diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/ncurses/Manifest b/sdk_container/src/third_party/portage-stable/sys-libs/ncurses/Manifest
index bb38abf7ba..84e1cb687a 100644
--- a/sdk_container/src/third_party/portage-stable/sys-libs/ncurses/Manifest
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/ncurses/Manifest
@@ -231,8 +231,27 @@ DIST ncurses-6.5-20250322.patch.gz 4987 BLAKE2B 708811bca043891e8c09ef137e0e2cff
 DIST ncurses-6.5-20250322.patch.gz.asc 729 BLAKE2B bd38bf5ed3c387f5b5726363e3ff58d7f0654a7fab6fa590a7965fd169ca0280832130a338d42692dee72da97afd63b5e738670df37a28f170339de6097e040c SHA512 649b46cbe129f48ac030e79d4f8ddeb3ee1da46af634022f4bf059e3ce31ce02a633f53eda776ac8c49d9ce0c4fdf8d8eabc1e1b22d9205c582d9b9485198e9a
 DIST ncurses-6.5-20250329.patch.gz 5288 BLAKE2B 2cb8cbff061fd22badf488db087855287f86fef50c79ca94bb81cf0152bbe266f2406ad62a1eba99ab7c090dd3b01df8964f2b5ae952c0c715da7947687ec00e SHA512 42e88dfe5c862ebb6effd6cf9e3bc79d5ad797b544a0f8891d165e97a4e1ab840efc3782e8fe78327cd030d3c1c9de3ba20a7c68b32ef9910b4530500f605694
 DIST ncurses-6.5-20250329.patch.gz.asc 729 BLAKE2B 96517ad803d2b91849119c890b6cf7e42f401c660e992f9b4564d5c6c4e2eab585c2dea85a41e4bd0d54b4434932cbd885d2a393063934e092712b043391c700 SHA512 24afa71c892737b4e0a557e6efa37f3ee65bd341c47ed2015322d8d0575efac0eaa9518e967a2c40e91a3f560d58ea553ed3d089d729dd53671db1abe271bd4d
+DIST ncurses-6.5-20250405.patch.gz 89875 BLAKE2B ef06de623a5940dc5648392765f280d6e8b47693cbc7c41df269ed3df62031675e5f0b53dcca005d00591fcad9ce46d162051a2c8397eb8b1909db3d9ac3fc2b SHA512 bc540cf6e6b58253900733c9362a1662c77369b79a0553a6a56edb2aa63b72815bd9e083944b6f8b84228c81f2ee0647c2d5cafba6cb12fb6486371320a60d87
+DIST ncurses-6.5-20250405.patch.gz.asc 729 BLAKE2B 1612dda4524e1764ad7d6d28399e3b968c1e6c00b1b49179ed560382bf97e8570011719bdcaba284dd7d3a4952badb64216a2bf6e7128ac78d3eb156de9bf445 SHA512 3634ea82cdd716ac59da52743af551ca0720bf0c07b2a237f7eec010628b5cff636cc96eff167402097e8eb5aac11bceeaecccf270ae44081b7c85982d82d895
+DIST ncurses-6.5-20250412.patch.gz 19036 BLAKE2B ab471f5d9f3a8d7cc05104ad0d40036b1e38440092787e79b7fb705d576a954d11bbd5acbc279d550ceb6e220f51ac2cde1075f31dfe71633e4c73ab8ae04697 SHA512 ae240b24977f78876f9fdfcecfccafd22d3561200fa4a751b870a0c467d693080c854b62750bfd63bd0809967f62b300aedb8ec7f6d24f0cbb299442e2ddd39e
+DIST ncurses-6.5-20250412.patch.gz.asc 729 BLAKE2B 36a5ec7490b3f25a2696052d59292bdf4588db3d73b73fdfb47f0f199844e6ece26a8fad0af499b9b53ac6fb9a37085d2146a0f490275aa27fa255912af6b5e2 SHA512 baf8c20988a620eee8eb4dc4399ae635523fe644578ecf73605f4c736fdfff281d0cc4a6d7df591bee5ef344d3ea2d0d3e0615962f0d78a6194a91f48ef7a7eb
