Version 1.4.2 is available upstream. Please consider updating! It seems that version 1.4.2 is available upstream, while the latest version in the Gentoo tree is 1.4.1. You think this warning is false? Read more about it here.
SoXt is an alternative to SGIs InventorXt library, which is a GUI
binding for using Open Inventor with Xt/Motif. While SoXt has been developed
for use with Coin, it is also possible to compile it against Open Inventor
from SGI or TGS.