dev-libs/libassuan: Sync with Gentoo

It's from Gentoo commit 36f5caf1166ce6a279c1e3abe4e8cb30cb7b6ed3.

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

@@ -1 +1,3 @@
 DIST libassuan-2.5.5.tar.bz2 572263 BLAKE2B 24952e97c757b97c387ab4c2c4bf7b040f2874e9326c129805c7f5326fa14d80e083b0842e336a635531a2c8d4a66d428c816bae6b175f1c4518add1ffa3554d SHA512 70117f77aa43bbbe0ed28da5ef23834c026780a74076a92ec775e30f851badb423e9a2cb9e8d142c94e4f6f8a794988c1b788fd4bd2271e562071adf0ab16403
+DIST libassuan-2.5.6.tar.bz2 577012 BLAKE2B 462af1eab69e157f65f8134a492cde01dd1e0ee00609f2c2585e742fb9c5532b3fd96054b4fb7449e305690f70aa7a120085db42e2de2e3b0ef8b1603e7e5846 SHA512 dcca942d222a2c226a7e34ba7988ee0c3c55bd6032166eb472caf2053db89aeeea7a40e93d8c2887c7ee73c5f838e8b0725e8cfb595accc1606646559362f7ee
+DIST libassuan-2.5.6.tar.bz2.sig 119 BLAKE2B 379c6566b2369550bfc4b4616fb71ebdbd9947c183488e2af2261db79be3fc34c5691918f3c560b46c20e02e1aa46c44ee31c1fa3727d191f5801831d34e6721 SHA512 c7765530618128a12f1118278d35d8c33d32b560073dbd691cb92c0d94b75fd5fde65cd3f5db717ddfb907b266fdddc1e7a1e2b15b1b89b7470941dbde8162e3

sdk_container/src/third_party/portage-stable/dev-libs/libassuan/libassuan-2.5.6.ebuild

@@ -0,0 +1,56 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Maintainers should:
+# 1. Join the "Gentoo" project at https://dev.gnupg.org/project/view/27/
+# 2. Subscribe to release tasks like https://dev.gnupg.org/T6159
+# (find the one for the current release then subscribe to it +
+# any subsequent ones linked within so you're covered for a while.)
+
+VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/gnupg.asc
+inherit libtool verify-sig
+
+DESCRIPTION="IPC library used by GnuPG and GPGME"
+HOMEPAGE="https://www.gnupg.org/related_software/libassuan/index.en.html"
+SRC_URI="mirror://gnupg/${PN}/${P}.tar.bz2"
+SRC_URI+=" verify-sig? ( mirror://gnupg/${PN}/${P}.tar.bz2.sig )"
+
+LICENSE="GPL-3 LGPL-2.1"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+
+# Note: On each bump, update dep bounds on each version from configure.ac!
+RDEPEND=">=dev-libs/libgpg-error-1.33"
+DEPEND="${RDEPEND}"
+BDEPEND="verify-sig? ( sec-keys/openpgp-keys-gnupg )"
+
+src_prepare() {
+	default
+
+	if [[ ${CHOST} == *-solaris* ]] ; then
+		elibtoolize
+
+		# fix standards conflict
+		sed -i \
+			-e '/_XOPEN_SOURCE/s/500/600/' \
+			-e 's/_XOPEN_SOURCE_EXTENDED/_NO&/' \
+			-e 's/__EXTENSIONS__/_NO&/' \
+			configure || die
+	fi
+}
+
+src_configure() {
+	local myeconfargs=(
+		GPG_ERROR_CONFIG="${ESYSROOT}/usr/bin/${CHOST}-gpg-error-config"
+		$("${S}/configure" --help | grep -o -- '--without-.*-prefix')
+	)
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+	# ppl need to use libassuan-config for --cflags and --libs
+	find "${ED}" -type f -name '*.la' -delete || die
+}