/usr/include/pcl-1.7/pcl/surface/3rdparty/ is in libpcl-dev 1.7.2-14build1.
This file is owned by root:root, with mode 0o755.
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/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/allocator.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/binary_node.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/bspline_data.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/bspline_data.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/factor.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/function_data.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/function_data.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/geometry.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/geometry.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/hash.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/marching_cubes_poisson.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/mat.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/mat.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/multi_grid_octree_data.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/multi_grid_octree_data.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/octree_poisson.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/octree_poisson.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/polynomial.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/polynomial.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/ppolynomial.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/ppolynomial.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/sparse_matrix.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/sparse_matrix.hpp
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/vector.h
/usr/include/pcl-1.7/pcl/surface/3rdparty/poisson4/vector.hpp