cmake/OpenCVGenPkgconfig.cmake

   1 # --------------------------------------------------------------------------------------------
   2 # according to man pkg-config
   3 #  The package name specified on the pkg-config command line is defined to
   4 #      be the name of the metadata file, minus the .pc extension. If a library
   5 #      can install multiple versions simultaneously, it must give each version
   6 #      its own name (for example, GTK 1.2 might have the package  name  "gtk+"
   7 #      while GTK 2.0 has "gtk+-2.0").
   8 #
   9 # ${BIN_DIR}/unix-install/opencv.pc -> For use *with* "make install"
  10 # -------------------------------------------------------------------------------------------
  11 set(prefix      "${CMAKE_INSTALL_PREFIX}")
  12 set(exec_prefix "\${prefix}")
  13 set(libdir      "") #TODO: need link paths for OpenCV_EXTRA_COMPONENTS
  14 set(includedir  "\${prefix}/${OPENCV_INCLUDE_INSTALL_PATH}")
  15
  16 if(CMAKE_BUILD_TYPE MATCHES "Release")
  17   set(ocv_optkind OPT)
  18 else()
  19   set(ocv_optkind DBG)
  20 endif()
  21
  22 #build the list of opencv libs and dependencies for all modules
  23 set(OpenCV_LIB_COMPONENTS "")
  24 set(OpenCV_EXTRA_COMPONENTS "")
  25 foreach(m ${OPENCV_MODULES_PUBLIC})
  26   list(INSERT OpenCV_LIB_COMPONENTS 0 ${${m}_MODULE_DEPS_${ocv_optkind}} ${m})
  27   if(${m}_EXTRA_DEPS_${ocv_optkind})
  28     list(INSERT OpenCV_EXTRA_COMPONENTS 0 ${${m}_EXTRA_DEPS_${ocv_optkind}})
  29   endif()
  30 endforeach()
  31
  32 ocv_list_unique(OpenCV_LIB_COMPONENTS)
  33 ocv_list_unique(OpenCV_EXTRA_COMPONENTS)
  34 ocv_list_reverse(OpenCV_LIB_COMPONENTS)
  35 ocv_list_reverse(OpenCV_EXTRA_COMPONENTS)
  36
  37 #build the list of components
  38 set(OpenCV_LIB_COMPONENTS_ "")
  39 foreach(CVLib ${OpenCV_LIB_COMPONENTS})
  40   get_target_property(libpath ${CVLib} LOCATION_${CMAKE_BUILD_TYPE})
  41   get_filename_component(libname "${libpath}" NAME)
  42
  43   if(INSTALL_TO_MANGLED_PATHS)
  44     set(libname "${libname}.${OPENCV_VERSION}")
  45   endif()
  46
  47   #need better solution....
  48   if(libpath MATCHES "3rdparty")
  49     set(installDir "share/OpenCV/3rdparty/${OPENCV_LIB_INSTALL_PATH}")
  50   else()
  51     set(installDir "${OPENCV_LIB_INSTALL_PATH}")
  52   endif()
  53
  54   set(OpenCV_LIB_COMPONENTS_ "${OpenCV_LIB_COMPONENTS_} \${exec_prefix}/${installDir}/${libname}")
  55 endforeach()
  56
  57 # add extra dependencies required for OpenCV
  58 set(OpenCV_LIB_COMPONENTS ${OpenCV_LIB_COMPONENTS_})
  59 if(OpenCV_EXTRA_COMPONENTS)
  60   foreach(extra_component ${OpenCV_EXTRA_COMPONENTS})
  61
  62     if(extra_component MATCHES "^-[lL]" OR extra_component MATCHES "[\\/]")
  63       set(maybe_l_prefix "")
  64     else()
  65       set(maybe_l_prefix "-l")
  66     endif()
  67
  68     set(OpenCV_LIB_COMPONENTS "${OpenCV_LIB_COMPONENTS} ${maybe_l_prefix}${extra_component}")
  69
  70   endforeach()
  71 endif()
  72
  73 #generate the .pc file
  74 if(INSTALL_TO_MANGLED_PATHS)
  75   set(OPENCV_PC_FILE_NAME "opencv-${OPENCV_VERSION}.pc")
  76 else()
  77   set(OPENCV_PC_FILE_NAME opencv.pc)
  78 endif()
  79 configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/opencv-XXX.pc.in"
  80                "${CMAKE_BINARY_DIR}/unix-install/${OPENCV_PC_FILE_NAME}"
  81                @ONLY)
  82
  83 if(UNIX AND NOT ANDROID)
  84   install(FILES ${CMAKE_BINARY_DIR}/unix-install/${OPENCV_PC_FILE_NAME} DESTINATION ${OPENCV_LIB_INSTALL_PATH}/pkgconfig COMPONENT dev)
  85 endif()