[vtkusers] CMAKE + VTK + QT

Nicolas RANNOU nrannou at bwh.harvard.edu
Mon Sep 14 14:39:51 EDT 2009 

Hello,

so I checked the symlink. As you said, 

 /usr/bin/qmake is a symlink pointing to  /etc/alternatives/qmake
 /etc/alternatives/qmake is a symlink pointing  to /usr/bin/qmake-qt4

I checked that it is not pointing to a non-existing file.
 
and
$ dpkg -S /usr/bin/qmake-qt4
returns
qt4-qmake: /usr/bin/qmake-qt4

So everything seem to be fine...

Thanks, 


Nicolas

On Mon, 14 Sep 2009 14:05:43 -0400, Francois Bertel
<francois.bertel at kitware.com> wrote:
> Hello,
> 
> On Ubuntu 9.04, the only packages I installed are libqt4-dev and
> libqt4-dev-dbg. Everything else have been installed by automatic
> dependency solving.
> 
> Notably,
> 
> /usr/bin/qmake is a symlink to  /etc/alternatives/qmake
> /etc/alternatives/qmake is a symlink to /usr/bin/qmake-qt4
> 
> /usr/bin/qmake-qt4 is provided by package "qt4-qmake" (automatically
> installed with the dependency resolution above)
> 
> This command line checks which package provides /usr/bin/qmake-qt4:
> $ dpkg -S /usr/bin/qmake-qt4
> qt4-qmake: /usr/bin/qmake-qt4
> 
> Make sure that you /usr/bin/qmake is not a symlink pointing to an
> non-existing file.
> 
> 
> On Mon, Sep 14, 2009 at 1:46 PM, Nicolas RANNOU <nrannou at bwh.harvard.edu>
> wrote:
>> So I uninstalled the QT version I downloaded from qt.nokia and I only
> kept
>> the packages downloaded with apt-get.
>>
>> "which qmake" returns
>> /usr/bin/qmake
>>
>>  after configuration in the cmake,
>>
>> output:
>> /-----------------------------------------------/
>>  Multiple versions of QT found please set DESIRED_QT_VERSION
>> /-----------------------------------------------/
>>
>> but the qmake is still not found...
>> if I highlight  QT_QMAKE_EXECUTABLE:
>>
>> QT_QMAKE_EXECUTABLE              /usr/bin/qmake-NOTFOUND
>> QT_QMAKE_EXECUTABLE: Invalid qmake found
>>
>>
>>
>>
>> Nicolas
>>
>>
>>
>> On Mon, 14 Sep 2009 18:10:52 +0100, "Adriano Gagliardi"
>> <agagliardi at ara.co.uk> wrote:
>>>  Well, if you installed a version from the repository, I'd stick with
>> that
>>> for the moment. Recompiling Qt from scratch can take a long time even
> on
>> a
>>> quad-core with multiple processes (using make -j30 it still takes
>>> ~30mins).
>>> I'd delete the version you downloaded from qt.nokia.com and try using
> the
>>> repository alone.
>>>
>>> On a side note:
>>>
>>> QT_QMAKE_EXECUTABLE
>>> /home/nico/Work/Libs/QT/qt/bin/qmake-NOTFOUND
>>>  QT_QMAKE_EXECUTABLE: Invalid qmake found
>>>
>>> Can you verify that qmake exists in that directory? qmake-NOTFOUND
>>> suggests
>>> it isn't there. If not, try a `which qmake` to see where it is located.
>>> These are my vars in my CMakeLists.txt:
>>>
>>>
>>
>
QT_INCLUDE_DIR=/raid2/gagliard/Paraview/qt-x11-opensource-src-4.5.0-64-bin/i
>>> nclude
>>>
>>
>
QT_QMAKE_EXECUTABLE=/raid2/gagliard/Paraview/qt-x11-opensource-src-4.5.0-64-
>>> bin/bin/qmake
>>>
>>>
>>>
>>> ===================================
>>>
>>> Adriano Gagliardi MEng PhD
>>> Project Scientist
>>> Computational Aerodynamics
>>> Aircraft Research Association Ltd.
>>> Manton Lane
>>> Bedford
>>>
>>> Tel: 01234 32 4644
>>> E-mail: agagliardi at ara.co.uk
>>> Url: www.ara.co.uk
>>> -----Original Message-----
>>> From: Nicolas RANNOU [mailto:nrannou at bwh.harvard.edu]
>>> Sent: 14 September 2009 17:39
>>> To: agagliardi at ara.co.uk
>>> Subject: RE: [vtkusers] CMAKE + VTK + QT
>>>
>>> Yes I tried it but it returns other errors:
>>>
>>> /-------------------------------------------------/
>>>  Multiple versions of QT found please set DESIRED_QT_VERSION
>>>
>>>  CMake Error: The following variables are used in this project, but
> they
>>> are
>>> set to NOTFOUND.
>>>  Please set them or make sure they are set and tested correctly in the
>>> CMake
>>> files:
>>>  QT_INCLUDE_DIR (ADVANCED)
>>>     used as include directory in directory /home/nico/Work/SimpleView
>>> QT_QT_LIBRARY (ADVANCED)
>>>      linked by target "qtsimpleview" in directory
>>> /home/nico/Work/SimpleView
>>> /-------------------------------------------------/
>>>
>>> and
>>>
>>>  QT_QMAKE_EXECUTABLE
