/home/Void/devel/Qt5.2.0/Tools/QtCreator/lib/qtcreator/plugins/QtProject/libHelp.so: 
Cannot load library /home/Void/devel/Qt5.2.0/Tools/QtCreator/lib/qtcreator/plugins/QtProject/libHelp.so: 
(libudev.so.0: cannot open shared object file: No such file or directory)

$ lddtree libHelp.so
libHelp.so => ./libHelp.so (interpreter => none)
    libCore.so => not found
    libFind.so => not found
    libLocator.so => not found
    libExtensionSystem.so.1 => not found
    libUtils.so.1 => not found
    libAggregation.so.1 => not found
    libQt5WebKitWidgets.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5WebKitWidgets.so.5
        libQt5OpenGL.so.5 => /usr/lib/x86_64-linux-gnu/libQt5OpenGL.so.5
            libGL.so.1 => /usr/lib/nvidia-319/libGL.so.1
                libnvidia-tls.so.319.32 => /usr/lib/nvidia-319/libnvidia-tls.so.319.32
                libnvidia-glcore.so.319.32 => /usr/lib/nvidia-319/libnvidia-glcore.so.319.32
                libXext.so.6 => /usr/lib/i386-linux-gnu/libXext.so.6
                libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2
                    ld-linux.so.2 => /lib/i386-linux-gnu/ld-linux.so.2
            libm.so.6 => /lib/i386-linux-gnu/libm.so.6
        libQt5Sensors.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Sensors.so.5
    libX11.so.6 => /usr/lib/i386-linux-gnu/libX11.so.6
        libxcb.so.1 => /usr/lib/i386-linux-gnu/libxcb.so.1
            libXau.so.6 => /usr/lib/i386-linux-gnu/libXau.so.6
            libXdmcp.so.6 => /usr/lib/i386-linux-gnu/libXdmcp.so.6
    libQt5Help.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5Help.so.5
        libQt5CLucene.so.5 => /usr/lib/x86_64-linux-gnu/libQt5CLucene.so.5
            libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0
        libQt5Sql.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
    libQt5PrintSupport.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5PrintSupport.so.5
    libQt5WebKit.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5WebKit.so.5
        librt.so.1 => /lib/i386-linux-gnu/librt.so.1
        libz.so.1 => /lib/i386-linux-gnu/libz.so.1
        libXrender.so.1 => /usr/lib/x86_64-linux-gnu/libXrender.so.1
        libudev.so.0 => not found
        libXcomposite.so.1 => /usr/lib/x86_64-linux-gnu/libXcomposite.so.1
        libicui18n.so.51 => not found
        libicuuc.so.51 => not found
        libxml2.so.2 => /usr/lib/x86_64-linux-gnu/libxml2.so.2
            liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5
        libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0
            libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3
        libgobject-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
            libffi.so.6 => /usr/lib/i386-linux-gnu/libffi.so.6
        libgstreamer-0.10.so.0 => /usr/lib/x86_64-linux-gnu/libgstreamer-0.10.so.0
            libgmodule-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0
        libgstapp-0.10.so.0 => /usr/lib/x86_64-linux-gnu/libgstapp-0.10.so.0
        libgstbase-0.10.so.0 => /usr/lib/x86_64-linux-gnu/libgstbase-0.10.so.0
        libgstinterfaces-0.10.so.0 => /usr/lib/x86_64-linux-gnu/libgstinterfaces-0.10.so.0
        libgstpbutils-0.10.so.0 => /usr/lib/x86_64-linux-gnu/libgstpbutils-0.10.so.0
        libgstvideo-0.10.so.0 => /usr/lib/x86_64-linux-gnu/libgstvideo-0.10.so.0
            liborc-0.4.so.0 => /usr/lib/x86_64-linux-gnu/liborc-0.4.so.0
        libQt5Quick.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
            libQt5V8.so.5 => /usr/lib/x86_64-linux-gnu/libQt5V8.so.5
        libQt5Qml.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
        libQt5Positioning.so.5 => not found
    libQt5Widgets.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5Widgets.so.5
    libQt5Network.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5Network.so.5
    libQt5Gui.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5Gui.so.5
    libQt5Core.so.5 => /home/Void/devel/Qt5.2.0/5.2.0-beta1/gcc_64/lib/libQt5Core.so.5
        libgthread-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0
        ld-linux-x86-64.so.2 => /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
    libstdc++.so.6 => /usr/lib/i386-linux-gnu/libstdc++.so.6
    libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1
    libc.so.6 => /lib/i386-linux-gnu/libc.so.6

$ aptitude search libudev
i   libudev-dev                             - libudev development files
p   libudev-dev:i386                        - libudev development files
i   libudev1                                - libudev shared library
p   libudev1:i386                           - libudev shared library