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

EAPI=6
WANT_AUTOCONF="2.1"
PYTHON_COMPAT=( python2_7 )
PYTHON_REQ_USE="threads(+)"
inherit autotools toolchain-funcs multilib python-any-r1 versionator pax-utils

MY_PN="js"
TARBALL_PV="$(replace_all_version_separators '' $(get_version_component_range 1-3))"
MY_P="${MY_PN}-${PV}"
TARBALL_P="${MY_PN}${TARBALL_PV}-1.0.0"
DESCRIPTION="Stand-alone JavaScript C library"
HOMEPAGE="https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey"
SRC_URI="https://archive.mozilla.org/pub/js/${TARBALL_P}.tar.gz
	https://dev.gentoo.org/~axs/distfiles/${PN}-slot0-patches-02.tar.xz
	"

LICENSE="NPL-1.1"
SLOT="0/mozjs185"
KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~mips ppc ppc64 ~s390 x86 ~x64-macos"
IUSE="debug minimal static-libs test"
RESTRICT="!test? ( test )"

S="${WORKDIR}/${MY_P}"
BUILDDIR="${S}/js/src"

RDEPEND=">=dev-libs/nspr-4.7.0
	sys-libs/readline:0=
	x64-macos? ( dev-libs/jemalloc )"
DEPEND="${RDEPEND}
	${PYTHON_DEPS}
	app-arch/zip
	virtual/pkgconfig"

PATCHES=(
	"${WORKDIR}"/sm0/${P}-fix-install-symlinks.patch
	"${WORKDIR}"/sm0/${P}-fix-ppc64.patch
	"${WORKDIR}"/sm0/${P}-arm_respect_cflags-3.patch
	"${WORKDIR}"/sm0/${PN}-1.8.7-freebsd-pthreads.patch
	"${WORKDIR}"/sm0/${P}-perf_event-check.patch
	"${WORKDIR}"/sm0/${P}-symbol-versions.patch
	"${WORKDIR}"/sm0/${P}-ia64-fix.patch
	"${WORKDIR}"/sm0/${P}-ia64-static-strings.patch
	"${WORKDIR}"/sm0/${P}-isfinite.patch
	"${FILESDIR}"/${PN}-perl-defined-array-check.patch
	"${WORKDIR}"/sm0/${PN}-1.8.7-x32.patch
	"${WORKDIR}"/sm0/${P}-gcc6.patch
	"${WORKDIR}"/sm0/${P}-drop-asm-volatile-toplevel.patch
	"${FILESDIR}"/${P}-LTO.patch
)

DOCS=( ${S}/README )
HTML_DOCS=( ${BUILDDIR}/README.html )

pkg_setup() {
	if [[ ${MERGE_TYPE} != "binary" ]]; then
		export LC_ALL="C"
	fi
}

src_prepare() {
	pwd

	default

	cd "${BUILDDIR}" || die
	eautoconf

	# remove options that are not correct from js-config
	sed '/lib-filenames/d' -i "${BUILDDIR}"/js-config.in || die "failed to remove invalid option from js-config"
}

src_configure() {
	cd "${BUILDDIR}" || die

	CC="$(tc-getCC)" CXX="$(tc-getCXX)" \
	AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" \
	LD="$(tc-getLD)" \
	ac_cv_lib_dnet_dnet_ntoa=no \
	ac_cv_lib_dnet_stub_dnet_ntoa=no \
	econf \
		${myopts} \
		--enable-jemalloc \
		--enable-readline \
		--enable-threadsafe \
		--with-system-nspr \
		--disable-optimize \
		--disable-profile-guided-optimization \
		$(use_enable debug) \
		$(use_enable static-libs static) \
		$(use_enable test tests)
}

cross_make() {
	emake \
		CFLAGS="${BUILD_CFLAGS}" \
		CXXFLAGS="${BUILD_CXXFLAGS}" \
		AR="${BUILD_AR}" \
		CC="${BUILD_CC}" \
		CXX="${BUILD_CXX}" \
		RANLIB="${BUILD_RANLIB}" \
		"$@"
}
src_compile() {
	cd "${BUILDDIR}" || die
	if tc-is-cross-compiler; then
		tc-export_build_env BUILD_{AR,CC,CXX,RANLIB}
		cross_make jscpucfg host_jsoplengen host_jskwgen
		cross_make -C config nsinstall
		mv {,native-}jscpucfg || die
		mv {,native-}host_jskwgen || die
		mv {,native-}host_jsoplengen || die
		mv config/{,native-}nsinstall || die
		sed -i \
			-e 's@./jscpucfg@./native-jscpucfg@' \
			-e 's@./host_jskwgen@./native-host_jskwgen@' \
			-e 's@./host_jsoplengen@./native-host_jsoplengen@' \
			Makefile || die
		sed -i -e 's@/nsinstall@/native-nsinstall@' config/config.mk || die
		rm -f config/host_nsinstall.o \
			config/host_pathsub.o \
			host_jskwgen.o \
			host_jsoplengen.o || die
	fi
	emake
}

src_test() {
	cd "${BUILDDIR}/jsapi-tests" || die
	# for bug 415791
	pax-mark mr jsapi-tests
	emake check
}

src_install() {
	cd "${BUILDDIR}" || die
	emake DESTDIR="${D}" install
	# bug 437520 , exclude js shell for small systems
	if ! use minimal ; then
		dobin shell/js
		pax-mark m "${ED}/usr/bin/js"
	fi
	einstalldocs

	if ! use static-libs; then
		# We can't actually disable building of static libraries
		# They're used by the tests and in a few other places
		find "${D}" -iname '*.a' -delete || die
	fi
}