--- /usr/portage/x11-drivers/xf86-input-joystick/xf86-input-joystick-1.6.1.ebuild	2013-01-01 23:35:20.205721240 +0000
+++ /usr/portage/x11-drivers/xf86-input-joystick/xf86-input-joystick-1.6.1.ebuild	2013-01-01 23:58:04.729719632 +0000
@@ -14,3 +14,15 @@
 DEPEND="${RDEPEND}
 	x11-proto/inputproto
 	x11-proto/kbproto"
+
+src_prepare() {
+	xorg-2_src_prepare
+	# aa78e01: "Not installed by default, left for distributors"
+	sed -i '/# UNCOMMENT/{N; N; N; s/\n#/\n/g}' config/50-joystick-all.conf
+}
+
+src_install() {
+	xorg-2_src_install
+	insinto /usr/share/X11/xorg.conf.d
+	doins config/50-joystick-all.conf
+}