dev-ml/ppx_deriving_yojson/ppx_deriving_yojson-3.0.ebuild


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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=5

inherit eutils

DESCRIPTION="A Yojson codec generator for OCaml"
HOMEPAGE="https://github.com/whitequark/ppx_deriving_yojson/"
SRC_URI="https://github.com/whitequark/ppx_deriving_yojson/archive/v${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="MIT"
SLOT="0/${PV}"
KEYWORDS="~amd64"
IUSE="+ocamlopt test"

DEPEND="
	dev-lang/ocaml:=[ocamlopt?]
	dev-ml/yojson:=
	dev-ml/result:=
	>=dev-ml/ppx_deriving-4:=
	dev-ml/cppo:=
"
RDEPEND="${DEPEND}"
DEPEND="${DEPEND}
	dev-ml/findlib
	dev-ml/ocamlbuild
	test? ( dev-ml/ounit dev-ml/ppx_import )"

src_prepare() {
	has_version '>=dev-lang/ocaml-4.05_rc' && epatch "${FILESDIR}/ocaml405.patch"
}

src_compile() {
	cp pkg/META.in pkg/META
	ocaml pkg/build.ml \
		native=$(usex ocamlopt true false) \
		native-dynlink=$(usex ocamlopt true false) \
		|| die
}

src_test() {
	ocamlbuild -j 0 -use-ocamlfind -classic-display src_test/test_ppx_yojson.byte -- || die
}

src_install() {
	opam-installer -i \
		--prefix="${ED}/usr" \
		--libdir="${D}/$(ocamlc -where)" \
		--docdir="${T}/dontinstallit" \
		${PN}.install || die
	dodoc CHANGELOG.md README.md
}