Gentoo Packages

# Copyright 2022-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DISTUTILS_USE_PEP517=no
PYTHON_COMPAT=(python3_{11..13})

inherit distutils-r1 toolchain-funcs

DESCRIPTION="Wren is a small, fast, class-based concurrent scripting language"
HOMEPAGE="https://wren.io/"
SRC_URI="
	https://github.com/wren-lang/${PN}/archive/${PV}.tar.gz
		-> ${P}.tar.gz
	https://github.com/wren-lang/${PN}-cli/archive/${PV}.tar.gz
		-> ${PN}-cli-${PV}.tar.gz
"

LICENSE="MIT"
SLOT="0"
KEYWORDS="amd64 ~arm ~arm64 ~x86"
IUSE="+cli static"

RDEPEND="cli? ( dev-libs/libuv )"
DEPEND="${RDEPEND}"

get_config() {
	case "${ARCH}" in
	amd64 | arm64) echo 'release_64bit' ;;
	arm | x86) echo 'release_32bit' ;;
	*) die "unsupported ARCH: ${ARCH}" ;;
	esac
}

src_prepare() {
	eapply_user

	local f=''
	local makes=(
		projects/make/wren_shared.make
		"${WORKDIR}/wren-cli-${PV}/projects/make/wren_cli.make"
	)
	for f in "${makes[@]}"; do
		# Don't pre-strip
		sed -e '/^ALL_LDFLAGS/s/-s$//' -i "${f}" || die
	done

	cat <<-EOF >${PN}.pc
		prefix="${EPREFIX}/usr"
		libdir="\${prefix}/$(get_libdir)"
		includedir="\${prefix}/include"

		Name: ${PN}
		Description: ${DESCRIPTION}
		URL: ${HOMEPAGE}
		Version: ${PV}
		Libs: "-L\${libdir}" -l${PN}
		Cflags: "-I\${includedir}"
	EOF

	(
		cd "${WORKDIR}/wren-cli-${PV}"
		eapply "${FILESDIR}/${P}-cli-glibc-build.patch"
	)
}

# The test requires `wrem` static library, so build it anyway and then optionally install it or not
# (to disable static build, remove `wren` from `PROJECTS` variable in `projects/make/Makefile`)
src_compile() {
	tc-export CC
	(
		cd projects/make
		emake verbose=1 config="$(get_config)"
	)
	use cli && (
		tc-export_build_env

		local cli="${WORKDIR}/${PN}-cli-${PV}/src"
		local flags=(
			${BUILD_CFLAGS}
			${BUILD_LDFLAGS}
			${BUILD_CPPFLAGS}
		)

		set -- \
			"${CC}" \
			"${flags[@]}" \
			-luv -L./lib -lwren \
			-I"${cli}/cli" -I"${cli}/module" -I./src/include \
			"${cli}"/*/*.c -o "${PN}"

		einfo "${*}"
		ebegin 'building wren cli'
		"${@}"
		eend "${?}" 'failed to build wren cli'

	)
}

python_test() {
	"${EPYTHON}" util/test.py || die
}

src_install() {
	use cli && dobin "${PN}"

	use static && dolib.a lib/libwren.a
	dolib.so lib/libwren.so
	doheader src/include/wren.h
	doheader src/include/wren.hpp

	insinto "/usr/$(get_libdir)/pkgconfig"
	doins "${PN}.pc"

	einstalldocs
}