247 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			CMake
		
	
	
			
		
		
	
	
			247 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			CMake
		
	
	
| # - 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 follwoing variables are optionally searched for defaults
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| #  OpenCV_ROOT_DIR:            Base directory of OpenCv tree to use.
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| #  OpenCV_FIND_REQUIRED_COMPONENTS : FIND_PACKAGE(OpenCV COMPONENTS ..) 
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| #    compatible interface. typically  CV CXCORE CVAUX HIGHGUI CVCAM .. etc.
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| #
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| # The following are set after configuration is done: 
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| #  OpenCV_FOUND
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| #  OpenCV_INCLUDE_DIR
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| #  OpenCV_LIBRARIES
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| #  OpenCV_LINK_DIRECTORIES
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| #
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| # deprecated:
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| #  OPENCV_* uppercase replaced by case sensitive OpenCV_*
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| #  OPENCV_EXE_LINKER_FLAGS
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| #  OPENCV_INCLUDE_DIR : replaced by plural *_DIRS
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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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| # 1006/09 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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| #
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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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| # --------------------------------
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| 
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| 
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| MACRO(DBG_MSG _MSG)
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|   #  MESSAGE(STATUS "${CMAKE_CURRENT_LIST_FILE}(${CMAKE_CURRENT_LIST_LINE}):\n${_MSG}")
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| ENDMACRO(DBG_MSG)
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| 
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| 
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| 
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| # required cv components with header and library if COMPONENTS unspecified
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| IF    (NOT OpenCV_FIND_COMPONENTS)
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|   # default
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|   SET(OpenCV_FIND_REQUIRED_COMPONENTS   CV CXCORE CVAUX HIGHGUI )
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|   IF   (WIN32)
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|     LIST(APPEND OpenCV_FIND_REQUIRED_COMPONENTS  CVCAM ) # WIN32 only actually
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|   ENDIF(WIN32)  
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| ENDIF (NOT OpenCV_FIND_COMPONENTS)
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| 
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| 
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| # typical root dirs of installations, exactly one of them is used
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| SET (OpenCV_POSSIBLE_ROOT_DIRS
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|   "${OpenCV_ROOT_DIR}"
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|   "$ENV{OpenCV_ROOT_DIR}"  
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|   "$ENV{OPENCV_DIR}"  # only for backward compatibility deprecated by ROOT_DIR
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|   "$ENV{OPENCV_HOME}" # only for backward compatibility
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|   "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Intel(R) Open Source Computer Vision Library_is1;Inno Setup: App Path]"
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|   "$ENV{ProgramFiles}/OpenCV"
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|   /usr/local
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|   /usr
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|   )
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| 
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| 
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| # MIP Uni Kiel /opt/net network installation 
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| # get correct prefix for current gcc compiler version for gcc 3.x  4.x
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| IF    (${CMAKE_COMPILER_IS_GNUCXX})
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|   IF    (NOT OpenCV_FIND_QUIETLY)
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|     MESSAGE(STATUS "Checking GNUCXX version 3/4 to determine  OpenCV /opt/net/ path")
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|   ENDIF (NOT OpenCV_FIND_QUIETLY)
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|   EXEC_PROGRAM(${CMAKE_CXX_COMPILER} ARGS --version OUTPUT_VARIABLE CXX_COMPILER_VERSION)  
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|   IF   (CXX_COMPILER_VERSION MATCHES ".*3\\.[0-9].*")
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|     SET(IS_GNUCXX3 TRUE)
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|     LIST(APPEND OpenCV_POSSIBLE_ROOT_DIRS /opt/net/gcc33/OpenCV )
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|   ENDIF(CXX_COMPILER_VERSION MATCHES ".*3\\.[0-9].*")  
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|   IF   (CXX_COMPILER_VERSION MATCHES ".*4\\.[0-9].*")
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|     SET(IS_GNUCXX4 TRUE)
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|     LIST(APPEND OpenCV_POSSIBLE_ROOT_DIRS /opt/net/gcc41/OpenCV )
