--- mono-1.9.ebuild	2008-03-20 14:21:10.000000000 +0100
+++ mono-1.9-r1.ebuild	2008-04-21 19:39:41.000000000 +0200
@@ -11,7 +11,7 @@
 LICENSE="|| ( GPL-2 LGPL-2 X11 )"
 SLOT="0"
 KEYWORDS="~amd64 ~ppc ~sparc ~x86 ~x86-fbsd"
-IUSE="X nptl"
+IUSE="X nptl moonlight"
 
 RDEPEND="!<dev-dotnet/pnet-0.6.12
 		 >=dev-libs/glib-2.6
@@ -83,7 +83,7 @@
 	# Force the use of monolite mcs to prevent issues with classlibs (bug #118062)
 	touch "${S}"/mcs/build/deps/use-monolite
 
-	econf ${myconf} || die "configure failed"
+	econf ${myconf} $(use_with moonlight) || die "configure failed"
 	emake EXTERNAL_MCS=false EXTERNAL_MONO=false
 
 	if [[ "$?" -ne "0" ]]; then