cmake: restore find_package() for build directory

cmake/OpenCVGenConfig.cmake

@@ -74,11 +74,12 @@ if(ANDROID AND NOT BUILD_SHARED_LIBS AND HAVE_TBB)
   list(APPEND OpenCV2_INCLUDE_DIRS_CONFIGCMAKE ${TBB_INCLUDE_DIRS})
 endif()
 
+export(TARGETS ${OpenCVModules_TARGETS} FILE "${CMAKE_BINARY_DIR}/OpenCVModules.cmake")
+
 configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig.cmake" IMMEDIATE @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" IMMEDIATE @ONLY)
 
-
 # --------------------------------------------------------------------------------------------
 #  Part 2/3: ${BIN_DIR}/unix-install/OpenCVConfig.cmake -> For use *with* "make install"
 # -------------------------------------------------------------------------------------------

cmake/OpenCVUtils.cmake

@@ -440,6 +440,28 @@ endmacro()
 function(ocv_install_target)
   install(TARGETS ${ARGN})
 
+  set(isPackage 0)
+  unset(__package)
+  unset(__target)
+  foreach(e ${ARGN})
+    if(NOT DEFINED __target)
+      set(__target "${e}")
+    endif()
+    if(isPackage EQUAL 1)
+      set(__package "${e}")
+      break()
+    endif()
+    if(e STREQUAL "EXPORT")
+      set(isPackage 1)
+    endif()
+  endforeach()
+
+  if(DEFINED __package)
+    list(APPEND ${__package}_TARGETS ${__target})
+    list(REMOVE_DUPLICATES ${__package}_TARGETS)
+    set(${__package}_TARGETS "${${__package}_TARGETS}" CACHE INTERNAL "List of ${__package} targets")
+  endif()
+
   if(INSTALL_CREATE_DISTRIB)
     if(MSVC AND NOT BUILD_SHARED_LIBS)
       set(__target "${ARGV0}")

cmake/templates/OpenCVConfig.cmake.in

@@ -289,9 +289,10 @@ endmacro()
 # adds include directories in such way that directories from the OpenCV source tree go first
 function(ocv_include_directories)
   set(__add_before "")
+  file(TO_CMAKE_PATH "${OpenCV_DIR}" __baseDir)
   foreach(dir ${ARGN})
     get_filename_component(__abs_dir "${dir}" ABSOLUTE)
-    if("${__abs_dir}" MATCHES "^${OpenCV_DIR}")
+    if("${__abs_dir}" MATCHES "^${__baseDir}")
       list(APPEND __add_before "${dir}")
     else()
       include_directories(AFTER SYSTEM "${dir}")