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|   ENDIF(CXX_COMPILER_VERSION MATCHES ".*4\\.[0-9].*")
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| ENDIF (${CMAKE_COMPILER_IS_GNUCXX})
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| 
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| #DBG_MSG("DBG (OpenCV_POSSIBLE_ROOT_DIRS=${OpenCV_POSSIBLE_ROOT_DIRS}")
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| 
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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_ROOT_DIR 
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|   NAMES 
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|   cv/include/cv.h     # windows
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|   include/opencv/cv.h # linux /opt/net
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|   include/cv/cv.h 
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|   include/cv.h 
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|   PATHS ${OpenCV_POSSIBLE_ROOT_DIRS})
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| DBG_MSG("OpenCV_ROOT_DIR=${OpenCV_ROOT_DIR}")
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| 
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| 
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| # header include dir suffixes appended to OpenCV_ROOT_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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|   )
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| 
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| # library linkdir suffixes appended to OpenCV_ROOT_DIR 
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| SET(OpenCV_LIBDIR_SUFFIXES
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|   lib
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|   OpenCV/lib
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|   otherlibs/_graphics/lib
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|   )
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| #DBG_MSG("OpenCV_LIBDIR_SUFFIXES=${OpenCV_LIBDIR_SUFFIXES}")
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| 
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| 
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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 cv.h      
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|   PATHS ${OpenCV_ROOT_DIR} 
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|   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )
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| FIND_PATH(OpenCV_CXCORE_INCLUDE_DIR   
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|   NAMES cxcore.h
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|   PATHS ${OpenCV_ROOT_DIR} 
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|   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )
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| FIND_PATH(OpenCV_CVAUX_INCLUDE_DIR    
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|   NAMES cvaux.h
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|   PATHS ${OpenCV_ROOT_DIR} 
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|   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )
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| FIND_PATH(OpenCV_HIGHGUI_INCLUDE_DIR  
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|   NAMES highgui.h 
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|   PATHS ${OpenCV_ROOT_DIR} 
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|   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )
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| FIND_PATH(OpenCV_CVCAM_INCLUDE_DIR    
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|   NAMES cvcam.h 
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|   PATHS ${OpenCV_ROOT_DIR} 
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|   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )
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| 
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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_CV_LIBRARY   
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|   NAMES cv opencv
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|   PATHS ${OpenCV_ROOT_DIR}  
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|   PATH_SUFFIXES  ${OpenCV_LIBDIR_SUFFIXES} )
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| FIND_LIBRARY(OpenCV_CVAUX_LIBRARY
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|   NAMES cvaux
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
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| FIND_LIBRARY(OpenCV_CVCAM_LIBRARY   
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|   NAMES cvcam
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} ) 
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| FIND_LIBRARY(OpenCV_CVHAARTRAINING_LIBRARY
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|   NAMES cvhaartraining
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} ) 
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| FIND_LIBRARY(OpenCV_CXCORE_LIBRARY  
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|   NAMES cxcore
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
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| FIND_LIBRARY(OpenCV_CXTS_LIBRARY   
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|   NAMES cxts
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
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| FIND_LIBRARY(OpenCV_HIGHGUI_LIBRARY  
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|   NAMES highgui
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
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| FIND_LIBRARY(OpenCV_ML_LIBRARY  
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|   NAMES ml
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
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| FIND_LIBRARY(OpenCV_TRS_LIBRARY  
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|   NAMES trs
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|   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )
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| 
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| 
