some unit tests are failing
$ CC=gcc-10 CXX=g++-10 cmake .. -DCMAKE_INSTALL_PREFIX=/home/imre -DBUILD_TESTING=ON -DEIGEN_TEST_CXX11=ON
$ make -k -j6 check
...
The following tests FAILED:
843 - NonLinearOptimization (Child aborted)
899 - sparse_extra_3 (Child aborted)
902 - openglsupport (Child aborted)
911 - polynomialsolver_9 (Child aborted)
930 - levenberg_marquardt (Child aborted)
Errors while running CTest