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

EAPI=7
inherit autotools user

DESCRIPTION="A grep for network layers"
HOMEPAGE="https://github.com/jpr5/ngrep"
SRC_URI="${HOMEPAGE}/archive/V${PV/./_}.tar.gz -> ${P}.tar.gz"

LICENSE="ngrep"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
IUSE="ipv6"

DEPEND="
	dev-libs/libpcre
	net-libs/libpcap
"
RDEPEND="
	${DEPEND}
"
DOCS=(
	CHANGES
	CREDITS
	README.md
)
S=${WORKDIR}/${P/./_}
PATCHES=(
	"${FILESDIR}"/${PN}-1.47-regex.patch
)

src_prepare() {
	default
	eautoreconf
}

src_configure() {
	econf \
		$(use_enable ipv6) \
		--disable-pcap-restart \
		--enable-pcre \
		--with-dropprivs-user=ngrep \
		--with-pcap-includes="${EPREFIX}"/usr/include/pcap
}

src_compile() {
	emake -C regex-0.12
	emake STRIPFLAG="${CFLAGS}"
}

pkg_preinst() {
	enewgroup ngrep
	enewuser ngrep -1 -1 -1 ngrep
}