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I've installed Eigen3 using CMake, following everything in the guide (https://gitlab.com/libeigen/eigen/-/blob/master/INSTALL). I had tried to CMake Pangolin for my project, but it returned that "Eigen3Config.cmake" not found: https://i.stack.imgur.com/pdMEE.png. I've tried to set the path manually only to find out that I don't have the Eigen3Config (nor the eigen3-config). Not even Eigen3Config.cmake.in in eigen/cmake. I'd tried to search for the config file but it returned nothing: https://i.stack.imgur.com/qxfDF.png

I have eigen-3.2.10 (older version required for project). Any help is appreciated!

S_py_go_Xru
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  • Support for `Eigen3Config.cmake.in` has been added only in 3.3 version. In previous versions you could use direct `include_directories()`, `pkg_search_module` or other approaches noted for the [duplicate question](https://stackoverflow.com/questions/12249140/find-package-eigen3-for-cmake). – Tsyvarev Dec 30 '21 at 14:19

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