diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/icu/Manifest b/sdk_container/src/third_party/portage-stable/dev-libs/icu/Manifest
new file mode 100644
index 0000000000..0a1add51ea
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/icu/Manifest
@@ -0,0 +1 @@
+DIST icu4c-67_1-src.tgz 24518055 BLAKE2B f8a263b5c3e5e8ffea88a3bb766cb265aac026b5f9b2f45a1f06076f99f9f0dc3a4512487652d774ccfc8dc65f8f4c40a974e0aa2aa4381ee0c9885f6b871779 SHA512 4779f1ce1ca7976f6fad6768853ea8c540da54d11509e3b6cfd864a04b5f2db1c3d4b546387f91ad02fb90804525bc37d2543173f0d705d6ca11dc6f2b7640a8
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-64.2-darwin.patch b/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-64.2-darwin.patch
new file mode 100644
index 0000000000..e6af282bd0
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-64.2-darwin.patch
@@ -0,0 +1,56 @@
+same as 4.7, but retargetted to apply with eapply
+
+forward-ported from v58.2 to v64.2
+
+--- a/config/mh-darwin
++++ b/config/mh-darwin
+@@ -6,6 +6,12 @@
+ ## Copyright (c) 1999-2012 International Business Machines Corporation and
+ ## others. All Rights Reserved.
+ 
++SO_TARGET = $(LIBDIR)/$(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO)
++FINAL_SO_TARGET = $(LIBDIR)/$(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO_TARGET_VERSION).$(SO)
++MIDDLE_SO_TARGET = $(LIBDIR)/$(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO_TARGET_VERSION_MAJOR).$(SO)
++
++IS_DARWIN = yes
++
+ ## Flags for position independent code
+ SHAREDLIBCFLAGS = -dynamic
+ SHAREDLIBCXXFLAGS = -dynamic
+@@ -33,7 +39,7 @@
+ ifeq ($(ENABLE_RPATH),YES)
+ LD_SONAME = -Wl,-compatibility_version -Wl,$(SO_TARGET_VERSION_MAJOR) -Wl,-current_version -Wl,$(SO_TARGET_VERSION) -install_name $(libdir)/$(notdir $(MIDDLE_SO_TARGET))
+ else
+-LD_SONAME = -Wl,-compatibility_version -Wl,$(SO_TARGET_VERSION_MAJOR) -Wl,-current_version -Wl,$(SO_TARGET_VERSION) -install_name $(notdir $(MIDDLE_SO_TARGET)) $(PKGDATA_TRAILING_SPACE)
++LD_SONAME = -Wl,-compatibility_version -Wl,$(SO_TARGET_VERSION_MAJOR) -Wl,-current_version -Wl,$(SO_TARGET_VERSION) -install_name $(libdir)/$(notdir $(MIDDLE_SO_TARGET)) $(PKGDATA_TRAILING_SPACE)
+ endif
+ 
+ ## Compiler switch to embed a runtime search path
+--- a/stubdata/Makefile.in
++++ b/stubdata/Makefile.in
+@@ -34,7 +34,11 @@
+ 
+ 
+ ifneq ($(ENABLE_SHARED),)
++ifeq ($(IS_DARWIN),)
+ SO_TARGET = $(STUBDATA_LIBDIR)$(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX)$(STUB_SUFFIX).$(SO)
++else
++SO_TARGET = $(LIBDIR)/$(STUBDATA_LIBDIR)$(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX)$(STUB_SUFFIX).$(SO)
++endif
+ ALL_SO_TARGETS = $(FINAL_SO_TARGET) $(MIDDLE_SO_TARGET) $(SO_TARGET) $(BATCH_STUB_TARGET) $(SHARED_OBJECT)
