Squashed 'cmake/' content from commit 2d25566
git-subtree-dir: cmake git-subtree-split: 2d25566a1c5162ce3fd6bfc268d5665de182af89
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Ryan Pavlik
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FindOpenCV.cmake
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233
FindOpenCV.cmake
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# - Try to find OpenCV library installation
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# See http://sourceforge.net/projects/opencvlibrary/
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#
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# The following variable is optionally searched for defaults
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# OPENCV_ROOT_DIR: Base directory of OpenCv tree to use.
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#
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# OPENCV_NEW_LIBRARY_NAMES Set to YES before searching if you want to
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# The following are set after configuration is done:
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# OPENCV_FOUND
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# OPENCV_INCLUDE_DIRS
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# OPENCV_LIBRARIES
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#
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# 2004/05 Jan Woetzel, Friso, Daniel Grest
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# 2006/01 complete rewrite by Jan Woetzel
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# 2006/09 2nd rewrite introducing ROOT_DIR and PATH_SUFFIXES
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# to handle multiple installed versions gracefully by Jan Woetzel
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# 2010/02 Ryan Pavlik (Iowa State University) - partial rewrite to standardize
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#
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# tested with:
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# -OpenCV 0.97 (beta5a): MSVS 7.1, gcc 3.3, gcc 4.1
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# -OpenCV 0.99 (1.0rc1): MSVS 7.1
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#
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# www.mip.informatik.uni-kiel.de/~jw
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# academic.cleardefinition.com
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# --------------------------------
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set(OPENCV_ROOT_DIR
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"${OPENCV_ROOT_DIR}"
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CACHE
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PATH
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"Path to search for OpenCV")
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include(ProgramFilesGlob)
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# typical root dirs of installations, exactly one of them is used
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program_files_glob(_dirs "/OpenCV*/")
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#
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# select exactly ONE OPENCV base directory/tree
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# to avoid mixing different version headers and libs
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#
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find_path(OPENCV_BASE_DIR
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NAMES
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cv/include/cv.h
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include/opencv/cv.h
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include/cv/cv.h
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include/cv.h
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HINTS
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"${OPENCV_ROOT_DIR}"
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"$ENV{OPENCV_ROOT_DIR}"
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Intel(R) Open Source Computer Vision Library_is1;Inno Setup: App Path]"
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${_dirs})
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# header include dir suffixes appended to OPENCV_BASE_DIR
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set(OPENCV_INCDIR_SUFFIXES
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include
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include/cv
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include/opencv
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cv/include
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cxcore/include
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cvaux/include
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otherlibs/cvcam/include
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otherlibs/highgui
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otherlibs/highgui/include
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otherlibs/_graphics/include)
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# library linkdir suffixes appended to OPENCV_BASE_DIR
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set(OPENCV_LIBDIR_SUFFIXES lib lib64 OpenCV/lib otherlibs/_graphics/lib)
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#
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# find incdir for each lib
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#
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find_path(OPENCV_cv_INCLUDE_DIR
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NAMES
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cv.h
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HINTS
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"${OPENCV_BASE_DIR}"
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"${OPENCV_ROOT_DIR}"
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PATH_SUFFIXES
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${OPENCV_INCDIR_SUFFIXES})
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find_path(OPENCV_cxcore_INCLUDE_DIR
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NAMES
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cxcore.h
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HINTS
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"${OPENCV_BASE_DIR}"
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"${OPENCV_ROOT_DIR}"
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PATH_SUFFIXES
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${OPENCV_INCDIR_SUFFIXES})
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find_path(OPENCV_cxcore_INCLUDE_DIR
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NAMES
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cvaux.h
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HINTS
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"${OPENCV_BASE_DIR}"
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"${OPENCV_ROOT_DIR}"
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PATH_SUFFIXES
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${OPENCV_INCDIR_SUFFIXES})
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find_path(OPENCV_highgui_INCLUDE_DIR
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NAMES
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highgui.h
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HINTS
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"${OPENCV_BASE_DIR}"
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"${OPENCV_ROOT_DIR}"
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PATH_SUFFIXES
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${OPENCV_INCDIR_SUFFIXES})
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find_path(OPENCV_cvcam_INCLUDE_DIR
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NAMES
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cvcam.h
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HINTS
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"${OPENCV_BASE_DIR}"
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"${OPENCV_ROOT_DIR}"
