--- ebuild.sh.bak	2009-06-01 22:13:47.000000000 -0400
+++ ebuild.sh	2009-06-01 22:19:27.000000000 -0400
@@ -9,6 +9,11 @@
 export SANDBOX_PREDICT="${SANDBOX_PREDICT:+${SANDBOX_PREDICT}:}/proc/self/maps:/dev/console:/dev/random"
 export SANDBOX_WRITE="${SANDBOX_WRITE:+${SANDBOX_WRITE}:}/dev/shm:/dev/stdout:/dev/stderr:${PORTAGE_TMPDIR}"
 export SANDBOX_READ="${SANDBOX_READ:+${SANDBOX_READ}:}/:/dev/shm:/dev/stdin:${PORTAGE_TMPDIR}"
+if [ -n "${ROOT}" ] ; then
+	export SANDBOX_WRITE="${SANDBOX_WRITE:+${SANDBOX_WRITE}:}/${ROOT}"
+	export SANDBOX_READ="${SANDBOX_READ:+${SANDBOX_READ}:}/${ROOT}"
+	export SANDBOX_DENY="${SANDBOX_DENY:+${SANDBOX_DENY}:}/"
+fi
 # Don't use sandbox's BASH_ENV for new shells because it does
 # 'source /etc/profile' which can interfere with the build
 # environment by modifying our PATH.