gentoo auto-resync : 19:11:2024 - 03:03:00

20 files changed, 1529 insertions, 17 deletions

diff --git a/sys-libs/Manifest.gz b/sys-libs/Manifest.gz
index e8a3eafc8481..9c93d6b11987 100644
--- a/sys-libs/Manifest.gz
+++ b/sys-libs/Manifest.gz
diff --git a/sys-libs/compiler-rt-sanitizers/Manifest b/sys-libs/compiler-rt-sanitizers/Manifest
index 2dff5999e6b5..8893296ccd68 100644
--- a/sys-libs/compiler-rt-sanitizers/Manifest
+++ b/sys-libs/compiler-rt-sanitizers/Manifest
@@ -15,6 +15,7 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b724ff81ec8a50380fa527111d58acd728eecb798d42f680119b6d1cbc980523e2f39220921ca1f530daa7afea05ab27436dedb7e SHA512 0abaf158b373892d5afc184158600df17a0797547ad7238ca9018d6fcdd7310b0db803d158daa82a2e04bd42d9daebaa2c3e4b9024c0fa2df72a88596575df5c
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
+DIST llvm-project-a6385a3fc8a88f092d07672210a1e773481c2919.tar.gz 222866102 BLAKE2B 9346275b18dcd7eedb699ed3494c027f597f68ceb8ff902fbff9f805a2c423d4fb86619974b3bb6fea30c5fe948e3793fb5c499f9e206b61794e13908d830327 SHA512 ac507feeaba787c6df1ece65e03d065c4f8fbabef686b583f671745e09c9a585be8c9359aeb3aa77815711a2ff9621c1b36a4d24cfe9f8d04e3288b53d7c9c69
 DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
 EBUILD compiler-rt-sanitizers-15.0.7-r1.ebuild 6668 BLAKE2B aeaf6893fc56ddaf06f0b2c2d0d9a0aa465b3ccdd19cfad213d7375be9678d9e17865fa0fbb1f007492f373e231b31c7174b32a4e324c8ec8d4a207cade24fbf SHA512 8b4847e70d11ec8cee9682866940589f862fc07efd165a9a964d32648f5db3d2795b31a914f204ce568903870c555a60dbb3277aa504e92f432468db33aba00f
 EBUILD compiler-rt-sanitizers-16.0.6-r1.ebuild 6655 BLAKE2B db5371e8891181bc3652688c2bceabc28ab5bdaec5afc80415f57b7ebe13875a84a15bc309a4d1c7e5a66c9a51a79d4c6a24a140eca5f7a1c91333e15003d430 SHA512 2053df1e8c059535bb8fc3c766fbf7bce440cf508f6f22dd78e73048af629d51e7f04a0c667632a2b9f672c2b9ebe8f72de3c5886200c36bcbb7adcd16ae5d13
@@ -26,4 +27,5 @@ EBUILD compiler-rt-sanitizers-20.0.0.9999.ebuild 6394 BLAKE2B 458582b435bbd97d6f
 EBUILD compiler-rt-sanitizers-20.0.0_pre20241029.ebuild 6394 BLAKE2B 458582b435bbd97d6fc776b1dcf653af9d41e53b0540803a3528db993eddf33284a11ec72ba7bdd2e54bbe4cf7c51e340e04970f9dc3f1f8a08edb9e5c98b9db SHA512 7f2432f6ffe217d3dcaf2185c5b08321674f1b9e5da46a2abdebebb68bccc761f0a713aa85741d9a32c29e1b54f1b12f93110146e533742265d0bb182a45501f
 EBUILD compiler-rt-sanitizers-20.0.0_pre20241106.ebuild 6394 BLAKE2B 458582b435bbd97d6fc776b1dcf653af9d41e53b0540803a3528db993eddf33284a11ec72ba7bdd2e54bbe4cf7c51e340e04970f9dc3f1f8a08edb9e5c98b9db SHA512 7f2432f6ffe217d3dcaf2185c5b08321674f1b9e5da46a2abdebebb68bccc761f0a713aa85741d9a32c29e1b54f1b12f93110146e533742265d0bb182a45501f
 EBUILD compiler-rt-sanitizers-20.0.0_pre20241113.ebuild 6394 BLAKE2B 458582b435bbd97d6fc776b1dcf653af9d41e53b0540803a3528db993eddf33284a11ec72ba7bdd2e54bbe4cf7c51e340e04970f9dc3f1f8a08edb9e5c98b9db SHA512 7f2432f6ffe217d3dcaf2185c5b08321674f1b9e5da46a2abdebebb68bccc761f0a713aa85741d9a32c29e1b54f1b12f93110146e533742265d0bb182a45501f
+EBUILD compiler-rt-sanitizers-20.0.0_pre20241118.ebuild 6394 BLAKE2B 458582b435bbd97d6fc776b1dcf653af9d41e53b0540803a3528db993eddf33284a11ec72ba7bdd2e54bbe4cf7c51e340e04970f9dc3f1f8a08edb9e5c98b9db SHA512 7f2432f6ffe217d3dcaf2185c5b08321674f1b9e5da46a2abdebebb68bccc761f0a713aa85741d9a32c29e1b54f1b12f93110146e533742265d0bb182a45501f
 MISC metadata.xml 1599 BLAKE2B 2db46fca9bbf85a6cdb70d9bc99a8e1bdc60c065b3e5f44ce31fb6cc08cc6da9037eb3155b1e73975b5e1bbb448be6b2164413f2234e89a4bc191c4562dd9342 SHA512 10bb564b181a9ce38680a05f854e58a3a726b052200d735c3959a0a42af97a47e0a5df60fbec374c7265e0eac16e1247ed0862aeab138b9dc035db8da52fb4ce
diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-20.0.0_pre20241118.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-20.0.0_pre20241118.ebuild
new file mode 100644
index 000000000000..59a64398c9bc
--- /dev/null
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-20.0.0_pre20241118.ebuild
@@ -0,0 +1,222 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit check-reqs cmake flag-o-matic llvm.org llvm-utils python-any-r1
+
+DESCRIPTION="Compiler runtime libraries for clang (sanitizers & xray)"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="${LLVM_MAJOR}"
+IUSE="+abi_x86_32 abi_x86_64 +clang +debug test"
+# base targets
+IUSE+=" +ctx-profile +libfuzzer +memprof +orc +profile +xray"
+# sanitizer targets, keep in sync with config-ix.cmake
+# NB: ubsan, scudo deliberately match two entries
+SANITIZER_FLAGS=(
+	asan dfsan lsan msan hwasan tsan ubsan safestack cfi scudo
+	shadowcallstack gwp-asan nsan rtsan
+)
+IUSE+=" ${SANITIZER_FLAGS[@]/#/+}"
+REQUIRED_USE="
+	|| ( ${SANITIZER_FLAGS[*]} libfuzzer orc profile xray )
+	test? (
+		cfi? ( ubsan )
+		gwp-asan? ( scudo )
+	)
+"
+RESTRICT="
+	!clang? ( test )
+	!test? ( test )
+"
+
+DEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+	virtual/libcrypt[abi_x86_32(-)?,abi_x86_64(-)?]
