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BASIS
version 1.2.3 (revision 2104)
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FindOpenCV.cmake
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00001 ############################################################################## 00002 # @file FindOpenCV.cmake 00003 # @brief Find OpenCV Library (http://sourceforge.net/projects/opencvlibrary/) 00004 # 00005 # @par 1. Setup 00006 # 00007 # The following variables are optionally searched for defaults 00008 # OpenCV_DIR: Base directory of OpenCv tree to use. 00009 # 00010 # @par 2. Variable 00011 # 00012 # The following are set after configuration is done: 00013 # 00014 # - OpenCV_FOUND 00015 # - OpenCV_LIBS 00016 # - OpenCV_INCLUDE_DIR 00017 # - OpenCV_VERSION (OpenCV_VERSION_MAJOR, OpenCV_VERSION_MINOR, OpenCV_VERSION_PATCH) 00018 # 00019 # 00020 # The following variables are used to maintain compatibility with other 00021 # Find<Pkg>.cmake modules, including the FindOpenCV.cmake module of 00022 # of Jan Woetzel (2006/09, www.mip.informatik.uni-kiel.de/~jw): 00023 # - OpenCV_INCLUDE_DIRS 00024 # - OpenCV_LIBRARIES 00025 # - OpenCV_LINK_DIRECTORIES 00026 # 00027 # @par 3. Version 00028 # 00029 # 2012/02/28 Andreas Schuh, Reimplemented module to work also for OpenCV 1.x. 00030 # 2010/04/07 Benoit Rat, Correct a bug when OpenCVConfig.cmake is not found. 00031 # 2010/03/24 Benoit Rat, Add compatibility for when OpenCVConfig.cmake is not found. 00032 # 2010/03/22 Benoit Rat, Creation of the script. 00033 # 00034 # 00035 # tested with: 00036 # - OpenCV 2.1: MinGW, MSVC2008 00037 # - OpenCV 2.0: MinGW, MSVC2008, GCC4 00038 # 00039 # @par 4. Licence 00040 # 00041 # LGPL 2.1 : GNU Lesser General Public License Usage 00042 # Alternatively, this file may be used under the terms of the GNU Lesser 00043 # 00044 # General Public License version 2.1 as published by the Free Software 00045 # Foundation and appearing in the file LICENSE.LGPL included in the 00046 # packaging of this file. Please review the following information to 00047 # ensure the GNU Lesser General Public License version 2.1 requirements 00048 # will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00049 ############################################################################## 00050 00051 # ---------------------------------------------------------------------------- 00052 # initialize search 00053 set (OpenCV_FOUND FALSE) 00054 00055 if (NOT OpenCV_DIR) 00056 if (DEFINED ENV{OpenCV_DIR}) 00057 set (OpenCV_DIR "$ENV{OpenCV_DIR}" CACHE PATH "Installation prefix of OpenCV Library." FORCE) 00058 elseif (DEFINED ENV{OPENCV_DIR}) 00059 set (OpenCV_DIR "$ENV{OPENCV_DIR}" CACHE PATH "Installation prefix of OpenCV Library." FORCE) 00060 else () 00061 find_path ( 00062 OpenCV_DIR "OpenCVConfig.cmake" 00063 DOC "Directory containing OpenCVConfig.cmake file or installation prefix of OpenCV." 00064 ) 00065 endif () 00066 endif () 00067 00068 set (OpenCV_LIBS) # found libraries 00069 set (OpenCV_COMPONENTS_REQUIRED) # requested components 00070 set (OpenCV_LIB_COMPONENTS) # found components 00071 set (OpenCV_VERSION) # found version 00072 00073 # ---------------------------------------------------------------------------- 00074 # find headers and libraries 00075 if (EXISTS "${OpenCV_DIR}") 00076 00077 # -------------------------------------------------------------------------- 00078 # OpenCV 2 00079 if (EXISTS "${OpenCV_DIR}/OpenCVConfig.cmake") 00080 00081 include ("${OpenCV_DIR}/OpenCVConfig.cmake") 00082 00083 foreach (__CVLIB IN LISTS OpenCV_COMPONENTS) 00084 if (NOT __CVLIB MATCHES "^opencv_") 00085 set (__CVLIB "opencv_${__CVLIB}") 00086 endif () 00087 list (APPEND OpenCV_COMPONENTS_REQUIRED "${__CVLIB}") 00088 endforeach () 00089 00090 # Note that OpenCV 2.0.0 does only call the command include_directories() 00091 # but does not set OpenCV_INCLUDE_DIRS. This variable was added to 00092 # OpenCVConfig.cmake since version 2.1.0 of OpenCV. 