forked from ray/RobotKernal-UESTC
87 lines
2.4 KiB
CMake
87 lines
2.4 KiB
CMake
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#[==============================================[
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FindOpenCVPkg
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-----------
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Searching OpenCV components on systems which does not have fully installed OpenCV.
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Such systems does not include OpenCVConfig.cmake and OpenCVConfigVersion.cmake files.
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Example of such system is Ubuntu 18.04.
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This package try to use OpenCV config file first if it exists.
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#]==============================================]
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if (${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS)
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set(comps ${${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS})
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else()
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set(comps)
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endif()
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list(LENGTH comps comps_count)
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message(STATUS "Components requested: ${comps}")
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# Try to find components using standard OpenCV config package
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if(comps_count GREATER 0)
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find_package(OpenCV QUIET
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COMPONENTS ${comps}
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)
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if(OpenCV_FOUND)
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set(OpenCVPkg_FOUND TRUE)
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return()
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endif()
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else()
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find_package(OpenCV QUIET)
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if(OpenCV_FOUND)
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set(OpenCVPkg_FOUND TRUE)
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return()
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endif()
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endif()
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if(comps_count EQUAL 0)
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set(err_level)
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if(${CMAKE_FIND_PACKAGE_NAME}_FIND_REQUIRED)
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set(err_level FATAL_ERROR)
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endif()
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if (${CMAKE_FIND_PACKAGE_NAME}_FIND_QUIETLY)
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set(err_level STATUS)
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endif()
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message(${err_level} "Without standart OpenCV config file you must list components you want")
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return()
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endif()
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unset(required_comps_not_found)
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foreach(comp IN LISTS comps)
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string(REPLACE "opencv_" "" comp_name ${comp})
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set(include_rel_path "opencv2/${comp_name}.hpp" "opencv2/${comp_name}/${comp_name}.hpp")
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find_path(OpenCV_${comp}_INCLUDE_DIR
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NAMES ${include_rel_path}
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)
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find_library(OpenCV_${comp}_LIBRARY
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NAMES ${comp}
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)
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if (${CMAKE_FIND_PACKAGE_NAME}_FIND_REQUIRED_${comp} AND
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(NOT OpenCV_${comp}_INCLUDE_DIR OR NOT OpenCV_${comp}_LIBRARY))
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list(APPEND required_comps_not_found ${comp})
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else()
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message(STATUS "Found component ${comp}: ${OpenCV_${comp}_LIBRARY}")
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endif()
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endforeach()
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if(required_comps_not_found)
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message(FATAL_ERROR "Following required components not found: ${required_comps_not_found}")
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return()
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endif()
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foreach(comp IN LISTS comps)
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if(NOT TARGET ${comp})
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message(STATUS "No target ${comp} yet. Creating it")
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add_library(${comp}
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UNKNOWN IMPORTED
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)
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set_target_properties(${comp} PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${OpenCV_${comp}_INCLUDE_DIR}
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IMPORTED_LOCATION ${OpenCV_${comp}_LIBRARY}
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)
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endif()
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endforeach()
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set(OpenCVPkg_FOUND TRUE)
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