diff -urN OpenCV-2.3.1-orig/CMakeLists.txt OpenCV-2.3.1/CMakeLists.txt
--- OpenCV-2.3.1-orig/CMakeLists.txt	2011-08-17 22:42:55.000000000 +0300
+++ OpenCV-2.3.1/CMakeLists.txt	2011-08-19 15:14:51.227242178 +0300
@@ -125,7 +125,7 @@
 elseif(OPENCV_MANGLED_INSTALL_PATHS)
     set(OPENCV_DOC_INSTALL_PATH share/OpenCV-${OPENCV_VERSION}/doc)
 else()
-    set(OPENCV_DOC_INSTALL_PATH share/OpenCV/doc)
+    set(OPENCV_DOC_INSTALL_PATH share/opencv/doc)
 endif()
 
 if(ANDROID)
@@ -1370,8 +1370,8 @@
     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 share/opencv/)
+    install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig-version.cmake DESTINATION share/opencv/)
   endif()
 endif()
 
diff -urN OpenCV-2.3.1-orig/data/CMakeLists.txt OpenCV-2.3.1/data/CMakeLists.txt
--- OpenCV-2.3.1-orig/data/CMakeLists.txt	2011-08-02 15:48:41.000000000 +0300
+++ OpenCV-2.3.1/data/CMakeLists.txt	2011-08-19 15:13:34.349553000 +0300
@@ -2,6 +2,6 @@
 file(GLOB LBP_CASCADES lbpcascades/*.xml)
 
 if(NOT WIN32)
-install(FILES ${HAAR_CASCADES} DESTINATION share/OpenCV/haarcascades COMPONENT main)
-install(FILES ${LBP_CASCADES} DESTINATION share/OpenCV/lbpcascades COMPONENT main)
+install(FILES ${HAAR_CASCADES} DESTINATION share/opencv/haarcascades COMPONENT main)
+install(FILES ${LBP_CASCADES} DESTINATION share/opencv/lbpcascades COMPONENT main)
 endif()