brokenladder@brokenladder:~ $ ldd -r /usr/lib/gstreamer-0.10/libgstvorbis.so
        linux-gate.so.1 =>  (0xffffe000)
        libgsttag-0.10.so.0 => /usr/local/lib/libgsttag-0.10.so.0 (0xb7f51000)
        libgstaudio-0.10.so.0 => /usr/local/lib/libgstaudio-0.10.so.0 (0xb7f3d000)
        libgstreamer-0.10.so.0 => /usr/lib/libgstreamer-0.10.so.0 (0xb7ea8000)
        libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0xb7e6e000)
        libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0xb7e6a000)
        libdl.so.2 => /lib/tls/i686/cmov/libdl.so.2 (0xb7e66000)
        libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0xb7e61000)
        libxml2.so.2 => /usr/lib/libxml2.so.2 (0xb7d48000)
        libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0xb7cb5000)
        libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 (0xb7bb9000)
        libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0xb7b92000)
        libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb7b6c000)
        libogg.so.0 => /usr/lib/libogg.so.0 (0xb7b67000)
        libpthread.so.0 => /lib/tls/i686/cmov/libpthread.so.0 (0xb7b54000)
        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7a1f000)
        libz.so.1 => /usr/lib/libz.so.1 (0xb7a0b000)
        libgstbase-0.10.so.0 => /usr/lib/libgstbase-0.10.so.0 (0xb79ec000)
        libgstinterfaces-0.10.so.0 => /usr/local/lib/libgstinterfaces-0.10.so.0 (0xb79e5000)
        librt.so.1 => /lib/tls/i686/cmov/librt.so.1 (0xb79dc000)
        /lib/ld-linux.so.2 (0x80000000)
undefined symbol: gst_tag_parse_extended_comment        (/usr/lib/gstreamer-0.10/libgstvorbis.so)