--- usr/portage/sys-devel/crossdev/crossdev-99999999.ebuild	2012-04-01 12:02:51.000000000 +0200
+++ overlay/cpcf/sys-devel/crossdev/crossdev-99999999.ebuild	2013-06-09 02:34:21.097024318 +0200
@@ -4,6 +4,8 @@
 
 EAPI="4"
 
+inherit eutils prefix
+
 if [[ ${PV} == "99999999" ]] ; then
 	EGIT_REPO_URI="git://git.overlays.gentoo.org/proj/crossdev.git"
 	inherit git-2
@@ -27,6 +29,12 @@ RDEPEND=">=sys-apps/portage-2.1
 	!sys-devel/crossdev-wrappers"
 DEPEND="app-arch/xz-utils"
 
+src_prepare() {
+	default
+	epatch "${FILESDIR}"/crossdev-git-eprefix.patch
+	eprefixify crossdev wrappers/cross-pkg-config wrappers/etc/portage/make.conf
+}
+
 src_install() {
 	default
 	if [[ "${PV}" == "99999999" ]] ; then