cmake/CMakeModules/FindOpenCV.cmake

   1 # - Try to find OpenCV library installation\r
   2 # See http://sourceforge.net/projects/opencvlibrary/\r
   3 #\r
   4 # The follwoing variables are optionally searched for defaults\r
   5 #  OpenCV_ROOT_DIR:            Base directory of OpenCv tree to use.\r
   6 #  OpenCV_FIND_REQUIRED_COMPONENTS : FIND_PACKAGE(OpenCV COMPONENTS ..) \r
   7 #    compatible interface. typically  CV CXCORE CVAUX HIGHGUI CVCAM .. etc.\r
   8 #\r
   9 # The following are set after configuration is done: \r
  10 #  OpenCV_FOUND\r
  11 #  OpenCV_INCLUDE_DIR\r
  12 #  OpenCV_LIBRARIES\r
  13 #  OpenCV_LINK_DIRECTORIES\r
  14 #\r
  15 # deprecated:\r
  16 #  OPENCV_* uppercase replaced by case sensitive OpenCV_*\r
  17 #  OPENCV_EXE_LINKER_FLAGS\r
  18 #  OPENCV_INCLUDE_DIR : replaced by plural *_DIRS\r
  19 # \r
  20 # 2004/05 Jan Woetzel, Friso, Daniel Grest \r
  21 # 2006/01 complete rewrite by Jan Woetzel\r
  22 # 1006/09 2nd rewrite introducing ROOT_DIR and PATH_SUFFIXES \r
  23 #   to handle multiple installed versions gracefully by Jan Woetzel\r
  24 #\r
  25 # tested with:\r
  26 # -OpenCV 0.97 (beta5a):  MSVS 7.1, gcc 3.3, gcc 4.1\r
  27 # -OpenCV 0.99 (1.0rc1):  MSVS 7.1\r
  28 #\r
  29 # www.mip.informatik.uni-kiel.de/~jw\r
  30 # --------------------------------\r
  31 \r
  32 \r
  33 MACRO(DBG_MSG _MSG)\r
  34   #  MESSAGE(STATUS "${CMAKE_CURRENT_LIST_FILE}(${CMAKE_CURRENT_LIST_LINE}):\n${_MSG}")\r
  35 ENDMACRO(DBG_MSG)\r
  36 \r
  37 \r
  38 \r
  39 # required cv components with header and library if COMPONENTS unspecified\r
  40 IF    (NOT OpenCV_FIND_COMPONENTS)\r
  41   # default\r
  42   SET(OpenCV_FIND_REQUIRED_COMPONENTS   CV CXCORE CVAUX HIGHGUI )\r
  43   IF   (WIN32)\r
  44     LIST(APPEND OpenCV_FIND_REQUIRED_COMPONENTS  CVCAM ) # WIN32 only actually\r
  45   ENDIF(WIN32)  \r
  46 ENDIF (NOT OpenCV_FIND_COMPONENTS)\r
  47 \r
  48 \r
  49 # typical root dirs of installations, exactly one of them is used\r
  50 SET (OpenCV_POSSIBLE_ROOT_DIRS\r
  51   "${OpenCV_ROOT_DIR}"\r
  52   "$ENV{OpenCV_ROOT_DIR}"  \r
  53   "$ENV{OPENCV_DIR}"  # only for backward compatibility deprecated by ROOT_DIR\r
  54   "$ENV{OPENCV_HOME}" # only for backward compatibility\r
  55   "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Intel(R) Open Source Computer Vision Library_is1;Inno Setup: App Path]"\r
  56   "$ENV{ProgramFiles}/OpenCV"\r
  57   /usr/local\r
  58   /usr\r
  59   )\r
  60 \r
  61 \r
  62 # MIP Uni Kiel /opt/net network installation \r
  63 # get correct prefix for current gcc compiler version for gcc 3.x  4.x\r
  64 IF    (${CMAKE_COMPILER_IS_GNUCXX})\r
  65   IF    (NOT OpenCV_FIND_QUIETLY)\r
  66     MESSAGE(STATUS "Checking GNUCXX version 3/4 to determine  OpenCV /opt/net/ path")\r
  67   ENDIF (NOT OpenCV_FIND_QUIETLY)\r
  68   EXEC_PROGRAM(${CMAKE_CXX_COMPILER} ARGS --version OUTPUT_VARIABLE CXX_COMPILER_VERSION)  \r
  69   IF   (CXX_COMPILER_VERSION MATCHES ".*3\\.[0-9].*")\r
  70     SET(IS_GNUCXX3 TRUE)\r
  71     LIST(APPEND OpenCV_POSSIBLE_ROOT_DIRS /opt/net/gcc33/OpenCV )\r
  72   ENDIF(CXX_COMPILER_VERSION MATCHES ".*3\\.[0-9].*")  \r
  73   IF   (CXX_COMPILER_VERSION MATCHES ".*4\\.[0-9].*")\r
