[vtkusers] Compilation error

[Wilfrid Lefer]

Hi,
I got the error message below, does it mean that my compiler is too old?
I use egcs-2.91.66 on a RedHat 6.0.

{localhost.localdomain-root-/free/vtk-4.0} make
cmake.depends is up-to-date
Building default_target in directory /free/vtk-4.0/Wrapping
Building default_target in directory /free/vtk-4.0/Utilities
cmake.depends is up-to-date
Building default_target in directory /free/vtk-4.0/Utilities/zlib
cmake.depends is up-to-date
Building default_target in directory /free/vtk-4.0/Utilities/png
Building default_target in directory /free/vtk-4.0/Utilities/jpeg
Building default_target in directory /free/vtk-4.0/Utilities/Doxygen
cmake.depends is up-to-date
Building default_target in directory /free/vtk-4.0/Common
Building default_target in directory /free/vtk-4.0/Filtering
Building default_target in directory /free/vtk-4.0/Imaging
g++ -O2 -DvtkImaging_EXPORTS -fPIC -I/free/vtk-4.0/Imaging
-I/free/vtk-4.0/Rendering -I/free/vtk-4.0/Patented -I/free/vtk-4.0
-I/free/vtk-4.0/Common -I/free/vtk-4.0/Filtering -I/free/vtk-4.0/Imaging
-I/free/vtk-4.0/Graphics -I/free/vtk-4.0/IO
-I/free/vtk-4.0/Utilities/zlib -I/free/vtk-4.0/Utilities/png
-I/free/vtk-4.0/Utilities/jpeg -I/free/vtk-4.0/Common/Testing/Cxx
-I/usr/local/include   -c /free/vtk-4.0/Imaging/vtkImageReslice.cxx -o
vtkImageReslice.o
/free/vtk-4.0/Imaging/vtkImageReslice.cxx: In function `void
vtkGetResliceInterpFunc<float>(class vtkImageReslice *, int (**)(void
*&, const void *, const int *, const int *, int, const float *, int,
const void *))':
/free/vtk-4.0/Imaging/vtkImageReslice.cxx:1708:   instantiated from
nhere
/free/vtk-4.0/Imaging/vtkImageReslice.cxx:1449: conversion from `int
(**)(void *&, const void *, const int *, const int *, int, const float
*, int, const void *)' to non-scalar type `{error}' requested
/free/vtk-4.0/Imaging/vtkImageReslice.cxx:1449: sorry, not implemented:
use of `realpart_expr' in template
/free/vtk-4.0/Imaging/vtkImageReslice.cxx:1449: sorry, not implemented:
use of `bit_not_expr' in template
/free/vtk-4.0/Imaging/vtkImageReslice.cxx:1449: confused by earlier
errors, bailing out
make[3]: *** [vtkImageReslice.o] Error 1
make[2]: *** [default_target] Error 2
make[1]: *** [default_target_Imaging] Error 2
make: *** [default_target] Error 2
{localhost.localdomain-root-/free/vtk-4.0}