Index: opencv-2.4.11/CMakeLists.txt
===================================================================
--- opencv-2.4.11.orig/CMakeLists.txt
+++ opencv-2.4.11/CMakeLists.txt
@@ -576,7 +576,7 @@ if(BUILD_opencv_apps)
 endif()
 
 # examples
-if(BUILD_EXAMPLES OR BUILD_ANDROID_EXAMPLES OR INSTALL_PYTHON_EXAMPLES)
+if(BUILD_EXAMPLES OR INSTALL_C_EXAMPLES OR BUILD_ANDROID_EXAMPLES OR INSTALL_PYTHON_EXAMPLES)
   add_subdirectory(samples)
 endif()
 
Index: opencv-2.4.11/samples/CMakeLists.txt
===================================================================
--- opencv-2.4.11.orig/samples/CMakeLists.txt
+++ opencv-2.4.11/samples/CMakeLists.txt
@@ -10,6 +10,7 @@ if(NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_C
 #
 # ----------------------------------------------------------------------------
 
+if(BUILD_EXAMPLES OR INSTALL_C_EXAMPLES)
 add_subdirectory(c)
 add_subdirectory(cpp)
 add_subdirectory(gpu)
@@ -19,11 +20,17 @@ if(ANDROID AND BUILD_ANDROID_EXAMPLES)
   add_subdirectory(android)
 endif()
 
+if(INSTALL_PYTHON_EXAMPLES)
+add_subdirectory(python)
+add_subdirectory(python2)
+endif()
+
 if(INSTALL_C_EXAMPLES)
   install(FILES "CMakeLists.txt"
           DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}
           PERMISSIONS OWNER_READ GROUP_READ WORLD_READ COMPONENT samples)
 endif()
+endif()
 
 #
 # END OF BUILD CASE 1: Build samples with library sources
@@ -70,4 +77,4 @@ add_subdirectory(gpu)
 #
 # END OF BUILD CASE 2: Build samples with library binaries
 #
-endif()
\ No newline at end of file
+endif()
Index: opencv-2.4.11/samples/python/CMakeLists.txt
===================================================================
--- /dev/null
+++ opencv-2.4.11/samples/python/CMakeLists.txt
@@ -0,0 +1,12 @@
+# -------------------------------------------------------------------------
+#  CMake file for Python samples. See root CMakeLists.txt
+# -------------------------------------------------------------------------
+
+file(GLOB PYTHON_SAMPLES *.py)
+if(NOT WIN32)
+install(FILES ${PYTHON_SAMPLES}
+        DESTINATION share/OpenCV/samples/python
+        PERMISSIONS OWNER_READ OWNER_EXECUTE
+                    GROUP_READ GROUP_EXECUTE
+                    WORLD_READ WORLD_EXECUTE)
+endif() 
Index: opencv-2.4.11/samples/python2/CMakeLists.txt
===================================================================
--- /dev/null
+++ opencv-2.4.11/samples/python2/CMakeLists.txt
@@ -0,0 +1,12 @@
+# -------------------------------------------------------------------------
+#  CMake file for Python samples. See root CMakeLists.txt
+# -------------------------------------------------------------------------
+
+file(GLOB PYTHON_SAMPLES *.py)
+if(NOT WIN32)
+install(FILES ${PYTHON_SAMPLES}
+        DESTINATION share/OpenCV/samples/python2
+        PERMISSIONS OWNER_READ OWNER_EXECUTE
+                    GROUP_READ GROUP_EXECUTE
+                    WORLD_READ WORLD_EXECUTE)
+endif() 
Index: opencv-2.4.11/samples/gpu/CMakeLists.txt
===================================================================
--- opencv-2.4.11.orig/samples/gpu/CMakeLists.txt
+++ opencv-2.4.11/samples/gpu/CMakeLists.txt
@@ -100,7 +100,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_F
   include("performance/CMakeLists.txt")
 endif()
 
-if (OCV_DEPENDENCIES_FOUND AND INSTALL_C_EXAMPLES AND NOT WIN32)
+if (BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND AND INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB install_list *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd *.txt)
   if(NOT HAVE_OPENGL)
     list_filterout(install_list ".*opengl.cpp")