dev-libs/libffi: Sync with Gentoo

It's from Gentoo commit 3958ca88f9dbda6a91b41c76b67fb0098f88f7a2.

sdk_container/src/third_party/portage-stable/dev-libs/libffi/libffi-3.4.4-r2.ebuild

@@ -1,77 +0,0 @@
-# Copyright 1999-2023 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit multilib-minimal preserve-libs
-
-MY_PV=${PV/_rc/-rc}
-MY_P=${PN}-${MY_PV}
-
-DESCRIPTION="Portable, high level programming interface to various calling conventions"
-HOMEPAGE="https://sourceware.org/libffi/"
-SRC_URI="https://github.com/libffi/libffi/releases/download/v${MY_PV}/${MY_P}.tar.gz"
-S="${WORKDIR}"/${MY_P}
-
-LICENSE="MIT"
-# This is a core package which is depended on by e.g. Python
-# Please use preserve-libs.eclass in pkg_{pre,post}inst to cover users
-# with FEATURES="-preserved-libs" or another package manager if SONAME
-# changes.
-SLOT="0/8" # SONAME=libffi.so.8
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
-IUSE="debug exec-static-trampoline pax-kernel static-libs test"
-
-RESTRICT="!test? ( test )"
-BDEPEND="test? ( dev-util/dejagnu )"
-
-PATCHES=(
-	"${FILESDIR}"/${P}-hppa-large-struct.patch
-	"${FILESDIR}"/${P}-hppa-closure-function-ptrs.patch
-	"${FILESDIR}"/${P}-hppa-jump-table.patch
-	"${FILESDIR}"/${PN}-3.4.4-sparc-float-typo.patch
-)
-
-src_prepare() {
-	default
-
-	if [[ ${CHOST} == arm64-*-darwin* ]] ; then
-		# ensure we use aarch64 asm, not x86 on arm64
-		sed -i -e 's/aarch64\*-\*-\*/arm64*-*-*|&/' \
-			configure configure.host || die
-	fi
-}
-
-multilib_src_configure() {
-	# --includedir= path maintains a few properties:
-	# 1. have stable name across libffi versions: some packages like
-	#    dev-lang/ghc or kde-frameworks/networkmanager-qt embed
-	#    ${includedir} at build-time. Don't require those to be
-	#    rebuilt unless SONAME changes. bug #695788
-	#
-	#    We use /usr/.../${PN} (instead of former /usr/.../${P}).
-	#
-	# 2. have ${ABI}-specific location as ffi.h is target-dependent.
-	#
-	#    We use /usr/$(get_libdir)/... to have ABI identifier.
-	ECONF_SOURCE="${S}" econf \
-		--includedir="${EPREFIX}"/usr/$(get_libdir)/${PN}/include \
-		--disable-multi-os-directory \
-		$(use_enable static-libs static) \
-		$(use_enable exec-static-trampoline exec-static-tramp) \
-		$(use_enable pax-kernel pax_emutramp) \
-		$(use_enable debug)
-}
-
-multilib_src_install_all() {
-	einstalldocs
-	find "${ED}" -name "*.la" -delete || die
-}
-
-pkg_preinst() {
-	preserve_old_lib /usr/$(get_libdir)/libffi.so.7
-}
-
-pkg_postinst() {
-	preserve_old_lib_notify /usr/$(get_libdir)/libffi.so.7
-}