Eigen/Dense include not found.
On a system with Eigen installed systemwide, no conan, compilation of OGS fails with:
/home/naumov/w/ogs/s/MaterialLib/MPL/Property.h:14:10: fatal error: Eigen/Dense: No such file or directory
This issue happens since b7639475: "[Conan] Newer eigen package does not provide a FindEigen3.cmake."
Steps to Reproduce the Problem
- /ogs/source> git checkout b7639475 (or current master)
- /build/dir> cmake /ogs/source -G Ninja
- /build/dir> ninja
Specifications
- Platform: Archlinux, no conan, Eigen, (VTK, boost) all systemwide, gcc-10.