+"
+BDEPEND="
+	clang? (
+		sys-devel/clang:${LLVM_MAJOR}
+		sys-libs/compiler-rt:${LLVM_MAJOR}
+	)
+	elibc_glibc? ( net-libs/libtirpc )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+		=sys-devel/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
+LLVM_TEST_COMPONENTS=(
+	llvm/include/llvm/ProfileData llvm/lib/Testing/Support third-party
+)
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version ">=dev-python/lit-15[${PYTHON_USEDEP}]"
+}
+
+check_space() {
+	if use test; then
+		local CHECKREQS_DISK_BUILD=11G
+		check-reqs_pkg_pretend
+	fi
+}
+
+pkg_pretend() {
+	check_space
+}
+
+pkg_setup() {
+	check_space
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	local flag
+	for flag in "${SANITIZER_FLAGS[@]}"; do
+		if ! use "${flag}"; then
+			local cmake_flag=${flag/-/_}
+			sed -i -e "/COMPILER_RT_HAS_${cmake_flag^^}/s:TRUE:FALSE:" \
+				cmake/config-ix.cmake || die
+		fi
+	done
+
+	# TODO: fix these tests to be skipped upstream
+	if use asan && ! use profile; then
+		rm test/asan/TestCases/asan_and_llvm_coverage_test.cpp || die
+	fi
+	if use ubsan && ! use cfi; then
+		> test/cfi/CMakeLists.txt || die
+	fi
+	# hangs, sigh
+	rm test/tsan/getline_nohang.cpp || die
+
+	llvm.org_src_prepare
+}
+
+src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	# pre-set since we need to pass it to cmake
+	BUILD_DIR=${WORKDIR}/compiler-rt_build
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	local flag want_sanitizer=OFF
+	for flag in "${SANITIZER_FLAGS[@]}"; do
+		if use "${flag}"; then
+			want_sanitizer=ON
+			break
+		fi
+	done
+
+	local mycmakeargs=(
+		-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
+		# use a build dir structure consistent with install
+		# this makes it possible to easily deploy test-friendly clang
+		-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${LLVM_MAJOR}"
+
+		-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+		# builtins & crt installed by sys-libs/compiler-rt
+		-DCOMPILER_RT_BUILD_BUILTINS=OFF
+		-DCOMPILER_RT_BUILD_CRT=OFF
+		-DCOMPILER_RT_BUILD_CTX_PROFILE=$(usex ctx-profile)
+		-DCOMPILER_RT_BUILD_LIBFUZZER=$(usex libfuzzer)
+		-DCOMPILER_RT_BUILD_MEMPROF=$(usex memprof)
+		-DCOMPILER_RT_BUILD_ORC=$(usex orc)
+		-DCOMPILER_RT_BUILD_PROFILE=$(usex profile)
+		-DCOMPILER_RT_BUILD_SANITIZERS="${want_sanitizer}"
+		-DCOMPILER_RT_BUILD_XRAY=$(usex xray)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	if use amd64; then
+		mycmakeargs+=(
+			-DCAN_TARGET_i386=$(usex abi_x86_32)
+			-DCAN_TARGET_x86_64=$(usex abi_x86_64)
+		)
+	fi
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+
+			# they are created during src_test()
+			-DCOMPILER_RT_TEST_COMPILER="${BUILD_DIR}/lib/llvm/${LLVM_MAJOR}/bin/clang"
+			-DCOMPILER_RT_TEST_CXX_COMPILER="${BUILD_DIR}/lib/llvm/${LLVM_MAJOR}/bin/clang++"
+		)
+
+		# same flags are passed for build & tests, so we need to strip
+		# them down to a subset supported by clang
+		CC=${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang \
+		CXX=${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang++ \
+		strip-unsupported-flags
+	fi
+
+	if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
+		mycmakeargs+=(
+			# setting -isysroot is disabled with compiler-rt-prefix-paths.patch
+			# this allows adding arm64 support using SDK in EPREFIX
+			-DDARWIN_macosx_CACHED_SYSROOT="${EPREFIX}/MacOSX.sdk"
+			# Set version based on the SDK in EPREFIX
+			# This disables i386 for SDK >= 10.15
+			# Will error if has_use tsan and SDK < 10.12
+			-DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(realpath ${EPREFIX}/MacOSX.sdk | sed -e 's/.*MacOSX\(.*\)\.sdk/\1/')"
+			# Use our libtool instead of looking it up with xcrun
+			-DCMAKE_LIBTOOL="${EPREFIX}/usr/bin/${CHOST}-libtool"
+		)
+	fi
+
+	cmake_src_configure
+
+	if use test; then
+		local sys_dir=( "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/lib/* )
+		[[ -e ${sys_dir} ]] || die "Unable to find ${sys_dir}"
+		[[ ${#sys_dir[@]} -eq 1 ]] || die "Non-deterministic compiler-rt install: ${sys_dir[*]}"
+
+		# copy clang over since resource_dir is located relatively to binary
+		# therefore, we can put our new libraries in it
+		mkdir -p "${BUILD_DIR}"/lib/{llvm/${LLVM_MAJOR}/{bin,$(get_libdir)},clang/${LLVM_MAJOR}/include} || die
