net-libs/libnftnl: Sync with Gentoo

It's from Gentoo commit c839ffd09ed497f21c61c065b4de9a47ce6bb0e6.

sdk_container/src/third_party/portage-stable/net-libs/libnftnl/Manifest

@@ -1,2 +1,4 @@
 DIST libnftnl-1.2.6.tar.xz 336684 BLAKE2B a08010b26db0c7a5429f33a92ca4f17e8e158005befa5f7e3f37d60456d1b481a3f95f46c0bcec74e98ab040940f533acc279672226f0abc6ce73a26ff56718a SHA512 0c8c369eec84b0c568f0067598bece6e3be9a0fbd977e443ae3b14a5a6d842a6086ceb5426a65f8c77204709655f148c1241193f1a928f8c12154a57e3548b34
 DIST libnftnl-1.2.6.tar.xz.sig 566 BLAKE2B 8ad336d0d8c693beb6335e874ad62040257e0c4527f8acb32fcc8b4889eea88ba3a42c9b2b795db6f6e3d148066ee0a9217b1e30c7e784c793458dd480ee624a SHA512 61288aa03fb80d43d09866ce549815202f682b30b283cf3119ced0fe59536d10f1c029e433651d1cb31115e977b660886a153f3361f5cafdbb0ed6da602e5b2f
+DIST libnftnl-1.2.7.tar.xz 343876 BLAKE2B 42decbfdfce07c4743e7a55cf3d5d03a244ab6ac5e0f33107322ab44edcc96d360ac02f0376786656a5f7d43986499474e20a5b835f838e06d12efb017dd8eb4 SHA512 24ff3e7e97f51cb5dfda2fbd2f5e175abcec0dd58f94936022800ec356ff004a531f0915df72278b867769ba71473d407b01d52cc33a3cafb043d9a90b051f9d
+DIST libnftnl-1.2.7.tar.xz.sig 566 BLAKE2B ad79b0a149d37c0ae32bcf8c64b34e02146242ce731f6860bd8d63d90e96a58e04616d543783b8edc13a0f2ca6286c16c9d8b17c34d8e8920f680a17ee70bde0 SHA512 8bf9188a287850a5057be452541871af69187c4dacde580c57be15e7f3357ab4a874745f326880260e2c2b1486e59b684db41b0d8afd57bab9d77ad62ba052bd

sdk_container/src/third_party/portage-stable/net-libs/libnftnl/libnftnl-1.2.7.ebuild

@@ -0,0 +1,71 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/netfilter.org.asc
+inherit linux-info verify-sig
+
+DESCRIPTION="Netlink API to the in-kernel nf_tables subsystem"
+HOMEPAGE="https://netfilter.org/projects/nftables/"
+
+if [[ ${PV} =~ ^[9]{4,}$ ]]; then
+	inherit autotools git-r3
+	EGIT_REPO_URI="https://git.netfilter.org/${PN}"
+else
+	SRC_URI="
+		https://netfilter.org/projects/${PN}/files/${P}.tar.xz
+		verify-sig? ( https://netfilter.org/projects/${PN}/files/${P}.tar.xz.sig )
+	"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+
+	BDEPEND+="verify-sig? ( sec-keys/openpgp-keys-netfilter )"
+fi
+
+LICENSE="GPL-2"
+SLOT="0/11" # libnftnl.so version
+IUSE="examples static-libs test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=net-libs/libmnl-1.0.4:=
+"
+BDEPEND+="
+	virtual/pkgconfig
+"
+DEPEND="${RDEPEND}"
+
+pkg_setup() {
+	if kernel_is ge 3 13; then
+		CONFIG_CHECK="~NF_TABLES"
+		linux-info_pkg_setup
+	else
+		eerror "This package requires kernel version 3.13 or newer to work properly."
+	fi
+}
+
+src_prepare() {
+	default
+
+	[[ ${PV} =~ ^[9]{4,}$ ]] && eautoreconf
+}
+
+src_configure() {
+	local myeconfargs=(
+		$(use_enable static-libs static)
+	)
+
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+
+	find "${ED}" -type f -name '*.la' -delete || die
+
+	if use examples; then
+		find examples/ -name 'Makefile*' -delete || die "Could not rm examples"
+		dodoc -r examples
+		docompress -x /usr/share/doc/${PF}/examples
+	fi
+}