--- mpfr-2.3.1.ebuild.orig	2008-07-03 14:16:58.000000000 +0300
+++ mpfr-2.3.1.ebuild	2008-07-03 14:11:23.000000000 +0300
@@ -3,7 +3,7 @@
 # $Header: /var/cvsroot/gentoo-x86/dev-libs/mpfr/mpfr-2.3.1.ebuild,v 1.7 2008/05/02 04:55:40 vapier Exp $
 
 # NOTE: we cannot depend on autotools here starting with gcc-4.3.x
-inherit eutils
+inherit eutils toolchain-funcs
 
 MY_PV=${PV/_p*}
 MY_P=${PN}-${MY_PV}
@@ -24,6 +24,9 @@
 src_unpack() {
 	unpack "${MY_P}.tar.bz2"
 	cd "${S}"
+	if tc-is-cross-compiler ; then
+		epatch "${FILESDIR}"/${P}-disable-rpath.patch
+	fi
 	[[ ${PLEVEL} == ${PV} ]] && return 0
 	for ((i=1; i<=PLEVEL; ++i)) ; do
 		patch=patch$(printf '%02d' ${i})