diff -up vcglib-1.0.1/wrap/io_tetramesh/import_ply.h.cstddef vcglib-1.0.1/wrap/io_tetramesh/import_ply.h

--- vcglib-1.0.1/wrap/io_tetramesh/import_ply.h.cstddef	2017-07-20 11:03:33.884260653 -0400

+++ vcglib-1.0.1/wrap/io_tetramesh/import_ply.h	2017-07-20 11:03:49.734890552 -0400

@@ -36,7 +36,7 @@ created

 #include<wrap/ply/io_mask.h>

 #include<wrap/io_tetramesh/io_ply.h>

 #include<vcg/complex/tetramesh/allocate.h>

-

+#include <cstddef>

 namespace vcg {

diff -up vcglib-1.0.1/wrap/io_trimesh/import_ply.h.cstddef vcglib-1.0.1/wrap/io_trimesh/import_ply.h

--- vcglib-1.0.1/wrap/io_trimesh/import_ply.h.cstddef	2017-07-20 11:04:08.008463877 -0400

+++ vcglib-1.0.1/wrap/io_trimesh/import_ply.h	2017-07-20 11:04:21.095158312 -0400

@@ -29,6 +29,7 @@

 #include<wrap/io_trimesh/io_mask.h>

 #include<wrap/io_trimesh/io_ply.h>

 #include<vcg/complex/algorithms/create/platonic.h>

+#include<cstddef>

 namespace vcg {

 namespace tri {

diff -up vcglib-1.0.1/wrap/ply/plystuff.h.cstddef vcglib-1.0.1/wrap/ply/plystuff.h

--- vcglib-1.0.1/wrap/ply/plystuff.h.cstddef	2017-07-20 11:04:33.037879458 -0400

+++ vcglib-1.0.1/wrap/ply/plystuff.h	2017-07-20 11:04:59.125270335 -0400

@@ -57,6 +57,7 @@ Cleaning of the automatic bbox caching s

 #include <sys/types.h>

 #include <sys/stat.h>

 #include <fcntl.h> 

+#include <cstddef>

 #ifdef WIN32

 #include <io.h>

 #else