[Paraview] plugins with 5.2

[Burlen Loring]

Hi Utkarsh, Happy new year!

I have a couple of questions about the new way.

Shouldn't this be automatically added by ADD_PARAVIEW_PLUGIN macro like 
the rest of the PV related link dependencies?
Should you really need to link Qt to all plugins?

My plugin is a number of simple server side only classes, for ex a 
reader. It has no need of Qt. I'd rather not have Qt as a dependency of 
my project.

Burlen

On 12/22/2016 12:17 PM, Utkarsh Ayachit wrote:
> Burlen,
>
> See Qt dependencies changes documented here: 
> http://www.paraview.org/ParaView3/Doc/Nightly/www/cxx-doc/MajorAPIChanges.html
> include(ParaViewQt) # generally not needed, since auto-included
> pv_find_package_qt(qt_targets
>    QT4_COMPONENTS QtGui
>    QT5_COMPONENTS Widgets)
>
> pv_qt_wrap_cpp(moc_files ${headers})
> pv_qt_wrap_ui(ui_files ${uis})
>
> ...
> target_link_libraries(${target} LINK_PRIVATE ${qt_targets})
>
> Utkarsh
>
> On Wed, Dec 21, 2016 at 1:25 PM, Burlen Loring 
> <burlen.loring at gmail.com <mailto:burlen.loring at gmail.com>> wrote:
>
>     After upgrading to 5.2 my plugin is not compiling. When I
>     configure the plugin I see a few pages of the following:
>
>         CMake Warning (dev) at io/CMakeLists.txt:54 (add_library):
>           Policy CMP0028 is not set: Double colon in target name means
>         ALIAS or
>           IMPORTED target.  Run "cmake --help-policy CMP0028" for
>         policy details.
>           Use the cmake_policy command to set the policy and suppress
>         this warning.
>
>           Target "teca_io" links to target "Qt4::QtCore" but the
>         target was not
>           found.  Perhaps a find_package() call is missing for an
>         IMPORTED target, or
>           an ALIAS target is missing?
>         This warning is for project developers.  Use -Wno-dev to
>         suppress it.
>
>     then linker errors
>
>         [ 32%] Linking CXX shared library ../lib/libteca_io.so
>         /bin/ld: cannot find -lQt4::QtCore
>         /bin/ld: cannot find -lQt4::QtGui
>         collect2: error: ld returned 1 exit status
>         io/CMakeFiles/teca_io.dir/build.make:402: recipe for target
>         'lib/libteca_io.so' failed
>         make[2]: *** [lib/libteca_io.so] Error 1
>         CMakeFiles/Makefile2:196: recipe for target
>         'io/CMakeFiles/teca_io.dir/all' failed
>         make[1]: *** [io/CMakeFiles/teca_io.dir/all] Error 2
>         Makefile:127: recipe for target 'all' failed
>         make: *** [all] Error 2
>
>     It's not a library so I set  the policy to new,  and the cmake
>     configure errors out. Any idea what's missing?
>
>
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