+ endif
+ 
+--- a/tools/ctestfw/Makefile.in
++++ b/tools/ctestfw/Makefile.in
+@@ -33,7 +33,11 @@
+ endif
+ 
+ ifneq ($(ENABLE_SHARED),)
++ifeq ($(IS_DARWIN),)
+ SO_TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO)
++else
++SO_TARGET = $(LIBDIR)/$(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO)
++endif
+ ALL_SO_TARGETS = $(SO_TARGET) $(MIDDLE_SO_TARGET) $(FINAL_SO_TARGET) $(SHARED_OBJECT)
+ endif
+ 
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-65.1-remove-bashisms.patch b/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-65.1-remove-bashisms.patch
new file mode 100644
index 0000000000..f052a06dc6
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-65.1-remove-bashisms.patch
@@ -0,0 +1,207 @@
+--- a/config/icu-config-bottom
++++ b/config/icu-config-bottom
+@@ -218,65 +218,65 @@
+ 	    ;;
+ 
+ 	--cflags)
+-	    echo $ECHO_N "${CFLAGS} ${ECHO_C}"
++	    printf "%s" "${CFLAGS} "
+ 	    ;;
+ 
+ 	--cc)
+-	    echo $ECHO_N "${CC} ${ECHO_C}"
++	    printf "%s" "${CC} "
+ 	    ;;
+ 
+ 	--cxx)
+-	    echo $ECHO_N "${CXX} ${ECHO_C}"
++	    printf "%s" "${CXX} "
+ 	    ;;
+ 
+ 	--cxxflags)
+-	    echo $ECHO_N "${CXXFLAGS} ${ECHO_C}"
++	    printf "%s" "${CXXFLAGS} "
+ 	    ;;
+ 
+ 	--cppflags)
+ 	    # Don't echo the -I. - it's unneeded.
+-	    echo $ECHO_N "${CPPFLAGS} ${ECHO_C}" | sed -e 's/-I. //'
++	    printf "%s" "${CPPFLAGS} " | sed -e 's/-I. //'
+ 	    ;;
+ 
+ 	--cppflags-searchpath)
+-	    echo $ECHO_N "-I${prefix}/include ${ECHO_C}"
++	    printf "%s" "-I${prefix}/include "
+ 	    ;;
+ 
+ 	--cppflags-dynamic)
+-	    echo $ECHO_N "${SHAREDLIBCPPFLAGS} ${ECHO_C}"
++	    printf "%s" "${SHAREDLIBCPPFLAGS} "
+ 	    ;;
+ 
+ 	--cxxflags-dynamic)
+-	    echo $ECHO_N "${SHAREDLIBCXXFLAGS} ${ECHO_C}"
++	    printf "%s" "${SHAREDLIBCXXFLAGS} "
+ 	    ;;
+ 
+ 	--cflags-dynamic)
+-	    echo $ECHO_N "${SHAREDLIBCFLAGS} ${ECHO_C}"
++	    printf "%s" "${SHAREDLIBCFLAGS} "
+ 	    ;;
+ 
+ 	--ldflags-system)
+-	    echo $ECHO_N "${LIBS} ${ECHO_C}"
++	    printf "%s" "${LIBS} "
+ 	    ;;
+ 
+ 	--ldflags)
+-	    echo $ECHO_N "${LDFLAGS} ${ICULIBS} ${ECHO_C}"
++	    printf "%s" "${LDFLAGS} ${ICULIBS} "
+ # $RPATH_LDFLAGS
+ 	    ;;
+ 
+ 	--ldflags-libsonly)
+-	    echo $ECHO_N "${ICULIBS_I18N} ${ICULIBS_COMMON} ${ICULIBS_DATA} ${ECHO_C}"
++	    printf "%s" "${ICULIBS_I18N} ${ICULIBS_COMMON} ${ICULIBS_DATA} "
+ 	    ;;
+ 
+ 	--ldflags-icuio)
+-	    echo $ECHO_N " ${ICULIBS_ICUIO} ${ECHO_C}"
++	    printf "%s" " ${ICULIBS_ICUIO} "
+ 	    ;;
+ 
+ 	--ldflags-obsolete)
+-	    echo $ECHO_N "${ICULIBS_OBSOLETE} ${ECHO_C}"
++	    printf "%s" "${ICULIBS_OBSOLETE} "
+ 	    ;;
+ 
