# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python3_{7,8,9} )

inherit eutils python-single-r1 toolchain-funcs

DESCRIPTION="ELF utils that can check files for security relevant properties"
HOMEPAGE="https://wiki.gentoo.org/index.php?title=Project:Hardened/PaX_Utilities"
SRC_URI="mirror://gentoo/${P}.tar.xz
	https://dev.gentoo.org/~slyfox/distfiles/${P}.tar.xz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="caps debug kernel_linux python seccomp"

RDEPEND="caps? ( >=sys-libs/libcap-2.24 )
	python? (
		${PYTHON_DEPS}
		$(python_gen_cond_dep '
			dev-python/pyelftools[${PYTHON_MULTI_USEDEP}]
		')
	)
	seccomp? ( sys-libs/libseccomp )
"
# >=linux-headers-4.11 to pick linux headers with statx, bug #737094
DEPEND="
	${RDEPEND}
	kernel_linux? ( !prefix-guest? ( >=sys-kernel/linux-headers-4.11 ) )
"
BDEPEND="
	caps? ( virtual/pkgconfig )
	seccomp? ( virtual/pkgconfig )
"
REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"

_emake() {
	emake \
		USE_CAP=$(usex caps) \
		USE_DEBUG=$(usex debug) \
		USE_PYTHON=$(usex python) \
		USE_SECCOMP=$(usex seccomp) \
		"$@"
}

pkg_setup() {
	if use python; then
		python-single-r1_pkg_setup
	fi
}

src_configure() {
	# Avoid slow configure+gnulib+make if on an up-to-date Linux system
	if use prefix || ! use kernel_linux ||
		has_version '<sys-libs/glibc-2.10'
	then
		econf $(use_with caps) $(use_with debug) $(use_with python) $(use_with seccomp)
	else
		tc-export CC PKG_CONFIG
	fi
}

src_compile() {
	_emake
}

src_test() {
	_emake check
}

src_install() {
	_emake DESTDIR="${D}" PKGDOCDIR='$(DOCDIR)'/${PF} install

	use python && python_fix_shebang "${ED}"/usr/bin/lddtree
}