title: libvlc-qt error while executing the example project
body: <p>i'm using qt5 and ubuntu 13.04  </p>
  
  <p>i clone the git repository (git clone git://github.com/ntadej/vlc-qt.git) and i follow the steps written in the readme, this is the output:</p>
  
  <pre><code>tdsxv@tdsxv-M52S-S3P:~/VLCLibrary$ mkdir build
  tdsxv@tdsxv-M52S-S3P:~/VLCLibrary$ cd build/
  tdsxv@tdsxv-M52S-S3P:~/VLCLibrary/build$ cmake .. -DCMAKE_INSTALL_PREFIX=prefix
  -- The C compiler identification is GNU 4.7.3
  -- The CXX compiler identification is GNU 4.7.3
  -- Check for working C compiler: /usr/bin/cc
  -- Check for working C compiler: /usr/bin/cc -- works
  -- Detecting C compiler ABI info
  -- Detecting C compiler ABI info - done
  -- Check for working CXX compiler: /usr/bin/c++
  -- Check for working CXX compiler: /usr/bin/c++ -- works
  -- Detecting CXX compiler ABI info
  -- Detecting CXX compiler ABI info - done
  CMake Warning at /usr/share/cmake-2.8/Modules/FindQt4.cmake:615 (message):
    /usr/bin/qmake reported QT_INSTALL_LIBS as "/usr/lib/i386-linux-gnu" but
    QtCore could not be found there.  Qt is NOT installed correctly for the
    target build environment.
  Call Stack (most recent call first):
    CMakeLists.txt:92 (FIND_PACKAGE)
  
  
  -- Looking for Q_WS_X11
  -- Looking for Q_WS_X11 - not found
  -- Looking for Q_WS_WIN
  -- Looking for Q_WS_WIN - not found
  -- Looking for Q_WS_QWS
  -- Looking for Q_WS_QWS - not found
  -- Looking for Q_WS_MAC
  -- Looking for Q_WS_MAC - not found
  -- Found unsuitable Qt version "5.0.1" from /usr/bin/qmake
  VLC-Qt: Build with Qt5
  VLC-Qt: Build with Widgets: ON
  VLC-Qt: Build with QML: OFF
  VLC-Qt: Build statically: OFF
  -- Found LibVLC include-dir path: /usr/include
  -- Found LibVLC library path:/usr/lib/libvlc.so
  -- Found LibVLCcore library path:/usr/lib/libvlccore.so
  
  VLC-Qt: You are compiling libvlc-qt 0.9.0
  
  -- Git Version Patch: 8fb8b88
  
  VLC-Qt: Build tests: OFF
  
  -- Configuring done
  -- Generating done
  -- Build files have been written to: /home/tdsxv/VLCLibrary/build
  tdsxv@tdsxv-M52S-S3P:~/VLCLibrary/build$ make
  /usr/bin/cmake -H/home/tdsxv/VLCLibrary -B/home/tdsxv/VLCLibrary/build --check-build-system CMakeFiles/Makefile.cmake 0
  /usr/bin/cmake -E cmake_progress_start /home/tdsxv/VLCLibrary/build/CMakeFiles /home/tdsxv/VLCLibrary/build/CMakeFiles/progress.marks
  make -f CMakeFiles/Makefile2 all
  make[1]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  make -f src/core/CMakeFiles/vlc-qt_automoc.dir/build.make src/core/CMakeFiles/vlc-qt_automoc.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  cd /home/tdsxv/VLCLibrary/build &amp;&amp; /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tdsxv/VLCLibrary /home/tdsxv/VLCLibrary/src/core /home/tdsxv/VLCLibrary/build /home/tdsxv/VLCLibrary/build/src/core /home/tdsxv/VLCLibrary/build/src/core/CMakeFiles/vlc-qt_automoc.dir/DependInfo.cmake --color=
  Scanning dependencies of target vlc-qt_automoc
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  make -f src/core/CMakeFiles/vlc-qt_automoc.dir/build.make src/core/CMakeFiles/vlc-qt_automoc.dir/build
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 24
  [  4%] Automoc for target vlc-qt
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/bin/cmake -E cmake_automoc /home/tdsxv/VLCLibrary/build/src/core/CMakeFiles/vlc-qt_automoc.dir/
  Generating moc_Audio.cpp
  Generating moc_Instance.cpp
  Generating moc_Media.cpp
  Generating moc_MediaList.cpp
  Generating moc_MediaListPlayer.cpp
  Generating moc_MediaPlayer.cpp
  Generating moc_Video.cpp
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  24
  [  4%] Built target vlc-qt_automoc
  make -f src/core/CMakeFiles/vlc-qt.dir/build.make src/core/CMakeFiles/vlc-qt.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 1
  [  8%] Generating qrc_logo.cpp
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/lib/i386-linux-gnu/qt5/bin/rcc -name logo -o /home/tdsxv/VLCLibrary/build/src/core/qrc_logo.cpp /home/tdsxv/VLCLibrary/data/logo.qrc
  
  ...
  
