diff -up OpenCV-2.3.1/CMakeLists.txt.opencvconfig OpenCV-2.3.1/CMakeLists.txt
--- OpenCV-2.3.1/CMakeLists.txt.opencvconfig	2011-08-20 14:25:43.592615724 +0200
+++ OpenCV-2.3.1/CMakeLists.txt	2011-08-20 14:28:40.814017029 +0200
@@ -36,7 +36,7 @@ endif(NOT CMAKE_TOOLCHAIN_FILE)
 # --------------------------------------------------------------
 # Top level OpenCV project
 # --------------------------------------------------------------
-cmake_minimum_required(VERSION 2.4)
+cmake_minimum_required(VERSION 2.6.3)
 project(OpenCV)
 
 set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Configs" FORCE)
@@ -1370,8 +1370,8 @@ if(UNIX)
     install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake DESTINATION share/OpenCV-${OPENCV_VERSION}/)
     install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig-version.cmake DESTINATION share/OpenCV-${OPENCV_VERSION}/)
   else()
-    install(FILES "${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake" DESTINATION share/OpenCV/)
-    install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig-version.cmake DESTINATION share/OpenCV/)
+    install(FILES "${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake" DESTINATION ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/cmake/opencv/)
+    install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig-version.cmake DESTINATION ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/cmake/opencv/)
   endif()
 endif()