[vtkusers] Building VTK 4.4 on Mac OS X 10.2.6 (illegal reference to symbol: _crc32)

[Mathieu Malaterre]

Gordon,

> c++        -Wno-deprecated -no-cpp-precomp -fPIC  vtkTkAppInit.o    -o 
> /Users/gk/vtk/VTK/bin/vtk  -L. -L/Users/gk/vtk/VTK/bin -L/usr/X11R6/lib 
> -lvtkCommonTCL -lvtkFilteringTCL -lvtkGraphicsTCL -lvtkImagingTCL 
> -lvtkIOTCL -lvtkRenderingTCL -lvtkPatentedTCL -lvtkRendering -lvtkftgl 
> -lvtkfreetype -framework AGL -framework OpenGL -lSM -lICE -lSM -lICE 
> -lX11 -lXext -lX11 -lXext -framework Cocoa -framework Tk -lvtkPatented 
> -lvtkIOTCL -lvtkIO -lvtkDICOMParser -lvtkpng -lvtktiff -lvtkzlib 
> -lvtkjpeg -lvtkexpat -lvtkGraphicsTCL -lvtkGraphics -lvtkImagingTCL 
> -lvtkImaging -lvtkFilteringTCL -lvtkFiltering -lvtkCommonTCL -lvtkCommon 
> -framework AppKit -lpthread -lm -framework Tcl

Could you please try adding '-lz' at the end of this line, this should 
force linking to zlib.

Mathieu