--- chromium-5.0.307.9.ebuild.orig	2010-02-19 16:36:46.000000000 +0100
+++ chromium-5.0.307.9.ebuild	2010-02-26 13:22:12.000000000 +0100
@@ -40,20 +40,19 @@
 	>=dev-util/pkgconfig-0.23
 	sys-devel/flex"
 
-pkg_setup() {
+pkg_preinst() {
 	# Prevent user problems like bug 299777.
-	if ! grep -q /dev/shm <<< $(get_mounts); then
-		eerror "You don't have tmpfs mounted at /dev/shm."
-		eerror "${PN} isn't going to work in that configuration."
-		eerror "Please uncomment the /dev/shm entry in /etc/fstab,"
-		eerror "run 'mount /dev/shm' and try again."
-		die "/dev/shm is not mounted"
-	fi
-	if [ `stat -c %a /dev/shm` -ne 1777 ]; then
-		eerror "/dev/shm does not have correct permissions."
-		eerror "${PN} isn't going to work in that configuration."
-		eerror "Please run chmod 1777 /dev/shm and try again."
-		die "/dev/shm has incorrect permissions"
+	if [[ ${ROOT} == / ]]; then
+		if [[ ! grep -q /dev/shm <<< $(get_mounts) ]]; then
+			ewarn "You don't have tmpfs mounted at /dev/shm."
+			ewarn "${PN} isn't going to work in that configuration."
+			ewarn "To fix this, please uncomment the /dev/shm entry"
+			ewarn "in /etc/fstab and run 'mount /dev/shm'."
+		fi
+		if [[ $(stat -c %a /dev/shm) != 1777 ]]; then
+			ewarn "/dev/shm does not have correct permissions."
+			ewarn "${PN} isn't going to work in that configuration."
+			ewarn "Please run chmod 1777 /dev/shm to fix this."
 	fi
 
 	elog "${PN} might crash occasionally. To get more useful backtraces"