dev-libs/libdnet: Sync with Gentoo

It's from Gentoo commit 528bc788ed5367e2e3b970c34fef7153204a9ce4.

Signed-off-by: Flatcar Buildbot <buildbot@flatcar-linux.org>

sdk_container/src/third_party/portage-stable/dev-libs/libdnet/Manifest

@@ -1 +1,2 @@
 DIST libdnet-1.18.0.tar.gz 740145 BLAKE2B 67f9257e0a05c6c768609c288de9a8704a7ba9d66142bcf849929fa3dbc7b59e379cef2a917d01d4ccfa63b5dfffaf7225f9c67f94e6e91c528a3066fae8c933 SHA512 c074828a1ecd21c292f9120c7afb6b3c11e967d1e0aaca78e75a5558e96f5e65e0d24b68b8386c33c1c28734a3d30f5857d394796e049d521c8b4a9a2c8dcea9
+DIST libdnet-1.18.2.tar.gz 584212 BLAKE2B b8be1547109e6e10781dccfd9addb85440a521ea31831a7270dc4bd44a1fe446927c0303c2f97d7d25fe20d7b5a212b99fa7173815db5c3b65707bbb0c6364f0 SHA512 924541e81b8f4f78a8e682641d0b2cbeb731ce59422582b22171da9d72af7928db25d891b9949f89d12cb71a132ebc7513eb909e2e36018bb7ddb982b1547ef3

sdk_container/src/third_party/portage-stable/dev-libs/libdnet/libdnet-1.18.2.ebuild

@@ -0,0 +1,112 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+DISTUTILS_EXT=1
+DISTUTILS_OPTIONAL=1
+DISTUTILS_USE_PEP517=setuptools
+
+inherit autotools distutils-r1
+
+DESCRIPTION="Simplified, portable interface to several low-level networking routines"
+HOMEPAGE="https://github.com/ofalk/libdnet"
+SRC_URI="https://github.com/ofalk/${PN}/archive/${P}.tar.gz"
+S="${WORKDIR}/${PN}-${P}"
+
+LICENSE="LGPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
+IUSE="python test"
+RESTRICT="!test? ( test )"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+DEPEND="
+	dev-libs/libbsd
+	python? (
+		${PYTHON_DEPS}
+		dev-python/netifaces[${PYTHON_USEDEP}]
+	)
+"
+RDEPEND="${DEPEND}"
+BDEPEND="
+	python? (
+		${DISTUTILS_DEPS}
+		dev-python/cython[${PYTHON_USEDEP}]
+	)
+	test? ( dev-libs/check )
+"
+
+DOCS=( README.md THANKS )
+
+src_prepare() {
+	default
+
+	sed -i \
+		-e 's/libcheck.a/libcheck.so/g' \
+		configure.ac || die
+	sed -i \
+		-e "s/lib\/libcheck/$(get_libdir)\/libcheck/g" \
+		configure.ac || die
+	sed -i \
+		-e 's|-L$libdir ||g' \
+		dnet-config.in || die
+	sed -i \
+		-e '/^SUBDIRS/s|python||g' \
+		Makefile.am || die
+
+	# Stale e.g. pkg-config macros w/ bashisms
+	rm aclocal.m4 {config,m4}/libtool.m4 || die
+
+	AT_M4DIR="config" eautoreconf
+
+	if use python; then
+		cd python || die
+		distutils-r1_src_prepare
+	fi
+}
+
+src_configure() {
+	econf \
+		$(use_with python) \
+		$(use_enable test check)
+}
+
+src_compile() {
+	default
+
+	if use python; then
+		cd python || die
+		distutils-r1_src_compile
+	fi
+}
+
+src_test() {
+	# https://bugs.gentoo.org/778797#c4
+	# check_ip needs privileges and check_fw can't work on Linux
+	emake check XFAIL_TESTS="check_fw check_ip"
+
+	# Needs network access, tries to access 8.8.8.8 to get IP/interfaces.
+	# We could maybe run a daemon or just patch it to avoid that.
+	#if use python; then
+	#	cd python || die
+	#	distutils-r1_src_test
+	#fi
+}
+
+python_test() {
+	eunittest
+}
+
+src_install() {
+	default
+
+	if use python; then
+		cd python || die
+		unset DOCS
+		distutils-r1_src_install
+	fi
+
+	find "${ED}" -name '*.la' -delete || die
+}