+		cp "${EPREFIX}"/usr/lib/llvm/${LLVM_MAJOR}/bin/clang{,++} \
+			"${BUILD_DIR}"/lib/llvm/${LLVM_MAJOR}/bin/ || die
+		cp "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/include/*.h \
+			"${BUILD_DIR}"/lib/clang/${LLVM_MAJOR}/include/ || die
+		cp "${sys_dir}"/*builtins*.a \
+			"${BUILD_DIR}/lib/clang/${LLVM_MAJOR}/lib/${sys_dir##*/}/" || die
+		# we also need LLVMgold.so for gold-based tests
+		if [[ -f ${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so ]]; then
+			ln -s "${EPREFIX}"/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so \
+				"${BUILD_DIR}"/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/ || die
+		fi
+	fi
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	# disable sandbox to have it stop clobbering LD_PRELOAD
+	local -x SANDBOX_ON=0
+	# wipe LD_PRELOAD to make ASAN happy
+	local -x LD_PRELOAD=
+
+	cmake_build check-all
+}
diff --git a/sys-libs/compiler-rt/Manifest b/sys-libs/compiler-rt/Manifest
index 0ebaa68eedec..cdd37aeed56d 100644
--- a/sys-libs/compiler-rt/Manifest
+++ b/sys-libs/compiler-rt/Manifest
@@ -13,6 +13,7 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b724ff81ec8a50380fa527111d58acd728eecb798d42f680119b6d1cbc980523e2f39220921ca1f530daa7afea05ab27436dedb7e SHA512 0abaf158b373892d5afc184158600df17a0797547ad7238ca9018d6fcdd7310b0db803d158daa82a2e04bd42d9daebaa2c3e4b9024c0fa2df72a88596575df5c
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
+DIST llvm-project-a6385a3fc8a88f092d07672210a1e773481c2919.tar.gz 222866102 BLAKE2B 9346275b18dcd7eedb699ed3494c027f597f68ceb8ff902fbff9f805a2c423d4fb86619974b3bb6fea30c5fe948e3793fb5c499f9e206b61794e13908d830327 SHA512 ac507feeaba787c6df1ece65e03d065c4f8fbabef686b583f671745e09c9a585be8c9359aeb3aa77815711a2ff9621c1b36a4d24cfe9f8d04e3288b53d7c9c69
 DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
 EBUILD compiler-rt-15.0.7-r1.ebuild 4252 BLAKE2B 7270c3ae2a4a30b79774cd38041ee5e4381a0393be7768d56c2a59000a509e2b48336467d34ee09f8d82afbe9f453f79ddc17a2708746f89d2227b66cbfc6b01 SHA512 836e4cc58522c48d6fc40ca27efd68d18cca9914ce1810ab0b6d307bfa163b9d8b883729b917fb5ff129985ec86e5ba655587c3f93980f73e762e2bfd4ca2ab4
 EBUILD compiler-rt-15.0.7-r2.ebuild 4380 BLAKE2B efee8f45c42790e54595f7423c6c18c33c769f83d3150ffab68328aac1ba90cbb1b59c046e11545cb685dacec8ab9d30b0eb48a1a4791cf53940fc5ca9891d20 SHA512 6d4ab7e49822b975056a8554f2cba98b6ff794dbbb82ec67a30e761ee2e32427223d7afd27f42b17c4a62c8a44d4db3c92b662ed09d7c73a38fb150479d7cca9
@@ -28,4 +29,5 @@ EBUILD compiler-rt-20.0.0.9999.ebuild 5100 BLAKE2B 8b21c012e5424c96d3957670edfa0
 EBUILD compiler-rt-20.0.0_pre20241029.ebuild 4977 BLAKE2B 4a8175408e7946c688c362e4df75ea733260807de4f0bdbc371c0aaccda328e0ceae0be106b2a6cf233e1541e81b03670387940d8822121d81d11f2cf71e6be5 SHA512 5fae782e62cd6234b9d637e379299d869df2b7641f52919ee52750d92eb02a1027a13be827ed53caac33f08c111174f803cd199645aab90fda77e8710977e71b
 EBUILD compiler-rt-20.0.0_pre20241106.ebuild 4977 BLAKE2B 4a8175408e7946c688c362e4df75ea733260807de4f0bdbc371c0aaccda328e0ceae0be106b2a6cf233e1541e81b03670387940d8822121d81d11f2cf71e6be5 SHA512 5fae782e62cd6234b9d637e379299d869df2b7641f52919ee52750d92eb02a1027a13be827ed53caac33f08c111174f803cd199645aab90fda77e8710977e71b
 EBUILD compiler-rt-20.0.0_pre20241113.ebuild 5100 BLAKE2B 8b21c012e5424c96d3957670edfa06a03ed3a5a328b1600c29d471ba12191b319d39e0124d276fbd4ebaef9bea3f1a2133c9fd391f22328a46b008e9c783e5cb SHA512 cd3d927fb0ad5a5f919bcc7143f07e1f32870ab7ff278503c3b73a90f1d685e9b4b657d364ddd9c20f3dd2b03d370bb791f1a5e5f1314e9b592b00df41557360
+EBUILD compiler-rt-20.0.0_pre20241118.ebuild 5100 BLAKE2B 8b21c012e5424c96d3957670edfa06a03ed3a5a328b1600c29d471ba12191b319d39e0124d276fbd4ebaef9bea3f1a2133c9fd391f22328a46b008e9c783e5cb SHA512 cd3d927fb0ad5a5f919bcc7143f07e1f32870ab7ff278503c3b73a90f1d685e9b4b657d364ddd9c20f3dd2b03d370bb791f1a5e5f1314e9b592b00df41557360
 MISC metadata.xml 610 BLAKE2B 2fd2530da10ecae7d8b54b448d0e0ec082b8082e3b5da8ab47dc79058724b368d5f900b1de18e14fe2c2b95257c69d0aceb9bd83b8b6873f65935302461ac263 SHA512 d50a05439376fa985ab1579a592cc6f544552e177132dc8773f172b827dec49ab3f8bcd77d89c25d4f2a1b99492897045b16a75ceb2d14cc76187140c33ccc45
