[vtkusers] GCC problems with IO: "undefined symbol: jpeg_std_error'

Prabhu Ramachandran prabhu at aero.iitm.ernet.in
Fri Mar 1 08:23:03 EST 2002


>>>>> "ff" == "f f" <gray_java at hotmail.com> writes:

    ff> hi, I installed VTK and turned on the Python wrapping. Now
    ff> when I import libvtkIOPython I get an undefined symbol error
    ff> for jpeg_std_error. Doing a 'nm' on the .so file gives me a
    ff> bunch of undefined symbols, mostly starting with jpeg_ or
    ff> png_. It sounds similar to a problem (
    ff> http://public.kitware.com/pipermail/vtkusers/2002-January/008994.html
    ff> ) someone was having with Borland Builder before, but this is
    ff> in GCC.

This is strange.  Could you do an ldd on the files and see what they
are linked to?  The jpeg_* and png_* symbols should be in the
libvtkpng.so and libvtkjpeg.so libraries.  The fact that the names are
undefined in libvtkIOPython is really not the problem.

prabhu



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