00093 get_directory_property (__INCLUDE_DIRS INCLUDE_DIRECTORIES) 00094 find_path ( 00095 OpenCV_INCLUDE_DIR "cv.h" 00096 HINTS ${__INCLUDE_DIRS} 00097 DOC "Directory of cv.h header file." 00098 NO_DEFAULT_PATH 00099 ) 00100 mark_as_advanced (OpenCV_INCLUDE_DIR) 00101 unset (__INCLUDE_DIRS) 00102 00103 # -------------------------------------------------------------------------- 00104 # OpenCV 1 00105 else () 00106 00107 # will be adjusted on Unix to find the correct library version 00108 set (OpenCV_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_FIND_LIBRARY_SUFFIXES}") 00109 00110 # library components 00111 set (OpenCV_LIB_COMPONENTS cxcore cv ml highgui cvaux) 00112 00113 if (OpenCV_COMPONENTS) 00114 foreach (__CVLIB IN LISTS OpenCV_COMPONENTS) 00115 string (REGEX REPLACE "^opencv_" "" __CVLIB__ "${__CVLIB}") 00116 list (FIND OpenCV_LIB_COMPONENTS ${__CVLIB__} IDX) 00117 if (IDX EQUAL -1) 00118 message (FATAL_ERROR "Unknown OpenCV library component: ${__CVLIB}" 00119 " Are you looking for OpenCV 2.0.0 or greater?" 00120 " In this case, please set OpenCV_DIR to the" 00121 " directory containing the OpenCVConfig.cmake file.") 00122 endif () 00123 list (APPEND OpenCV_COMPONENTS_REQUIRED "${__CVLIB__}") 00124 endforeach () 00125 else () 00126 set (OpenCV_COMPONENTS_REQUIRED ${OpenCV_LIB_COMPONENTS}) 00127 endif () 00128 00129 # find include directory 00130 find_path ( 00131 OpenCV_INCLUDE_DIR "cv.h" 00132 PATHS "${OpenCV_DIR}" 00133 PATH_SUFFIXES "include" "include/opencv" 00134 DOC "Directory of cv.h header file." 00135 NO_DEFAULT_PATH 00136 ) 00137 00138 mark_as_advanced (OpenCV_INCLUDE_DIR) 00139 00140 if (EXISTS ${OpenCV_INCLUDE_DIR}) 00141 # should not be done by Find module, but OpenCVConfig.cmake does it 00142 # as well, unfortunately... 00143 include_directories (${OpenCV_INCLUDE_DIR}) 00144 # extract version information from cvver.h 00145 file (STRINGS "${OpenCV_INCLUDE_DIR}/cvver.h" OpenCV_VERSIONS_TMP REGEX "^#define CV_[A-Z]+_VERSION[ \t]+[0-9]+$") 00146 string (REGEX REPLACE ".*#define CV_MAJOR_VERSION[ \t]+([0-9]+).*" "\\1" OpenCV_VERSION_MAJOR ${OpenCV_VERSIONS_TMP}) 00147 string (REGEX REPLACE ".*#define CV_MINOR_VERSION[ \t]+([0-9]+).*" "\\1" OpenCV_VERSION_MINOR ${OpenCV_VERSIONS_TMP}) 00148 string (REGEX REPLACE ".*#define CV_SUBMINOR_VERSION[ \t]+([0-9]+).*" "\\1" OpenCV_VERSION_PATCH ${OpenCV_VERSIONS_TMP}) 00149 set (OpenCV_VERSION "${OpenCV_VERSION_MAJOR}.${OpenCV_VERSION_MINOR}.${OpenCV_VERSION_PATCH}") 00150 # file name suffixes 00151 if (UNIX) 00152 set (OpenCV_CVLIB_NAME_SUFFIX) 00153 set (CMAKE_FIND_LIBRARY_SUFFIXES) 00154 foreach (SUFFIX IN LISTS OpenCV_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES) 00155 if (NOT SUFFIX MATCHES "${OpenCV_VERSION_MAJOR}\\.${OpenCV_VERSION_MINOR}\\.${OpenCV_VERSION_PATCH}$") 00156 set (SUFFIX "${SUFFIX}.