media-plugins/alsa-sndio: Make it multilib

Signed-off-by: Haelwenn (lanodan) Monnier <contact@hacktivis.me>

media-plugins/alsa-sndio/alsa-sndio-0.2.ebuild

@@ -1,8 +1,10 @@
-# Copyright 2020 Gentoo Authors
+# Copyright 2020-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
 
+inherit multilib-minimal
+
 DESCRIPTION="ALSA PCM to play audio on sndio servers"
 HOMEPAGE="https://github.com/Duncaen/alsa-sndio"
 SRC_URI="https://github.com/Duncaen/alsa-sndio/archive/${PV}.tar.gz -> ${P}.tar.gz"
@@ -11,22 +13,26 @@ SLOT="0"
 KEYWORDS="~amd64"
 
 DEPEND="
-	media-libs/alsa-lib
-	media-sound/sndio:=
+	media-libs/alsa-lib[${MULTILIB_USEDEP}]
+	media-sound/sndio:=[${MULTILIB_USEDEP}]
 "
 RDEPEND="${DEPEND}"
 
 src_prepare() {
-	default
+	fix_libdir() {
+		sed -i "s;/lib/alsa-lib/;/$(get_libdir)/alsa-lib/;" "${BUILD_DIR}/Makefile" || die "Failed changing libdir"
+	}
 
-	sed -i "s;/lib/alsa-lib/;/$(get_libdir)/alsa-lib/;" Makefile || die "Failed changing libdir"
+	default
+	multilib_copy_sources
+	multilib_foreach_abi fix_libdir
 }
 
-src_compile() {
+multilib_src_compile() {
 	emake CC="${CC:-gcc}"
 }
 
-src_install() {
+multilib_src_install() {
 	export PREFIX="/usr"
 
 	default