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Fixing build issues with phonon-backend-gstreamer-4.5.1

I’ve decided to try and upgrade my LFS system to the latest version of KDE (4.7.3 as of the time of this writing) and correspondingly needed to upgrade phonon-backend-gstreamer. Unfortunately, following the previous version’s compilation instructions provided this nasty message:

[ 4%] Building CXX object gstreamer/CMakeFiles/phonon_gstreamer.dir/audiooutput.cpp.o
In file included from /sources/phonon-backend-gstreamer-4.5.1/gstreamer/audiooutput.cpp:22:0:
/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:200:38: error: ‘NavigationMenu’ is not a member of ‘Phonon::MediaController’
/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:200:38: error: ‘NavigationMenu’ is not a member of ‘Phonon::MediaController’
/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:200:69: error: template argument 1 is invalid/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:262:11: error: ‘NavigationMenu’ is not a member of ‘Phonon::MediaController’
/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:262:11: error: ‘NavigationMenu’ is not a member of ‘Phonon::MediaController’/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:262:42: error: template argument 1 is invalid
/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:263:45: error: ‘Phonon::MediaController::NavigationMenu’ has not been declared
/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:317:11: error: ‘NavigationMenu’ is not a member of ‘Phonon::MediaController’
/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:317:11: error: ‘NavigationMenu’ is not a member of ‘Phonon::MediaController’/sources/phonon-backend-gstreamer-4.5.1/gstreamer/mediaobject.h:317:42: error: template argument 1 is invalid
make[2]: *** [gstreamer/CMakeFiles/phonon_gstreamer.dir/audiooutput.cpp.o] Error 1make[1]: *** [gstreamer/CMakeFiles/phonon_gstreamer.dir/all] Error 2make: *** [all] Error 2

To fix this issue, make sure you have the latest GStreamer and phonon-backend-xine installed. Then I followed some of the advice from this KDE forum topic.

If, like me, you installed Qt into /opt/qt, create a symbolic link into the qt directory pointing to your system’s latest version of phonon. For later success with kde-runtime, create links to the libphonon libraries in /opt/qt-4.7.1/lib to your recently compiled /usr/lib64 versions (adjust paths to /usr/lib on 32-bit systems):

# mv /opt/qt-4.7.1/include/phonon /tmp
# ln -snf /usr/include/phonon /opt/qt-4.7.1/include/phonon
# cd /opt/qt-4.7.1/lib
# rm -rf libphonon*
# ln -snf /usr/lib64/libphonon.so libphonon.so
# ln -snf /usr/lib64/libphonon.so.4 libphonon.so.4
# ln -snf /usr/lib64/libphonon.so.4.5.1 libphonon.so.4.5.1
# ln -snf /usr/lib64/libphononexperimental.so libphononexperimental.so
# ln -snf /usr/lib64/libphononexperimental.so.4 libphononexperimental.so.4
# ln -snf /usr/lib64/libphononexperimental.so.4.5.1 libphononexperimental.so.4.5.1

Then rerun the compilation process for phonon-backend-gstreamer and voila, no more errors. (You’ll probably still have more issues to work out, but this gets past the phonon-backend-gstreamer blockade.)




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