init - 初始化项目

modules/gapi/cmake/init.cmake

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+OCV_OPTION(WITH_ADE "Enable ADE framework (required for Graph API module)" ON)
+
+OCV_OPTION(WITH_FREETYPE "Enable FreeType framework" OFF)
+OCV_OPTION(WITH_PLAIDML  "Include PlaidML2 support"  OFF)
+
+if(NOT WITH_ADE)
+  return()
+endif()
+
+if(ade_DIR)
+  # if ade_DIR is set, use ADE-supplied CMake script
+  # to set up variables to the prebuilt ADE
+  find_package(ade 0.1.0)
+endif()
+
+if(NOT TARGET ade)
+  # if ade_DIR is not set, try to use automatically
+  # downloaded one (if there any)
+  include("${CMAKE_CURRENT_LIST_DIR}/DownloadADE.cmake")
+endif()
+
+if(WITH_FREETYPE)
+  ocv_check_modules(FREETYPE freetype2)
+  if (FREETYPE_FOUND)
+      set(HAVE_FREETYPE TRUE)
+  endif()
+endif()
+
+if(WITH_PLAIDML)
+  find_package(PlaidML2 CONFIG QUIET)
+  if (PLAIDML_FOUND)
+      set(HAVE_PLAIDML TRUE)
+  endif()
+endif()