icv: fix OpenCV Windows package

cmake/OpenCVFindIPP.cmake

@@ -126,7 +126,18 @@ macro(ipp_detect_version)
 
   macro(_ipp_add_library name)
     if (EXISTS ${IPP_LIBRARY_DIR}/${IPP_LIB_PREFIX}${IPP_PREFIX}${name}${IPP_SUFFIX}${IPP_LIB_SUFFIX})
-      list(APPEND IPP_LIBRARIES ${IPP_LIBRARY_DIR}/${IPP_LIB_PREFIX}${IPP_PREFIX}${name}${IPP_SUFFIX}${IPP_LIB_SUFFIX})
+      add_library(ipp${name} STATIC IMPORTED)
+      set_target_properties(ipp${name} PROPERTIES
+        IMPORTED_LINK_INTERFACE_LIBRARIES ""
+        IMPORTED_LOCATION ${IPP_LIBRARY_DIR}/${IPP_LIB_PREFIX}${IPP_PREFIX}${name}${IPP_SUFFIX}${IPP_LIB_SUFFIX}
+      )
+      list(APPEND IPP_LIBRARIES ipp${name})
+      # CMake doesn't support "install(TARGETS ipp${name} " command with imported targets
+      install(FILES ${IPP_LIBRARY_DIR}/${IPP_LIB_PREFIX}${IPP_PREFIX}${name}${IPP_SUFFIX}${IPP_LIB_SUFFIX}
+              DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT main)
+      string(TOUPPER ${name} uname)
+      set(IPP${uname}_INSTALL_PATH "${CMAKE_INSTALL_PREFIX}/${OPENCV_3P_LIB_INSTALL_PATH}/${IPP_LIB_PREFIX}${IPP_PREFIX}${name}${IPP_SUFFIX}${IPP_LIB_SUFFIX}" CACHE INTERNAL "" FORCE)
+      set(IPP${uname}_LOCATION_PATH "${IPP_LIBRARY_DIR}/${IPP_LIB_PREFIX}${IPP_PREFIX}${name}${IPP_SUFFIX}${IPP_LIB_SUFFIX}" CACHE INTERNAL "" FORCE)
     else()
       message(STATUS "Can't find IPP library: ${name} at ${IPP_LIBRARY_DIR}/${IPP_LIB_PREFIX}${IPP_PREFIX}${name}${IPP_SUFFIX}${IPP_LIB_SUFFIX}")
     endif()

cmake/OpenCVGenConfig.cmake

@@ -83,6 +83,14 @@ endif()
 
 export(TARGETS ${OpenCVModules_TARGETS} FILE "${CMAKE_BINARY_DIR}/OpenCVModules${modules_file_suffix}.cmake")
 
+if(TARGET ippicv)
+  set(USE_IPPICV TRUE)
+  file(RELATIVE_PATH INSTALL_PATH_RELATIVE_IPPICV ${CMAKE_BINARY_DIR} ${IPPICV_LOCATION_PATH})
+else()
+  set(USE_IPPICV FALSE)
+  set(INSTALL_PATH_RELATIVE_IPPICV "non-existed-path")
+endif()
+
 configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig.cmake" @ONLY)
 #support for version checking when finding opencv. find_package(OpenCV 2.3.1 EXACT) should now work.
 configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig-version.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig-version.cmake" @ONLY)
@@ -98,9 +106,6 @@ if(INSTALL_TO_MANGLED_PATHS)
   set(OpenCV_3RDPARTY_LIB_DIRS_CONFIGCMAKE "\"\${OpenCV_INSTALL_PATH}/${OpenCV_3RDPARTY_LIB_DIRS_CONFIGCMAKE}\"")
 endif()
 
-configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake" @ONLY)
-configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig-version.cmake.in" "${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig-version.cmake" @ONLY)
-
 if(UNIX) # ANDROID configuration is created here also
   #http://www.vtk.org/Wiki/CMake/Tutorials/Packaging reference
   # For a command "find_package(<name> [major[.minor]] [EXACT] [REQUIRED|QUIET])"
@@ -108,6 +113,15 @@ if(UNIX) # ANDROID configuration is created here also
   #                <prefix>/(share|lib)/cmake/<name>*/                     (U)
   #                <prefix>/(share|lib)/<name>*/                           (U)
   #                <prefix>/(share|lib)/<name>*/(cmake|CMake)/             (U)
+  if(USE_IPPICV)
+    if(INSTALL_TO_MANGLED_PATHS)
+      file(RELATIVE_PATH INSTALL_PATH_RELATIVE_IPPICV "${CMAKE_INSTALL_PREFIX}/${OPENCV_CONFIG_INSTALL_PATH}-${OPENCV_VERSION}/" ${IPPICV_INSTALL_PATH})
+    else()
+      file(RELATIVE_PATH INSTALL_PATH_RELATIVE_IPPICV "${CMAKE_INSTALL_PREFIX}/${OPENCV_CONFIG_INSTALL_PATH}/" ${IPPICV_INSTALL_PATH})
+    endif()
+  endif()
+  configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake" @ONLY)
+  configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig-version.cmake.in" "${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig-version.cmake" @ONLY)
   if(INSTALL_TO_MANGLED_PATHS)
     install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake DESTINATION ${OPENCV_CONFIG_INSTALL_PATH}-${OPENCV_VERSION}/ COMPONENT dev)
     install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig-version.cmake DESTINATION ${OPENCV_CONFIG_INSTALL_PATH}-${OPENCV_VERSION}/ COMPONENT dev)
@@ -131,6 +145,13 @@ if(WIN32)
   set(OpenCV2_INCLUDE_DIRS_CONFIGCMAKE "\"\"")
 
   exec_program(mkdir ARGS "-p \"${CMAKE_BINARY_DIR}/win-install/\"" OUTPUT_VARIABLE RET_VAL)
+  if(USE_IPPICV)
+    if(BUILD_SHARED_LIBS)
+      file(RELATIVE_PATH INSTALL_PATH_RELATIVE_IPPICV "${CMAKE_INSTALL_PREFIX}/${OpenCV_INSTALL_BINARIES_PREFIX}lib" ${IPPICV_INSTALL_PATH})
+    else()
+      file(RELATIVE_PATH INSTALL_PATH_RELATIVE_IPPICV "${CMAKE_INSTALL_PREFIX}/${OpenCV_INSTALL_BINARIES_PREFIX}staticlib" ${IPPICV_INSTALL_PATH})
+    endif()
+  endif()
   configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/win-install/OpenCVConfig.cmake" @ONLY)
   configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig-version.cmake.in" "${CMAKE_BINARY_DIR}/win-install/OpenCVConfig-version.cmake" @ONLY)
   if(BUILD_SHARED_LIBS)

cmake/templates/OpenCVConfig.cmake.in

@@ -49,6 +49,18 @@ if(NOT DEFINED OpenCV_MODULES_SUFFIX)
   endif()
 endif()
 
+if(@USE_IPPICV@) # value is defined by package builder
+  if(NOT TARGET ippicv)
+    if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/@INSTALL_PATH_RELATIVE_IPPICV@")
+      add_library(ippicv STATIC IMPORTED)
+      set_target_properties(ippicv PROPERTIES
+        IMPORTED_LINK_INTERFACE_LIBRARIES ""
+        IMPORTED_LOCATION "${CMAKE_CURRENT_LIST_DIR}/@INSTALL_PATH_RELATIVE_IPPICV@"
+      )
+    endif()
+  endif()
+endif()
+
 if(NOT TARGET opencv_core)
   include(${CMAKE_CURRENT_LIST_DIR}/OpenCVModules${OpenCV_MODULES_SUFFIX}.cmake)
 endif()