[vtkusers] Help with VTK and zlib??

[Stu Griffin]

G'day all, 

I am very new to this game so thank you in advance for your patience.

I am trying to build VTK on my mac as x86_64 with carbon and then attempting
to use the sample carbon xcode project to get my bearings.

I am using CMake to build VTK 5.6 source and this step seems to be going all
smoothly. I have a nice static library that links into the xcode project
with the appropriate source trees and no red links that i can find. I have
changed the build settings to target OSX10.6 and x86_64 and this seems fine. 

However i can only get as far as building everything successfully before it
all falls over during the linking stage.

The errors that occur at this stage are;

Undefined symbols for architecture x86_64:
  "_vtk_zlib_crc32", referenced from:
      _vtk_png_reset_crc in libvtkpng.a(png.c.o)
      _vtk_png_calculate_crc in libvtkpng.a(png.c.o)
  "_vtk_zlib_inflateReset", referenced from:
      _vtk_png_reset_zstream in libvtkpng.a(png.c.o)
      _vtk_png_decompress_chunk in libvtkpng.a(pngrutil.c.o)
      _vtk_png_read_finish_row in libvtkpng.a(pngrutil.c.o)
      _ZIPPreDecode in libvtktiff.a(tif_zip.c.o)
      _PixarLogPreDecode in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_inflateInit_", referenced from:
      _vtk_png_create_read_struct in libvtkpng.a(pngread.c.o)
      _vtk_png_read_init_3 in libvtkpng.a(pngread.c.o)
      _ZIPSetupDecode in libvtktiff.a(tif_zip.c.o)
      _PixarLogSetupDecode in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_inflate", referenced from:
      _vtk_png_read_row in libvtkpng.a(pngread.c.o)
      _vtk_png_decompress_chunk in libvtkpng.a(pngrutil.c.o)
      _vtk_png_read_finish_row in libvtkpng.a(pngrutil.c.o)
      _ZIPDecode in libvtktiff.a(tif_zip.c.o)
      _PixarLogDecode in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_inflateEnd", referenced from:
      _vtk_png_read_destroy in libvtkpng.a(pngread.c.o)
      _ZIPCleanup in libvtktiff.a(tif_zip.c.o)
      _PixarLogCleanup in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_inflateSync", referenced from:
      _ZIPDecode in libvtktiff.a(tif_zip.c.o)
      _PixarLogDecode in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_deflateInit_", referenced from:
      _ZIPSetupEncode in libvtktiff.a(tif_zip.c.o)
      _PixarLogSetupEncode in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_deflateReset", referenced from:
      _ZIPPreEncode in libvtktiff.a(tif_zip.c.o)
      _PixarLogPreEncode in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_deflate", referenced from:
      _ZIPEncode in libvtktiff.a(tif_zip.c.o)
      _ZIPPostEncode in libvtktiff.a(tif_zip.c.o)
      _PixarLogEncode in libvtktiff.a(tif_pixarlog.c.o)
      _PixarLogPostEncode in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_deflateEnd", referenced from:
      _ZIPCleanup in libvtktiff.a(tif_zip.c.o)
      _PixarLogCleanup in libvtktiff.a(tif_pixarlog.c.o)
  "_vtk_zlib_deflateParams", referenced from:
      _ZIPVSetField in libvtktiff.a(tif_zip.c.o)
      _PixarLogVSetField in libvtktiff.a(tif_pixarlog.c.o)
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status

I have tried using the VTK_Use_System_Zlib argument during the CMake process
to no avail and am really not sure where to look next.

I would really appreciate a steer in the right direction.

Thank you in advance,
Stewart Griffin

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