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Directly use the __DEPRECATED token to avoid warnings about

deprecated headers coming from VTK.  This works for GCC, and
the __DEPRECATED token has been used at least as far back
as GCC 4.2.
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commit 0dd148f5164131ea6bea45e15a87f1695d80c992 1 parent ea1c143
John W. Peterson jwpeterson authored
Showing with 21 additions and 0 deletions.
  1. +21 −0 src/mesh/vtk_io.C
21 src/mesh/vtk_io.C
@@ -37,6 +37,22 @@
#include "libmesh/ignore_warnings.h"
+// Hack to avoid warnings coming from stupid VTK files that include
+// deprecated headers. We only do this for GCC >= 4.2, but it may
+// work for other compilers as well. Note: technically it is
+// illegal to mess with identifiers that have double leading
+// underscores... but it is also technically super annoying to see
+// this warning all the time.
+#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
+#if __GNUC__ > 3 && __GNUC_MINOR__ > 1
+#ifdef __DEPRECATED
+ #undef __DEPRECATED
+#endif // if __DEPRECATED
+#endif // if version
+#endif // if gnu
#include "vtkXMLUnstructuredGridReader.h"
#include "vtkXMLUnstructuredGridWriter.h"
#include "vtkXMLPUnstructuredGridWriter.h"
@@ -48,6 +64,11 @@
#include "vtkPointData.h"
#include "vtkPoints.h"
#include "vtkSmartPointer.h"
+ #define __DEPRECATED
#include "libmesh/restore_warnings.h"
// A convenient macro for comparing VTK versions. Returns 1 if the

3 comments on commit 0dd148f


You might also just define "VTK_LEGACY_REMOVE" which should prevent vtk from using the old headers

John W. Peterson
John W. Peterson

Committed in ce703f9

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