sys-libs/libcap-ng: Sync with Gentoo

It's from Gentoo commit 62ab48d8edb336e83f2a8988f09c85766c368c75.

sdk_container/src/third_party/portage-stable/sys-libs/libcap-ng/files/libcap-ng-0.8.4-swig.patch

@@ -0,0 +1,31 @@
+https://bugs.gentoo.org/921305
+https://github.com/stevegrubb/libcap-ng/issues/48
+https://github.com/stevegrubb/libcap-ng/commit/30453b6553948cd05c438f9f509013e3bb84f25b
+
+From 30453b6553948cd05c438f9f509013e3bb84f25b Mon Sep 17 00:00:00 2001
+From: Steve Grubb <ausearch.1@gmail.com>
+Date: Thu, 4 Jan 2024 15:06:29 -0500
+Subject: [PATCH] Remove python global exception handler since its deprecated
+
+---
+ bindings/src/capng_swig.i | 7 -------
+ 2 files changed, 1 insertion(+), 7 deletions(-)
+
+diff --git a/bindings/src/capng_swig.i b/bindings/src/capng_swig.i
+index fcdaf18..fa85e13 100644
+--- a/bindings/src/capng_swig.i
++++ b/bindings/src/capng_swig.i
+@@ -30,13 +30,6 @@
+ 
+ %varargs(16, signed capability = 0) capng_updatev;
+ 
+-%except(python) {
+-  $action
+-  if (result < 0) {
+-    PyErr_SetFromErrno(PyExc_OSError);
+-    return NULL;
+-  }
+-}
+ #endif
+ 
+ %define __signed__

sdk_container/src/third_party/portage-stable/sys-libs/libcap-ng/libcap-ng-0.8.4-r1.ebuild

@@ -0,0 +1,104 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Keep an eye on Fedora's packaging (https://src.fedoraproject.org/rpms/libcap-ng/tree/rawhide) for patches
+# Same maintainer in Fedora as upstream
+PYTHON_COMPAT=( python3_{10..12} )
+inherit autotools flag-o-matic python-r1
+
+DESCRIPTION="POSIX 1003.1e capabilities"
+HOMEPAGE="https://people.redhat.com/sgrubb/libcap-ng/"
+SRC_URI="https://people.redhat.com/sgrubb/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-2+ LGPL-2.1+"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x86-linux"
+IUSE="python static-libs"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RDEPEND="python? ( ${PYTHON_DEPS} )"
+DEPEND="
+	${RDEPEND}
+	sys-kernel/linux-headers
+"
+BDEPEND="python? ( >=dev-lang/swig-2 )"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-swig.patch
+)
+
+src_prepare() {
+	default
+
+	if use prefix ; then
+		sed -i "s@cat /usr@cat ${EPREFIX}/usr@" bindings/python*/Makefile.am || die
+		# bug #668722
+		eautomake
+	fi
+}
+
+src_configure() {
+	use sparc && replace-flags -O? -O0
+
+	local ECONF_SOURCE="${S}"
+
+	local myconf=(
+		$(use_enable static-libs static)
+	)
+
+	local pythonconf=(
+		--without-python3
+	)
+
+	# Set up python bindings build(s)
+	if use python ; then
+		setup_python_flags_configure() {
+			pythonconf=(
+				--with-python3
+			)
+
+			run_in_build_dir econf "${pythonconf[@]}" "${myconf[@]}"
+		}
+
+		python_foreach_impl setup_python_flags_configure
+	else
+		local BUILD_DIR="${WORKDIR}"/build
+		run_in_build_dir econf "${pythonconf[@]}" "${myconf[@]}"
+	fi
+}
+
+src_compile() {
+	if use python ; then
+		python_foreach_impl run_in_build_dir emake
+	else
+		local BUILD_DIR="${WORKDIR}"/build
+		emake -C "${BUILD_DIR}"
+	fi
+}
+
+src_test() {
+	if [[ "${EUID}" -eq 0 ]] ; then
+		ewarn "Skipping tests due to root permissions."
+		return
+	fi
+
+	if use python ; then
+		python_foreach_impl run_in_build_dir emake check
+	else
+		local BUILD_DIR="${WORKDIR}"/build
+		emake -C "${BUILD_DIR}" check
+	fi
+}
+
+src_install() {
+	if use python ; then
+		python_foreach_impl run_in_build_dir emake DESTDIR="${D}" install
+	else
+		local BUILD_DIR="${WORKDIR}"/build
+		emake -C "${BUILD_DIR}" DESTDIR="${D}" install
+	fi
+
+	find "${ED}" -name '*.la' -delete || die
+}