Comment # 4 on bug 1148642 from Andy May

Thank you for fixing this bug in Leap 15.1, I can see that it has also been
fixed in tumbleweed. However, it is still present in Leap 15.2, can it be fixed
there and any future Leap versions?

> docker run --rm -ti opensuse/leap:15.2
> zypper in eigen3-devel 
> grep '${PACKAGE_PREFIX_DIR}/${PACKAGE_PREFIX_DIR}' /usr/share/eigen3/cmake/Eigen3Config.cmake
set (EIGEN3_INCLUDE_DIR 
"${PACKAGE_PREFIX_DIR}/${PACKAGE_PREFIX_DIR}/include/eigen3")
set (EIGEN3_INCLUDE_DIRS
"${PACKAGE_PREFIX_DIR}/${PACKAGE_PREFIX_DIR}/include/eigen3")