Version 2.10.12 is available upstream. Please consider updating! It seems that version 2.10.12 is available upstream, while the latest version in the Gentoo tree is 2.10.5. You think this warning is false? Read more about it here.
COIN-OR Branch-and-Cut is a Mixed integer linear programming
solver. It uses many of the COIN-OR components and is designed to be
used with COIN-OR CLP or COIN-OR Dylp. It is available as a library and as a
standalone solver.