  74     SET(IS_GNUCXX4 TRUE)\r
  75     LIST(APPEND OpenCV_POSSIBLE_ROOT_DIRS /opt/net/gcc41/OpenCV )\r
  76   ENDIF(CXX_COMPILER_VERSION MATCHES ".*4\\.[0-9].*")\r
  77 ENDIF (${CMAKE_COMPILER_IS_GNUCXX})\r
  78 \r
  79 #DBG_MSG("DBG (OpenCV_POSSIBLE_ROOT_DIRS=${OpenCV_POSSIBLE_ROOT_DIRS}")\r
  80 \r
  81 #\r
  82 # select exactly ONE OpenCV base directory/tree \r
  83 # to avoid mixing different version headers and libs\r
  84 #\r
  85 FIND_PATH(OpenCV_ROOT_DIR \r
  86   NAMES \r
  87   cv/include/cv.h     # windows\r
  88   include/opencv/cv.h # linux /opt/net\r
  89   include/cv/cv.h \r
  90   include/cv.h \r
  91   PATHS ${OpenCV_POSSIBLE_ROOT_DIRS})\r
  92 DBG_MSG("OpenCV_ROOT_DIR=${OpenCV_ROOT_DIR}")\r
  93 \r
  94 \r
  95 # header include dir suffixes appended to OpenCV_ROOT_DIR\r
  96 SET(OpenCV_INCDIR_SUFFIXES\r
  97   include\r
  98   include/cv\r
  99   include/opencv\r
 100   cv/include\r
 101   cxcore/include\r
 102   cvaux/include\r
 103   otherlibs/cvcam/include\r
 104   otherlibs/highgui\r
 105   otherlibs/highgui/include\r
 106   otherlibs/_graphics/include\r
 107   )\r
 108 \r
 109 # library linkdir suffixes appended to OpenCV_ROOT_DIR \r
 110 SET(OpenCV_LIBDIR_SUFFIXES\r
 111   lib\r
 112   OpenCV/lib\r
 113   otherlibs/_graphics/lib\r
 114   )\r
 115 #DBG_MSG("OpenCV_LIBDIR_SUFFIXES=${OpenCV_LIBDIR_SUFFIXES}")\r
 116 \r
 117 \r
 118 #\r
 119 # find incdir for each lib\r
 120 #\r
 121 FIND_PATH(OpenCV_CV_INCLUDE_DIR\r
 122   NAMES cv.h      \r
 123   PATHS ${OpenCV_ROOT_DIR} \r
 124   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )\r
 125 FIND_PATH(OpenCV_CXCORE_INCLUDE_DIR   \r
 126   NAMES cxcore.h\r
 127   PATHS ${OpenCV_ROOT_DIR} \r
 128   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )\r
 129 FIND_PATH(OpenCV_CVAUX_INCLUDE_DIR    \r
 130   NAMES cvaux.h\r
 131   PATHS ${OpenCV_ROOT_DIR} \r
 132   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )\r
 133 FIND_PATH(OpenCV_HIGHGUI_INCLUDE_DIR  \r
 134   NAMES highgui.h \r
 135   PATHS ${OpenCV_ROOT_DIR} \r
 136   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )\r
 137 FIND_PATH(OpenCV_CVCAM_INCLUDE_DIR    \r
 138   NAMES cvcam.h \r
 139   PATHS ${OpenCV_ROOT_DIR} \r
 140   PATH_SUFFIXES ${OpenCV_INCDIR_SUFFIXES} )\r
 141 \r
 142 #\r
 143 # find sbsolute path to all libraries \r
 144 # some are optionally, some may not exist on Linux\r
 145 #\r
 146 FIND_LIBRARY(OpenCV_CV_LIBRARY   \r
 147   NAMES cv opencv\r
 148   PATHS ${OpenCV_ROOT_DIR}  \r
 149   PATH_SUFFIXES  ${OpenCV_LIBDIR_SUFFIXES} )\r
 150 FIND_LIBRARY(OpenCV_CVAUX_LIBRARY\r
 151   NAMES cvaux\r
 152   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )\r
 153 FIND_LIBRARY(OpenCV_CVCAM_LIBRARY   \r
 154   NAMES cvcam\r
 155   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} ) \r
 156 FIND_LIBRARY(OpenCV_CVHAARTRAINING_LIBRARY\r
 157   NAMES cvhaartraining\r
 158   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} ) \r
 159 FIND_LIBRARY(OpenCV_CXCORE_LIBRARY  \r
 160   NAMES cxcore\r
 161   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )\r
 162 FIND_LIBRARY(OpenCV_CXTS_LIBRARY   \r
 163   NAMES cxts\r
 164   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )\r