+DIST ncurses-6.5-20250419.patch.gz 14283 BLAKE2B 395988f7f2f5622954d98296976e77889e3a9d5fe82d745c83afbf95b13618ba9fa07d1e28cb80ba51be00f28beb29f20ef4aab0f3f8d1c29627c1fa8853203a SHA512 59120b8a53277a134946aaf367935656ebe31c2cd955a0dc403b799cf9e56db692d76c66c6274d4a32fea567ef8ab3bdddf20667ba9a909d8d856597b24ae4dd
+DIST ncurses-6.5-20250419.patch.gz.asc 729 BLAKE2B 47043488c3595f8ac519c4ec71ab0054640f14d28b74a7bd335bc1af18d592ec92cedd4a2e18c88ed67f6d1bdb9b0aa8b0a842222de0533e1f0f01ada56bb93e SHA512 0ba92af7ded7ecccf49f7cb2ede7a49b964dea1df094a8c821f1b198fe09c23c4ef01002894a448aedc82baec4d3af3d020c7fbca9d108a31452430392400d2a
+DIST ncurses-6.5-20250426.patch.gz 9888 BLAKE2B 2442d328642ff0361d60468e726bdef62496be1d95ee715ced4c9ee5469b8ff1b0b092743a9487dae3e154c3d5a476d58af27853b7e7a0bc7db6685006a23dcc SHA512 ccb28a0e0003efa6acb7e678ecd6c8ffb35437db869ee0feb2d7f9ecdac0e89720ed09fe37d85bfc83ba4eeefe8db80765e80995f63420d789975adf4a2cf494
+DIST ncurses-6.5-20250426.patch.gz.asc 729 BLAKE2B 917622a82bba7a18af851d487b3d0969820e485bc2695b1a543d467ab899360e9502149ba32ff731b6a9c8050104f8024a9589ec29fe7d8be644d92e0ed8fe74 SHA512 00ea24c7564c594ea43b29b6ff9cb763b5bc69c1f3b4be60505150db8487533bbfe9b93cf702f0ea6bfba5a1fe203c91c8e0b1c93e22e1b973178377ef4cc970
+DIST ncurses-6.5-20250503.patch.gz 51443 BLAKE2B a45f007e24843b6c2a73c5f15652d38f992aa88a2543189e5c210977e2962be269637d89362acfd5b17d4e2da8342cd99a8695746cd3501cccc9c026c3318b6b SHA512 402075f35583917b2a2ec27a3a2f30052685cf4657b37b1032c970dbb929ef26318ec537d52cde8715c3dc937732a7c603a08c889e38c5cab46c9010e817d991
+DIST ncurses-6.5-20250503.patch.gz.asc 729 BLAKE2B c0efd97a3ca71396f3e33c263c3c0129c957f195fa8ac319924c860742e917dde17f88c27706ebf7481d6518cc1f86b086dfdf0b637a05357f9826d3a0cbd20e SHA512 b8a30ae8ece99fadc3beba610ea7f404070fcf59dc314029dc2bc6345bc79c9420ca3c631da7af7d60aa4d2dfcda2fb1b042acadcae1534add5befaa24fdec76
+DIST ncurses-6.5-20250510.patch.gz 5373 BLAKE2B 81cb9afe5b73c8daf7781891d3adbe4e3c0d52dc15f053f4a53faf3c7ced4f30c4a0d7351a6225fc7c9c3d0485534664523ee77ebe9ecdbb853cb1f33336ca1a SHA512 83ca80ae6f52f87956fcd9e87c21db923ced3251f81d781bfc9de25619546edda79c2324a9cb3ea1735c6fc993ba0aa67f1fe6f57c40f800ea810fda0eaa15b4
+DIST ncurses-6.5-20250510.patch.gz.asc 729 BLAKE2B 52ceb3917a9151cd3d1d02232e7a109697305627bac43ff0c548c6cbbf58b79268f13e85c55c47a8d7a6a889e2c63fe09596fd50b2fd7967eb28ccce0699b26b SHA512 65685481dbc730cdce750965cc9384c8390752d942855bee9e2536b50d0b14098836eb8290f3aa7f9f47b271bb756b250b399e36ab229da9148b14edd3d88dee
+DIST ncurses-6.5-20250517.patch.gz 98030 BLAKE2B 164ab687c773b184ae33e1970e11bfc895200311f85a3547d7ec501f9addcce0e064ece9a5d4d29db699c9c73c7c82e502e07275fc5962dc98bd07e69d183ac8 SHA512 fe111fa7e32100c953ba8e1c2ecda7a7cddae5b2e929793e2ed353696d5cf64a7ac69c170fb253f4f1666f47cec3003649e3c9fdc9460842994e35d82591360f
