# Copyright 2018-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit java-pkg-2 toolchain-funcs

DESCRIPTION="jbigi library used by net-vpn/i2p"
HOMEPAGE="https://geti2p.net"
SRC_URI="https://download.i2p2.de/releases/${PV}/i2psource_${PV}.tar.bz2"

LICENSE="public-domain"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="test"
RESTRICT="!test? ( test )"

DEPEND="
	dev-libs/gmp:0=
	virtual/jdk:1.8
"
RDEPEND="${DEPEND}"

S="${WORKDIR}/i2p-${PV}/core"

PATCHES=(
	"${FILESDIR}/${P}-asmfix.patch"
)

src_compile() {
	local compile_lib
	compile_lib() {
		local name="${1}"
		local file="${2}"
		shift 2

		"$(tc-getCC)" "${@}" ${CFLAGS} $(java-pkg_get-jni-cflags) \
			${LDFLAGS} -shared -fPIC "-Wl,-soname,lib${name}.so" \
			"${file}" -o "lib${name}.so"
	}

	cd "${S}/c/jbigi/jbigi" || die "unable to cd to jbigi"
	compile_lib jbigi src/jbigi.c -Iinclude -lgmp ||
		die "unable to build jbigi"

	if use amd64 || use x86; then
		cd "${S}/c/jcpuid" || die "unable to cd to jcpuid"
		compile_lib jcpuid src/jcpuid.c -Iinclude ||
			die "unable to build jcpuid"
	fi

	if use test; then
		cd "${S}/java/src" || die "unable to cd to java/src"
		ejavac -encoding UTF-8 net/i2p/util/NativeBigInteger.java ||
			die "unable to build tests"
	fi
}

src_test() {
	cd "${S}/java/src" || die "unable to cd to java/src"
	"$(java-config -J)" -Djava.library.path="${S}/c/jbigi/jbigi" net/i2p/util/NativeBigInteger ||
		die "unable to pass tests"
}

src_install() {
	dolib.so c/jbigi/jbigi/libjbigi.so

	if use amd64 || use x86; then
		dolib.so c/jcpuid/libjcpuid.so
	fi
}