+ 	--ldflags-toolutil)
+-	    echo $ECHO_N " ${ICULIBS_TOOLUTIL} ${ECHO_C}"
++	    printf "%s" " ${ICULIBS_TOOLUTIL} "
+ 	    ;;
+ 
+ 	--ldflags-layout)
+@@ -285,7 +285,7 @@
+ 	    ;;
+ 
+ 	--ldflags-searchpath)
+-	    echo $ECHO_N "-L${libdir} ${ECHO_C}"
++	    printf "%s" "-L${libdir} "
+ 	    ;;
+ 
+ 	--detect-prefix)
+@@ -321,47 +321,47 @@
+ 	    ;;
+ 
+ 	--shared-datadir)
+-	    echo $ECHO_N "${datadir} ${ECHO_C}"
++	    printf "%s" "${datadir} "
+ 	    ;;
+ 
+         --incfile)
+-	    echo $ECHO_N "${pkglibdir}/Makefile.inc ${ECHO_C}"
++	    printf "%s" "${pkglibdir}/Makefile.inc "
+ 	    ;;
+ 
+ 	--incpkgdatafile)
+-	    echo $ECHO_N "${pkglibdir}/pkgdata.inc ${ECHO_C}"
++	    printf "%s" "${pkglibdir}/pkgdata.inc "
+ 	    ;;
+ 
+ 	--icudata)
+-	    echo $ECHO_N "${ICUDATA_NAME} ${ECHO_C}"
++	    printf "%s" "${ICUDATA_NAME} "
+ 	    ;;
+ 
+ 	--icudata-mode)
+-	    echo $ECHO_N "${PKGDATA_MODE} ${ECHO_C}"
++	    printf "%s" "${PKGDATA_MODE} "
+ 	    ;;
+ 
+ 	--icudata-install-dir)
+-        echo $ECHO_N "${ICUPKGDATA_DIR} ${ECHO_C}"
++        printf "%s" "${ICUPKGDATA_DIR} "
+ 	    ;;
+ 
+ 	--icudatadir)
+-	    echo $ECHO_N "${ICUDATA_DIR} ${ECHO_C}"
++	    printf "%s" "${ICUDATA_DIR} "
+ 	    ;;
+ 
+ 	--shlib-c)
+-	    echo $ECHO_N "${SHLIB_c} ${ECHO_C}"
++	    printf "%s" "${SHLIB_c} "
+ 	    ;;
+ 
+ 	--shlib-cc)
+-	    echo $ECHO_N "${SHLIB_cc} ${ECHO_C}"
++	    printf "%s" "${SHLIB_cc} "
+ 	    ;;
+ 
+ 	--version)
+-	    echo $ECHO_N $VERSION
++	    printf "%s" "$VERSION"
+ 	    ;;
+ 
+ 	--unicode-version)
+-	    echo $ECHO_N $UNICODE_VERSION
++	    printf "%s" "$UNICODE_VERSION"
+ 	    ;;
+ 
+ 	--host)
+--- a/config/Makefile.inc.in
++++ b/config/Makefile.inc.in
+@@ -124,12 +124,6 @@
+ # with usually. Many applications will want to add $(ICULIBS_I18N) as well. 
+ ICULIBS = $(ICULIBS_BASE) $(ICULIBS_I18N) $(ICULIBS_COMMON) $(ICULIBS_DATA) 
+ 
+-# Proper echo newline handling is needed in icu-config
+-ECHO_N=@ICU_ECHO_N@
+-ECHO_C=@ICU_ECHO_C@
+-# Not currently being used but good to have for proper tab handling
+-ECHO_T=@ICU_ECHO_T@
+-
+ ##################################################################
+ ##################################################################
+ #
+--- a/configure.ac
++++ b/configure.ac
+@@ -26,24 +26,6 @@
+ PACKAGE="icu"
+ AC_SUBST(PACKAGE)
+ 
+-# Use custom echo test for newline option
+-# Current autoconf (2.65) gives incorrect echo newline option
+-# for icu-config
+-# This may be removed later - mow (June 17, 2010)
+-ICU_ECHO_C= ICU_ECHO_N= ICU_ECHO_T=
+-case `/bin/sh -c "echo -n x"` in
+--n*)
+-  case `/bin/sh -c "echo 'x\c'"` in
+-  *c*) ICU_ECHO_T=' ';;     # ECHO_T is single tab character.
