[Qgis-developer] Problems building for QT5

[Matthias Kuhn]

On 05/06/2015 10:54 AM, Alessandro Pasotti wrote:
> 2015-05-04 20:09 GMT+02:00 Matthias Kuhn <matthias at opengis.ch
> <mailto:matthias at opengis.ch>>:
>
>
>     >
>     > QScintilla was ok but I forgot to change the links for QWT. Now I
>     > downloaded and built QWT using Qt5 version of qmake, then set the
>     > right path but still no luck... I cannot figure out why it is still
>     > linking to libQtCore.so.4
>     >
>
>
>
> Just discovered that QGIS built with QT5 runs fine from the build
> directory  but segfaults from the install directory.
>
> This runs fine from the build directory:
> LD_LIBRARY_PATH=output/lib/ output/bin/qgis
>
> It seems like the install process (make install) removes the runtime
> path from the .so and this causes the problem: running ldd in
> output/lib/ doesn't show any Qt 4 lib while running ldd on the
> installed libqgis_gui.so shows libQtCore.so.4 libQtGui.so.4 etc.
>
> Any idea how to fix this?
Maybe you find something here:
http://www.cmake.org/Wiki/CMake_RPATH_handling

>
> -- 
> Alessandro Pasotti
> w3:   www.itopen.it <http://www.itopen.it>