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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6

inherit pax-utils toolchain-funcs versionator

MY_PV="$(get_version_component_range 1-3)"
MY_P="LuaJIT-${MY_PV}"
if [[ -n $(get_version_component_range 4) ]]; then
	HOTFIX="v${PV}"
	HOTFIX="${HOTFIX/_p/_hotfix}.patch"
fi

DESCRIPTION="Just-In-Time Compiler for the Lua programming language"
HOMEPAGE="http://luajit.org/"
SRC_URI="http://luajit.org/download/${MY_P}.tar.gz
	${HOTFIX:+http://luajit.org/download/${HOTFIX}}"

LICENSE="MIT"
# this should probably be pkgmoved to 2.0 for sake of consistency.
SLOT="2"
KEYWORDS="~amd64 ~arm ~ppc ~x86 ~amd64-linux ~x86-linux"
IUSE="lua52compat static-libs"

PATCHES=(
	"${FILESDIR}/${PN}-2-ldconfig.patch"
	"${FILESDIR}/CVE-2020-15890.patch"
)

S="${WORKDIR}/${MY_P}"

src_prepare() {
	if [[ -n ${HOTFIX} ]]; then
		eapply "${DISTDIR}/${HOTFIX}"
	fi
	default
}

_emake() {
	emake \
		Q= \
		PREFIX="${EPREFIX}/usr" \
		MULTILIB="$(get_libdir)" \
		DESTDIR="${D}" \
		HOST_CC="$(tc-getBUILD_CC)" \
		STATIC_CC="$(tc-getCC)" \
		DYNAMIC_CC="$(tc-getCC) -fPIC" \
		TARGET_LD="$(tc-getCC)" \
		TARGET_AR="$(tc-getAR) rcus" \
		BUILDMODE="$(usex static-libs mixed dynamic)" \
		TARGET_STRIP="true" \
		INSTALL_LIB="${ED%/}/usr/$(get_libdir)" \
		"$@"
}

src_compile() {
	_emake XCFLAGS="$(usex lua52compat "-DLUAJIT_ENABLE_LUA52COMPAT" "")"
}

src_install() {
	_emake install

	pax-mark m "${ED}usr/bin/luajit-${MY_PV}"

	HTML_DOCS="doc/." einstalldocs
}