CMake Warning at source_subfolder/CMakeLists.txt:346 (message):
  Cannot determine Eigen version, missing file:
  `/Eigen/src/Core/util/Macros.h`


CMake Warning:
  Manually-specified variables were not used by the project:

    Boost_NO_SYSTEM_PATHS
    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR
    GTSAM_BUILD_DOCS
    GTSAM_BUILD_DOC_HTML
    GTSAM_WRAP_SERIALIZATION


ERROR: gtsam/4.0.2: Error in package_info() method, line 164
	self.cpp_info.components["libgtsam"].libs = ["libgtsam" if self.settings.os == "Windows" and not self.settings.shared else "gtsam"]
	ConanException: 'settings.shared' doesn't exist
'settings' possible configurations are ['arch', 'build_type', 'compiler', 'os']