diff --git a/sys-libs/compiler-rt/compiler-rt-20.0.0_pre20241118.ebuild b/sys-libs/compiler-rt/compiler-rt-20.0.0_pre20241118.ebuild
new file mode 100644
index 000000000000..92b6059c1ee7
--- /dev/null
+++ b/sys-libs/compiler-rt/compiler-rt-20.0.0_pre20241118.ebuild
@@ -0,0 +1,175 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake crossdev flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Compiler runtime library for clang (built-in part)"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="${LLVM_MAJOR}"
+IUSE="+abi_x86_32 abi_x86_64 +atomic-builtins +clang +debug test"
+REQUIRED_USE="atomic-builtins? ( clang )"
+RESTRICT="!test? ( test ) !clang? ( test )"
+
+DEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? ( sys-devel/clang:${LLVM_MAJOR} )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+		=sys-devel/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
+LLVM_TEST_COMPONENTS=( llvm/include/llvm/TargetParser )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version ">=dev-python/lit-15[${PYTHON_USEDEP}]"
+}
+
+pkg_pretend() {
+	if ! use clang && ! tc-is-clang; then
+		ewarn "Building using a compiler other than clang may result in broken atomics"
+		ewarn "library. Enable USE=clang unless you have a very good reason not to."
+	fi
+}
+
+pkg_setup() {
+	if target_is_not_host || tc-is-cross-compiler ; then
+		# strips vars like CFLAGS="-march=x86_64-v3" for non-x86 architectures
+		CHOST=${CTARGET} strip-unsupported-flags
+		# overrides host docs otherwise
+		DOCS=()
+	fi
+	python-any-r1_pkg_setup
+}
+
+test_compiler() {
+	target_is_not_host && return
+	$(tc-getCC) ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \
+		<<<'int main() { return 0; }' &>/dev/null
+}
+
+src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	# pre-set since we need to pass it to cmake
+	BUILD_DIR=${WORKDIR}/${P}_build
+
+	if use clang && ! is_crosspkg; then
+		# Only do this conditionally to allow overriding with
+		# e.g. CC=clang-13 in case of breakage
+		if ! tc-is-clang ; then
+			local -x CC=${CHOST}-clang
+			local -x CXX=${CHOST}-clang++
+		fi
+
+		strip-unsupported-flags
+	fi
+
+	if ! is_crosspkg && ! test_compiler ; then
+		local nolib_flags=( -nodefaultlibs -lc )
+
+		if test_compiler "${nolib_flags[@]}"; then
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}"
+		elif test_compiler "${nolib_flags[@]}" -nostartfiles; then
+			# Avoiding -nostartfiles earlier on for bug #862540,
+			# and set available entry symbol for bug #862798.
+			nolib_flags+=( -nostartfiles -e main )
+
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}"
+		fi
+	fi
+
+	local mycmakeargs=(
+		-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
+
+		-DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=$(usex !atomic-builtins)
+		-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+		-DCOMPILER_RT_BUILD_CTX_PROFILE=OFF
+		-DCOMPILER_RT_BUILD_LIBFUZZER=OFF
+		-DCOMPILER_RT_BUILD_MEMPROF=OFF
+		-DCOMPILER_RT_BUILD_ORC=OFF
+		-DCOMPILER_RT_BUILD_PROFILE=OFF
+		-DCOMPILER_RT_BUILD_SANITIZERS=OFF
+		-DCOMPILER_RT_BUILD_XRAY=OFF
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	if use amd64 && ! target_is_not_host; then
+		mycmakeargs+=(
+			-DCAN_TARGET_i386=$(usex abi_x86_32)
+			-DCAN_TARGET_x86_64=$(usex abi_x86_64)
+		)
+	fi
+
+	if is_crosspkg; then
+		# Needed to target built libc headers
+		export CFLAGS="${CFLAGS} -isystem /usr/${CTARGET}/usr/include"
+		mycmakeargs+=(
+			# Without this, the compiler will compile a test program
+			# and fail due to no builtins.
+			-DCMAKE_C_COMPILER_WORKS=1
+			-DCMAKE_CXX_COMPILER_WORKS=1
+
+			# Without this, compiler-rt install location is not unique
+			# to target triples, only to architecture.
+			# Needed if you want to target multiple libcs for one arch.
+			-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
+
+			-DCMAKE_ASM_COMPILER_TARGET="${CTARGET}"
+			-DCMAKE_C_COMPILER_TARGET="${CTARGET}"
+			-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
+		)
+	fi
+
+	if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
+		mycmakeargs+=(
+			# setting -isysroot is disabled with compiler-rt-prefix-paths.patch
+			# this allows adding arm64 support using SDK in EPREFIX
+			-DDARWIN_macosx_CACHED_SYSROOT="${EPREFIX}/MacOSX.sdk"
+			# Set version based on the SDK in EPREFIX.