+DIST ncurses-6.5-20250517.patch.gz.asc 729 BLAKE2B a392c600c4fe676b092154082256c01147adf71c1789cab1d95bb886bd1b869ad9d163f4b3c12ae8382ed729269ea43f8112abfd4cf36ead2c930f1bf6623825 SHA512 695dfb27ffa68175113fac3ccde8cb456cb78b6797fe6fd3aa7a8e08ffc48bd273b68a35741ba356b935545314e3e9669fa02e3dc6caf11fa20960e6011e4b67
+DIST ncurses-6.5-20250524.patch.gz 3599 BLAKE2B 5e1da13964f10d846afb26f8759590fd8ac921b386cef77922a509b50ece7f35867d1dbfaaa37c67186cfb718be12eb782bc2dae8ea9ec1cf5291341b24af612 SHA512 b900f9b6f507130da2129d3399540a7c1462cbe64c8d44319b28768521269b0ac823b6b0ebb3a51d0ba68aafc7e05b9699ff7f08ec2213550e9d80a9b2c6bc2e
+DIST ncurses-6.5-20250524.patch.gz.asc 729 BLAKE2B ba0c26a977da6874fa9f005dd094527739357384626b86f40edb73f9e41b63f5f43953ef9ec67dcb0d82404f822f6599c38ef8b5d4bb0e3b20e6c8f04115cc27 SHA512 6fafad6288c3fd87efded4faed2f2a4de705bf207cdecb5759f13be9bc6e2f866a1eb7d47719388f974954e78ab8c70e9be8b558e8f2662a2c042d16662ea281
+DIST ncurses-6.5-20250531.patch.gz 3172 BLAKE2B 225875dcf8adaf785efc0137ee0cdd7affb378ad266aab0ec2dffd4197cd74daafcda5638f0e3c09720a41ba9506ce46ff7bbdfd51d13cda4096d6b7be1fadb5 SHA512 763a3ce3e26445f4b978a7305b135e2cf94f7973db22b7228ff1fe9eee93ffe82ed32aa0012c9b2916599ab3980e455140f5150af420d85b75f33a426542acf8
+DIST ncurses-6.5-20250531.patch.gz.asc 729 BLAKE2B 94e72ea10c99afecc97c39854522dab0e95d970e77c36b558003717cf4f8a9f32783a994c88f6e5f657310929c518a7b80e46fbaeaf51f48811b7980458b6621 SHA512 5b7e4b98e2127e914aa997b63b59b4e3e5281f7a453d456ea4a29e5ec84da8ab4c8c74a3723e61613e04e85a412f37488a5cd6f4ff5536a05e3d91033035ecc4
 DIST ncurses-6.5.tar.gz 3688489 BLAKE2B d0a05c218b5f320ba9abe2f322787baef1d15d764e503c81d49772b54b2927d28ecbeb500c8e514996226b41f69445b4de44ff423cec25b61847307fe61682ec SHA512 fc5a13409d2a530a1325776dcce3a99127ddc2c03999cfeb0065d0eee2d68456274fb1c7b3cc99c1937bc657d0e7fca97016e147f93c7821b5a4a6837db821e8
 DIST ncurses-6.5.tar.gz.sig 438 BLAKE2B 5789b47932ec97d3863c7a65306369f0a36cb5b1a35c1e009b5174f50941edceafc22e6f07db3843a096773663a0ca602c0ecb9465e6042d9a78d76ae5008215 SHA512 96ce61a3d529e48e249acecbf4bb9eae2d9f2f67506e92ffa3182f5e98040c38babf0c2c15d92fc5d96e1181e72be1b29fdbff7bee859dfe2ae387f9b8883092
 DIST ncurses-6.5_p20241109-patches.tar.xz 63676 BLAKE2B 9981b740fcec18cc794074ccc93ae1dbe175e52449af2bddfd10a6fb1d5dfe9b545bd19fce5e601d2d85008425fd5cd6fc33042d7bcc854363b0642b9c880efe SHA512 076d2d39c46cf9236e5e65472e10182da2dffffa936c7567b11e23323d64f9739bb3818d4fdbdd75a14fd3f5b202dcdb7aaa6813afb5e303f81c094339824162
 DIST ncurses-6.5_p20250118-patches.tar.xz 64188 BLAKE2B 46ac7c8bcfb0ec4fb032ccff4ba0c57d15f925910eb4d108c626aba8fdecefd21660a05cf54a88a4668b50e489ce0a08526f978a0084c66b2105fc4d929fdfe5 SHA512 12ff29d5ec76487f8b368d481fc19d841e8ce6bc216ff614b6d6d543a1fa36020b403432c802665d99b7fb4f08ae863d7ac331e6e2d95ff86c719fdca383c3e2
