# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit toolchain-funcs flag-o-matic

DESCRIPTION="A parallel implementation of gzip"
HOMEPAGE="https://www.zlib.net/pigz/"
SRC_URI="https://www.zlib.net/pigz/${P}.tar.gz"

LICENSE="ZLIB"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~ppc-macos"
IUSE="static test"
RESTRICT="!test? ( test )"

LIB_DEPEND=">=sys-libs/zlib-1.2.3[static-libs(+)]"
RDEPEND="!static? ( ${LIB_DEPEND//\[static-libs(+)]} )"
DEPEND="
	${RDEPEND}
	static? ( ${LIB_DEPEND} )
	test? ( app-arch/ncompress )
"

PATCHES=(
	"${FILESDIR}"/${P}-memcpy-ub.patch
	"${FILESDIR}"/${P}-zlib-1.3.patch
)

src_compile() {
	use static && append-ldflags -static
	emake CC="$(tc-getCC)" CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}"
}

src_install() {
	dobin ${PN}
	dosym ${PN} /usr/bin/un${PN}
	dodoc README
	doman ${PN}.1
}