when i build OpenCV 3.0 on Windows7 with gcc I get this interruption
[ 52%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_dshow.cpp.obj
D:\opencv-master\modules\videoio\src\cap_dshow.cpp:122:11: error: 'struct IEnumP
IDMap' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor]
interface IEnumPIDMap : public IUnknown
cc1plus.exe: some warnings being treated as errors
to solve it i add to cap_dshow.cpp this line
virtual ~IEnumPIDMap() {} // this line exists on 2.4 branch but not on 3.0
i don't know is it a bug or related to some missing configuration.
thanks in advance
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