+			# This disables i386 for SDK >= 10.15
+			-DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(realpath ${EPREFIX}/MacOSX.sdk | sed -e 's/.*MacOSX\(.*\)\.sdk/\1/')"
+			# Use our libtool instead of looking it up with xcrun
+			-DCMAKE_LIBTOOL="${EPREFIX}/usr/bin/${CHOST}-libtool"
+		)
+	fi
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+
+			-DCOMPILER_RT_TEST_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang"
+			-DCOMPILER_RT_TEST_CXX_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang++"
+		)
+	fi
+
+	cmake_src_configure
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake_build check-builtins
+}
diff --git a/sys-libs/db/Manifest b/sys-libs/db/Manifest
index 2afa983754af..6797556ca236 100644
--- a/sys-libs/db/Manifest
+++ b/sys-libs/db/Manifest
@@ -6,15 +6,17 @@ AUX db-4.8.30-tls-configure.patch 1934 BLAKE2B 0649b13b88b6fd999bcf94fd531c9b013
 AUX db-5.1.29-rename-atomic-compare-exchange.patch 769 BLAKE2B a6110550327dbe154ad21a053f8ebcb2a37506228c34858337b1bf375b290a351cd75405f50f567b3b56da6a2871e1f166e6e3b972a92808f841fe6f64cfb159 SHA512 25121cb7aaa08d46fb206a1437bfb2e180c4c3f5866bb02550c49bc5084842b330f9e1c47df6fd2eda72003b9ab510199588ff05a0f2e115e91f3990805dcd8f
 AUX db-5.2.28-sqlite-configure-path.patch 733 BLAKE2B 7324ab06fdf2b7c05ad03d4a91d9c62af8e0fe07db9474f3874cb3e8d50fd90e08d85a743d84062ef2ce1895d999572b3d862e3f525e719274614e2c3cf802cf SHA512 18f5fa82c236e6961711b0a41d43d2cd7b4a4b72759df69ba265a49a55023f17b1356b8a5d1c1c539d69eaaaaf4f525adbd7173acb3a8ab7eae838dd10f54021
 AUX db-5.3.28-clang16.patch 7870 BLAKE2B f89e7699cc59ed692a7481ac7224e5c47aa480bb2eec5e8d074d0231d08e52a070acb8d77aa54c1aa7678dc36665375b513b95953cdadf777d95e0cddaecdc76 SHA512 47f1da85d015b803b38d8ebcedfc88fd1ef47d06fd2766e88cf05188504b4a502dbbe25ce480fb52cccc491ad1da4c475b33c75e120f2c8bbdc256ab4ee9f2e9
+AUX db-5.3.28-modern-c.patch 7995 BLAKE2B 460aeb995442df2e30a45fe73a4ac7afa732742daf3916d61b51cab68f3dc591e2322dcea94b4027c7b9fae9af1512802af86538975dc54b49c065b218c80af0 SHA512 e443593a475730d06aa07f1c65a6534f794975d8a76afa47affe6304b8b78be6ba46afeca1957701613df7c454b89d9332f0c562e4e1c811dbac5504dda02d55
 AUX db-6.0.20-test-link.patch 1395 BLAKE2B 639f40b16fd225a57825387d75ac8bd961b11ffe653a8f2b9fa9526251713e48d8c877624e257f63c6d88a6c601e787ae44120477aa517c37c1e279298dfcaa8 SHA512 206bfe3fce4b4f8476c5d885fe8f004ce4437e42e33a6b8944de780c58bdbd8c0e7380e43113be5efeae86fcd50a12f8fca96ceb38539bb9624898a24395d408
 AUX db-6.0.35-sqlite-configure-path.patch 748 BLAKE2B 570c499549fddd62fa4d14a6eb7830dea3da6b60a05c9be6e5e5169dd9ee7b2e032b4ba9669d8de3985a2717101f7b709e1c26efb5a3200d1aa0d6511bed5d16 SHA512 fd8a4eed5d54f3364c5d3509a238db1f1d62b3f13b75ba1e58a20659c83d038904562d32cc4cdde41b324623459e50071b507979b3fedbc85f2231e6784f1227
 DIST db-4.8.30.tar.gz 22887305 BLAKE2B 10487580a371fa97ef5e468e1fcc4af68490934a82467da88b723f7d4ce403cd5f2b77bd95c218dda58161fe30bfef81f5093a8e5176f5ad5f482251c07c6423 SHA512 d1a3c52b0ab54ae3fd6792e6396c9f74d25f36b2eb9e853b67ef9c872508a58c784c7818108d06d184f59601b70cc877916e67dfea6f0ee1ca2b07468c1041f1
 DIST db-5.3.28.tar.gz 35090431 BLAKE2B 5b77a4ec0945fa96ce6c2b452fb4b029295e037fa64d5ff8dcb3b5e01ee3501fd75d9a73b8f5fa54d8907717d93546fbb5348ee70119e877fa2f17d301ecf50d SHA512 e91bbe550fc147a8be7e69ade86fdb7066453814971b2b0223f7d17712bd029a8eff5b2b6b238042ff6ec1ffa6879d44cb95c5645a922fee305c26c3eeaee090
 DIST db-6.0.35.tar.gz 36532251 BLAKE2B 22fbe557ccc13e4b936db8ca7d6ba11ce42e477bbf39f7e472067e06fb5910b1147fa58a44ac944c24a51ea839f1c61edda6bd8f3c450acac0c13d7fdba11e89 SHA512 002db1553def44efa715095b04b2bac2de7450cdc7142586d1d8b5d8ce79ee5e98f824b3bd276cd586ca932dc51ed35a9ffbed95b2b9847264f262cfa092479d
 EBUILD db-4.8.30-r8.ebuild 4535 BLAKE2B 4277f044232d6cbf4a16f4afef428d5eec22a69c66d6404ee516525eed2c667bd442c8da2b85723b05c95e3fbb9e131ef8e308f9c17c7a9d6eb29e457f57dde8 SHA512 2f93ab8e19bfc04f41f2156a0fe8854dace97e37a6158197cf13321abd6bf7dc54541d6cf35670c5d6766f5298e9eea9f489c12634557f26b449e545206d50da
-EBUILD db-4.8.30-r9.ebuild 4588 BLAKE2B f8fa4f4e9c375d7e6e51f684627571afdc043704db66c64bbe4181249fa0db35f20936f38cf66b67b76fde2378169038406a6c6b8432ee4d14cbb670253c9e53 SHA512 2a7bcf3738beb9abffef180fbbae92fdbd3ed574fd556bd05cc1761960d00e1a5f68c2fa5b400c82ae64e550727b93ed8384a8835efeca08d87a33b687c08abc
