dev-ml/xen-gnt: add 4.0.0

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-ml/xen-gnt/Manifest

@@ -1 +1,2 @@
 DIST xen-gnt-4.0.1.tbz 11525 BLAKE2B ff979644451edf867251a16e855760adfa90d248f6cf74d45271072d0e0cdda84c8d1263478670a4e013e846993d9f7b9e8bdbf8dee2ec5e48365131427127c6 SHA512 24d34dc8d21eb65a0ead77b47a772120c084844732d3c4243aa7a6b61a269668c380eb8e625faf06d7d53fe69fc986cc19caec9a188717bdcf850ddee968f839
+DIST xen-gnt-v4.0.0.tbz 11113 BLAKE2B fc96116ad592e5ba64169cbb56c9ff7837fbe512e74185b4b64aae5f37318c41ffa1944596e69c87352e0241de54717aea6ae65d02fe0929616b7be6bf9d2022 SHA512 add0a28fc21bde76cc84b2735efdff1dba1849a95e79cf5946eca9af9c1698a5cc68f0701459631b8eea15b0234942bbeb12e744fef6fccd84e29549303f57d0

dev-ml/xen-gnt/xen-gnt-4.0.0.ebuild

@@ -0,0 +1,49 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MYP="${PN}-v${PV}"
+
+inherit dune multiprocessing
+
+DESCRIPTION="OCaml bindings to the Xen grant tables libraries"
+HOMEPAGE="
+	https://github.com/mirage/ocaml-gnt
+	https://opam.ocaml.org/packages/xen-gnt/
+"
+SRC_URI="https://github.com/mirage/ocaml-gnt/releases/download/v${PV}/${MYP}.tbz"
+S="${WORKDIR}/${MYP}"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="ocamlopt test unix"
+
+DEPEND="
+	>=dev-ml/cstruct-1.0.1:=
+	dev-ml/cmdliner:=
+	>=dev-ml/io-page-2.0.0:=[unix(-)?]
+	dev-ml/lwt:=
+	dev-ml/lwt-dllist:=
+	>=dev-ml/mirage-profile-0.3:=
+
+	unix? ( app-emulation/xen )
+"
+RDEPEND="${DEPEND}"
+
+RESTRICT="!test? ( test )"
+REQUIRED_USE="test? ( unix )"
+
+src_compile() {
+	local pkgs="xen-gnt"
+	if use unix ; then
+		pkgs="${pkgs},xen-gnt-unix"
+	fi
+	dune build -p "${pkgs}" -j $(makeopts_jobs) || die
+}
+
+src_install() {
+	dune_src_install xen-gnt
+	use unix && dune_src_install xen-gnt-unix
+}