diff -rupN --no-dereference netgen-6.2.2007/libsrc/include/meshing.hpp netgen-6.2.2007-new/libsrc/include/meshing.hpp
--- netgen-6.2.2007/libsrc/include/meshing.hpp	2020-07-23 20:51:48.000000000 +0200
+++ netgen-6.2.2007-new/libsrc/include/meshing.hpp	2020-07-23 23:12:17.998198544 +0200
@@ -1 +1 @@
-#include <../meshing/meshing.hpp>
+#include "../meshing/meshing.hpp"
diff -rupN --no-dereference netgen-6.2.2007/libsrc/include/myadt.hpp netgen-6.2.2007-new/libsrc/include/myadt.hpp
--- netgen-6.2.2007/libsrc/include/myadt.hpp	2020-07-23 20:51:48.000000000 +0200
+++ netgen-6.2.2007-new/libsrc/include/myadt.hpp	2020-07-23 23:12:17.998198544 +0200
@@ -1 +1 @@
-#include <../general/myadt.hpp>
+#include "../general/myadt.hpp"
diff -rupN --no-dereference netgen-6.2.2007/libsrc/include/stlgeom.hpp netgen-6.2.2007-new/libsrc/include/stlgeom.hpp
--- netgen-6.2.2007/libsrc/include/stlgeom.hpp	2020-07-23 20:51:48.000000000 +0200
+++ netgen-6.2.2007-new/libsrc/include/stlgeom.hpp	2020-07-23 23:12:17.998198544 +0200
@@ -1 +1 @@
-#include <../stlgeom/stlgeom.hpp>
+#include "../stlgeom/stlgeom.hpp"