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

EAPI=5

inherit eutils

DESCRIPTION="A source-based package manager for OCaml"
HOMEPAGE="http://opam.ocaml.org/"
LICENSE="LGPL-3-with-linking-exception"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~x86"
IUSE="test"

if [[ ${PV} != 9999 ]]; then
      	SRC_URI="https://github.com/ocaml/${PN}/releases/download/${PV}/${PN}-full-${PV}.tar.gz"
else
	inherit git-r3
	EGIT_REPO_URI="https://github.com/ocaml/opam.git"
fi

S="${WORKDIR}/${PN}-full-${PV}"

RDEPEND=">=dev-lang/ocaml-4.02.3"

DEPEND="${RDEPEND}"

src_configure() {
	econf --prefix="/usr" --with-mccs
	make lib-ext
}

src_compile() {
	#passing -jX to the dune build leads to errors
	make
}

src_install() {
        emake DESTDIR="${D}" install
	#remove spurious opam-installer files
	#see: https://github.com/ocaml/opam/issues/3711
	rm -r "${D}usr/doc/opam-installer" "${D}usr/lib/opam-installer"
	rmdir "${D}usr/doc" "${D}usr/lib"
	dodoc README.md CHANGES AUTHORS CONTRIBUTING.md 
}