-EBUILD db-5.3.28-r10.ebuild 6562 BLAKE2B ca35fe352b3d5fac8e3d1e8880439fc04b847106a52c527a0726577b8b2f5d6289ac67c56b0f00e5a2b246716712e7cf37f75a134c19f0c48d5e636cc22facb2 SHA512 8c3194c12085d6d4ed77184648c864c442f2ae56bf18ce92153662e8c0f50e96c8ee587406a1b313733159e592613e72a97f6dc470324dc2e26248477dc776ee
-EBUILD db-5.3.28-r9.ebuild 6509 BLAKE2B 177bc94e6d5d2daef95aaf1c2cb32af3a29471c81f00d8160795fd75d369e2ce3bfd03af9a4f1fd3421ea4b3b54ababefa5e8ea4f6ef934310e9ba27189e0a87 SHA512 f669507f0058241157fb5913d5c2acc4dd370a2875c63e8d818c1b59c9fee45265ccca5b4efeabf383971826c911c5f7723b3724a728621ec7d4b5bcb5f7ecc1
+EBUILD db-4.8.30-r9.ebuild 4591 BLAKE2B 5d79d0de9b21202b9cb7ec9e773bf99902612e0e1e504ac7bd42fdc8814f89348ae11934e1e880a6b4a1d138a4ba4af39dadb1a87c8f5d4d6b24e0c84c14702f SHA512 614f45a3d5e7f05b572a5c47ca55bc16f9106f0050cbc4384eec9d3ae2a8d5fc0a377827dcbe28fdcb90acd3728fe5744ccdd48bf6d877bf6e6fd027be4b9318
+EBUILD db-5.3.28-r10.ebuild 6565 BLAKE2B 9196f6f456b03ec3a5961e7c2932afe1d2b92965b5ce469104f39cf4debdb9567f12e35403ef979d64ab9f96935864195b6c972055cf9d63b0ae987cb16f01f3 SHA512 e4bc52d2ccd31cb57318c2cd7b97eaff8ed142fdf61d9d80fa3fed886786630cfb762be4e27075978fe29a7718e47fb849554a5f12b53060c5821652eae5d1e9
+EBUILD db-5.3.28-r11.ebuild 6569 BLAKE2B 99180b94d704cec204403b784003a447ffe1caf83b6ec113c9c23770c732328e8c6acf2f4c763edbf2c73ff30a63697a0e2bf2134357a96b6aa8bb25c03079d8 SHA512 56837ce25285574274136f6bd3915d77383f40c48fa3ad31b5615b47e0bb23664e254bf750ea9b987657e7450c1122a19ffe76bef8632edbff31c4a678579b70
+EBUILD db-5.3.28-r9.ebuild 6512 BLAKE2B 8b65b58d10b361d700fa30e66c7b9ff065d41103d2993ce1c86927a334cfa3352b6a976ace0e71f149d423fd6ddd8f575bb42e2b20e058b457ca89c512c51c72 SHA512 c63545695b583473539291946166a254ed71e527a1635dfc35c175114440a86c932f7e3828cd2bb447d611c284bbae6c478ddf93145a59d0821b0113860b1caf
 EBUILD db-6.0.35-r4.ebuild 6369 BLAKE2B eb56540e960988d4448664b4d7e2d5830c5eec294a141da16123e355ef2f1e92b23ca09b08adf0ac09d662745d55731be5d4838a1cce49b827650b7f39c647a1 SHA512 afc368aee96ce55279e374016e15ffa118ff575638555c7e574a696789695dfec44fc301f1d7869f67344c31c8d743593921a5a199f59e3a17905653376ab671
-EBUILD db-6.0.35-r5.ebuild 6418 BLAKE2B 3260b73e4e6a9f58524681c94c5a021f28329c56b899f498e1f215daeab21428b46a6a1fd108d46e31844e7714a1fb93fb45c68bda7305554dbdef9e8ddfd098 SHA512 102623221838837762d345ba5349d475e3518f7ba1c23fd5d29adeffc560e4627c0adefe7f8f86c6102ed04a27102ba1b7ae06f1d47b48f2b5eacd1d84dc2dcf
+EBUILD db-6.0.35-r5.ebuild 6421 BLAKE2B 7d57041db8ba6299f1a15fa5aac6fadff0c8dea2d0bca1546919c3401b5e0669f5fdbdb25ba0073b97b06b51e91bdd82932b9cba5b4cf1122442093017bc9729 SHA512 4c271e1ce6227a90935926a5e8cdd93948adf2b01ecb6094053a0ccab7e0cb31cc7e10b73bceda79f21d5bd8107721406ca89e11b97e7757be825d04b9ce30af
 MISC metadata.xml 1261 BLAKE2B 81cfdd965f4e2e0342d812c6c1fd602c43ca8bbbb23bd12f230444d26bee578f9ba2af781a8390bb754b66b4699c6aada379dea90397798f8a489a7fd11b85fb SHA512 08d43450d54a8718639ae2637f13da7626415e99a8fa5948c5107b7a973161f31b3b0cf58dc538dd48a18db996f020d57d20edefbcdd8e37c6e58c206c3aab6e
diff --git a/sys-libs/db/db-4.8.30-r9.ebuild b/sys-libs/db/db-4.8.30-r9.ebuild
index 1905edf0726f..fbc3bc584bbb 100644
--- a/sys-libs/db/db-4.8.30-r9.ebuild
+++ b/sys-libs/db/db-4.8.30-r9.ebuild
@@ -19,10 +19,10 @@ fi
 
 S="${WORKDIR}/${MY_P}/build_unix"
 DESCRIPTION="Oracle Berkeley DB"
-HOMEPAGE="http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
-SRC_URI="http://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
+HOMEPAGE="https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
+SRC_URI="https://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
 for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
-	SRC_URI+=" http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
+	SRC_URI+=" https://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
 done
 
 LICENSE="Sleepycat"
diff --git a/sys-libs/db/db-5.3.28-r10.ebuild b/sys-libs/db/db-5.3.28-r10.ebuild
index c4d02b964a3e..3f343ede5d7f 100644
--- a/sys-libs/db/db-5.3.28-r10.ebuild
+++ b/sys-libs/db/db-5.3.28-r10.ebuild
@@ -21,10 +21,10 @@ RESTRICT="!test? ( test )"
 S_BASE="${WORKDIR}/${MY_P}"
 S="${S_BASE}/build_unix"
 DESCRIPTION="Oracle Berkeley DB"
