added gpu HOG sample

samples/CMakeLists.txt

@@ -7,3 +7,4 @@ add_subdirectory(c)
 add_subdirectory(cpp)
 add_subdirectory(swig_python)
 add_subdirectory(octave)
+#add_subdirectory(gpu)

samples/gpu/CMakeLists.txt

+if (BUILD_EXAMPLES)
+    project(gpu_samples)
+
+    include_directories(
+        "${CMAKE_SOURCE_DIR}/modules/core/include"
+        "${CMAKE_SOURCE_DIR}/modules/flann/include"
+        "${CMAKE_SOURCE_DIR}/modules/imgproc/include"
+        "${CMAKE_SOURCE_DIR}/modules/video/include"
+        "${CMAKE_SOURCE_DIR}/modules/highgui/include"
+        "${CMAKE_SOURCE_DIR}/modules/ml/include"
+        "${CMAKE_SOURCE_DIR}/modules/calib3d/include"
+        "${CMAKE_SOURCE_DIR}/modules/features2d/include"
+        "${CMAKE_SOURCE_DIR}/modules/objdetect/include"
+        "${CMAKE_SOURCE_DIR}/modules/legacy/include"
+        "${CMAKE_SOURCE_DIR}/modules/contrib/include"
+        "${CMAKE_SOURCE_DIR}/modules/gpu/include"
+    )   
+
+    if(CMAKE_COMPILER_IS_GNUCXX)
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
+    endif()
+    
+    # ---------------------------------------------
+    #      Define executable targets
+    # ---------------------------------------------
+    MACRO(MY_DEFINE_EXAMPLE name srcs)
+        set(the_target "example_${name}")
+    	add_executable(${the_target} ${srcs})
+		set_target_properties(${the_target} PROPERTIES
+		    OUTPUT_NAME "${name}"
+		    PROJECT_LABEL "(EXAMPLE) ${name}")
+    	add_dependencies(${the_target} opencv_core opencv_flann opencv_imgproc opencv_highgui
+    	    opencv_ml opencv_video opencv_objdetect opencv_features2d
+    	    opencv_calib3d opencv_legacy opencv_contrib opencv_gpu)
+    	target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} opencv_core
+    	    opencv_flann opencv_imgproc opencv_highgui opencv_ml opencv_video opencv_objdetect
+    	    opencv_features2d opencv_calib3d opencv_legacy opencv_contrib opencv_gpu)
+
+        if(WIN32)
+            install(TARGETS ${the_target}
+                RUNTIME DESTINATION "samples/gpu" COMPONENT main)
+        endif()
+    ENDMACRO(MY_DEFINE_EXAMPLE)
+    
+    file(GLOB gpu_samples RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp)
+    
+    foreach(sample_filename ${gpu_samples})
+        get_filename_component(sample ${sample_filename} NAME_WE)
+        MY_DEFINE_EXAMPLE(${sample}  ${sample_filename})
+    endforeach()
+endif(BUILD_EXAMPLES)
+
+if (NOT WIN32)
+    file(GLOB GPU_FILES *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
+    install(FILES ${GPU_FILES}
+            DESTINATION share/opencv/samples/gpu
+            PERMISSIONS OWNER_READ GROUP_READ WORLD_READ)
+endif ()
+