add_subdirectory given source "build/xinclude" which is not an existing directory.

[Abonaventure]

/METIS/build# cmake ..
CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
Compatibility with CMake < 2.8.12 will be removed from a future version of
CMake.

Update the VERSION argument value or use a ... suffix to tell
CMake that the project does not need compatibility with older versions.

CMake Error at CMakeLists.txt:50 (add_subdirectory):
add_subdirectory given source "build/xinclude" which is not an existing
directory.

-- Configuring incomplete, errors occurred!
See also "/mnt/d/slam14/METIS/build/CMakeFiles/CMakeOutput.log".

[scivision]

This is broken in v5.2.1 as well.
If you wish to build with CMake, consider https://github.com/scivision/metis