Misc minor changes

BGL/include/CGAL/boost/graph/IO/polygon_mesh_io.h

@@ -11,6 +11,7 @@
 #define CGAL_BOOST_GRAPH_POLYGON_MESH_IO_H
 
 #include <CGAL/boost/graph/io.h>
+#include <CGAL/IO/polygon_soup_io.h>
 
 namespace CGAL {
 

BGL/include/CGAL/boost/graph/io.h

@@ -21,4 +21,6 @@
 #include <CGAL/boost/graph/IO/VTK.h>
 #include <CGAL/boost/graph/IO/WRL.h>
 
+#include <CGAL/boost/graph/IO/polygon_mesh_io.h>
+
 #endif // CGAL_BOOST_GRAPH_IO_H

Stream_support/include/CGAL/IO/GOCAD.h

@@ -284,7 +284,6 @@ bool write_GOCAD(const char* fname,
   return IO::internal::write_GOCAD(os, fname, points, polygons, np);
 }
 
-
 /*!
   \ingroup GocadIoFuncs
 

Stream_support/include/CGAL/IO/OBJ.h

@@ -19,6 +19,7 @@
 
 #include <boost/range/value_type.hpp>
 
+#include <fstream>
 #include <iostream>
 #include <sstream>
 #include <string>

Stream_support/include/CGAL/IO/OFF/File_scanner_OFF.h

@@ -18,8 +18,10 @@
 #define CGAL_IO_OFF_FILE_SCANNER_OFF_H
 
 #include <CGAL/config.h>
+
 #include <CGAL/IO/binary_file_io.h>
 #include <CGAL/IO/OFF/File_header_OFF.h>
+#include <CGAL/IO/io.h>
 
 #include <boost/cstdint.hpp>
 

Stream_support/include/CGAL/IO/PLY.h

@@ -21,6 +21,14 @@
 
 #include <boost/utility/enable_if.hpp>
 
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <tuple>
+#include <type_traits>
+#include <utility>
+#include <vector>
+
 namespace CGAL {
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////

Stream_support/include/CGAL/IO/STL.h

@@ -23,6 +23,8 @@
 #include <boost/range/value_type.hpp>
 
 #include <iostream>
+#include <fstream>
+#include <string>
 
 namespace CGAL {
 ////////////////////////////////////////////////////////////////////////////////////////////////////

Stream_support/include/CGAL/IO/VTK.h

@@ -17,7 +17,9 @@
 
 #include <CGAL/IO/VTK/VTK_reader.h>
 #include <CGAL/IO/VTK/VTK_writer.h>
+
 #include <CGAL/boost/graph/Named_function_parameters.h>
+
 #ifdef CGAL_USE_VTK
 #include <vtkSmartPointer.h>
 #include <vtkCommand.h>
@@ -25,9 +27,11 @@
 #include <vtkXMLPolyDataReader.h>
 #include <vtkPointSet.h>
 #include <vtkPolyData.h>
+
 namespace CGAL {
 namespace IO {
 namespace internal {
+
 //append the content of poly_data to a soup.
 template <typename PointRange, typename PolygonRange, typename NamedParameters>
 bool vtkPointSet_to_polygon_soup(vtkPointSet* poly_data,

Stream_support/include/CGAL/IO/WKT.h

@@ -34,6 +34,7 @@
 #include <boost/geometry/io/wkt/write.hpp>
 
 #include <iostream>
+#include <fstream>
 #include <sstream>
 #include <string>
 

Stream_support/include/CGAL/IO/io.h

@@ -14,17 +14,17 @@
 //
 // Author(s)     : Andreas Fabri
 
-
 #ifndef CGAL_IO_H
 #define CGAL_IO_H
 
 #include <CGAL/disable_warnings.h>
 
-#include <CGAL/assertions.h>
-#include <CGAL/tags.h>
 #include <CGAL/IO/io_tags.h>
 #include <CGAL/IO/Color.h>
+
+#include <CGAL/assertions.h>
 #include <CGAL/Fraction_traits.h>
+#include <CGAL/tags.h>
 
 #include <cstdio>
 #include <cctype>