games-action/gltron: add virtual/glu dep

Closes: https://bugs.gentoo.org/739082
Signed-off-by: Sam James <sam@gentoo.org>

games-action/gltron/gltron-0.70-r2.ebuild

@@ -1,7 +1,7 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
+EAPI=7
 
 inherit desktop
 
@@ -13,7 +13,6 @@ SRC_URI="mirror://sourceforge/${PN}/${P}-source.tar.gz
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
-IUSE=""
 
 DEPEND="
 	media-libs/libmikmod
@@ -22,9 +21,9 @@ DEPEND="
 	media-libs/sdl-mixer[vorbis]
 	media-libs/sdl-sound[vorbis,mikmod]
 	media-libs/smpeg
-	virtual/opengl"
-
-RDEPEND=${DEPEND}
+	virtual/opengl
+	virtual/glu"
+RDEPEND="${DEPEND}"
 
 PATCHES=(
 	"${FILESDIR}"/${P}-configure.patch
@@ -35,6 +34,7 @@ PATCHES=(
 
 src_prepare() {
 	default
+
 	sed -i \
 		-e '/^gltron_LINK/s/$/ $(LDFLAGS)/' \
 		Makefile.in || die
@@ -51,6 +51,7 @@ src_configure() {
 
 src_install() {
 	default
+
 	doicon "${DISTDIR}"/${PN}.png
 	make_desktop_entry ${PN} GLtron
 }