On Tuesday 04 of February 2014 09:56:01 Marcus D. Hanwell wrote:
> Are you building with Eigen 2 or 3? I just looked at master, and
> libavogadro/src/CMakeLists.txt adds it to the include directories, the
> same is not true for Eigen 3. There are still a number of rough edges
> with the Eigen 3 support, we should take a pass at getting that to
> build consistently. A lot of people (myself included) have Eigen
> installed and can miss this.
>
> I also don't see anything that defines EIGEN_INCLUDE_DIR, both
> variants have the major version number. Hope that helps.
I'm building with both. Although Eigen is a header-only library, I'm running
Gentoo so both versions need to be installed as build-time dependencies of
various packages, they are at /usr/include/eigen{2,3}
Actually, when I touched one of CMakeLists and caused a reconfiguration, the
problem popped out elsewhere, then disappeared later. It seems that, starting
with an empty build directory, I have to run CMake twice, then it builds
successfully. This behaviour seems to be consistent.
Thanks
Jure
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