diff --git a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/Manifest b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/Manifest
index 04f037d38d..dc2229967e 100644
--- a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/Manifest
+++ b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/Manifest
@@ -1,2 +1 @@
-DIST xz-5.2.3.tar.gz 1490665 BLAKE2B 470791a67fe635165559b0364c9c0e968f3fc32ba7af53d0173d620ca65c68428e0d4d18ada341a063ea3eabb1b51a71cf873218ca0622fd41e01c20a6f04078 SHA512 a5eb4f707cf31579d166a6f95dbac45cf7ea181036d1632b4f123a4072f502f8d57cd6e7d0588f0bf831a07b8fc4065d26589a25c399b95ddcf5f73435163da6
-DIST xz-5.2.4.tar.gz 1572354 BLAKE2B 877242324afd3c7eb21d3a9414c53843f4d1bb089206e8e545e280b32ff5372f7fb4a1b0c27cb6fdf0d0a27a668e9772ecc3fffc181df95d081ca9c2e987b83b SHA512 e5bf6eb88365d2dbdc774db49261fb9fae0544ed297891fc20f1ed223f4072cb0357cbd98146ac35b6d29410a12b6739bbd111cd57d4a225bef255ed46988578
+DIST xz-5.2.5.tar.gz 1791345 BLAKE2B aded57324e129572c41646b3cc3b0b59a459452d9338d9245663b63dac2a463fb1f1b2b1d2d4ad3c09cb71fb8439df52cd94f24db99e782fc899b94a288a3043 SHA512 7443674247deda2935220fbc4dfc7665e5bb5a260be8ad858c8bd7d7b9f0f868f04ea45e62eb17c0a5e6a2de7c7500ad2d201e2d668c48ca29bd9eea5a73a3ce
diff --git a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/metadata.xml b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/metadata.xml
index fac09b7337..290b6fa614 100644
--- a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/metadata.xml
+++ b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/metadata.xml
@@ -6,8 +6,11 @@
 	<name>Gentoo Base System</name>
 </maintainer>
 <use>
-	<flag name='extra-filters'>Build additional filters that are not
+	<flag name="extra-filters">Build additional filters that are not
 		used in any of the default xz presets. This includes delta
 		and BCJ coders, additional match finders and SHA256 checks.</flag>
 </use>
+<upstream>
+	<remote-id type="cpe">cpe:/a:tukaani:xz</remote-id>
+</upstream>
 </pkgmetadata>
diff --git a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.3.ebuild b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.3.ebuild
deleted file mode 100644
index 22e7ad09c6..0000000000
--- a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.3.ebuild
+++ /dev/null
@@ -1,91 +0,0 @@
-# Copyright 1999-2018 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-# Remember: we cannot leverage autotools in this ebuild in order
-#           to avoid circular deps with autotools
-
-EAPI=5
-
-inherit multilib toolchain-funcs libtool multilib-minimal preserve-libs
-
-if [[ ${PV} == "9999" ]] ; then
-	EGIT_REPO_URI="https://git.tukaani.org/xz.git"
-	inherit git-r3 autotools
-	SRC_URI=""
-	EXTRA_DEPEND="sys-devel/gettext dev-vcs/cvs >=sys-devel/libtool-2" #272880 286068
-else
-	MY_P="${PN/-utils}-${PV/_}"
-	SRC_URI="https://tukaani.org/xz/${MY_P}.tar.gz"
-	KEYWORDS="alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~ppc-aix ~x64-cygwin ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-	S=${WORKDIR}/${MY_P}
-	EXTRA_DEPEND=
-fi
-
-DESCRIPTION="utils for managing LZMA compressed files"
-HOMEPAGE="https://tukaani.org/xz/"
-
-# See top-level COPYING file as it outlines the various pieces and their licenses.
-LICENSE="public-domain LGPL-2.1+ GPL-2+"
-SLOT="0"
-IUSE="elibc_FreeBSD +extra-filters nls static-libs +threads"
-
-RDEPEND="!<app-arch/lzma-4.63
-	!app-arch/lzma-utils
-	!<app-arch/p7zip-4.57"
-DEPEND="${RDEPEND}
-	${EXTRA_DEPEND}"
-
-# Tests currently do not account for smaller feature set
-RESTRICT="!extra-filters? ( test )"
-
-src_prepare() {
-	if [[ ${PV} == "9999" ]] ; then
-		eautopoint
-		eautoreconf
-	else
-		elibtoolize  # to allow building shared libs on Solaris/x64
-	fi
-}
-
-multilib_src_configure() {
-	local myconf=(
-		$(use_enable nls)
-		$(use_enable threads)
-		$(use_enable static-libs static)
-	)
-	multilib_is_native_abi ||
-		myconf+=( --disable-{xz,xzdec,lzmadec,lzmainfo,lzma-links,scripts} )
-	if ! use extra-filters; then
-		myconf+=(
-			# LZMA1 + LZMA2 for standard .lzma & .xz files
-			--enable-encoders=lzma1,lzma2
-			--enable-decoders=lzma1,lzma2
-			# those are used by default, depending on preset
-			--enable-match-finders=hc3,hc4,bt4
-			# CRC64 is used by default, though some (old?) files use CRC32
-			--enable-checks=crc32,crc64
-		)
-	fi
-
-	use elibc_FreeBSD && export ac_cv_header_sha256_h=no #545714
-	ECONF_SOURCE="${S}" econf "${myconf[@]}"
-}
-
-multilib_src_install() {
-	default
-	gen_usr_ldscript -a lzma
-}
-
-multilib_src_install_all() {
-	prune_libtool_files --all
-	rm "${ED}"/usr/share/doc/xz/COPYING* || die
-	mv "${ED}"/usr/share/doc/{xz,${PF}} || die
-}
-
-pkg_preinst() {
-	preserve_old_lib /usr/$(get_libdir)/liblzma$(get_libname 0)
-}
-
-pkg_postinst() {
-	preserve_old_lib_notify /usr/$(get_libdir)/liblzma$(get_libname 0)
-}
diff --git a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.4-r2.ebuild b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.5-r1.ebuild
similarity index 69%
rename from sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.4-r2.ebuild
rename to sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.5-r1.ebuild
index 5a32471e2d..d628150b10 100644
--- a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.4-r2.ebuild
+++ b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-5.2.5-r1.ebuild
@@ -1,25 +1,24 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Remember: we cannot leverage autotools in this ebuild in order
 #           to avoid circular deps with autotools
 
