# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

LUA_COMPAT=( lua5-1 luajit )

MY_PN="lua-compat-5.3"
MY_PV="0.10"

inherit lua toolchain-funcs

DESCRIPTION="Backported Lua bit manipulation library"
HOMEPAGE="https://github.com/keplerproject/lua-compat-5.3"
SRC_URI="https://github.com/keplerproject/${MY_PN}/archive/v${MY_PV}.tar.gz -> lua-compat53-${MY_PV}.tar.gz"
S="${WORKDIR}/${MY_PN}-${MY_PV}"

LICENSE="MIT"
SLOT="0"
KEYWORDS="amd64 arm arm64 ~hppa ~ia64 ~ppc ~ppc64 ~riscv ~sparc x86 ~amd64-linux ~riscv-linux ~x86-linux"
IUSE="test"
REQUIRED_USE="${LUA_REQUIRED_USE}"
RESTRICT="!test? ( test )"

DEPEND="${LUA_DEPS}"
RDEPEND="${DEPEND}"

lua_src_compile() {
	local compiler=(
		"$(tc-getCC)"
		"${CFLAGS}"
		"-fPIC"
		"${LDFLAGS}"
		"-DLUA_COMPAT_BITLIB"
		"-Ic-api"
		"$(lua_get_CFLAGS)"
		"-c lbitlib.c"
		"-o lbitlib-${ELUA}.o"
	)
	einfo "${compiler[@]}"
	${compiler[@]} || die

	local linker=(
		"$(tc-getCC)"
		"-shared"
		"${LDFLAGS}"
		"-o bit32-${ELUA}.so"
		"lbitlib-${ELUA}.o"
	)
	einfo "${linker[@]}"
	${linker[@]} || die
}

src_compile() {
	lua_foreach_impl lua_src_compile
}

lua_src_test() {
	LUA_CPATH="./bit32-${ELUA}.so" "${ELUA}" "tests/test-bit32.lua" || die
}

src_test() {
	lua_foreach_impl lua_src_test
}

lua_src_install() {
	exeinto "$(lua_get_cmod_dir)"
	newexe "bit32-${ELUA}.so" "bit32.so"
}

src_install() {
	default

	lua_foreach_impl lua_src_install
}