Restoring parallel meshing for windows

src/NETGENPlugin/NETGENPlugin_NETGEN_3D_Remote.cxx

@@ -48,13 +48,8 @@
 #include <QString>
 #include <QProcess>
 
-#ifdef WIN32
-#include <filesystem>
-namespace fs = std::filesystem;
-#else
 #include <boost/filesystem.hpp>
 namespace fs = boost::filesystem;
-#endif
 
 /*
   Netgen include files
@@ -232,19 +227,10 @@ bool NETGENPlugin_NETGEN_3D_Remote::Compute(SMESH_Mesh&         aMesh,
 
 
   // Temporary folder for run
-#ifdef WIN32
-  // On windows mesh does not have GetTmpFolder
-  fs::path tmp_folder = fs::path("Volume-%%%%-%%%%");
-#else
   fs::path tmp_folder = aMesh.GetTmpFolder() / fs::unique_path(fs::path("Volume-%%%%-%%%%"));
-#endif
   fs::create_directories(tmp_folder);
   // Using MESH2D generated after all triangles where created.
-#ifdef WIN32
-  fs::path mesh_file=fs::path("Mesh2D.med");
-#else
   fs::path mesh_file=aMesh.GetTmpFolder() / fs::path("Mesh2D.med");
-#endif
   fs::path element_orientation_file=tmp_folder / fs::path("element_orientation.dat");
   fs::path new_element_file=tmp_folder / fs::path("new_elements.dat");
   fs::path tmp_mesh_file=tmp_folder / fs::path("tmp_mesh.med");

src/NETGENPlugin/NETGENPlugin_NETGEN_3D_SA.cxx

@@ -42,13 +42,8 @@
 #include <SMESHDS_Mesh.hxx>
 
 
-#ifdef WIN32
-#include <filesystem>
-namespace fs = std::filesystem;
-#else
 #include <boost/filesystem.hpp>
 namespace fs = boost::filesystem;
-#endif
 
 /*
   Netgen include files