+-  *)   ICU_ECHO_C='\c';;
+-  esac;;
+-*)
+-  ICU_ECHO_N='-n';;
+-esac
+-AC_SUBST(ICU_ECHO_N)
+-AC_SUBST(ICU_ECHO_C)
+-AC_SUBST(ICU_ECHO_T)
+-
+ AC_MSG_CHECKING(for ICU version numbers)
+ 
+ # Get the ICU version from uversion.h or other headers
+--- a/icudefs.mk.in
++++ b/icudefs.mk.in
+@@ -161,11 +161,6 @@
+ ENABLE_STATIC = @ENABLE_STATIC@
+ ENABLE_SHARED = @ENABLE_SHARED@
+ 
+-# Echo w/o newline
+-
+-#ECHO_N = @ICU_ECHO_N@
+-#ECHO_C = @ICU_ECHO_C@
+-
+ # Commands to compile
+ COMPILE.c=    $(CC) $(CPPFLAGS) $(DEFS) $(CFLAGS) -c
+ COMPILE.cc=   $(CXX) $(CPPFLAGS) $(DEFS) $(CXXFLAGS) -c
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-68.1-nonunicode.patch b/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-68.1-nonunicode.patch
new file mode 100644
index 0000000000..e02c1413d9
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/icu/files/icu-68.1-nonunicode.patch
@@ -0,0 +1,12 @@
+diff -ruN a/common/unicode/platform.h b/common/unicode/platform.h
+--- a/common/unicode/platform.h	2020-10-28 23:21:12.000000000 +0200
++++ b/common/unicode/platform.h	2020-11-28 20:48:53.223629867 +0200
+@@ -649,7 +649,7 @@
+     /* Use the predefined value. */
+ #elif U_PLATFORM_IS_LINUX_BASED || U_PLATFORM_IS_DARWIN_BASED || \
+         U_PLATFORM == U_PF_EMSCRIPTEN
+-#   define U_CHARSET_IS_UTF8 1
++#   define U_CHARSET_IS_UTF8 0
+ #else
+ #   define U_CHARSET_IS_UTF8 0
+ #endif
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/icu/icu-67.1.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/icu/icu-67.1.ebuild
new file mode 100644
index 0000000000..4a61dd137f
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/icu/icu-67.1.ebuild
@@ -0,0 +1,141 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7} )
+inherit autotools flag-o-matic multilib-minimal python-any-r1 toolchain-funcs
+
+DESCRIPTION="International Components for Unicode"
+HOMEPAGE="http://site.icu-project.org/"
+SRC_URI="https://github.com/unicode-org/icu/releases/download/release-${PV//./-}/icu4c-${PV//./_}-src.tgz"
+
+LICENSE="BSD"
+
+SLOT="0/${PV}"
+
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~ppc-aix ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
+IUSE="debug doc examples static-libs"
+
+BDEPEND="${PYTHON_DEPS}
+	virtual/pkgconfig
+	doc? ( app-doc/doxygen[dot] )
+"
+
+S="${WORKDIR}/${PN}/source"
+
+MULTILIB_CHOST_TOOLS=(
+	/usr/bin/icu-config
+)
+
+PATCHES=(
+	"${FILESDIR}/${PN}-65.1-remove-bashisms.patch"
+	"${FILESDIR}/${PN}-64.2-darwin.patch"
+)
+
+src_prepare() {
+	default
+
+	local variable
+
+	# Disable renaming as it is stupid thing to do
+	sed -i \
+		-e "s/#define U_DISABLE_RENAMING 0/#define U_DISABLE_RENAMING 1/" \
+		common/unicode/uconfig.h || die
+
+	# Fix linking of icudata
+	sed -i \
+		-e "s:LDFLAGSICUDT=-nodefaultlibs -nostdlib:LDFLAGSICUDT=:" \
+		config/mh-linux || die
+
+	# Append doxygen configuration to configure
+	sed -i \
+		-e 's:icudefs.mk:icudefs.mk Doxyfile:' \
+		configure.ac || die
+
+	eautoreconf
+}
+
+src_configure() {
+	append-cxxflags -std=c++14
+
+	if tc-is-cross-compiler; then
+		mkdir "${WORKDIR}"/host || die
+		pushd "${WORKDIR}"/host >/dev/null || die
+
+		CFLAGS="" CXXFLAGS="" ASFLAGS="" LDFLAGS="" \
+		CC="$(tc-getBUILD_CC)" CXX="$(tc-getBUILD_CXX)" AR="$(tc-getBUILD_AR)" \
+		RANLIB="$(tc-getBUILD_RANLIB)" LD="$(tc-getBUILD_LD)" \
+		"${S}"/configure --disable-renaming --disable-debug \
+			--disable-samples --enable-static || die
