--- /usr/portage/net-libs/signond/metadata.xml	2016-01-25 00:06:09.000000000 +0100
+++ /usr/local/portage/net-libs/signond/metadata.xml	2017-12-27 17:41:19.181681521 +0100
@@ -5,4 +5,9 @@
 		<email>kde@gentoo.org</email>
 		<name>Gentoo KDE Project</name>
 	</maintainer>
+	<use>
+		<flag name="kwallet">
+			Enable encrypted storage of secrets with <pkg>kde-frameworks/kwallet</pkg>
+		</flag>
+	</use>
 </pkgmetadata>