Version 0.14.0 is available upstream. Please consider updating! It seems that version 0.14.0 is available upstream, while the latest version in the Gentoo tree is 0.13.1-r2. You think this warning is false? Read more about it here.
This is a package for manipulating geometric shapes. Unlike many
geometry libraries, S2 is primarily designed to work with spherical
geometry, i.e., shapes drawn on a sphere rather than on a planar
2D map. This makes it especially suitable for working with geographic
data.