-HOMEPAGE="http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
-SRC_URI="http://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
+HOMEPAGE="https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
+SRC_URI="https://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
 for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
-	SRC_URI+=" http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
+	SRC_URI+=" https://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
 done
 
 LICENSE="Sleepycat"
diff --git a/sys-libs/db/db-5.3.28-r11.ebuild b/sys-libs/db/db-5.3.28-r11.ebuild
new file mode 100644
index 000000000000..3cc8373601a7
--- /dev/null
+++ b/sys-libs/db/db-5.3.28-r11.ebuild
@@ -0,0 +1,240 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+inherit autotools db flag-o-matic multilib-minimal toolchain-funcs
+
+#Number of official patches
+#PATCHNO=`echo ${PV}|sed -e "s,\(.*_p\)\([0-9]*\),\2,"`
+PATCHNO="${PV/*.*.*_p}"
+if [[ ${PATCHNO} == "${PV}" ]] ; then
+	MY_PV="${PV}"
+	MY_P="${P}"
+	PATCHNO=0
+else
+	MY_PV="${PV/_p${PATCHNO}}"
+	MY_P="${PN}-${MY_PV}"
+fi
+
+RESTRICT="!test? ( test )"
+
+S_BASE="${WORKDIR}/${MY_P}"
+S="${S_BASE}/build_unix"
+DESCRIPTION="Oracle Berkeley DB"
+HOMEPAGE="https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
+SRC_URI="https://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
+for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
+	SRC_URI+=" https://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
+done
+
+LICENSE="Sleepycat"
+SLOT="$(ver_cut 1-2)"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="doc cxx tcl test"
+
+REQUIRED_USE="test? ( tcl )"
+
+# the entire testsuite needs the TCL functionality
+DEPEND="tcl? ( >=dev-lang/tcl-8.5.15-r1:0=[${MULTILIB_USEDEP}] )
+	test? ( >=dev-lang/tcl-8.5.15-r1:0=[${MULTILIB_USEDEP}] )"
+RDEPEND="tcl? ( >=dev-lang/tcl-8.5.15-r1:0=[${MULTILIB_USEDEP}] )"
+# bug #841698
+# Need binutils for tc-ld-force-bfd
+BDEPEND="
+	dev-build/autoconf-archive
+	sys-devel/binutils:*
+"
+
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/db${SLOT}/db.h
+)
+
+PATCHES=(
+	# sqlite configure call has an extra leading ..
+	# upstreamed:5.2.36, missing in 5.3.x
+	"${FILESDIR}"/${PN}-5.2.28-sqlite-configure-path.patch
+
+	# The upstream testsuite copies .lib and the binaries for each parallel test
+	# core, ~300MB each. This patch uses links instead, saves a lot of space.
+	"${FILESDIR}"/${PN}-6.0.20-test-link.patch
+
+	# Needed when compiling with clang
+	"${FILESDIR}"/${PN}-5.1.29-rename-atomic-compare-exchange.patch
+	"${FILESDIR}"/${PN}-5.3.28-modern-c.patch
+	"${FILESDIR}"/${PN}-4.8.30-tls-configure.patch
+)
+
+src_prepare() {
+	cd "${S_BASE}" || die
+	for (( i=1 ; i<=${PATCHNO} ; i++ ))
+	do
+		eapply -p0 "${DISTDIR}"/patch."${MY_PV}"."${i}"
+	done
+
+	default
+
+	# Upstream release script grabs the dates when the script was run, so lets
+	# end-run them to keep the date the same.
+	export REAL_DB_RELEASE_DATE="$(awk \
+		'/^DB_VERSION_STRING=/{ gsub(".*\\(|\\).*","",$0); print $0; }' \
+		"${S_BASE}"/dist/configure)"
+	sed -r \
+		-e "/^DB_RELEASE_DATE=/s~=.*~='${REAL_DB_RELEASE_DATE}'~g" \
+		-i dist/RELEASE || die
+
+	cd dist || die
+	rm aclocal/libtool.m4 || die
+	sed \
+		-e '/AC_PROG_LIBTOOL$/aLT_OUTPUT' \
+		-i configure.ac || die
+	sed \
+		-e '/^AC_PATH_TOOL/s/ sh, none/ bash, none/' \
+		-i aclocal/programs.m4 || die
+
+	AT_M4DIR="aclocal" eautoreconf
+
+	# They do autoconf and THEN replace the version variables :(
+	. ./RELEASE
+	local v ev
+	for v in \
+		DB_VERSION_{FAMILY,LETTER,RELEASE,MAJOR,MINOR} \
+		DB_VERSION_{PATCH,FULL,UNIQUE_NAME,STRING,FULL_STRING} \
+		DB_VERSION \
+		DB_RELEASE_DATE ; do
+		ev="__EDIT_${v}__"
+		sed -e "s/${ev}/${!v}/g" -i configure || die
+	done
+
+	# This is a false positive skip in the tests as the test-reviewer code
+	# looks for 'Skipping\s'
+	sed \
+		-e '/db_repsite/s,Skipping:,Skipping,g' \
+		-i "${S_BASE}"/test/tcl/reputils.tcl || die
+}
+
+src_configure() {
+	# Force bfd before calling multilib_toolchain_setup
+	tc-ld-force-bfd #470634 #729510
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	local myconf=(
+		# sql_compat will cause a collision with sqlite3
+		#--enable-sql_compat
+		# Don't --enable-sql* because we don't want to use bundled sqlite.
