Index: scripts/bootstrap-prefix.sh
===================================================================
--- scripts/bootstrap-prefix.sh	(revision 20135)
+++ scripts/bootstrap-prefix.sh	(working copy)
@@ -187,6 +187,7 @@
 
 bootstrap_tree() {
 	local def="20080330"
+	local usrlib=""
 	case ${CHOST} in
 		powerpc-ibm-aix*)            PV="${def}" ;;
 		i*86-apple-darwin8)          PV="${def}" ;;
@@ -203,7 +204,7 @@
 		mips-sgi-irix*)              PV="${def}" ;;
 		i*86-pc-linux-gnu)           PV="${def}" ;;
 		ia64-pc-linux-gnu)           PV="${def}" ;;
-		x86_64-pc-linux-gnu)         PV="${def}" ;;
+		x86_64-pc-linux-gnu)         PV="${def}" ; usrlib="lib64" ;;
 		i*86-pc-netbsdelf*)          PV="${def}" ;; 
 		powerpc-unknown-openbsd*)    PV="${def}" ;;
 		i*86-pc-openbsd*)            PV="${def}" ;;
@@ -222,6 +223,10 @@
 	do
 		[ -d "${ROOT}/${x}" ] || mkdir -p "${ROOT}/${x}"
 	done
+	if [[ "${usrlib}" != "" && ! -d "${ROOT}/usr/${usrlib}" ]]; then
+		mkdir -p "${ROOT}/usr/${usrlib}"
+		[[ -e "${ROOT}/usr/lib" ]] || ( cd "${ROOT}/usr" && ln -s "${usrlib}" lib )
+	fi
 	if [ ! -e "${ROOT}"/usr/portage/.unpacked ]; then
 		cd "${ROOT}"/usr
 		efetch "${PORTAGE_URL}/prefix-overlay-${PV}.tar.bz2"