Boole Version	Release date	Notes
v6r4p1	1st March 2005	Version built against Gaudi v15r4, with gcc 3.2.3, on CVS branch v6r2b2 Same as v6r4, for use on Scientific Linux systems without CERN cxxabi patch
v6r4	19th November 2004	Version built against Gaudi v15r3, with gcc 3.2.3, on CVS branch v6r2b2 Compatible with DC'04 data, processes data produced by Gauss v15r4 or later. Output requires Brunel v24r3 or v24r4 (see the release notes). Use v6r4p1 on Scientific Linux systems without CERN cxxabi patch