>>> /home/nico/Work/Libs/QT/qt/bin/qmake-NOTFOUND
>>>  QT_QMAKE_EXECUTABLE: Invalid qmake found
>>>
>>> So that is probably my QT installation which fails or some paths which
>> are
>>> not properly defined. I installed  QT downloading sources from
>>> http://qt.nokia.com/downloads and executing the downloaded file (last
>>> version). Moreover, I did
>>>
>>> sudo apt-get install libqt4-dev qt4-dev-tools qt4-doc
>>>
>>> to add some missing packages. How do you proceed to do a clean
>>> installation
>>> of QT? Just downloading and executing the file from
>>> http://qt.nokia.com/downloads? (I am not very familiar with linux)
>>>
>>> Thanks,
>>>
>>>
>>> Nicolas
>>>
>>> On Mon, 14 Sep 2009 17:18:53 +0100, "Adriano Gagliardi"
>>> <agagliardi at ara.co.uk> wrote:
>>>> Try setting QT_QMAKE_EXECUTABLE to the explicit location of qmake in
>>>> advanced options ie QT_QMAKE_EXECUTABLE=/home/john/qt/bin/qmake. Then
>>>> reconfigure and it should pick up the version of Qt, including all the
>>>> libs it requires, based on qmake. This works for me when I'm switching
>>>> between Qt versions.
>>>>
>>>>
>>>> ===================================
>>>>
>>>> Adriano Gagliardi MEng PhD
>>>> Project Scientist
>>>> Computational Aerodynamics
>>>> Aircraft Research Association Ltd.
>>>> Manton Lane
>>>> Bedford
>>>>
>>>> Tel: 01234 32 4644
>>>> E-mail: agagliardi at ara.co.uk
>>>> Url: www.ara.co.uk
>>>> -----Original Message-----
>>>> From: vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] On
>>> Behalf
>>>> Of Nicolas RANNOU
>>>> Sent: 14 September 2009 17:14
>>>> To: vtkusers at vtk.org
>>>> Subject: [vtkusers] CMAKE + VTK + QT
>>>>
>>>> Hi all,
>>>>
>>>> I'm currently trying to build the QT examples in VTK/Examples/GUI.
>>>>
>>>> I'm working on ubuntu 9.
>>>>
>>>> I built cmake doing: sudo apt-get install cmake I built qt doing:
>>>> downloading sources from http://qt.nokia.com/downloads and executing
>>>> the downloaded file (last version).
>>>> I downoaded vtk on kitware website (last version) then built it with
>>>> cmake.
>>>>
>>>> QT and VTK work separately.
>>>>
>>>> But I can't get the vtk QT examples working. I can't even build the
>>>> CMakeLists.txt .
>>>>
>>>>
>>>> I get the following errors when I configure the cmake.
>>>>
>>>> /--------------------------------------------------------/
>>>>  Multiple versions of QT found please set DESIRED_QT_VERSION
>>>>
>>>>  CMake Error: The following variables are used in this project, but
>>>> they are set to NOTFOUND.
>>>>  Please set them or make sure they are set and tested correctly in
> the
>>>> CMake
>>>> files:
>>>>  QT_INCLUDE_DIR (ADVANCED)
>>>>     used as include directory in directory
> /home/nico/Work/SimpleView
>>>> QT_QT_LIBRARY (ADVANCED)
>>>>      linked by target "qtsimpleview" in directory
>>>> /home/nico/Work/SimpleView
>>>> /--------------------------------------------------------/
>>>>
>>>> I changed the QT desired version number to 4 but there are still
> errors:
>>>>
>>>>
>>>> /--------------------------------------------------------/
>>>>
>>>>  CMake was unable to find desired QT version: 4. Set advanced values
>>>> QT_QMAKE_EXECUTABLE and QT4_QGLOBAL_FILE.
>>>>
>>>>  CMake Error: The following variables are used in this project, but
>>>> they are set to NOTFOUND.
>>>>  Please set them or make sure they are set and tested correctly in
> the
>>>> CMake
>>>> files:
>>>>  QT_INCLUDE_DIR (ADVANCED)
>>>>     used as include directory in directory
> /home/nico/Work/SimpleView
>>>> /--------------------------------------------------------/
>>>>
>>>> I've been searching a lot on the internet but I couldn't find the
>>>> solution.
>>>> Maybe do I do something wrong during the installation... Another
>>>> strange thing is that when I configure the CMakelists.txt to build
>>>> VTK, via the GUI, I can't turn USE_QT on or off (the option is not
>>>> available)
>>>>
>>>> Thanks a lot for your help,
>>>>
>>>>
>>>> Nicolas
>>>>
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> GB
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>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>>
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