diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/libgpg-error/Manifest b/sdk_container/src/third_party/portage-stable/dev-libs/libgpg-error/Manifest
index 2c992f5d7b..e3b7a53f93 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/libgpg-error/Manifest
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/libgpg-error/Manifest
@@ -4,3 +4,5 @@ DIST libgpg-error-1.53.tar.bz2 1106986 BLAKE2B 9c00543c086f963cf84507ba1a33e4df6
 DIST libgpg-error-1.53.tar.bz2.sig 119 BLAKE2B 421d1a3babc1a0916c8b95ade4550c5003137cc86295ee10d595e2d879057959637e760b4f66b5b5c5edfa5367199b02685c734dafbcb2369abc85fb3998d28f SHA512 62000a0e154219834e3891285f41357cfabdd95c1888f7703c76159529eac73bd2c9b7cd290a287ff93e052bd3ca6c70597b2250ed786c329823d34a0fc3d8cf
 DIST libgpg-error-1.55.tar.bz2 1109437 BLAKE2B ae8bf5d17ebd252b32b05b9686baf2d2e027f5e827dbd7db6fea37570aeeeea2625d416aaea96fbcdfd64fd08de589ef054843b2e3619d22fc8a052a6b5c7e0a SHA512 d3f6ca9d9abefe81f5cbbc195fbe259d3362119018c535ad2621ee407cad3487011325a9f4c4a15442a9ac5a0fe7ce86dafd7b3d891a446516362ba6b7b9047b
 DIST libgpg-error-1.55.tar.bz2.sig 238 BLAKE2B 62d461984fd658a9722183e08b8805c8f48dca06a37de9f8f76e19d3946099ec252c8ef1df76e20f9ea49f5413d87ce4a00b8dd967664125d93089617a42894a SHA512 dee5152818ff9f65d2e7165c378f10a7d07ef58848c7290e98c87ce17aaed37fea82df0c3005b159da2ce8a48a1396037f43b22c5ee9857c01bc86b77181e7a1
+DIST libgpg-error-1.56.tar.bz2 1116017 BLAKE2B 2c84fe5cef8c77dc01f481aeacada815baf7fff85369a9c877dc4a11f2e3f84f37ad69a04213bc79765677dd2829a5074d7c8239b298429484378234cb4d2a66 SHA512 ff4160f4133cf1a90eddf5f59d6248214b59db4f021f124302be37bf04fa1f2eb665560914cbe289095e630a31ba141252e7a72a8e6dbbc622cb135a2066259a
+DIST libgpg-error-1.56.tar.bz2.sig 147 BLAKE2B 13a2642c4b891ab92abfc0d9022b06a1a545b09bb86b460485d26e5626ce7f87f0c08cc2563ddf78153ad35ff68223acec3a87a60aa75192b964e5d17bbc6e9b SHA512 20f3d0af54948479a8d878fe580f6929cad097ca388c7ae314a716574e9edb976b53cd0e5cdb0164485a832dd9961101bbb1a86b053a1492e05717710a14e303
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/libgpg-error/libgpg-error-1.56.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/libgpg-error/libgpg-error-1.56.ebuild
new file mode 100644
index 0000000000..fdcf7bddbe
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/libgpg-error/libgpg-error-1.56.ebuild
@@ -0,0 +1,89 @@
+# Copyright 1999-2025 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=/usr/share/openpgp-keys/gnupg.asc
+inherit libtool multilib-minimal toolchain-funcs verify-sig
+
+DESCRIPTION="Contains error handling functions used by GnuPG software"
+HOMEPAGE="https://www.gnupg.org/related_software/libgpg-error/"
+SRC_URI="mirror://gnupg/${PN}/${P}.tar.bz2"
+SRC_URI+=" verify-sig? ( mirror://gnupg/${PN}/${P}.tar.bz2.sig )"
+
+LICENSE="GPL-2 LGPL-2.1"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="common-lisp nls static-libs test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="nls? ( >=virtual/libintl-0-r1[${MULTILIB_USEDEP}] )"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	nls? ( sys-devel/gettext )
+	verify-sig? ( sec-keys/openpgp-keys-gnupg )
+"
+
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/gpg-error.h
+	/usr/include/gpgrt.h
+)
+
+MULTILIB_CHOST_TOOLS=(
+	/usr/bin/gpg-error-config
+	/usr/bin/gpgrt-config
+)
+
+src_prepare() {
+	default
+	elibtoolize
+
+	if use prefix ; then
+		# don't hardcode /usr/xpg4/bin/sh as shell on Solaris
+		sed -i -e 's:INSTALLSHELLPATH=/usr/xpg4/bin/sh:INSTALLSHELLPATH=/bin/sh:g' configure.ac configure || die
+	fi
+
+	# This check breaks multilib
+	cat <<-EOF > src/gpg-error-config-test.sh.in || die
+	#!@INSTALLSHELLPATH@
+	exit 0
+	EOF
+
+	# only necessary for as long as we run eautoreconf, configure.ac
+	# uses ./autogen.sh to generate PACKAGE_VERSION, but autogen.sh is
+	# not a pure /bin/sh script, so it fails on some hosts
+	#sed -i -e "1s:.*:#\!${BASH}:" autogen.sh || die
+	#eautoreconf
+}
+
+multilib_src_configure() {
+	local myeconfargs=(
+		$(multilib_is_native_abi || echo --disable-languages)
+		$(use_enable common-lisp languages)
+		$(use_enable nls)
+		# required for sys-power/suspend[crypt], bug 751568
+		$(use_enable static-libs static)
+		$(use_enable test tests)
+
+		# See bug #699206 and its duplicates wrt gpgme-config
+		# Upstream no longer install this by default and we should
+		# seek to disable it at some point.
+		--enable-install-gpg-error-config
+
+		--enable-threads
+		CC_FOR_BUILD="$(tc-getBUILD_CC)"
+		$("${S}/configure" --help | grep -o -- '--without-.*-prefix')
+	)
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_install_all() {
+	einstalldocs
+	find "${ED}" -type f -name '*.la' -delete || die
+}