[Ctk-developers] Link problem with DICOM/Qt5

[Christian Askeland]

Hi Steve,

Thanks for the suggestions.

Yes, I decided to kick-start my involvement in CTK by joining the hackfest.
I'll probably postpone the work on Qt5/DICOM until then. With the cool CTK
plugin system this is simply a matter of disabling our DICOM plugin for a
while. See you in Heidelberg!

-Christian

On Wed, Oct 15, 2014 at 7:55 PM, Steve Pieper <pieper at isomics.com> wrote:

> Hi Christian -
>
> First - welcome and thanks for the contributions!
>
> For my part I haven't really tried any of the Qt 5 stuff yet, but I'm not
> sure why it would change the library paths of the dcmtk libraries.
> Probably as a workaround you could set the DYLD_LIBRARY_PATH variable or
> use the ctkAppLauncher to set the paths.
>
> As it happens a bunch of us will be working in Heidelberg in a few weeks
> [1] and Qt5 migration is on the list of hacking topics.  We'll can try to
> sort this out at that meeting if it hasn't been fixed by then.  BTW,
> Heidelberg is not so far from Norway in case you are interested in
> participating.  I think you would find people with a lot of similar
> interests.
>
> -Steve
>
>
> [1] http://www.commontk.org/index.php/CTK-Hackfest-Nov-2014
>
> On Mon, Oct 13, 2014 at 3:48 PM, Christian Askeland <
> christian.askeland at gmail.com> wrote:
>
>> Hi all CTK developers.
>>
>> I have been using CTK for a few months now, integrating the DICOM and
>> plugins modules into our (still) in-house navigation system CustusX. We are
>> all very enthusiastic about the project, and we are in the process of
>> converting our codebase to the CTK plugin framework.
>>
>> Lately we have ported our system to Qt5, and thus did the same change in
>> CTK. I found a few minor issues that broke the build and submitted a pull
>> request for them (#509).
>>
>>
>> There is one problem left: The DICOM examples won't run from the build
>> tree, when on MacOSX10.8. Ubuntu 14.04 works fine.
>>
>> I build with the cmake command (using my own branch git at github.com:SINTEFMedisinskTeknologi/CTK.git,
>> branch CTK-CX-modifications):
>>
>> cmake ../CTK -DCTK_QT_VERSION:STRING=5
>> -DCTK_ENABLE_PluginFramework:BOOL=ON -DCTK_ENABLE_DICOM:BOOL=ON
>> -DCTK_BUILD_EXAMPLES:BOOL=ON
>>
>> When running the ctkDICOM example app, it fails with the message
>>
>> dyld: Library not loaded: libdcmpstat.dylib
>>   Referenced from:
>> /Users/christiana/dev/CTK/build/CTK-build/bin/./ctkDICOM
>>   Reason: image not found
>> Trace/BPT trap: 5
>>
>> Running otool gives:
>>
>> [21:34:37 ~/dev/CTK/build/CTK-build/bin]$ otool -L ./ctkDICOM
>> ./ctkDICOM:
>>
>> /Users/christiana/dev/CTK/build/CTK-build/bin/libCTKDICOMWidgets.0.1.dylib
>> (compatibility version 0.1.0, current version 0.1.0)
>>
>> /Users/christiana/dev/CTK/build/CTK-build/bin/libCTKDICOMCore.0.1.dylib
>> (compatibility version 0.1.0, current version 0.1.0)
>>     libdcmpstat.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmsr.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmtls.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmqrdb.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmnet.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmjpeg.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmimage.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmimgle.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libdcmdata.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     liboflog.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libofstd.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libijg12.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libijg16.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     libijg8.dylib (compatibility version 0.0.0, current version 0.0.0)
>>     /opt/local/Library/Frameworks/QtSql.framework/Versions/5/QtSql
>> (compatibility version 5.3.0, current version 5.3.1)
>> ... (more OK libs)
>>
>> As you can see, the DICOM libs are missing full paths and are thus not
>> found, while the CTK libs load normally.
>>
>> I suspect the error is somehow connected to the new way of definining
>> cmake targets in cmake 2.11 and up (i use 3.0.2), but I cannot find the
>> problem in the CTK source, with which I am only somewhat familiar. Any help
>> or suggestions on how to proceed are welcome.
>>
>> Best Regards,
>>
>> Christian Askeland
>>
>> _______________________________________________
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>>
>>
>
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