/usr/include/CGAL/Homogeneous/ is in libcgal-dev 4.7-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/CGAL/Homogeneous/Aff_transformationH2.h
/usr/include/CGAL/Homogeneous/Aff_transformationH3.h
/usr/include/CGAL/Homogeneous/CircleH2.h
/usr/include/CGAL/Homogeneous/Data_accessorH2.h
/usr/include/CGAL/Homogeneous/DirectionH2.h
/usr/include/CGAL/Homogeneous/DirectionH3.h
/usr/include/CGAL/Homogeneous/Homogeneous_base.h
/usr/include/CGAL/Homogeneous/Iso_cuboidH3.h
/usr/include/CGAL/Homogeneous/Iso_rectangleH2.h
/usr/include/CGAL/Homogeneous/LineH2.h
/usr/include/CGAL/Homogeneous/PlaneH3.h
/usr/include/CGAL/Homogeneous/PointH2.h
/usr/include/CGAL/Homogeneous/PointH3.h
/usr/include/CGAL/Homogeneous/RayH3.h
/usr/include/CGAL/Homogeneous/SphereH3.h
/usr/include/CGAL/Homogeneous/VectorH2.h
/usr/include/CGAL/Homogeneous/VectorH3.h
/usr/include/CGAL/Homogeneous/basic_constructionsH2.h
/usr/include/CGAL/Homogeneous/basic_constructionsH3.h
/usr/include/CGAL/Homogeneous/distance_predicatesH2.h
/usr/include/CGAL/Homogeneous/distance_predicatesH3.h
/usr/include/CGAL/Homogeneous/function_objects.h
/usr/include/CGAL/Homogeneous/predicates_on_directionsH2.h
/usr/include/CGAL/Homogeneous/predicates_on_pointsH2.h
/usr/include/CGAL/Homogeneous/predicates_on_pointsH3.h