-EAPI=6
+EAPI=7
 
-inherit multilib toolchain-funcs libtool multilib-minimal preserve-libs
+inherit libtool multilib multilib-minimal preserve-libs usr-ldscript
 
 if [[ ${PV} == "9999" ]] ; then
 	EGIT_REPO_URI="https://git.tukaani.org/xz.git"
 	inherit git-r3 autotools
 	SRC_URI=""
-	EXTRA_DEPEND="sys-devel/gettext dev-vcs/cvs >=sys-devel/libtool-2" #272880 286068
+	BDEPEND="sys-devel/gettext dev-vcs/cvs >=sys-devel/libtool-2" #272880 286068
 else
 	MY_P="${PN/-utils}-${PV/_}"
 	SRC_URI="https://tukaani.org/xz/${MY_P}.tar.gz"
 	[[ "${PV}" == *_alpha* ]] || [[ "${PV}" == *_beta* ]] || \
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~ppc-aix ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+	KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 	S="${WORKDIR}/${MY_P}"
-	EXTRA_DEPEND=
 fi
 
 DESCRIPTION="utils for managing LZMA compressed files"
@@ -28,13 +27,12 @@ HOMEPAGE="https://tukaani.org/xz/"
 # See top-level COPYING file as it outlines the various pieces and their licenses.
 LICENSE="public-domain LGPL-2.1+ GPL-2+"
 SLOT="0"
-IUSE="elibc_FreeBSD +extra-filters nls static-libs +threads"
+IUSE="elibc_FreeBSD +extra-filters nls static-libs"
 
 RDEPEND="!<app-arch/lzma-4.63
-	!app-arch/lzma-utils
-	!<app-arch/p7zip-4.57"
-DEPEND="${RDEPEND}
-	${EXTRA_DEPEND}"
+	!<app-arch/p7zip-4.57
+	!<app-i18n/man-pages-de-2.16"
+DEPEND="${RDEPEND}"
 
 # Tests currently do not account for smaller feature set
 RESTRICT="!extra-filters? ( test )"
@@ -51,8 +49,8 @@ src_prepare() {
 
 multilib_src_configure() {
 	local myconf=(
+		--enable-threads
 		$(use_enable nls)
-		$(use_enable threads)
 		$(use_enable static-libs static)
 	)
 	multilib_is_native_abi ||
@@ -69,6 +67,12 @@ multilib_src_configure() {
 		)
 	fi
 