+		emake
+
+		popd >/dev/null || die
+	fi
+
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	local myeconfargs=(
+		--disable-renaming
+		--disable-samples
+		--disable-layoutex
+		$(use_enable debug)
+		$(use_enable static-libs static)
+		$(multilib_native_use_enable examples samples)
+	)
+
+	tc-is-cross-compiler && myeconfargs+=(
+		--with-cross-build="${WORKDIR}"/host
+	)
+
+	# icu tries to use clang by default
+	tc-export CC CXX
+
+	# make sure we configure with the same shell as we run icu-config
+	# with, or ECHO_N, ECHO_T and ECHO_C will be wrongly defined
+	export CONFIG_SHELL="${EPREFIX}/bin/sh"
+	# probably have no /bin/sh in prefix-chain
+	[[ -x ${CONFIG_SHELL} ]] || CONFIG_SHELL="${BASH}"
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_compile() {
+	default
+
+	if multilib_is_native_abi && use doc; then
+		doxygen -u Doxyfile || die
+		doxygen Doxyfile || die
+	fi
+}
+
+multilib_src_test() {
+	# INTLTEST_OPTS: intltest options
+	#   -e: Exhaustive testing
+	#   -l: Reporting of memory leaks
+	#   -v: Increased verbosity
+	# IOTEST_OPTS: iotest options
+	#   -e: Exhaustive testing
+	#   -v: Increased verbosity
+	# CINTLTST_OPTS: cintltst options
+	#   -e: Exhaustive testing
+	#   -v: Increased verbosity
+	emake -j1 VERBOSE="1" check
+}
+
+multilib_src_install() {
+	default
+
+	if multilib_is_native_abi && use doc; then
+		docinto html
+		dodoc -r doc/html/*
+	fi
+}
+
+multilib_src_install_all() {
+	einstalldocs
+	docinto html
+	dodoc ../readme.html
+}
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/icu/metadata.xml b/sdk_container/src/third_party/portage-stable/dev-libs/icu/metadata.xml
new file mode 100644
index 0000000000..13ce236ee5
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/icu/metadata.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>office@gentoo.org</email>
+		<name>Gentoo Office project</name>
+	</maintainer>
+</pkgmetadata>
diff --git a/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/Manifest b/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/Manifest
new file mode 100644
index 0000000000..fdaa47ea46
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/Manifest
@@ -0,0 +1 @@
+DIST Parse-Yapp-1.21.tar.gz 108661 BLAKE2B b5d8e135f8befc4841250c75385fb935757e665b213373c983428809e5990e9f50fed250c3af9a5253da0f6a1494883b23b6ae42e4ae23cff799c3663bd054f0 SHA512 dbf6182d4813ff7e355ea1713c748bfdf8290040a93f123acec645c7a1733fe457ab6e0ab51c4ec83cf82bc43d7fb35cbf89875df7b5c2ffc9635e85458cfeee
diff --git a/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/Parse-Yapp-1.210.0.ebuild b/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/Parse-Yapp-1.210.0.ebuild
new file mode 100644
index 0000000000..5b8469c9a5
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/Parse-Yapp-1.210.0.ebuild
@@ -0,0 +1,21 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+DIST_AUTHOR=WBRASWELL
+DIST_VERSION=1.21
+DIST_EXAMPLES=( "Calc.yp" "YappParse.yp" )
+inherit perl-module
+
+DESCRIPTION="Compiles yacc-like LALR grammars to generate Perl OO parser modules"
+
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ppc ppc64 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~sparc-solaris ~x86-solaris"
+IUSE=""
+
+RDEPEND="!<net-fs/samba-4.10.6"
+DEPEND="${RDEPEND}
+	virtual/perl-ExtUtils-MakeMaker
+"
+mydoc="docs/*"
