Either eigen changed the hash of the tarball, or I did not commit its latest hash. I add boost 1.46 apart, because 1.44 does not work easily for freecad. svn path=/nixpkgs/trunk/; revision=26151
svn path=/nixpkgs/trunk/; revision=26145
freecad (that still does not build). svn path=/nixpkgs/trunk/; revision=26135