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我使用 Pacman 命令安装了 OpenCV。但是我收到了数百行链接错误。我用命令编译了我的程序

gcc example.cpp -o example `pkg-config --cflags --libs opencv4`

链接错误的一小部分如下。

usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkRenderingFreeType_AutoInit_Destruct()'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkInteractorStyle::StartTwoPointer()'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkInteractorStyle::EndZoom()'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkSmartPointerBase::operator=(vtkObjectBase*)'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkOStrStreamWrapper::freeze(int)'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkCamera::SetUserTransform(vtkHomogeneousTransform*)'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkCommand::UnRegister()'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkRenderer::New()'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkInteractorStyle::StartDolly()'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkRenderer::SetActiveCamera(vtkCamera*)'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkInteractorObserver::ReleaseFocus()'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkInteractorObserver::ComputeDisplayToWorld(double, double, double, double*)'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkAlgorithm::Update(vtkInformation*)'
/usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../lib/libopencv_viz.so: undefined reference to `vtkMatrix4x4::New()'
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1 回答 1

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opencv 库本身就在那里，但需要libopencv_viz.sovtk 库中的一些符号，这些符号在 opencv 的.PKGBUILD

您应该自己安装它（例如pacman -S [--asdeps] vtk），或者PKGBUILD如果您认为应该将依赖项设为非可选，请向维护人员投诉。

于 2019-05-15T15:11:17.397 回答