+	if [[ ${CHOST} == *-solaris* ]] ; then
+		# undo Solaris-based defaults pointing to /usr/xpg5/bin
+		myconf+=( --disable-path-for-script )
+		export gl_cv_posix_shell=${EPREFIX}/bin/sh
+	fi
+
 	use elibc_FreeBSD && export ac_cv_header_sha256_h=no #545714
 	ECONF_SOURCE="${S}" econf "${myconf[@]}"
 }
@@ -79,11 +83,8 @@ multilib_src_install() {
 }
 
 multilib_src_install_all() {
-	find "${ED}" -name '*.la' -delete || die
-	if ! use static-libs ; then
-		find "${ED}" -name "*.a" -delete || die
-	fi
-	rm "${ED%/}"/usr/share/doc/${PF}/COPYING* || die
+	find "${ED}" -type f -name '*.la' -delete || die
+	rm "${ED}"/usr/share/doc/${PF}/COPYING* || die
 }
 
 pkg_preinst() {
diff --git a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-9999.ebuild b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-9999.ebuild
index de20abb3a8..ae5ec60bf3 100644
--- a/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-9999.ebuild
+++ b/sdk_container/src/third_party/portage-stable/app-arch/xz-utils/xz-utils-9999.ebuild
@@ -1,25 +1,24 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Remember: we cannot leverage autotools in this ebuild in order
 #           to avoid circular deps with autotools
 
-EAPI=6
+EAPI=7
 
-inherit multilib toolchain-funcs libtool multilib-minimal preserve-libs
+inherit libtool multilib multilib-minimal preserve-libs usr-ldscript
 
 if [[ ${PV} == "9999" ]] ; then
 	EGIT_REPO_URI="https://git.tukaani.org/xz.git"
 	inherit git-r3 autotools
 	SRC_URI=""
-	EXTRA_DEPEND="sys-devel/gettext dev-vcs/cvs >=sys-devel/libtool-2" #272880 286068
+	BDEPEND="sys-devel/gettext dev-vcs/cvs >=sys-devel/libtool-2" #272880 286068
 else
 	MY_P="${PN/-utils}-${PV/_}"
 	SRC_URI="https://tukaani.org/xz/${MY_P}.tar.gz"
 	[[ "${PV}" == *_alpha* ]] || [[ "${PV}" == *_beta* ]] || \
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~ppc-aix ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 	S="${WORKDIR}/${MY_P}"
-	EXTRA_DEPEND=
 fi
 
 DESCRIPTION="utils for managing LZMA compressed files"
@@ -28,13 +27,12 @@ HOMEPAGE="https://tukaani.org/xz/"
 # See top-level COPYING file as it outlines the various pieces and their licenses.
 LICENSE="public-domain LGPL-2.1+ GPL-2+"
 SLOT="0"
-IUSE="elibc_FreeBSD +extra-filters nls static-libs +threads"
+IUSE="elibc_FreeBSD +extra-filters nls static-libs"
 
 RDEPEND="!<app-arch/lzma-4.63
-	!app-arch/lzma-utils
-	!<app-arch/p7zip-4.57"
-DEPEND="${RDEPEND}
-	${EXTRA_DEPEND}"
+	!<app-arch/p7zip-4.57
+	!<app-i18n/man-pages-de-2.16"
+DEPEND="${RDEPEND}"
 
 # Tests currently do not account for smaller feature set
 RESTRICT="!extra-filters? ( test )"
@@ -51,8 +49,8 @@ src_prepare() {
 
 multilib_src_configure() {
 	local myconf=(
+		--enable-threads
 		$(use_enable nls)
-		$(use_enable threads)
 		$(use_enable static-libs static)
 	)
 	multilib_is_native_abi ||
@@ -69,6 +67,12 @@ multilib_src_configure() {
 		)
 	fi
 
+	if [[ ${CHOST} == *-solaris* ]] ; then
+		# undo Solaris-based defaults pointing to /usr/xpg5/bin
+		myconf+=( --disable-path-for-script )
+		export gl_cv_posix_shell=${EPREFIX}/bin/sh
+	fi
+
 	use elibc_FreeBSD && export ac_cv_header_sha256_h=no #545714
 	ECONF_SOURCE="${S}" econf "${myconf[@]}"
 }
@@ -79,8 +83,8 @@ multilib_src_install() {
 }
 
 multilib_src_install_all() {
-	find "${ED}" \( -name '*.a' -o -name '*.la' \) -delete || die
-	rm "${ED%/}"/usr/share/doc/${PF}/COPYING* || die
+	find "${ED}" -type f -name '*.la' -delete || die
+	rm "${ED}"/usr/share/doc/${PF}/COPYING* || die
 }
 
 pkg_preinst() {