 DIST ncurses-6.5_p20250301-patches.tar.xz 65224 BLAKE2B 9db65c728cc6d79e21b7673bb7700069cbf09287acfb65b23a65d607c3172835a9bf7df9a705d3a05b6197684bc7935e1cbed91bf18343c4fb8ebacf17e61dc1 SHA512 f5808f0c2fc1f6027678d8980a0cf598a64c9e85e1d72459dd712090c2dd24eb45261f35b025fd543aed56e903c658942c163b8fe8bace24a56fb8e9238da29e
+DIST ncurses-6.5_p20250531-patches.tar.xz 65304 BLAKE2B b696a473c34df2aa1fe8b03fcbd6dd4bffdc8620917c0651994037bf902526a0c0b2be843beee2dec543677a0289aea35dd7e9ba7161eaef2c5663b4f1e356a8 SHA512 cb638cd2fd7128a7245b95a686df0725cbe133b42d26bdebabe62f070eacc25545845ea09c44d6d73183776a0ad094ae7857e2079b6561f05d94b86730f355db
diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/ncurses/ncurses-6.5_p20250531.ebuild b/sdk_container/src/third_party/portage-stable/sys-libs/ncurses/ncurses-6.5_p20250531.ebuild
new file mode 100644
index 0000000000..d32df669b8
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/ncurses/ncurses-6.5_p20250531.ebuild
@@ -0,0 +1,490 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# sys-libs/ncurses-compat can be bumped with sys-libs/ncurses as upstream
+# provide a configure option for the ABI version.
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/thomasdickey.asc
+inherit flag-o-matic toolchain-funcs multilib multilib-minimal preserve-libs usr-ldscript verify-sig
+
+MY_PV="${PV:0:3}"
+MY_P="${PN}-${MY_PV}"
+DESCRIPTION="Console display library"
+HOMEPAGE="https://www.gnu.org/software/ncurses/ https://invisible-island.net/ncurses/"
+# Keep invisible-mirror.net here as some users reported 403 forbidden with invisible-island.net
+SRC_URI="
+	mirror://gnu/ncurses/${MY_P}.tar.gz
+	https://invisible-island.net/archives/${PN}/${MY_P}.tar.gz
+	https://invisible-mirror.net/archives/${PN}/${MY_P}.tar.gz
+	verify-sig? ( mirror://gnu/ncurses/${MY_P}.tar.gz.sig )
+"
+
+GENTOO_PATCH_DEV=sam
+GENTOO_PATCH_PV=6.5_p20250531
+GENTOO_PATCH_NAME=${PN}-${GENTOO_PATCH_PV}-patches
+
+# Populated below in a loop. Do not add patches manually here.
+UPSTREAM_PATCHES=()
+
+if [[ ${PV} == *_p* ]] ; then
+	# Sometimes, after releases, there's no megapatch available yet.
+	#
+	# From upstream README at e.g. https://invisible-island.net/archives/ncurses/6.3/:
+	#
+	#	"At times (generally to mark a relatively stable point), I create a rollup
+	#	patch, which consists of all changes from the release through the current date."
+	#
+	# Also, from https://lists.gnu.org/archive/html/bug-ncurses/2019-08/msg00039.html,
+	# the patches are considered to be acceptable to use after some testing. They
+	# are both for development but also bug fixes.
