[vtkusers] error: ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second

[Martin Baumann]

Hi,

I have a problem compiling VTK4.2 on a Suse 10 system.
I get the following errors:

Building object file vtkWarpTo.o...
Building object file vtkWarpVector.o...
Building object file vtkWindowedSincPolyDataFilter.o...
Building object file vtkGraphicsInstantiator.o...
Building shared library 
/home/martin/local/bin/VTK/VTK4.2/bin/libvtkGraphics.so...
/home/martin/local/bin/VTK/VTK4.2/IO: building default_target
Building dependencies. cmake.depends...
Building object file vtkBMPReader.o...
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = double]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:545: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:545: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = float]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:548: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = long 
unsigned int]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:551: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = long 
int]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:554: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = 
unsigned int]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:557: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = int]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:560: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = short 
int]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:563: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = short 
unsigned int]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:566: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = 
unsigned char]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:569: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx: In function ‘void 
vtkBMPReaderUpdate2(vtkBMPReader*, vtkImageData*, OT*) [with OT = char]’:
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:572: instantiated 
from here
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:507: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: error: ISO 
C++ says that these are ambiguous, even though the worst conversion for 
the first is better than the worst conversion for the second:
/usr/include/c++/4.0.2/bits/postypes.h:175: note: candidate 1: 
std::fpos<_StateT> std::fpos<_StateT>::operator+(std::streamoff) const 
[with _StateT = mbstate_t]
/home/martin/local/src/VTK/VTK4.2/IO/vtkBMPReader.cxx:511: note: 
candidate 2: operator+(std::streamoff, long int) <built-in>
make[3]: *** [vtkBMPReader.o] Fehler 1
make[2]: *** [default_target] Fehler 2
make[1]: *** [default_target_IO] Fehler 2
make: *** [default_target] Fehler 2


Does anyone know what is wrong?

Thanks, Martin