Hello,
I am trying to build the contrib module cvv of opencv 3.1. But i get a linking error as given below
[ 88%] Linking CXX shared library ....\bin\libopencv_cvv310.dll CMakeFiles\opencv_cvv.dir/objects.a(view_controller.cpp.obj):view_controller.cpp:(.text$_ZN3cvv4view10FilterViewD0Ev[__ZN3cvv4view10FilterViewD0Ev]+0x8): undefined reference to `vtable for cvv::view:: FilterView'
The cmake cofig output is given below
General configuration for OpenCV 3.1.0 =====================================
Version control: unknown
Platform:
Host: Windows 6.1.7600 AMD64
CMake: 3.5.2
CMake generator: MinGW Makefiles
CMake build tool: C:/Qt/Qt5.6.0/Tools/mingw492_32/bin/mingw32-make.exe
Configuration: Release
C/C++:
Built as dynamic libs?: YES
C++ Compiler: C:/Qt/Qt5.6.0/Tools/mingw492_32/bin/g++.exe (ver 4.9.2)
C++ flags (Release): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -march=i686 -fomit-frame-pointer -msse -msse2 -mfpmath=sse -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -O2 -DNDEBUG -DNDEBUG
C++ flags (Debug): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -march=i686 -fomit-frame-pointer -msse -msse2 -mfpmath=sse -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG
C Compiler: C:/Qt/Qt5.6.0/Tools/mingw492_32/bin/gcc.exe
C flags (Release): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -march=i686 -fomit-frame-pointer -msse -msse2 -mfpmath=sse -ffunction-sections -fvisibility=hidden -O2 -DNDEBUG -DNDEBUG
C flags (Debug): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -march=i686 -fomit-frame-pointer -msse -msse2 -mfpmath=sse -ffunction-sections -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG
Linker flags (Release):
Linker flags (Debug):
Precompiled headers: YES
Extra dependencies: comctl32 gdi32 ole32 setupapi ws2_32 Qt5::Core Qt5::Gui Qt5::Widgets Qt5::Test Qt5::Concurrent vfw32 winmm
3rdparty dependencies: zlib libjpeg libwebp libpng libtiff libjasper IlmImf libprotobuf
OpenCV modules:
To be built: core flann imgproc ml photo reg surface_matching video dnn fuzzy imgcodecs shape videoio highgui objdetect plot superres ts xobjdetect xphoto bgsegm bioinspired dpm face features2d line_descriptor saliency text calib3d ccalib cvv datasets rgbd stereo structured_light tracking videostab xfeatures2d ximgproc aruco optflow stitching
Disabled: world contrib_world
Disabled by dependency: -
Unavailable: cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 python3 viz hdf matlab sfm
Windows RT support: NO
GUI:
QT 5.x: YES (ver 5.6.0)
QT OpenGL support: NO
OpenGL support: NO
VTK support: NO
I am using Qt 5.6, migw 4.92 compiler on a win 64 bit windows os and opencv 3.1.
Does anyone have any idea of how to resolve this issue
Thanks
Amal
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