+	#
+	# This array should contain a list of all the snapshots since the last
+	# release if there's no megapatch available yet.
+	PATCH_DATES=(
+		20240504
+		20240511
+		20240518
+		20240519
+		20240525
+		20240601
+		20240608
+		20240615
+		20240622
+		20240629
+		20240706
+		20240713
+		20240720
+		20240727
+		20240810
+		20240817
+		20240824
+		20240831
+		20240914
+		20240922
+		20240928
+		20241006
+		20241019
+		20241026
+		20241102
+		20241109
+		20241123
+		20241130
+		20241207
+		20241214
+		20241221
+		20241228
+		20250104
+		20250111
+		20250118
+		20250125
+		20250201
+		20250208
+		20250215
+		20250216
+		20250222
+		20250301
+		20250308
+		20250315
+		20250322
+		20250329
+		20250405
+		20250412
+		20250419
+		20250426
+		20250503
+		20250510
+		20250517
+		20250524
+
+		# Latest patch is just _pN = $(ver_cut 4)
+		$(ver_cut 4)
+	)
+
+	if [[ -z ${PATCH_DATES[@]} ]] ; then
+		SRC_URI+=" https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P/_p/-}.patch.sh.gz"
+		SRC_URI+=" verify-sig? ( https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P/_p/-}.patch.sh.gz.asc"
+
+		# If we have a rollup patch, use that instead of the individual ones.
+		UPSTREAM_PATCHES+=( patch.sh )
+	else
+		# We use a mirror as well because we've had reports of 403 forbidden for some users.
+		upstream_url_base="https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P}-"
+		upstream_m_url_base="https://invisible-mirror.net/archives/${PN}/${PV/_p*}/${MY_P}-"
+
+		# Prefix each date with the upstream location (https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P})
+		mangled_patches=( "${PATCH_DATES[@]/#/${upstream_url_base}}" )
+		# Suffix each with .patch.gz
+		mangled_patches=( "${mangled_patches[@]/%/.patch.gz}" )
+		mangled_patches_sig=( "${mangled_patches[@]/%/.asc}" )
+		# Repeat for .patch.gz.asc for verify-sig
+		SRC_URI+=" ${mangled_patches[@]}"
+		SRC_URI+=" verify-sig? ( ${mangled_patches_sig[@]} )"
+
+		# For all of the URLs, chuck in invisible-island.net too:
+		SRC_URI+=" ${mangled_patches[@]/${upstream_url_base}/${upstream_m_url_base}}"
+		SRC_URI+=" verify-sig? ( ${mangled_patches_sig[@]/${upstream_url_base}/${upstream_m_url_base}} )"
+
+		UPSTREAM_PATCHES=( "${PATCH_DATES[@]/%/.patch}" )
+
+		unset upstream_url_base upstream_m_url_base mangled_patches mangled_patches_sig
+	fi
+fi
+
+SRC_URI+=" https://dev.gentoo.org/~${GENTOO_PATCH_DEV}/distfiles/${CATEGORY}/${PN}/${GENTOO_PATCH_NAME}.tar.xz"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="MIT"
+# The subslot reflects the SONAME.
+SLOT="0/6"
+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="ada +cxx debug doc gpm minimal profile split-usr +stack-realign static-libs test tinfo trace"
+# In 6.5_p20250118, the C++ examples fail to link, but there's no automated
+# testsuite anyway. Controlling building examples isn't really what USE=test
+# is for. Just restrict them.
+RESTRICT="!test? ( test ) test"
+
+# TODO: ncurses allows (and we take advantage of this, even) passing
+# the SONAME for dlopen() use, so only the header is needed at build time.
+# Maybe we should bundle a copy of gpm.h so we can move gpm to PDEPEND
+# which would be far nicer UX-wise.