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 14
  [ 62%] Building CXX object src/core/CMakeFiles/vlc-qt.dir/VideoMemoryStream.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_SHARED -DVLCQT_CORE_LIBRARY -D_REENTRANT -Dvlc_qt_EXPORTS -fPIE -fPIC -I/usr/include/vlc/plugins -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt.dir/VideoMemoryStream.cpp.o -c /home/tdsxv/VLCLibrary/src/core/VideoMemoryStream.cpp
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 15
  [ 66%] Building CXX object src/core/CMakeFiles/vlc-qt.dir/qrc_logo.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_SHARED -DVLCQT_CORE_LIBRARY -D_REENTRANT -Dvlc_qt_EXPORTS -fPIE -fPIC -I/usr/include/vlc/plugins -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt.dir/qrc_logo.cpp.o -c /home/tdsxv/VLCLibrary/build/src/core/qrc_logo.cpp
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 16
  [ 70%] Building CXX object src/core/CMakeFiles/vlc-qt.dir/vlc-qt_automoc.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_SHARED -DVLCQT_CORE_LIBRARY -D_REENTRANT -Dvlc_qt_EXPORTS -fPIE -fPIC -I/usr/include/vlc/plugins -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt.dir/vlc-qt_automoc.cpp.o -c /home/tdsxv/VLCLibrary/build/src/core/vlc-qt_automoc.cpp
  Linking CXX shared library libvlc-qt.so
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/bin/cmake -E cmake_link_script CMakeFiles/vlc-qt.dir/link.txt --verbose=1
  /usr/bin/c++  -fPIC  -fPIE   -shared -Wl,-soname,libvlc-qt.so.0.9 -o libvlc-qt.so.0.9.0 CMakeFiles/vlc-qt.dir/Audio.cpp.o CMakeFiles/vlc-qt.dir/Common.cpp.o CMakeFiles/vlc-qt.dir/Enums.cpp.o CMakeFiles/vlc-qt.dir/Error.cpp.o CMakeFiles/vlc-qt.dir/Instance.cpp.o CMakeFiles/vlc-qt.dir/Media.cpp.o CMakeFiles/vlc-qt.dir/MediaList.cpp.o CMakeFiles/vlc-qt.dir/MediaListPlayer.cpp.o CMakeFiles/vlc-qt.dir/MediaPlayer.cpp.o CMakeFiles/vlc-qt.dir/MetaManager.cpp.o CMakeFiles/vlc-qt.dir/Video.cpp.o CMakeFiles/vlc-qt.dir/VideoFrame.cpp.o CMakeFiles/vlc-qt.dir/VideoMemoryStream.cpp.o CMakeFiles/vlc-qt.dir/qrc_logo.cpp.o CMakeFiles/vlc-qt.dir/vlc-qt_automoc.cpp.o /usr/lib/i386-linux-gnu/libQt5Core.so.5.0.1 -lvlc -lvlccore 
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/bin/cmake -E cmake_symlink_library libvlc-qt.so.0.9.0 libvlc-qt.so.0.9 libvlc-qt.so
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  [ 70%] Built target vlc-qt
  make -f src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  cd /home/tdsxv/VLCLibrary/build &amp;&amp; /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tdsxv/VLCLibrary /home/tdsxv/VLCLibrary/src/widgets /home/tdsxv/VLCLibrary/build /home/tdsxv/VLCLibrary/build/src/widgets /home/tdsxv/VLCLibrary/build/src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/DependInfo.cmake --color=
  Scanning dependencies of target vlc-qt-widgets_automoc
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  make -f src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/build
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 23
  [ 75%] Automoc for target vlc-qt-widgets
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/cmake -E cmake_automoc /home/tdsxv/VLCLibrary/build/src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/
  Generating moc_ControlAudio.cpp
  Generating moc_ControlVideo.cpp
  Generating moc_WidgetSeek.cpp
  Generating moc_WidgetVideo.cpp
  Generating moc_WidgetVolumeSlider.cpp
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  23
  [ 75%] Built target vlc-qt-widgets_automoc
  make -f src/widgets/CMakeFiles/vlc-qt-widgets.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  cd /home/tdsxv/VLCLibrary/build &amp;&amp; /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tdsxv/VLCLibrary /home/tdsxv/VLCLibrary/src/widgets /home/tdsxv/VLCLibrary/build /home/tdsxv/VLCLibrary/build/src/widgets /home/tdsxv/VLCLibrary/build/src/widgets/CMakeFiles/vlc-qt-widgets.dir/DependInfo.cmake --color=
  Scanning dependencies of target vlc-qt-widgets
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  make -f src/widgets/CMakeFiles/vlc-qt-widgets.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets.dir/build
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 17
  [ 79%] Building CXX object src/widgets/CMakeFiles/vlc-qt-widgets.dir/ControlAudio.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SHARED -DQT_WIDGETS_LIB -DVLCQT_WIDGETS_LIBRARY -D_REENTRANT -Dvlc_qt_widgets_EXPORTS -fPIE -fPIC -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/src/widgets -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt-widgets.dir/ControlAudio.cpp.o -c /home/tdsxv/VLCLibrary/src/widgets/ControlAudio.cpp
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 18
  [ 83%] Building CXX object src/widgets/CMakeFiles/vlc-qt-widgets.dir/ControlVideo.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SHARED -DQT_WIDGETS_LIB -DVLCQT_WIDGETS_LIBRARY -D_REENTRANT -Dvlc_qt_widgets_EXPORTS -fPIE -fPIC -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/src/widgets -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt-widgets.dir/ControlVideo.cpp.o -c /home/tdsxv/VLCLibrary/src/widgets/ControlVideo.cpp
