[Insight-users] [Insight-developers] CMake config problem: ITK + GDCM 2 + VTK

Sat Jul 17 17:17:50 EDT 2010

Hi Stephen,

  Here is how the cmake/gdcm config/use file is setup:

$ cat /usr/lib/gdcm-2.0/UseGDCM.cmake
...
  # Use VTK.
  IF(GDCM_USE_VTK)
    SET(VTK_DIR ${GDCM_VTK_DIR})
    FIND_PACKAGE(VTK)
    IF(VTK_FOUND)
      INCLUDE(${VTK_USE_FILE})
    ELSE(VTK_FOUND)
      MESSAGE("VTK not found in GDCM_VTK_DIR=\"${GDCM_VTK_DIR}\".")
    ENDIF(VTK_FOUND)
  ENDIF(GDCM_USE_VTK)
...

  This setting is required since vtkgdcm class derives from vtk
classes. This means compilation would fails if the VTK header would
not be found. Therefore I believe this is a requirement for vtkgdcm
module to pull in vtk cmake setting.

  Could you please recommend another way for doing this ?

Thanks for your comments !
-Mathieu

On Sat, Jul 17, 2010 at 7:16 PM, Stephen Aylward
<stephen.aylward at kitware.com> wrote:
> Yeah - that's probably it.
>
> I could add a AND NOT GDCM_USE_VTK to the VTK_VERSION test in the
> MetaIO CMakeLists.txt file..ugly ugly ugly.
>
> I'd rather GDCM didn't export VTK's variables, but I guess it is
> necessary if the libraries it exports now depend on VTK.  However, if
> GDCM_USE_VTK only creates apps within GDCM 2 that depend on VTK, and
> its libraries never depend on VTK, then GDCM should be fixed.
>
> Other ideas?
>
> s
>
> On Sat, Jul 17, 2010 at 12:26 PM, Karthik Krishnan
> <karthik.krishnan at kitware.com> wrote:
>> I think the more likely place VTK-VERSION may be getting pulled in is
>> that GDCM has been built with the flag GDCM-USE-VTK set to ON. Dean
>> Inglis who initially reported the error on the attached link did have
>> this flag on.
>>
>> On 7/17/10, Stephen Aylward <stephen.aylward at kitware.com> wrote:
>>> The problem is that VTK_VERSION is being set somewhere that it shouldn't
>>>
>>> Bill H thinks VTK_VERSION might be set in GDCM.   Check the Cache/Use
>>> file on your local install.
>>>
>>> I checked the following in ITK:
>>>
>>> $ grep -R VTK_VERSION *
>>> Utilities/MetaIO/CMakeLists.txt:IF(VTK_VERSION)
>>> Utilities/MetaIO/CMakeLists.txt:ELSE(VTK_VERSION)
>>> Utilities/MetaIO/CMakeLists.txt:ENDIF(VTK_VERSION)
>>> Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/Wrapping/CMakeLists.txt:
>>> SET(VTK_VERSION
>>> "${VTK_MAJOR_VERSION}.${VTK_MINOR_VERSION}.${VTK_BUILD_VERSION}")
>>> Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/Wrapping/CMakeLists.txt:
>>> IF("${VTK_VERSION}" STRLESS "${MIN_ITK_VER}")
>>> Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/Wrapping/CMakeLists.txt:
>>> ELSE("${VTK_VERSION}" STRLESS "${MIN_ITK_VER}")
>>> Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/Wrapping/CMakeLists.txt:
>>> ENDIF("${VTK_VERSION}" STRLESS "${MIN_ITK_VER}")
>>>
>>> So, if WrapITK is being used, then a temp var called VTK_VERSION is
>>> being created...which is kind of a "reserved" CMake variable and could
>>> cause the error.  Is wrapping enabled?
>>>
>>> s
>>>
>>> On Sat, Jul 17, 2010 at 10:35 AM, Bill Lorensen <bill.lorensen at gmail.com>
>>> wrote:
>>>> Hmmm... that happened to me too.
>>>>
>>>> Why haven't we fixed this?
>>>>
>>>> Bill
>>>>
>>>> On Sat, Jul 17, 2010 at 8:47 AM, Karthik Krishnan
>>>> <karthik.krishnan at kitware.com> wrote:
>>>>> Known issue.. See this
>>>>>
>>>>>   http://www.itk.org/pipermail/insight-users/2010-June/037360.html
>>>>>
>>>>> and
>>>>>
>>>>>   http://www.itk.org/pipermail/insight-users/2010-July/037404.html
