Here's an updated version of the ebuild, updated for EAPI=2 using USE dependencies, as well as a diff between the current tree and the updated version.
Created attachment 191988 [details] ebuild
Created attachment 191990 [details, diff] patch for ebuild
You can also remove the line: sed -i -e '/strip/d' Makefile because stripping in qmake-generated Makefiles was fixed inside qt4.eclass some time ago. Otherwise the patch looks fine, please apply.
why not, eapi2fyed... :]