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 19
  [ 87%] Building CXX object src/widgets/CMakeFiles/vlc-qt-widgets.dir/WidgetSeek.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SHARED -DQT_WIDGETS_LIB -DVLCQT_WIDGETS_LIBRARY -D_REENTRANT -Dvlc_qt_widgets_EXPORTS -fPIE -fPIC -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/src/widgets -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt-widgets.dir/WidgetSeek.cpp.o -c /home/tdsxv/VLCLibrary/src/widgets/WidgetSeek.cpp
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 20
  [ 91%] Building CXX object src/widgets/CMakeFiles/vlc-qt-widgets.dir/WidgetVideo.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SHARED -DQT_WIDGETS_LIB -DVLCQT_WIDGETS_LIBRARY -D_REENTRANT -Dvlc_qt_widgets_EXPORTS -fPIE -fPIC -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/src/widgets -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt-widgets.dir/WidgetVideo.cpp.o -c /home/tdsxv/VLCLibrary/src/widgets/WidgetVideo.cpp
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 21
  [ 95%] Building CXX object src/widgets/CMakeFiles/vlc-qt-widgets.dir/WidgetVolumeSlider.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SHARED -DQT_WIDGETS_LIB -DVLCQT_WIDGETS_LIBRARY -D_REENTRANT -Dvlc_qt_widgets_EXPORTS -fPIE -fPIC -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/src/widgets -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt-widgets.dir/WidgetVolumeSlider.cpp.o -c /home/tdsxv/VLCLibrary/src/widgets/WidgetVolumeSlider.cpp
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 22
  [100%] Building CXX object src/widgets/CMakeFiles/vlc-qt-widgets.dir/vlc-qt-widgets_automoc.cpp.o
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/c++   -DQT_CORE_LIB -DQT_GUI_LIB -DQT_SHARED -DQT_WIDGETS_LIB -DVLCQT_WIDGETS_LIBRARY -D_REENTRANT -Dvlc_qt_widgets_EXPORTS -fPIE -fPIC -I/home/tdsxv/VLCLibrary/src -I/home/tdsxv/VLCLibrary/src/core -I/home/tdsxv/VLCLibrary/src/widgets -I/home/tdsxv/VLCLibrary/build/src -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/lib/i386-linux-gnu/qt5/mkspecs/linux-g++    -o CMakeFiles/vlc-qt-widgets.dir/vlc-qt-widgets_automoc.cpp.o -c /home/tdsxv/VLCLibrary/build/src/widgets/vlc-qt-widgets_automoc.cpp
  Linking CXX shared library libvlc-qt-widgets.so
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/cmake -E cmake_link_script CMakeFiles/vlc-qt-widgets.dir/link.txt --verbose=1
  /usr/bin/c++  -fPIC  -fPIE   -shared -Wl,-soname,libvlc-qt-widgets.so.0.9 -o libvlc-qt-widgets.so.0.9.0 CMakeFiles/vlc-qt-widgets.dir/ControlAudio.cpp.o CMakeFiles/vlc-qt-widgets.dir/ControlVideo.cpp.o CMakeFiles/vlc-qt-widgets.dir/WidgetSeek.cpp.o CMakeFiles/vlc-qt-widgets.dir/WidgetVideo.cpp.o CMakeFiles/vlc-qt-widgets.dir/WidgetVolumeSlider.cpp.o CMakeFiles/vlc-qt-widgets.dir/vlc-qt-widgets_automoc.cpp.o  -L/home/tdsxv/VLCLibrary/build/src/core /usr/lib/i386-linux-gnu/libQt5Widgets.so.5.0.1 -lvlc-qt /usr/lib/i386-linux-gnu/libQt5Gui.so.5.0.1 /usr/lib/i386-linux-gnu/libQt5Core.so.5.0.1 -Wl,-rpath,/home/tdsxv/VLCLibrary/build/src/core: 
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/cmake -E cmake_symlink_library libvlc-qt-widgets.so.0.9.0 libvlc-qt-widgets.so.0.9 libvlc-qt-widgets.so
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  17 18 19 20 21 22
  [100%] Built target vlc-qt-widgets
  make[1]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_start /home/tdsxv/VLCLibrary/build/CMakeFiles 0
  tdsxv@tdsxv-M52S-S3P:~/VLCLibrary/build$ make install
  /usr/bin/cmake -H/home/tdsxv/VLCLibrary -B/home/tdsxv/VLCLibrary/build --check-build-system CMakeFiles/Makefile.cmake 0
  /usr/bin/cmake -E cmake_progress_start /home/tdsxv/VLCLibrary/build/CMakeFiles /home/tdsxv/VLCLibrary/build/CMakeFiles/progress.marks
  make -f CMakeFiles/Makefile2 all
  make[1]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  make -f src/core/CMakeFiles/vlc-qt_automoc.dir/build.make src/core/CMakeFiles/vlc-qt_automoc.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  cd /home/tdsxv/VLCLibrary/build &amp;&amp; /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tdsxv/VLCLibrary /home/tdsxv/VLCLibrary/src/core /home/tdsxv/VLCLibrary/build /home/tdsxv/VLCLibrary/build/src/core /home/tdsxv/VLCLibrary/build/src/core/CMakeFiles/vlc-qt_automoc.dir/DependInfo.cmake --color=
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  make -f src/core/CMakeFiles/vlc-qt_automoc.dir/build.make src/core/CMakeFiles/vlc-qt_automoc.dir/build
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 24
  [  4%] Automoc for target vlc-qt
  cd /home/tdsxv/VLCLibrary/build/src/core &amp;&amp; /usr/bin/cmake -E cmake_automoc /home/tdsxv/VLCLibrary/build/src/core/CMakeFiles/vlc-qt_automoc.dir/
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  24
  [  4%] Built target vlc-qt_automoc
  make -f src/core/CMakeFiles/vlc-qt.dir/build.make src/core/CMakeFiles/vlc-qt.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  cd /home/tdsxv/VLCLibrary/build &amp;&amp; /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tdsxv/VLCLibrary /home/tdsxv/VLCLibrary/src/core /home/tdsxv/VLCLibrary/build /home/tdsxv/VLCLibrary/build/src/core /home/tdsxv/VLCLibrary/build/src/core/CMakeFiles/vlc-qt.dir/DependInfo.cmake --color=
