use epatch to apply patch

Package-Manager: portage-2.2.20.1

games-arcade/asteroid/asteroid-1.1.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
-EAPI=4
+EAPI=5
 inherit eutils games
 
 DESCRIPTION="A modern version of the arcade classic that uses OpenGL"
@@ -19,12 +19,14 @@ DEPEND="virtual/opengl
 	virtual/glu
 	media-libs/libsdl
 	media-libs/sdl-mixer"
-RDEPEND="${DEPEND}"
+RDEPEND=${DEPEND}
 
-PATCHES=( "${FILESDIR}"/${P}-include.patch )
+src_prepare() {
+	epatch "${FILESDIR}"/${P}-include.patch
+}
 
 src_install() {
-	emake DESTDIR="${D}" install
-	dodoc asteroid-{authors,changes,readme}.txt
+	DOCS="$(echo asteroid-{authors,changes,readme}.txt)" \
+		default
 	prepgamesdirs
 }