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# Copyright 2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit cmake

DESCRIPTION="High performance C++ OpenPGP library"
HOMEPAGE="https://www.rnpgp.org/ https://github.com/rnpgp/rnp"
SRC_URI="https://github.com/rnpgp/rnp/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="Apache-2.0 BSD BSD-2"
SLOT="0/0.16.1"
KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
IUSE="+botan man test"

RDEPEND="app-arch/bzip2
	dev-libs/json-c:=
	sys-libs/zlib
	botan? ( dev-libs/botan:2= )
	!botan? ( >=dev-libs/openssl-1.1.1:= )"
DEPEND="${RDEPEND}
	test? ( dev-cpp/gtest )"
BDEPEND="man? ( dev-ruby/asciidoctor )"

RESTRICT="!test? ( test )"
S="${WORKDIR}/${P/*lib/}"

src_configure() {
	local mycmakeargs=(
		-DBUILD_TESTING=$(usex test on off)

		-DCRYPTO_BACKEND=$(usex botan botan openssl)

		-DDOWNLOAD_GTEST=off
		-DDOWNLOAD_RUBYRNP=off

		-DENABLE_COVERAGE=off
		-DENABLE_DOC=$(usex man on off)
		-DENABLE_FUZZERS=off
		-DENABLE_SANITIZERS=off
	)

	if use botan; then
		local mycmakeargs+=(
			-DENABLE_AEAD=on
			-DENABLE_BRAINPOOL=on
			-DENABLE_SM2=on
			-DENABLE_TWOFISH=on
		)

	# OpenSSL support is still not as complete as botan.
	# https://github.com/rnpgp/rnp/issues/1642 AEAD,
	# https://github.com/rnpgp/rnp/issues/1902 BRAINPOOL,
	# https://github.com/rnpgp/rnp/issues/1877 SM2,
	# https://github.com/openssl/openssl/issues/2046 TWOFISH.
	else
		local mycmakeargs+=(
			-DENABLE_AEAD=off
			-DENABLE_BRAINPOOL=off
			-DENABLE_SM2=off
			-DENABLE_TWOFISH=off
		)
	fi

	# Broken in 0.16.1.
	# https://github.com/rnpgp/rnp/issues/1901
	local mycmakeargs+=( -DENABLE_IDEA=off )

	cmake_src_configure
}

src_test() {
	cd "${BUILD_DIR}" || die
	ctest -j"${MAKEOPTS}" -R .* --output-on-failure || die
}