dev-ml/sexplib: use proper install method

Package-Manager: portage-2.2.27
Signed-off-by: Alexis Ballier <aballier@gentoo.org>

dev-ml/sexplib/sexplib-113.24.00.ebuild

@@ -15,10 +15,26 @@ SRC_URI="http://ocaml.janestreet.com/ocaml-core/${PV%.*}/files/${P}.tar.gz"
 
 LICENSE="Apache-2.0"
 SLOT="0/${PV}"
-KEYWORDS="~amd64 ~x86"
+KEYWORDS="~amd64"
 IUSE=""
 
 RDEPEND=">=dev-ml/type-conv-113.00.00:="
-DEPEND="${RDEPEND}"
+DEPEND="${RDEPEND} dev-ml/opam"
 
-DOCS=( "README.md" "CHANGES.md" )
+src_configure() {
+	emake setup.exe
+	OASIS_SETUP_COMMAND="./setup.exe" oasis_src_configure
+}
+
+src_compile() {
+	emake
+}
+
+src_install() {
+	opam-installer -i \
+		--prefix="${ED}/usr" \
+		--libdir="${D}/$(ocamlc -where)" \
+		--docdir="${ED}/usr/share/doc/${PF}" \
+		${PN}.install || die
+	dodoc CHANGES.md README.md
+}