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

EAPI=7

inherit linux-info udev user

DESCRIPTION="TCG Trusted Platform Module 2.0 Software Stack"
HOMEPAGE="https://github.com/tpm2-software/tpm2-tss"
SRC_URI="https://github.com/tpm2-software/${PN}/releases/download/${PV}/${P}.tar.gz"

LICENSE="BSD-2"
SLOT="0/0"	# sublot is libtss2-sys number
KEYWORDS="~amd64"
IUSE="doc +gcrypt openssl static-libs test"
RESTRICT="!test? ( test )"

REQUIRED_USE="
	gcrypt? ( !openssl )
	openssl? ( !gcrypt )
	|| ( gcrypt openssl )"

RDEPEND="gcrypt? ( dev-libs/libgcrypt:0= )
	openssl? ( dev-libs/openssl:0= )"
DEPEND="${RDEPEND}
	test? ( dev-util/cmocka )"
BDEPEND="virtual/pkgconfig
	doc? ( app-doc/doxygen )"

pkg_setup() {
	local CONFIG_CHECK=" \
		~TCG_TPM
	"
	linux-info_pkg_setup
	kernel_is ge 4 12 0 || ewarn "At least kernel 4.12.0 is required"

	enewgroup tss
	enewuser tss -1 -1 /var/lib/tpm tss
}

src_configure() {
	econf \
		$(use_enable doc doxygen-doc) \
		$(use_enable static-libs static) \
		$(use_enable test unit) \
		--disable-defaultflags \
		--with-crypto="$(usex gcrypt gcrypt ossl)" \
		--with-udevrulesdir="$(get_udevdir)/rules.d" \
		--with-udevrulesprefix=60-
}

src_install() {
	default
	find "${D}" -name '*.la' -delete || die
}