# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6

inherit toolchain-funcs

DESCRIPTION="zstd fast compression library"
HOMEPAGE="https://facebook.github.io/zstd/"
SRC_URI="https://github.com/facebook/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="|| ( BSD GPL-2 )"
SLOT="0/1"
KEYWORDS="alpha amd64 arm ~arm64 ~hppa ia64 ~mips ppc ppc64 s390 sparc x86"
IUSE="lz4 static-libs"

RDEPEND="app-arch/xz-utils
	lz4? ( app-arch/lz4 )"
DEPEND="${RDEPEND}"

src_compile() {
	emake \
		CC="$(tc-getCC)" \
		AR="$(tc-getAR)" \
		HAVE_LZ4=$(usex lz4 1 0) \
		PREFIX="${EPREFIX}/usr" \
		LIBDIR="${EPREFIX}/usr/$(get_libdir)" zstd

	emake -C lib \
		CC="$(tc-getCC)" \
		AR="$(tc-getAR)" \
		PREFIX="${EPREFIX}/usr" \
		LIBDIR="${EPREFIX}/usr/$(get_libdir)" libzstd

	emake -C contrib/pzstd \
		CC="$(tc-getCC)" \
		CXX="$(tc-getCXX)" \
		AR="$(tc-getAR)" \
		PREFIX="${EPREFIX}/usr" \
		LIBDIR="${EPREFIX}/usr/$(get_libdir)"

}

src_install() {
	emake \
		DESTDIR="${D}" \
		PREFIX="${EPREFIX}/usr" \
		LIBDIR="${EPREFIX}/usr/$(get_libdir)" install

	emake -C contrib/pzstd \
		DESTDIR="${D}" \
		PREFIX="${EPREFIX}/usr" \
		LIBDIR="${EPREFIX}/usr/$(get_libdir)" install

	einstalldocs

	if ! use static-libs; then
		rm "${ED%/}"/usr/$(get_libdir)/libzstd.a || die
	fi
}