dev-ml/async: convert to opam.eclass

Package-Manager: Portage-2.3.10, Repoman-2.3.3

dev-ml/async/async-0.9.0.ebuild

@@ -3,6 +3,8 @@
 
 EAPI=6
 
+inherit opam
+
 DESCRIPTION="Jane Street Capital's asynchronous execution library"
 HOMEPAGE="https://github.com/janestreet/async"
 SRC_URI="https://github.com/janestreet/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
@@ -12,7 +14,7 @@ SLOT="0/${PV}"
 KEYWORDS="~amd64"
 IUSE=""
 
-RDEPEND=">=dev-lang/ocaml-4.02.0:=
+RDEPEND="
 	dev-ml/async_extra:=
 	dev-ml/async_kernel:=
 	dev-ml/async_unix:=
@@ -21,12 +23,4 @@ RDEPEND=">=dev-lang/ocaml-4.02.0:=
 	dev-ml/ppx_jane:=
 	dev-ml/ocaml-migrate-parsetree:=
 "
-DEPEND="${RDEPEND} dev-ml/opam dev-ml/jbuilder"
-
-src_install() {
-	opam-installer -i \
-		--prefix="${ED}/usr" \
-		--libdir="${D}/$(ocamlc -where)" \
-		--docdir="${ED}/usr/share/doc/${PF}" \
-		${PN}.install || die
-}
+DEPEND="${RDEPEND} dev-ml/jbuilder"