# dpkg -l | grep mesa
ii  libgl1-mesa-dev                      7.0.2-2                     A free implementation of the OpenGL API -- G
ii  libgl1-mesa-dri                      7.0.2-2                     A free implementation of the OpenGL API -- D
ii  libgl1-mesa-glx                      7.0.2-2                     A free implementation of the OpenGL API -- G
ii  libglu1-mesa                         7.0.2-2                     The OpenGL utility library (GLU)
ii  libglu1-mesa-dev                     7.0.2-2                     The OpenGL utility library -- development fi
ii  mesa-common-dev                      7.0.2-2                     Developer documentation for Mesa
ii  mesa-utils                           7.0.2-2                     Miscellaneous Mesa GL utilities
ii  xlibmesa-dri                         1:7.2-5                     transitional package for Debian etch
ii  xlibmesa-gl                          1:7.2-5                     transitional package for Debian etch
ii  xlibmesa-gl-dev                      1:7.2-5                     transitional package for Debian etch
ii  xlibmesa-glu                         1:7.2-5                     transitional package for Debian etch