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| 
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| #
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| # Logic selecting required libs and headers
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| #
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| SET(OpenCV_FOUND ON)
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| DBG_MSG("OpenCV_FIND_REQUIRED_COMPONENTS=${OpenCV_FIND_REQUIRED_COMPONENTS}")
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| FOREACH(NAME ${OpenCV_FIND_REQUIRED_COMPONENTS} )
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| 
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|   # only good if header and library both found   
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|   IF    (OpenCV_${NAME}_INCLUDE_DIR AND OpenCV_${NAME}_LIBRARY)
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|     LIST(APPEND OpenCV_INCLUDE_DIRS ${OpenCV_${NAME}_INCLUDE_DIR} )
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|     LIST(APPEND OpenCV_LIBRARIES    ${OpenCV_${NAME}_LIBRARY} )
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|     #DBG_MSG("appending for NAME=${NAME} ${OpenCV_${NAME}_INCLUDE_DIR} and ${OpenCV_${NAME}_LIBRARY}" )
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|   ELSE  (OpenCV_${NAME}_INCLUDE_DIR AND OpenCV_${NAME}_LIBRARY)
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|     DBG_MSG("OpenCV component NAME=${NAME} not found! "
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|       "\nOpenCV_${NAME}_INCLUDE_DIR=${OpenCV_${NAME}_INCLUDE_DIR} "
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|       "\nOpenCV_${NAME}_LIBRARY=${OpenCV_${NAME}_LIBRARY} ")
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|     SET(OpenCV_FOUND OFF)
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|   ENDIF (OpenCV_${NAME}_INCLUDE_DIR AND OpenCV_${NAME}_LIBRARY)
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|   
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| ENDFOREACH(NAME)
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| 
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| DBG_MSG("OpenCV_INCLUDE_DIRS=${OpenCV_INCLUDE_DIRS}")
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| DBG_MSG("OpenCV_LIBRARIES=${OpenCV_LIBRARIES}")
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| 
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| # get the link directory for rpath to be used with LINK_DIRECTORIES: 
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| IF    (OpenCV_CV_LIBRARY)
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|   GET_FILENAME_COMPONENT(OpenCV_LINK_DIRECTORIES ${OpenCV_CV_LIBRARY} PATH)
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| ENDIF (OpenCV_CV_LIBRARY)
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| 
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| MARK_AS_ADVANCED(
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|   OpenCV_ROOT_DIR
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|   OpenCV_INCLUDE_DIRS
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|   OpenCV_CV_INCLUDE_DIR
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|   OpenCV_CXCORE_INCLUDE_DIR
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|   OpenCV_CVAUX_INCLUDE_DIR
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|   OpenCV_CVCAM_INCLUDE_DIR
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|   OpenCV_HIGHGUI_INCLUDE_DIR
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|   OpenCV_LIBRARIES
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|   OpenCV_CV_LIBRARY
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|   OpenCV_CXCORE_LIBRARY
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|   OpenCV_CVAUX_LIBRARY
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|   OpenCV_CVCAM_LIBRARY
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|   OpenCV_CVHAARTRAINING_LIBRARY
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|   OpenCV_CXTS_LIBRARY
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|   OpenCV_HIGHGUI_LIBRARY
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|   OpenCV_ML_LIBRARY
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|   OpenCV_TRS_LIBRARY
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|   )
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| 
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| 
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| # be backward compatible:
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| SET(OPENCV_LIBRARIES   ${OpenCV_LIBRARIES} )
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| SET(OPENCV_INCLUDE_DIR ${OpenCV_INCLUDE_DIRS} )
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| SET(OPENCV_FOUND       ${OpenCV_FOUND})
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| 
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| 
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| 
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| # display help message
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| IF(NOT OpenCV_FOUND)
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|   # make FIND_PACKAGE friendly
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|   IF(NOT OpenCV_FIND_QUIETLY)
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|     IF(OpenCV_FIND_REQUIRED)
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|       MESSAGE(FATAL_ERROR
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|         "OpenCV required but some headers or libs not found. Please specify it's location with OpenCV_ROOT_DIR env. variable.")
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|     ELSE(OpenCV_FIND_REQUIRED)
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|       MESSAGE(STATUS 
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|         "ERROR: OpenCV was not found.")
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|     ENDIF(OpenCV_FIND_REQUIRED)
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|   ENDIF(NOT OpenCV_FIND_QUIETLY)
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| ENDIF(NOT OpenCV_FOUND)
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