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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI="5"

inherit findlib

DESCRIPTION="Type-driven code generation for OCaml"
HOMEPAGE="https://github.com/whitequark/ppx_deriving"
SRC_URI="https://github.com/whitequark/ppx_deriving/archive/v${PV}.tar.gz -> ${P}.tar.gz"

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

DEPEND="dev-ml/ppx_tools:=
	>=dev-lang/ocaml-4.02.3:=[ocamlopt?]"
RDEPEND="${DEPEND}"
DEPEND="${RDEPEND}
	test? ( dev-ml/ounit )"

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

src_test() {
	ocamlbuild -j 0 -use-ocamlfind -classic-display \
			src_test/test_ppx_deriving.byte -- || die
	if use ocamlopt;  then
		ocamlbuild -j 0 -use-ocamlfind -classic-display \
			src_test/test_ppx_deriving.native -- || die
	fi
}

src_install() {
	findlib_src_preinst
	# Copied from upstream makefile
	grep -E '^[[:space:]]+' ppx_deriving.install | \
		awk '{ print $1 }' | \
		sed -e 's:"?*::g'  | \
		xargs ocamlfind install ppx_deriving || die

	use doc && dohtml api.docdir/*

	dodoc CHANGELOG.md README.md
}