+DEPEND="gpm? ( sys-libs/gpm[${MULTILIB_USEDEP}] )"
+# Block the older ncurses that installed all files w/SLOT=5, bug #557472
+RDEPEND="
+	${DEPEND}
+	!<=sys-libs/ncurses-5.9-r4:5
+	!<sys-libs/slang-2.3.2_pre23
+	!<x11-terms/rxvt-unicode-9.06-r3
+	!<x11-terms/st-0.6-r1
+	!minimal? ( !<x11-terms/ghostty-1.1.0 )
+"
+BDEPEND="verify-sig? ( sec-keys/openpgp-keys-thomasdickey )"
+
+PATCHES=(
+	"${UPSTREAM_PATCHES[@]/#/${WORKDIR}/${MY_P}-}"
+
+	# When rebasing Gentoo's patchset, please use git from a clean
+	# src_prepare with upstream patches already applied. git am --reject
+	# the existing patchset and rebase as required. This makes it easier
+	# to manage future rebasing & adding new patches.
+	#
+	# For the same reasons, please include the original configure.in changes,
+	# NOT just the generated results!
+	"${WORKDIR}"/${GENTOO_PATCH_NAME}
+)
+
+src_unpack() {
+	# Avoid trying to verify our own patchset tarball, there's no point
+	if use verify-sig ; then
+		local file
+		for file in ${A} ; do
+			if [[ ${file} == ${MY_P}.tar.gz ]] ; then
+				verify-sig_verify_detached "${DISTDIR}"/${file} "${DISTDIR}"/${file}.sig
+			else
+				[[ ${file} == @(*${GENTOO_PATCH_NAME}.tar.xz|*.asc|*.sig) ]] && continue
+
+				verify-sig_verify_detached "${DISTDIR}"/${file} "${DISTDIR}"/${file}.asc
+			fi
+		done
+	fi
+
+	default
+}
+
+src_configure() {
+	# bug #115036
+	unset TERMINFO
+
+	tc-export_build_env BUILD_{CC,CXX,CPP}
+
+	# bug #214642
+	BUILD_CPPFLAGS+=" -D_GNU_SOURCE"
+
+	# Build the various variants of ncurses -- narrow, wide, and threaded. #510440
+	# Order matters here -- we want unicode/thread versions to come last so that the
+	# binaries in /usr/bin support both wide and narrow.
+	# The naming is also important as we use these directly with filenames and when
+	# checking configure flags.
+	NCURSES_TARGETS=(
+		ncurses
+		ncursesw
+		ncursest
+		ncursestw
+	)
+
+	# When installing ncurses, we have to use a compatible version of tic.
+	# This comes up when cross-compiling, doing multilib builds, upgrading,
+	# or installing for the first time.  Build a local copy of tic whenever
+	# the host version isn't available. bug #249363, bug #557598
+	if ! has_version -b "~sys-libs/${P}:0" ; then
+		local lbuildflags="-static"
+
+		# some toolchains don't quite support static linking
+		local dbuildflags="-Wl,-rpath,${WORKDIR}/lib"
+		case ${CHOST} in
+			*-darwin*)  dbuildflags=     ;;
+			*-solaris*) dbuildflags="-Wl,-R,${WORKDIR}/lib" ;;
+		esac
+		echo "int main() {}" | \
+			$(tc-getCC) -o x -x c - ${lbuildflags} -pipe >& /dev/null \
+			|| lbuildflags="${dbuildflags}"
+
+		# We can't re-use the multilib BUILD_DIR because we run outside of it.
+		BUILD_DIR="${WORKDIR}" \
+		CC=${BUILD_CC} \
+		CXX=${BUILD_CXX} \
+		CPP=${BUILD_CPP} \
+		CHOST=${CBUILD} \
+		CFLAGS=${BUILD_CFLAGS} \
+		CXXFLAGS=${BUILD_CXXFLAGS} \
+		CPPFLAGS=${BUILD_CPPFLAGS} \
+		LDFLAGS="${BUILD_LDFLAGS} ${lbuildflags}" \
+		do_configure cross --without-shared --with-normal --with-progs --without-ada
+	fi
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	if [[ ${ABI} == x86 ]] ; then
+		# For compatibility with older binaries at slight performance cost.
+		# bug #616402
+		use stack-realign && append-flags -mstackrealign
+	fi
+
+	local t
+	for t in "${NCURSES_TARGETS[@]}" ; do
+		do_configure "${t}"
+	done
+}
+
+do_configure() {
+	local target=$1
+	shift
+
+	mkdir "${BUILD_DIR}/${target}" || die
+	cd "${BUILD_DIR}/${target}" || die
+
+	local conf=(
+		# We need the basic terminfo files in /etc, bug #37026.  We will
+		# add '--with-terminfo-dirs' and then populate /etc/terminfo in
+		# src_install() ...