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  make -f src/core/CMakeFiles/vlc-qt.dir/build.make src/core/CMakeFiles/vlc-qt.dir/build
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  make[2]: Nessuna operazione da eseguire per "src/core/CMakeFiles/vlc-qt.dir/build".
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  [ 70%] Built target vlc-qt
  make -f src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  cd /home/tdsxv/VLCLibrary/build &amp;&amp; /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tdsxv/VLCLibrary /home/tdsxv/VLCLibrary/src/widgets /home/tdsxv/VLCLibrary/build /home/tdsxv/VLCLibrary/build/src/widgets /home/tdsxv/VLCLibrary/build/src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/DependInfo.cmake --color=
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  make -f src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/build
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles 23
  [ 75%] Automoc for target vlc-qt-widgets
  cd /home/tdsxv/VLCLibrary/build/src/widgets &amp;&amp; /usr/bin/cmake -E cmake_automoc /home/tdsxv/VLCLibrary/build/src/widgets/CMakeFiles/vlc-qt-widgets_automoc.dir/
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  23
  [ 75%] Built target vlc-qt-widgets_automoc
  make -f src/widgets/CMakeFiles/vlc-qt-widgets.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets.dir/depend
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  cd /home/tdsxv/VLCLibrary/build &amp;&amp; /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tdsxv/VLCLibrary /home/tdsxv/VLCLibrary/src/widgets /home/tdsxv/VLCLibrary/build /home/tdsxv/VLCLibrary/build/src/widgets /home/tdsxv/VLCLibrary/build/src/widgets/CMakeFiles/vlc-qt-widgets.dir/DependInfo.cmake --color=
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  make -f src/widgets/CMakeFiles/vlc-qt-widgets.dir/build.make src/widgets/CMakeFiles/vlc-qt-widgets.dir/build
  make[2]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  make[2]: Nessuna operazione da eseguire per "src/widgets/CMakeFiles/vlc-qt-widgets.dir/build".
  make[2]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_report /home/tdsxv/VLCLibrary/build/CMakeFiles  17 18 19 20 21 22
  [100%] Built target vlc-qt-widgets
  make[1]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  /usr/bin/cmake -E cmake_progress_start /home/tdsxv/VLCLibrary/build/CMakeFiles 0
  make -f CMakeFiles/Makefile2 preinstall
  make[1]: ingresso nella directory "/home/tdsxv/VLCLibrary/build"
  make[1]: Nessuna operazione da eseguire per "preinstall".
  make[1]: uscita dalla directory "/home/tdsxv/VLCLibrary/build"
  Install the project...
  /usr/bin/cmake -P cmake_install.cmake
  -- Install configuration: ""
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/lib/libvlc-qt.so.0.9.0
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/lib/libvlc-qt.so.0.9
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/lib/libvlc-qt.so
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Audio.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Common.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Enums.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Error.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Instance.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Media.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/MediaList.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/MediaListPlayer.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/MediaPlayer.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/MetaManager.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/SharedExportCore.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Video.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/VideoDelegate.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/VideoFrame.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/VideoMemoryStream.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/Config.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/lib/libvlc-qt-widgets.so.0.9.0
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/lib/libvlc-qt-widgets.so.0.9
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/lib/libvlc-qt-widgets.so
  -- Removed runtime path from "/home/tdsxv/VLCLibrary/build/prefix/lib/libvlc-qt-widgets.so.0.9.0"
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/ControlAudio.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/ControlVideo.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/SharedExportWidgets.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/WidgetSeek.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/WidgetVideo.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt/WidgetVolumeSlider.h
  -- Installing: /home/tdsxv/VLCLibrary/build/prefix/lib/pkgconfig/libvlc-qt.pc
  tdsxv@tdsxv-M52S-S3P:~/VLCLibrary/build$ 
  </code></pre>
  