diff --git a/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/metadata.xml b/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/metadata.xml
new file mode 100644
index 0000000000..fad1e47718
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-perl/Parse-Yapp/metadata.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>perl@gentoo.org</email>
+    <name>Gentoo Perl Project</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="cpan">Parse-Yapp</remote-id>
+    <remote-id type="cpan-module">Parse::Yapp</remote-id>
+    <remote-id type="cpan-module">Parse::Yapp::Driver</remote-id>
+    <remote-id type="cpan-module">Parse::Yapp::Grammar</remote-id>
+    <remote-id type="cpan-module">Parse::Yapp::Lalr</remote-id>
+    <remote-id type="cpan-module">Parse::Yapp::Options</remote-id>
+    <remote-id type="cpan-module">Parse::Yapp::Output</remote-id>
+    <remote-id type="cpan-module">Parse::Yapp::Parse</remote-id>
+  </upstream>
+</pkgmetadata>
diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/liburing/Manifest b/sdk_container/src/third_party/portage-stable/sys-libs/liburing/Manifest
new file mode 100644
index 0000000000..90602b3316
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/liburing/Manifest
@@ -0,0 +1 @@
+DIST liburing-0.7.tar.bz2 86386 BLAKE2B a4fa00cc8e384f9909f3c628d479774beaffd5ab09c9f321ef22bfbabd273e4c8d4dbb30a3280633e89e1a79e893348e68f0aa2f3b1b4deda56759f77d9b1875 SHA512 9a23bc08e0fa59273264295859dddbe3276b2911df6d937b3c6f7647a250a3175222b5f051f3094efc98e48cacd242511327c5c5b895ebde10c8c87929ba4328
diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/liburing/liburing-0.7-r1.ebuild b/sdk_container/src/third_party/portage-stable/sys-libs/liburing/liburing-0.7-r1.ebuild
new file mode 100644
index 0000000000..c349d80f97
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/liburing/liburing-0.7-r1.ebuild
@@ -0,0 +1,50 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit multilib-minimal toolchain-funcs
+
+DESCRIPTION="Efficient I/O with io_uring"
+HOMEPAGE="https://github.com/axboe/liburing"
+SRC_URI="https://git.kernel.dk/cgit/${PN}/snapshot/${P}.tar.bz2"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~ppc ppc64 sparc x86"
+LICENSE="MIT"
+SLOT="0/1.0.7" # liburing.so version
+
+IUSE="static-libs"
+# fsync test hangs forever
+RESTRICT="test"
+
+src_prepare() {
+	default
+	multilib_copy_sources
+}
+
+multilib_src_configure() {
+	local myconf=(
+		--prefix="${EPREFIX}/usr"
+		--libdir="${EPREFIX}/usr/$(get_libdir)"
+		--libdevdir="${EPREFIX}/usr/$(get_libdir)"
+		--mandir="${EPREFIX}/usr/share/man"
+		--cc="$(tc-getCC)"
+	)
+	# No autotools configure! "econf" will fail.
+	TMPDIR="${T}" ./configure "${myconf[@]}"
+}
+
+multilib_src_compile() {
+	emake V=1 AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)"
+}
+
+multilib_src_install_all() {
+	einstalldocs
+
+	if ! use static-libs ; then
+		find "${ED}" -type f -name "*.a" -delete || die
+	fi
+}
+
+multilib_src_test() {
+	emake V=1 runtests
+}
diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/liburing/metadata.xml b/sdk_container/src/third_party/portage-stable/sys-libs/liburing/metadata.xml
new file mode 100644
index 0000000000..e9a23bab52
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/liburing/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>polynomial-c@gentoo.org</email>
+		<name>Lars Wendler</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">axboe/liburing</remote-id>
+	</upstream>
+</pkgmetadata>