[Paraview] Why does paraview want to install its own duplicate of QT libraries?

[Utkarsh Ayachit]

ParaView doesn't directly need sql. QtHelp uses the sql for the help
(the help that pops up when you hit F1). So long as Qt can find and
use SQL, I think ParaView should be fine.

Utkarsh

On Thu, Jun 3, 2010 at 12:49 AM, François Bissey
<f.r.bissey at massey.ac.nz> wrote:
>> Hi Francois,
>>
>> I apologize for the errors. In 3.8 we reorganized alot of the logic for
>> building ParaView. Previously the install rules for Qt where only run when
>> making a redistributable binary of ParaView for our users to download from
>> our webpage. Now they always get run.
>>
>> A quick fix for this would be to edit Line 103 of
>> Applications\ParaView\CMakeLists.txt and set _install_qt_libs to OFF.
>>
>> SET(_install_qt_libs OFF)
>>
>> We will find a better solution tomorrow. I am assuming your are just
>> setting DESTDIR and running 'make install'?
>>
>> On Wed, Jun 2, 2010 at 7:47 PM, François Bissey
> <f.r.bissey at massey.ac.nz>wrote:
>> > Hi,
>> >
>> > I am trying to update the ebuild for the gentoo linux distribution.
>> > My current process died at install time:
>> > -- Installing: /media/anthill/portage/sci-
>> > visualization/paraview-3.8.0/image/usr/bin/paraview
>> > -- Installing: /media/anthill/portage/sci-
>> > visualization/paraview-3.8.0/image/usr/lib/paraview-3.8/paraview-real
>> > -- Installing /usr/lib/paraview-3.8/libQtCore.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtGui.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtNetwork.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtXml.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtSql.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtHelp.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtWebKit.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtCLucene.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtXmlPatterns.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtDBus.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing /usr/lib/paraview-3.8/libQtOpenGL.so
>> > tar: /usr/lib/paraview-3.8: Cannot chdir: No such file or directory
>> > tar: Error is not recoverable: exiting now
>> > -- Installing: /media/anthill/portage/sci-
>> > visualization/paraview-3.8.0/image/usr/lib/paraview-3.8/sqldrivers
>> > -- Installing: /media/anthill/portage/sci-
>> >
>> > visualization/paraview-3.8.0/image/usr/lib/paraview-3.8/sqldrivers/libqsq
>> > lmysql.so -- Installing: /media/anthill/portage/sci-
>> >
>> > visualization/paraview-3.8.0/image/usr/lib/paraview-3.8/sqldrivers/libqsq
>> > lite.so -- Installing: /media/anthill/portage/sci-
>> > visualization/paraview-3.8.0/image/usr/lib/paraview-3.8/.plugins
>> >
>> > -------------------------------------------
>> > There are several issues in this simple log:
>> > -First the install procedure for the QT libraries doesn't seem to respect
>> > the
>> > DESTDIR variables.
>> > -Second why the heck do you want to have a copy of the QT libraries
>> > provided
>> > by the system inside the paraview library folder? It was not needed by
>> > paraview 3.6.x and if it is needed now, it means something is seriously
>> > broken.
>> >
> I just realised that the last few lines about sqldrivers are actually copies
> from qt-sql. Your fix will get rid of these too.
> What are the requirements of the paraview QT4 client in terms of sql?
> Does it rely on any particular sql implementation?
> On gentoo a user can choose which backend they want to install individually.
> What happens if qt-sql is not present at all?
>
> Francois
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