[Paraview] what if you have two qt-installations?

[Huebl, Axel]

Hm, looks like the cleanest way to get it running is to remove default
installations of qt from the system path(s) and to specificity only one
specific installation via environment flags.

(I am suggesting something that can be achieved with a module system,
e.g. on a cluster)

Alternatively you can try to scratch all the advanced flags together
that are still wrong and set them by hand.

> What does this tell me?

Yep, but basically it is still an environment problem.

Best,
Axel

On 07.08.2014 03:05, B.W.H. van Beest wrote:
> Hi Axel,
> 
> setting CMAKE_PREFIX_PATH does not make a difference. The  special
> variables left that have a reference to the wrong qt installation are
> QT_QT3SUPPORT_LIBRARY and QT3SUPPORT_LIBRARY_RELEASE variables.  Qt5
> does no longer provide Qt4 support .
> 
> Also QT_QTCORE_LIBRARY and QT_QDBUS and QT_GUI_LIBRARY_  are wrong ....
> The correspinding HEADER-varinant are ok, though.
> What does this tell me?
> 
> Regards,
> Bertwim
> 
> 
> On 08/06/2014 11:34 AM, Huebl, Axel wrote:
>> Dear Bertwim,
>>
>>
>> good to hear that.
>>
>> sorry - CMAKE_PREFIX_PATH is an environment variable like "PATH" and
>> "LD_LIBRARY_PATH" to hint install directories to CMake modules.
>>
>> The compile error still looks like something got mixed - can you try
>> again with the CMAKE_PREFIX_PATH hint?
>> Did you verify all "advanced" variables set from the FindQt module with
>> ccmake?
>>
>>
>> Best,
>> Axel
>>
>> On 05.08.2014 21:37, B.W.H. van Beest wrote:
>>> Dear Axel,
>>>
>>> No I haven't. To follow-up on your suggestion, I ran ccmake again to set
>>> this parameter. No CMAKE_PREFIX_PATH is in the list!
>>> What I did try -and what did make a difference, was not only prepending
>>> the path to qt5/lib to  LD_LIBRARY_PATH, but also ensuring that qt/bin
>>> was first in $PATH.  This indeed has the result that all libQt5
>>> directories found were the correct ones.  Maybe that amounts to the same?
>>>
>>> However, Now I have a different compile error:
>>>
>>> CMakeFiles/QtTesting.dir/pqNativeFileDialogEventPlayer.cxx.o: In
>>> function `pqNativeFileDialogEventPlayer::start()':
>>> pqNativeFileDialogEventPlayer.cxx:(.text+0x263): undefined reference to
>>> `qt_filedialog_existing_directory_hook'
>>> pqNativeFileDialogEventPlayer.cxx:(.text+0x285): undefined reference to
>>> `qt_filedialog_open_filename_hook'
>>> pqNativeFileDialogEventPlayer.cxx:(.text+0x2a7): undefined reference to
>>> `qt_filedialog_open_filenames_hook'
>>> pqNativeFileDialogEventPlayer.cxx:(.text+0x2b4): undefined reference to
>>> `qt_filedialog_save_filename_hook'
>>> CMakeFiles/QtTesting.dir/pqNativeFileDialogEventPlayer.cxx.o: In
>>> function `pqNativeFileDialogEventPlayer::stop()':
>>>
>>>
>>> etc.
>>>
>>> Any ideas?
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 08/05/2014 08:38 PM, Huebl, Axel wrote:
>>>> Dear Bertwim,
>>>>
>>>> have you tried prepending/setting the
>>>>   CMAKE_PREFIX_PATH
>>>>
>>>> to your qt5 install dir?
>>>>
>>>> Best,
>>>> Axel
>>>> On 05.08.2014 18:07, B.W.H. van Beest wrote:
>>>>> Hi Burien, thanks for responding.
>>>>>
>>>>> I have done you suggested, but to no avail.
>>>>> Somehow, the path to the executable qmake is not sufficient to determine
>>>>> all the other QT5 libraries.
>>>>> Having said that, in one of the by now many attempts to get paraview
>>>>> configured, I found that indeed the correct QT5 libraries were selected.
>>>>> That build, however failed (missing symbol, cannot remember which one).
>>>>> In trying to correct this is, the wrong QT5 libraries were selected by
>>>>> ccmake. I just cannot figure out how this cmake thing works, or what I
>>>>> can do to force it.
>>>>> Any suggestions?
>>>>>
>>>>> Kind Regards,
>>>>> Bertwim
>>>>>
>>>>>
>>>>>  
>>>>> On 08/04/2014 10:04 PM, Burlen Loring wrote:
>>>>>> system install may be first in the linker search path. have you
>>>>>> checked? If that's it: rm your build, and in addition to
>>>>>> QT_QMAKE_EXECUTABLE, prepend & export your qt install paths to
>>>>>> LD_LIBRARY_PATH and PATH before you run cmake. Each time when you run
>>>>>> PV do the same.
>>>>>>
>>>>>> On 08/04/2014 12:01 PM, B.W.H. van Beest wrote:
>>>>>>> Hello,
>>>>>>>
>>>>>>> On my system, I have 2 installations of QT5. One is the distribution
>>>>>>> that comes with my linux distribution (qt5.1.1.openSuSe 13.1), the other
>>>>>>> one is a more recent version (5.3.1), which I downloaded and installed
>>>>>>> in a different location.
>>>>>>> Using ccmake, setting the QT version to 5, as well as setting
>>>>>>> QT_QMAKE_EXECUTABLE to qmake of the new location,
>>>>>>> I still see that ccmake selects of number of qt5-libraries that belong
>>>>>>> to the old SUSE-distribution, (e.g. libQt5Declarative.so, but many more,
>>>>>>> in fact).  I can build paraview, though, and it even seems to work
>>>>>>> (smoketest), but at program exit it segfaults.
>>>>>>>
>>>>>>> I wonder how I can tell cmake to configure for 1 qt version. Surely, I
>>>>>>> don't need to change all the entries by hand?
>>>>>>>
>>>>>>> Thanks in advance
>>>>>>> Bertwim
>>>
>>>
> 
> 
> 

-- 

Axel Huebl
Diploma Student
Phone +49 351 260 3582
https://www.hzdr.de/crp
Computational Radiation Physics
Laser Particle Acceleration Division
Helmholtz-Zentrum Dresden - Rossendorf e.V.

Bautzner Landstrasse 400, 01328 Dresden
POB 510119, D-01314 Dresden
Vorstand: Prof. Dr.Dr.h.c. R. Sauerbrey
          Prof. Dr.Dr.h.c. P. Joehnk
VR 1693 beim Amtsgericht Dresden

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