That commit does not seem to be a good idea: many users will "install" Eigen3
by simply copying its header files, rather than using its CMake
scripts --- but then its CMake configs do not get installed.
This commit essentially reverts commit a6d33139b and adds the updated
FindEigen3.cmake from the latest Eigen3 distribution, and makes
relevant instructions in README.md more clear.
That commit does not seem to be a good idea: many users will "install" Eigen3 by simply copying its header files, rather than using its CMake scripts --- but then its CMake configs do not get installed.
This commit essentially reverts commit a6d33139b and adds the updated
FindEigen3.cmakefrom the latest Eigen3 distribution, and makes relevant instructions inREADME.mdmore clear.