* 
 * ERROR: x11-base/xorg-server-1.3.0.0-r5 failed.
 * Call stack:
 *                       ebuild.sh, line   49:  Called pkg_setup
 *   xorg-server-1.3.0.0-r5.ebuild, line  336:  Called die
 * The specific snippet of code:
 *   		use nptl && die "${diemsg}"
 *  The die message:
 *   You must build xorg-server and mesa with the same nptl USE setting.
 *