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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: opam.eclass
# @MAINTAINER:
# Mark Wright <gienah@gentoo.org>
# ML <ml@gentoo.org>
# @AUTHOR:
# Alexis Ballier <aballier@gentoo.org>
# @SUPPORTED_EAPIS: 7 8
# @BLURB: Provides functions for installing opam packages.
# @DESCRIPTION:
# Provides dependencies on opam and ocaml, opam-install and a default
# src_install for opam-based packages.
case ${EAPI} in
7|8) ;;
*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac
# Do not complain about CFLAGS etc since ml projects do not use them.
QA_FLAGS_IGNORED='.*'
# @ECLASS_VARIABLE: OPAM_INSTALLER_DEP
# @PRE_INHERIT
# @DESCRIPTION:
# Override dependency for OPAM_INSTALLER
: ${OPAM_INSTALLER_DEP:="dev-ml/opam-installer"}
RDEPEND=">=dev-lang/ocaml-4:="
BDEPEND="${OPAM_INSTALLER_DEP} dev-lang/ocaml"
DEPEND="${RDEPEND}"
# @ECLASS_VARIABLE: OPAM_INSTALLER
# @DESCRIPTION:
# Eclass can use different opam-installer binary than the one provided in by system.
: ${OPAM_INSTALLER:=opam-installer}
# @FUNCTION: opam-install
# @USAGE: <list of packages>
# @DESCRIPTION:
# Installs the opam packages given as arguments. For each "${pkg}" element in
# that list, "${pkg}.install" must be readable from current working directory.
opam-install() {
local pkg
for pkg ; do
${OPAM_INSTALLER} -i \
--prefix="${ED}/usr" \
--libdir="${D}/$(ocamlc -where)" \
--docdir="${ED}/usr/share/doc/${PF}" \
--mandir="${ED}/usr/share/man" \
"${pkg}.install" || die
done
}
opam_src_install() {
local pkg="${1:-${PN}}"
opam-install "${pkg}"
# Handle opam putting doc in a subdir
if [[ -d ${ED}/usr/share/doc/${PF}/${pkg} ]] ; then
mv "${ED}/usr/share/doc/${PF}/${pkg}/"* "${ED}/usr/share/doc/${PF}/" || die
rmdir "${ED}/usr/share/doc/${PF}/${pkg}" || die
fi
}
EXPORT_FUNCTIONS src_install
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