--- /usr/portage/media-libs/gmtk/gmtk-1.0.7.ebuild	2013-01-21 06:31:20.000000000 -0500
+++ gmtk-1.0.7.ebuild	2013-12-07 00:38:07.552480407 -0500
@@ -12,10 +12,10 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~alpha amd64 ~ppc ~ppc64 x86"
-IUSE="alsa +dconf pulseaudio"
+IUSE="alsa +dconf pulseaudio gtk3 gnome"
 
 COMMON_DEPEND=">=dev-libs/glib-2.30
-	>=x11-libs/gtk+-3.2:3
+	gtk3? ( >=x11-libs/gtk+-3.2:3 )
 	x11-libs/libX11
 	alsa? ( media-libs/alsa-lib )
 	pulseaudio? ( media-sound/pulseaudio )"
@@ -31,11 +31,11 @@
 src_configure() {
 	econf \
 		--disable-static \
-		--enable-gtk3 \
+		$(use_enable gtk3) \
 		$(use_enable dconf gsettings) \
 		--disable-gconf \
 		$(use_enable !dconf keystore) \
-		--with-gio \
+		$(use_with gnome gio) \
 		$(use_with alsa) \
 		$(use_with pulseaudio)
 }