+		--with-terminfo-dirs="${EPREFIX}/etc/terminfo:${EPREFIX}/usr/share/terminfo"
+
+		# Enable installation of .pc files.
+		--enable-pc-files
+		# This path is used to control where the .pc files are installed.
+		--with-pkg-config-libdir="${EPREFIX}/usr/$(get_libdir)/pkgconfig"
+
+		# Now the rest of the various standard flags.
+		--with-shared
+		--enable-fvisibility
+		# (Originally disabled until bug #245417 is sorted out, but now
+		# just keeping it off for good, given nobody needed it until now
+		# (2022) and we're trying to phase out bdb.)
+		--without-hashed-db
+		$(use_with ada)
+		$(use_with cxx)
+		$(use_with cxx cxx-binding)
+		--with-cxx-shared
+		$(use_with debug)
+		$(use_with profile)
+		# The configure script uses ldd to parse the linked output which
+		# is flaky for cross-compiling/multilib/ldd versions/etc...
+		$(use_with gpm gpm libgpm.so.1)
+
+		# bug #930806
+		--disable-setuid-environ
+		# TODO: Maybe do these for USE=hardened
+		#--disable-root-access
+		#--disable-root-environ
+
+		--disable-termcap
+		--enable-symlinks
+		--with-manpage-format=normal
+		--enable-const
+		--enable-colorfgbg
+		--enable-hard-tabs
+		--enable-echo
+		$(use_enable !ada warnings)
+		$(use_with debug assertions)
+		$(use_enable !debug leaks)
+		$(use_with debug expanded)
+		$(use_with !debug macros)
+		$(multilib_native_with progs)
+		$(use_with test tests)
+		$(use_with trace)
+		$(use_with tinfo termlib)
+		--disable-stripping
+		--disable-pkg-ldflags
+	)
+
+	case ${CHOST} in
+		*-mingw32*)
+			conf+=( --enable-term-driver )
+			;;
+		*)
+			conf+=( --disable-term-driver )
+			;;
+	esac
+
+	if [[ ${target} == ncurses*w ]] ; then
+		conf+=( --enable-widec )
+	else
+		conf+=( --disable-widec )
+	fi
+	if [[ ${target} == ncursest* ]] ; then
+		conf+=( --with-{pthread,reentrant} )
+	else
+		conf+=( --without-{pthread,reentrant} )
+	fi
+
+	# Make sure each variant goes in a unique location.
+	if [[ ${target} == "ncurses" ]] ; then
+		# "ncurses" variant goes into "${EPREFIX}"/usr/include
+		# It is needed on Prefix because the configure script appends
+		# "ncurses" to "${prefix}/include" if "${prefix}" is not /usr.
+		conf+=( --enable-overwrite )
+	else
+		conf+=( --includedir="${EPREFIX}"/usr/include/${target} )
+	fi
+	# See comments in src_configure.
+	if [[ ${target} != "cross" ]] ; then
+		local cross_path="${WORKDIR}/cross"
+		[[ -d ${cross_path} ]] && export TIC_PATH="${cross_path}/progs/tic"
+	fi
+
+	ECONF_SOURCE="${S}" econf "${conf[@]}" "$@"
+}
+
+src_compile() {
+	# See comments in src_configure.
+	if ! has_version -b "~sys-libs/${P}:0" ; then
+		BUILD_DIR="${WORKDIR}" do_compile cross -C progs tic$(get_exeext)
+	fi
+
+	multilib-minimal_src_compile
+}
+
+multilib_src_compile() {
+	local t
+	for t in "${NCURSES_TARGETS[@]}" ; do
+		do_compile "${t}"
+	done
+}
+
+do_compile() {
+	local target=$1
+	shift
+
+	cd "${BUILD_DIR}/${target}" || die
+
+	# A little hack to fix parallel builds ... they break when
+	# generating sources so if we generate the sources first (in
+	# non-parallel), we can then build the rest of the package
+	# in parallel.  This is not really a perf hit since the source
+	# generation is quite small.
