[Insight-users] Compiling ITKv4.2.1 with support for Pythonv2.7.3 using Visual Studio 2008 win32

[Willi Huber]

Dear Insight-Users,

some time ago I tried to compile ITK with the Support for Python using Visual Studio 2010 with Win64. I wanted to support 2,3,4 and 5 dimensions and all available datatypes. I committed some patches to get rid of some errors I've found.

That time I ran into a lot of issues and discontinued.

Now I started again compiling and wanted to use VS2008 with only win32. Again I added 4 and 5 dimensions to the standard 2 and 3 and I switched on all the available datatypes for Python support.

This time I got the following compiler or linker error:

itkZeroFluxNeumannPadImageFilterPython.cpp

itkWrapPadImageFilterPython.cpp

itkWarpImageFilterPython.cpp

itkVectorResampleImageFilterPython.cpp

itkTileImageFilterPython.cpp

itkSliceBySliceImageFilterPython.cpp

itkShrinkImageFilterPython.cpp

itkResampleImageFilterPython.cpp

itkRegionOfInterestImageFilterPython.cpp

itkPermuteAxesImageFilterPython.cpp

itkPasteImageFilterPython.cpp

itkOrientImageFilterPython.cpp

itkMirrorPadImageFilterPython.cpp

itkInterpolateImageFilterPython.cpp

itkFlipImageFilterPython.cpp

itkExpandImageFilterPython.cpp

itkCyclicShiftImageFilterPython.cpp

itkCropImageFilterPython.cpp

itkBSplineUpsampleImageFilterPython.cpp

itkBSplineDownsampleImageFilterPython.cpp

Code wird generiert...

c:\itksrc\modules\core\common\include\itkimage.h(284) : fatal error C1128: Die Anzahl von Abschnitten hat das Formatierungslimit der Objektdatei überschritten: Kompilieren mit /bigobj.

 Ergebnisse     Das Buildprotokoll wurde unter "file://c:\itkbin\Wrapping\Modules\ITKImageGrid\ITKImageGridPython.dir\Release\BuildLog.htm" gespeichert.

ITKImageGridPython - 1 Fehler, 0 Warnung(en)

I did the compilation of this example by hand with /bigobj as extra flag and voila it worked.

Then I wanted to add the /bigobj flag to my CMake configuration so that it automatically is included and I can commit a patch for review.

In CMake/ITKSetStandardCompilerFlags.cmake I 've found a option that already made use of /bigobj whenever VS2005 is used or Win64 is enabled.

Since /bigobj is allowed after VS2005 I changed:

if(CMAKE_CL_64 OR CMAKE_COMPILER_2005)

set(ITK_REQUIRED_CXX_FLAGS "${ITK_REQUIRED_CXX_FLAGS} /bigobj")

endif()

to: 

         if(MSVC_VERSION GREATER 1400 OR MSVC_VERSION EQUAL 1400)

           set(ITK_REQUIRED_CXX_FLAGS "${ITK_REQUIRED_CXX_FLAGS} /bigobj")

         endif()

which might not be 100 percent correct but at least it does what I want it to do what I've checked with:

message("Flags are ${ITK_REQUIRED_CXX_FLAGS}")

which shows me:

Flags are /DWIN32 /D_WINDOWS /W3 /Zm1000 /EHsc /GR -W3 /bigobj

I assume the -W3 to be wrong and commented the generating line.

My problem is now that its not appearing in the final results of CMAKE_CXX_FLAGS although it is in the variable at the end of CMakeLists.txt in C:\itksrc which I checked with a message.
What am I doing wrong?

Best regards,
Willi

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