  <p>then i open the example (demo-player) with qtcreator. i compile it but when i try to execute i get the error: </p>
  
  <pre><code>Starting /home/tdsxv/VLCLibrary/examples/demo-player-Debug/src/demo-player...
  The program has unexpectedly finished.
  /home/tdsxv/VLCLibrary/examples/demo-player-Debug/src/demo-player exited with code 0
  </code></pre>
  
  <p>if i try to run it in debug mode i getthe error:</p>
  
  <pre><code>The inferior stopped because it received a signal from the Operating System.
  
  Signal name : 
  SIGSEGV
  Signal meaning : 
  Segmentation fault
  </code></pre>
  
  <p>this is the .pro file:</p>
  
  <pre><code>TARGET      = demo-player
  TEMPLATE    = app
  
  QT          += core gui
  greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
  
  SOURCES     += main.cpp\
                 DemoPlayer.cpp
  
  HEADERS     += DemoPlayer.h
  
  FORMS       += DemoPlayer.ui
  
  #LIBS        += -lvlc-qt -lvlc-qt-widgets
  
  # Edit below for custom library location
  LIBS     += -L/home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt -lvlc-qt -lvlc-qt-widgets
  INCLUDEPATH += /home/tdsxv/VLCLibrary/build/prefix/include/vlc-qt
  </code></pre>
  
  <p>why this program doesn't work?</p>