# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

MY_PV=${PV/_p/+}
MY_P=${PN}-${MY_PV}
DESCRIPTION="System for writing extensible parsers for programming languages"
HOMEPAGE="https://github.com/camlp4/camlp4"
SRC_URI="https://github.com/camlp4/camlp4/archive/${MY_PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/${P/_p/-}"

LICENSE="LGPL-2-with-linking-exception"
SLOT="0/${PV}"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux"
IUSE="+ocamlopt"

DEPEND="dev-lang/ocaml:0/4.05[ocamlopt?]"
RDEPEND="${DEPEND}"
DEPEND="${DEPEND}
	dev-ml/ocamlbuild"

src_configure() {
	./configure \
		--bindir="${EPREFIX}/usr/bin" \
		--libdir="$(ocamlc -where)" \
		--pkgdir="$(ocamlc -where)" \
		|| die
}

src_compile() {
	# Increase stack limit to 11GiB to avoid stack overflow error.
	ulimit -s 11530000
	emake byte
	use ocamlopt && emake native
}

src_install() {
	emake DESTDIR="${D}" install install-META
	dodoc CHANGES.md README.md
}