media-plugins/amb-plugins: Port to EAPI 8

Signed-off-by: Jakov Smolić <jsmolic@gentoo.org>

media-plugins/amb-plugins/amb-plugins-0.8.1-r1.ebuild

@@ -1,15 +1,16 @@
 # Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=5
+EAPI=8
 
-inherit epatch multilib toolchain-funcs
+inherit toolchain-funcs
 
-MY_P=${P/amb/AMB}
+MY_P="${P/amb/AMB}"
 
 DESCRIPTION="AMB-plugins ladspa plugin package. Filters by Fons Adriaensen"
 HOMEPAGE="http://kokkinizita.linuxaudio.org/linuxaudio/"
 SRC_URI="http://kokkinizita.linuxaudio.org/linuxaudio/downloads/${MY_P}.tar.bz2"
+S="${WORKDIR}/${MY_P}"
 
 LICENSE="GPL-2"
 SLOT="0"
@@ -18,11 +19,9 @@ KEYWORDS="amd64 x86"
 DEPEND="media-libs/ladspa-sdk"
 RDEPEND="${DEPEND}"
 
-S=${WORKDIR}/${MY_P}
-
-src_prepare() {
-	epatch "${FILESDIR}/${P}-Makefile.patch"
-}
+PATCHES=(
+	"${FILESDIR}"/${P}-Makefile.patch
+)
 
 src_compile() {
 	emake CXX="$(tc-getCXX)"