 165 FIND_LIBRARY(OpenCV_HIGHGUI_LIBRARY  \r
 166   NAMES highgui\r
 167   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )\r
 168 FIND_LIBRARY(OpenCV_ML_LIBRARY  \r
 169   NAMES ml\r
 170   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )\r
 171 FIND_LIBRARY(OpenCV_TRS_LIBRARY  \r
 172   NAMES trs\r
 173   PATHS ${OpenCV_ROOT_DIR}  PATH_SUFFIXES ${OpenCV_LIBDIR_SUFFIXES} )\r
 174 \r
 175 \r
 176 \r
 177 #\r
 178 # Logic selecting required libs and headers\r
 179 #\r
 180 SET(OpenCV_FOUND ON)\r
 181 DBG_MSG("OpenCV_FIND_REQUIRED_COMPONENTS=${OpenCV_FIND_REQUIRED_COMPONENTS}")\r
 182 FOREACH(NAME ${OpenCV_FIND_REQUIRED_COMPONENTS} )\r
 183 \r
 184   # only good if header and library both found   \r
 185   IF    (OpenCV_${NAME}_INCLUDE_DIR AND OpenCV_${NAME}_LIBRARY)\r
 186     LIST(APPEND OpenCV_INCLUDE_DIRS ${OpenCV_${NAME}_INCLUDE_DIR} )\r
 187     LIST(APPEND OpenCV_LIBRARIES    ${OpenCV_${NAME}_LIBRARY} )\r
 188     #DBG_MSG("appending for NAME=${NAME} ${OpenCV_${NAME}_INCLUDE_DIR} and ${OpenCV_${NAME}_LIBRARY}" )\r
 189   ELSE  (OpenCV_${NAME}_INCLUDE_DIR AND OpenCV_${NAME}_LIBRARY)\r
 190     DBG_MSG("OpenCV component NAME=${NAME} not found! "\r
 191       "\nOpenCV_${NAME}_INCLUDE_DIR=${OpenCV_${NAME}_INCLUDE_DIR} "\r
 192       "\nOpenCV_${NAME}_LIBRARY=${OpenCV_${NAME}_LIBRARY} ")\r
 193     SET(OpenCV_FOUND OFF)\r
 194   ENDIF (OpenCV_${NAME}_INCLUDE_DIR AND OpenCV_${NAME}_LIBRARY)\r
 195   \r
 196 ENDFOREACH(NAME)\r
 197 \r
 198 DBG_MSG("OpenCV_INCLUDE_DIRS=${OpenCV_INCLUDE_DIRS}")\r
 199 DBG_MSG("OpenCV_LIBRARIES=${OpenCV_LIBRARIES}")\r
 200 \r
 201 # get the link directory for rpath to be used with LINK_DIRECTORIES: \r
 202 IF    (OpenCV_CV_LIBRARY)\r
 203   GET_FILENAME_COMPONENT(OpenCV_LINK_DIRECTORIES ${OpenCV_CV_LIBRARY} PATH)\r
 204 ENDIF (OpenCV_CV_LIBRARY)\r
 205 \r
 206 MARK_AS_ADVANCED(\r
 207   OpenCV_ROOT_DIR\r
 208   OpenCV_INCLUDE_DIRS\r
 209   OpenCV_CV_INCLUDE_DIR\r
 210   OpenCV_CXCORE_INCLUDE_DIR\r
 211   OpenCV_CVAUX_INCLUDE_DIR\r
 212   OpenCV_CVCAM_INCLUDE_DIR\r
 213   OpenCV_HIGHGUI_INCLUDE_DIR\r
 214   OpenCV_LIBRARIES\r
 215   OpenCV_CV_LIBRARY\r
 216   OpenCV_CXCORE_LIBRARY\r
 217   OpenCV_CVAUX_LIBRARY\r
 218   OpenCV_CVCAM_LIBRARY\r
 219   OpenCV_CVHAARTRAINING_LIBRARY\r
 220   OpenCV_CXTS_LIBRARY\r
 221   OpenCV_HIGHGUI_LIBRARY\r
 222   OpenCV_ML_LIBRARY\r
 223   OpenCV_TRS_LIBRARY\r
 224   )\r
 225 \r
 226 \r
 227 # be backward compatible:\r
 228 SET(OPENCV_LIBRARIES   ${OpenCV_LIBRARIES} )\r
 229 SET(OPENCV_INCLUDE_DIR ${OpenCV_INCLUDE_DIRS} )\r
 230 SET(OPENCV_FOUND       ${OpenCV_FOUND})\r
 231 \r
 232 \r
 233 \r
 234 # display help message\r
 235 IF(NOT OpenCV_FOUND)\r
 236   # make FIND_PACKAGE friendly\r
 237   IF(NOT OpenCV_FIND_QUIETLY)\r
 238     IF(OpenCV_FIND_REQUIRED)\r
 239       MESSAGE(FATAL_ERROR\r
 240         "OpenCV required but some headers or libs not found. Please specify it's location with OpenCV_ROOT_DIR env. variable.")\r
 241     ELSE(OpenCV_FIND_REQUIRED)\r
 242       MESSAGE(STATUS \r
 243         "ERROR: OpenCV was not found.")\r
 244     ENDIF(OpenCV_FIND_REQUIRED)\r
 245   ENDIF(NOT OpenCV_FIND_QUIETLY)\r
 246 ENDIF(NOT OpenCV_FOUND)\r