I have a problem when i use 'make', Linking CXX executable ../../bin/opencv_test_gpu [ 94%] Built target opencv_test_gpu [ 94%] Generating pyopencv_generated_funcs.h, pyopencv_generated_func_tab.h, pyopencv_generated_types.h, pyopencv_generated_type_reg.h, pyopencv_generated_const_reg.h Warning: class Feature2D has more than 1 base class (not supported by Python C extensions) Bases: cv::FeatureDetector, cv::DescriptorExtractor Only the first base class will be used [ 94%] Generating generated0.i Generated 377 functions Scanning dependencies of target opencv_python [ 94%] Building CXX object modules/python/CMakeFiles/opencv_python.dir/src2/cv2.cpp.o /home/junningliu/下载/OpenCV-2.4.3/modules/python/src2/cv2.cpp:9:33: fatal error: numpy/ndarrayobject.h: have no file compilation terminated. make[2]: * [modules/python/CMakeFiles/opencv_python.dir/src2/cv2.cpp.o] fault 1 make[1]: [modules/python/CMakeFiles/opencv_python.dir/all] fault 2 make: ** [all] fault 2