--- /usr/lib/portage/bin/phase-helpers.sh.orig	2013-02-13 22:59:48.000000000 +0100
+++ /usr/lib/portage/bin/phase-helpers.sh	2013-02-14 11:05:41.708911618 +0100
@@ -508,7 +508,7 @@
 			${EXTRA_ECONF}
 		__vecho "${ECONF_SOURCE}/configure" "$@"
 
-		if ! "${ECONF_SOURCE}/configure" "$@" ; then
+		if ! eval "${ECONF_SOURCE}/configure" "$@" ; then
 
 			if [ -s config.log ]; then
 				echo