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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit linux-mod linux-info verify-sig

DESCRIPTION="Linux Kernel Runtime Guard"
HOMEPAGE="https://lkrg.org"
SRC_URI="https://lkrg.org/download/${P}.tar.gz
	verify-sig? ( https://lkrg.org/download/${P}.tar.gz.sign )"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64"

BDEPEND="verify-sig? ( sec-keys/openpgp-keys-openwall )"

MODULE_NAMES="p_lkrg(misc:${S}:${S})"
VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}/usr/share/openpgp-keys/openwall.asc"

pkg_setup() {
	CONFIG_CHECK="HAVE_KRETPROBES KALLSYMS_ALL KPROBES JUMP_LABEL"
	CONFIG_CHECK+=" MODULE_UNLOAD !PREEMPT_RT ~STACKTRACE"
	linux-mod_pkg_setup

	# compile against selected (not running) target
	BUILD_PARAMS="P_KVER=${KV_FULL} P_KERNEL=${KERNEL_DIR}"
	BUILD_TARGETS="all"
}

src_unpack() {
	if use verify-sig; then
		verify-sig_verify_detached "${DISTDIR}"/${P}.tar.gz{,.sign}
	fi

	default
}