOT TARGET opencv_dnn_plugins)
+      add_custom_target(opencv_dnn_plugins ALL)
+    endif()
+  endif()
+endif()
+
+#
+# Detect available dependencies
+#
+
+# OpenVINO - detected by main CMake scripts (shared with G-API)