${OpenCV_VERSION}") 00157 endif () 00158 list (APPEND CMAKE_FIND_LIBRARY_SUFFIXES "${SUFFIX}") 00159 endforeach () 00160 else () 00161 set (OpenCV_CVLIB_NAME_SUFFIX "${OpenCV_VERSION_MAJOR}${OpenCV_VERSION_MINOR}${OpenCV_VERSION_PATCH}") 00162 endif () 00163 endif () 00164 00165 # find libraries of components 00166 set (OpenCV_LIB_COMPONENTS) 00167 foreach (__CVLIB IN LISTS OpenCV_COMPONENTS_REQUIRED) 00168 00169 # debug build 00170 find_library ( 00171 OpenCV_${__CVLIB}_LIBRARY_DEBUG 00172 NAMES "${__CVLIB}${OpenCV_CVLIB_NAME_SUFFIX}d" 00173 PATHS "${OpenCV_DIR}/lib" 00174 NO_DEFAULT_PATH 00175 ) 00176 00177 # release build 00178 find_library ( 00179 OpenCV_${__CVLIB}_LIBRARY_RELEASE 00180 NAMES "${__CVLIB}${OpenCV_CVLIB_NAME_SUFFIX}" 00181 PATHS "${OpenCV_DIR}/lib" 00182 NO_DEFAULT_PATH 00183 ) 00184 00185 mark_as_advanced (OpenCV_${__CVLIB}_LIBRARY_DEBUG) 00186 mark_as_advanced (OpenCV_${__CVLIB}_LIBRARY_RELEASE) 00187 00188 # both debug/release 00189 if (OpenCV_${__CVLIB}_LIBRARY_DEBUG AND OpenCV_${__CVLIB}_LIBRARY_RELEASE) 00190 set (OpenCV_${__CVLIB}_LIBRARY debug ${OpenCV_${__CVLIB}_LIBRARY_DEBUG} optimized ${OpenCV_${__CVLIB}_LIBRARY_RELEASE}) 00191 # only debug 00192 elseif (OpenCV_${__CVLIB}_LIBRARY_DEBUG) 00193 set (OpenCV_${__CVLIB}_LIBRARY ${OpenCV_${__CVLIB}_LIBRARY_DEBUG}) 00194 # only release 00195 elseif (OpenCV_${__CVLIB}_LIBRARY_RELEASE) 00196 set (OpenCV_${__CVLIB}_LIBRARY ${OpenCV_${__CVLIB}_LIBRARY_RELEASE}) 00197 # not found 00198 else () 00199 set (OpenCV_${__CVLIB}_LIBRARY) 00200 endif() 00201 00202 # add to list of found libraries 00203 if (OpenCV_${__CVLIB}_LIBRARY) 00204 list (APPEND OpenCV_LIB_COMPONENTS ${__CVLIB}) 00205 list (APPEND OpenCV_LIBS "${OpenCV_${__CVLIB}_LIBRARY}") 00206 endif () 00207 00208 endforeach () 00209 00210 # restore library suffixes 00211 set (OpenCV_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_FIND_LIBRARY_SUFFIXES}") 00212 00213 # compatibility with OpenCV 2 00214 set (OpenCV_INCLUDE_DIRS "${OpenCV_INCLUDE_DIR}") 00215 00216 endif () 00217 00218 # -------------------------------------------------------------------------- 00219 # set OpenCV_INCLUDE_DIRS - required for OpenCV before version 2.1.0 00220 if (OpenCV_INCLUDE_DIR MATCHES "/opencv$" AND NOT OpenCV_INCLUDE_DIRS) 00221 get_filename_component (OpenCV_INCLUDE_DIRS "${OpenCV_INCLUDE_DIR}" PATH) 00222 list (APPEND OpenCV_INCLUDE_DIRS "${OpenCV_INCLUDE_DIR}") 00223 endif () 00224 00225 # -------------------------------------------------------------------------- 00226 # handle the QUIETLY and REQUIRED arguments and set *_FOUND to TRUE 00227 # if all listed variables are found or TRUE 00228 include (FindPackageHandleStandardArgs) 00229 00230 set (OpenCV_REQUIRED_COMPONENTS_FOUND TRUE) 00231 set (OpenCV_COMPONENTS_NOT_FOUND) 00232 foreach (__CVLIB IN LISTS OpenCV_COMPONENTS_REQUIRED) 00233 list (FIND OpenCV_LIB_COMPONENTS ${__CVLIB} IDX) 00234 if (IDX EQUAL -1) 00235 set (OpenCV_REQUIRED_COMPONENTS_FOUND FALSE) 00236 list (APPEND OpenCV_COMPONENTS_NOT_FOUND ${__CVLIB}) 00237 endif () 00238 endforeach () 00239 00240 if (NOT OpenCV_REQUIRED_COMPONENTS_FOUND) 00241 if (NOT OpenCV_FIND_QUIET AND OpenCV_FIND_REQUIRED) 00242 message (FATAL_ERROR "The following required OpenCV components" 00243 " were not found: ${OpenCV_COMPONENTS_NOT_FOUND}") 00244 endif () 00245 endif () 00246 00247 find_package_handle_standard_args ( 00248 OpenCV 00249 REQUIRED_VARS 00250 OpenCV_INCLUDE_DIR 00251 OpenCV_LIBS 00252 OpenCV_REQUIRED_COMPONENTS_FOUND 00253 VERSION_VAR 00254 OpenCV_VERSION 00255 ) 00256 00257 set (OpenCV_FOUND "${OPENCV_FOUND}") 00258 00259 # -------------------------------------------------------------------------- 00260 # (backward) compatibility 00261 if (OpenCV_FOUND) 00262 set (OpenCV_LIBRARIES "${OpenCV_LIBS}") 00263 endif () 00264 00265 elseif (NOT OpenCV_FIND_QUIET AND OpenCV_FIND_REQUIRED) 00266 message (FATAL_ERROR "Please specify the OpenCV directory using OpenCV_DIR (environment) variable.") 00267 endif ()