+	emake -j1 sources
+
+	# For some reason, sources depends on pc-files which depends on
+	# compiled libraries which depends on sources which ...
+	# Manually delete the pc-files file so the install step will
+	# create the .pc files we want.
+	rm -f misc/pc-files || die
+	emake "$@"
+}
+
+multilib_src_install() {
+	local target
+	for target in "${NCURSES_TARGETS[@]}" ; do
+		emake -C "${BUILD_DIR}/${target}" DESTDIR="${D}" install
+	done
+
+	# Move main libraries into /.
+	if multilib_is_native_abi ; then
+		gen_usr_ldscript -a \
+			"${NCURSES_TARGETS[@]}" \
+			$(usex tinfo 'tinfow tinfo' '')
+	fi
+
+	# Don't delete '*.dll.a', needed for linking, bug #631468
+	if ! use static-libs; then
+		find "${ED}"/usr/ -name '*.a' ! -name '*.dll.a' -delete || die
+	fi
+
+	# Build fails to create this ...
+	# -FIXME-
+	# Ugly hackaround for riscv having two parts libdir (bug #689240)
+	# Replace this hack with an official solution once we have one...
+	# -FIXME-
+	dosym $(sed 's@[^/]\+@..@g' <<< $(get_libdir))/share/terminfo \
+		/usr/$(get_libdir)/terminfo
+
+	# Remove obsolete libcurses symlink that is created by the build
+	# system. Technically, this could be also achieved
+	# via --disable-overwrite but it also moves headers implicitly,
+	# and we do not want to do this yet.
+	# bug #836696
+	rm "${ED}"/usr/$(get_libdir)/libcurses* || die
+}
+
+multilib_src_install_all() {
+	local terms=(
+		# Dumb/simple values that show up when using the in-kernel VT.
+		ansi console dumb linux
+		vt{52,100,102,200,220}
+		# [u]rxvt users used to be pretty common.  Probably should drop this
+		# since upstream is dead and people are moving away from it.
+		rxvt{,-unicode}{,-256color}
+		# xterm users are common, as is terminals re-using/spoofing it.
+		xterm xterm-{,256}color
+		# screen is common (and reused by tmux).
+		screen{,-256color}
+		screen.xterm-256color
+	)
+	if use split-usr ; then
+		local x
+		# We need the basic terminfo files in /etc for embedded/recovery, bug #37026
+		einfo "Installing basic terminfo files in /etc..."
+		for x in "${terms[@]}"; do
+			local termfile=$(find "${ED}"/usr/share/terminfo/ -name "${x}" 2>/dev/null)
+			local basedir=$(basename "$(dirname "${termfile}")")
+
+			if [[ -n ${termfile} ]] ; then
+				dodir "/etc/terminfo/${basedir}"
+				mv "${termfile}" "${ED}/etc/terminfo/${basedir}/" || die
+				dosym "../../../../etc/terminfo/${basedir}/${x}" \
+					"/usr/share/terminfo/${basedir}/${x}"
+			fi
+		done
+
+		echo "CONFIG_PROTECT_MASK=\"/etc/terminfo\"" | newenvd - 50ncurses
+
+		use minimal && rm -r "${ED}"/usr/share/terminfo*
+		# Because ncurses5-config --terminfo returns the directory we keep it
+		# bug #245374
+		keepdir /usr/share/terminfo
+	elif use minimal ; then
+		# Keep only the basic terminfo files
+		find "${ED}"/usr/share/terminfo/ \
+			\( -type f -o -type l \) ${terms[*]/#/! -name } -delete , \
+			-type d -empty -delete || die
+	fi
+
+	cd "${S}" || die
+	dodoc ANNOUNCE MANIFEST NEWS README* TO-DO doc/*.doc
+	if use doc ; then
+		docinto html
+		dodoc -r doc/html/
+	fi
+}
+
+pkg_preinst() {
+	preserve_old_lib /$(get_libdir)/libncurses.so.5
+	preserve_old_lib /$(get_libdir)/libncursesw.so.5
+}
+
+pkg_postinst() {
+	preserve_old_lib_notify /$(get_libdir)/libncurses.so.5
+	preserve_old_lib_notify /$(get_libdir)/libncursesw.so.5
+}