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PATH_SUFFIXES
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${OPENCV_INCDIR_SUFFIXES})
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#
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# find sbsolute path to all libraries
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# some are optionally, some may not exist on Linux
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#
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find_library(OPENCV_legacy_LIBRARY
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NAMES
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opencv_legacy
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HINTS
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"${OPENCV_BASE_DIR}"
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"${OPENCV_ROOT_DIR}"
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PATH_SUFFIXES
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${OPENCV_LIBDIR_SUFFIXES})
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set(OPENCV_NEW_COMPONENTS calib3d contrib core features2d highgui imgproc legacy ml objdetect video)
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set(OPENCV_OLD_COMPONENTS cv cvaux cvcam cvhaartraining cxcore cxts highgui ml trs)
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set(opencv_components)
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if(OPENCV_NEW_LIBRARY_NAMES OR OPENCV_legacy_LIBRARY)
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# New-style library names
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foreach(component ${OPENCV_NEW_COMPONENTS})
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find_library(OPENCV_${component}_LIBRARY
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NAMES
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opencv_${component}
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HINTS
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${OPENCV_BASE_DIR}
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PATH_SUFFIXES
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${OPENCV_LIBDIR_SUFFIXES})
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endforeach()
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# cv components with header and library if COMPONENTS unspecified
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if(NOT OpenCV_FIND_COMPONENTS)
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# default
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set(opencv_components core legacy imgproc highgui)
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if(WIN32)
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list(APPEND opencv_components video) # WIN32 only actually
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endif()
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else()
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# TODO: clean up/convert to new components
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string(TOLOWER "${OpenCV_FIND_COMPONENTS}" opencv_components)
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endif()
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else()
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# Old-style lib names
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if(NOT OpenCV_FIND_COMPONENTS)
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# default
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set(opencv_components cv cxcore cvaux highgui)
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if(WIN32)
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list(APPEND opencv_components cvcam) # WIN32 only actually
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endif()
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else()
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string(TOLOWER "${OpenCV_FIND_COMPONENTS}" opencv_components)
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endif()
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foreach(component ${OPENCV_OLD_COMPONENTS})
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find_library(OPENCV_${component}_LIBRARY
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NAMES
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cvaux
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HINTS
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${OPENCV_BASE_DIR}
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PATH_SUFFIXES
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${OPENCV_LIBDIR_SUFFIXES})
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endforeach()
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endif()
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#
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# Logic selecting required libs and headers
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#
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set(_req_check)
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set(_req_libs)
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set(_req_includes)
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foreach(component ${opencv_components})
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#message(STATUS "Component requested: ${component}")
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# only good if header and library both found
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list(APPEND
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_req_check
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OPENCV_${component}_LIBRARY)
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list(APPEND _req_libs "${OPENCV_${component}_LIBRARY}")
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if(DEFINED OPENCV_${component}_INCLUDE_DIR)
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list(APPEND
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_req_check
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OPENCV_${component}_INCLUDE_DIR)
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list(APPEND _req_includes "${OPENCV_${component}_INCLUDE_DIR}")
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endif()
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endforeach()
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# handle the QUIETLY and REQUIRED arguments and set xxx_FOUND to TRUE if
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# all listed variables are TRUE
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(OpenCV
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DEFAULT_MSG
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OPENCV_cv_INCLUDE_DIR
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${_req_check})
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if(OPENCV_FOUND)
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set(OPENCV_LIBRARY_DIRS)
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foreach(lib ${_req_libs})
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get_filename_component(dir "${lib}" PATH)
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list(APPEND OPENCV_LIBRARY_DIRS "${dir}")
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endforeach()
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list(REVERSE OPENCV_LIBRARY_DIRS)
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list(REMOVE_DUPLICATES OPENCV_LIBRARY_DIRS)
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list(REVERSE OPENCV_LIBRARY_DIRS)
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set(OPENCV_INCLUDE_DIRS ${_req_includes})
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set(OPENCV_LIBRARIES ${_req_libs})
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mark_as_advanced(OPENCV_ROOT_DIR)
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endif()
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mark_as_advanced(OPENCV_BASE_DIR)
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foreach(component ${OPENCV_NEW_COMPONENTS} ${OPENCV_OLD_COMPONENTS})
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mark_as_advanced(OPENCV_${component}_LIBRARY OPENCV_${component}_INCLUDE_DIR)
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endforeach()
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