>>>>>
>>>>> I think the consensus is to downgrade to CMake 2.6 from Cmake 2.8
>>>>>
>>>>>
>>>>> On Sat, Jul 17, 2010 at 3:25 PM, Roger Bramon Feixas
>>>>> <rogerbramon at gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> Hi,
>>>>>> I have the same problem reported in this
>>>>>> thread: http://www.itk.org/pipermail/insight-users/2010-March/035903.html,
>>>>>> but any solution was published. I would like to continue the discussion.
>>>>>> I'm trying to compile ITK 3.18 with GDCM 2.0.15. I compiled correctly
>>>>>> GDCM
>>>>>> 2.0.15 with VTK 5.6 but when I set to 1 the ITK_USE_SYSTEM_GDCM option
>>>>>> this
>>>>>> CMake message error appears:
>>>>>> CMake Error at Utilities/MetaIO/CMakeLists.txt:104 (INSTALL):
>>>>>>   install TARGETS given no LIBRARY DESTINATION for shared library target
>>>>>>   "vtkmetaio".
>>>>>>
>>>>>> In the mentioned thread, Brad King proposed a test:
>>>>>> "
>>>>>> Edit ITK/Utilities/MetaIO/CMakeLists.txt to add some message()-s
>>>>>> in this top block:
>>>>>> IF(VTK_VERSION)
>>>>>>   SET(METAIO_FOR_VTK 1)
>>>>>>   MARK_AS_ADVANCED( METAIO_FOR_VTK )
>>>>>>   SET(METAIO_NAMESPACE "vtkmetaio")
>>>>>>   MESSAGE(FATAL_ERRORO "ITK IS NOT VTK!")  # ADD THIS LINE
>>>>>> ELSE(VTK_VERSION)
>>>>>> ...
>>>>>> ENDIF(VTK_VERSION)
>>>>>> Does CMake hit this?  Are you pointing ITK at a VTK? "
>>>>>> I tested it, and yes, CMake hits this.
>>>>>> Anyone have any suggestion?
>>>>>> Thanks,
>>>>>> Roger
>>>>>> _____________________________________
>>>>>> Powered by www.kitware.com
>>>>>>
>>>>>> Visit other Kitware open-source projects at
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>>>>>>
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>>>>>>
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>>>>>>
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>>>>>>
>>>>>
>>>>>
>>>>> _____________________________________
>>>>> Powered by www.kitware.com
>>>>>
>>>>> Visit other Kitware open-source projects at
>>>>> http://www.kitware.com/opensource/opensource.html
>>>>>
>>>>> Kitware offers ITK Training Courses, for more information visit:
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>>>>>
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>>>>>
>>>>>
>>>> _______________________________________________
>>>> Powered by www.kitware.com
>>>>
>>>> Visit other Kitware open-source projects at
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>>>>
>>>> Kitware offers ITK Training Courses, for more information visit:
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>>>>
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>>>
>>>
>>>
>>> --
>>>
>>> ==============================
>>> Stephen R. Aylward, Ph.D.
>>> Director of Medical Imaging Research
>>> Kitware, Inc. - North Carolina Office
>>> http://www.kitware.com
>>> stephen.aylward (Skype)
>>> (919) 969-6990 x300
>>>
>>
>
>
>
> --
>
> ==============================
> Stephen R. Aylward, Ph.D.
> Director of Medical Imaging Research
> Kitware, Inc. - North Carolina Office
> http://www.kitware.com
> stephen.aylward (Skype)
> (919) 969-6990 x300
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Kitware offers ITK Training Courses, for more information visit:
> http://kitware.com/products/protraining.html
>
> Please keep messages on-topic and check the ITK FAQ at:
> http://www.itk.org/Wiki/ITK_FAQ
>
> Follow this link to subscribe/unsubscribe:
> http://www.itk.org/mailman/listinfo/insight-developers
>

-- 
Mathieu