+		# See Gentoo bug #605688
+		--enable-compat185
+		--enable-dbm
+		--enable-o_direct
+		--without-uniquename
+		--disable-sql
+		--disable-sql_codegen
+		--disable-sql_compat
+		--disable-static
+		--disable-java
+		$([[ ${ABI} == amd64 ]] && echo --with-mutex=x86/gcc-assembly)
+		$(use_enable cxx)
+		$(use_enable cxx stl)
+		$(use_enable test)
+	)
+
+	# compilation with -O0 fails on amd64, see bug #171231
+	if [[ ${ABI} == amd64 ]]; then
+		local CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}"
+		replace-flags -O0 -O2
+		is-flagq -O[s123] || append-flags -O2
+	fi
+
+	# Add linker versions to the symbols. Easier to do, and safer than header file
+	# mumbo jumbo.
+	append-ldflags -Wl,--default-symver
+
+	# Bug #270851: test needs TCL support
+	if use tcl || use test ; then
+		myconf+=(
+			--enable-tcl
+			--with-tcl="${EPREFIX}/usr/$(get_libdir)"
+		)
+	else
+		myconf+=(--disable-tcl )
+	fi
+
+	ECONF_SOURCE="${S_BASE}"/dist \
+	STRIP="true" \
+	econf "${myconf[@]}"
+
+	# The embedded assembly on ARM does not work on newer hardware
+	# so you CANNOT use --with-mutex=ARM/gcc-assembly anymore.
+	# Specifically, it uses the SWPB op, which was deprecated:
+	# http://www.keil.com/support/man/docs/armasm/armasm_dom1361289909499.htm
+	# The op ALSO cannot be used in ARM-Thumb mode.
+	# Trust the compiler instead.
+	# >=db-6.1 uses LDREX instead.
+}
+
+multilib_src_install() {
+	emake DESTDIR="${D}" install
+
+	db_src_install_headerslot
+
+	db_src_install_usrlibcleanup
+}
+
+multilib_src_install_all() {
+	db_src_install_usrbinslot
+
+	db_src_install_doc
+
+	dodir /usr/sbin
+	# This file is not always built, and no longer exists as of db-4.8
+	if [[ -f "${ED}"/usr/bin/berkeley_db_svc ]] ; then
+		mv "${ED}"/usr/bin/berkeley_db_svc \
+			"${ED}"/usr/sbin/berkeley_db"${SLOT/./}"_svc || die
+	fi
+
+	# no static libraries
+	find "${ED}" -name '*.la' -delete || die
+}
+
+pkg_postinst() {
+	multilib_foreach_abi db_fix_so
+}
+
+pkg_postrm() {
+	multilib_foreach_abi db_fix_so
+}
+
+src_test() {
+	# db_repsite is impossible to build, as upstream strips those sources.
+	# db_repsite is used directly in the setup_site_prog,
+	# setup_site_prog is called from open_site_prog
+	# which is called only from tests in the multi_repmgr group.
+	#sed -ri \
+	#	-e '/set subs/s,multi_repmgr,,g' \
+	#	"${S_BASE}/test/testparams.tcl"
+	sed -r \
+		-e '/multi_repmgr/d' \
+		-i "${S_BASE}/test/tcl/test.tcl" || die
+
+	# This is the only failure in 5.2.28 so far, and looks like a false positive.
+	# Repmgr018 (btree): Test of repmgr stats.
+	#     Repmgr018.a: Start a master.
+	#     Repmgr018.b: Start a client.
+	#     Repmgr018.c: Run some transactions at master.
+	#         Rep_test: btree 20 key/data pairs starting at 0
+	#         Rep_test.a: put/get loop
+	# FAIL:07:05:59 (00:00:00) perm_no_failed_stat: expected 0, got 1
+	sed -r \
+		-e '/set parms.*repmgr018/d' \
+		-e 's/repmgr018//g' \
+		-i "${S_BASE}/test/tcl/test.tcl" || die
+
+	multilib-minimal_src_test
+}
+
+multilib_src_test() {
+	multilib_is_native_abi || return
+
+	S="${BUILD_DIR}" db_src_test
+}
diff --git a/sys-libs/db/db-5.3.28-r9.ebuild b/sys-libs/db/db-5.3.28-r9.ebuild
index 9ccd5575ff57..a2d124a37b1d 100644
--- a/sys-libs/db/db-5.3.28-r9.ebuild
+++ b/sys-libs/db/db-5.3.28-r9.ebuild
@@ -21,10 +21,10 @@ RESTRICT="!test? ( test )"
 S_BASE="${WORKDIR}/${MY_P}"
 S="${S_BASE}/build_unix"
 DESCRIPTION="Oracle Berkeley DB"
-HOMEPAGE="http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
-SRC_URI="http://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
+HOMEPAGE="https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
+SRC_URI="https://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
 for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
-	SRC_URI+=" http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
+	SRC_URI+=" https://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
 done
 
 LICENSE="Sleepycat"
diff --git a/sys-libs/db/db-6.0.35-r5.ebuild b/sys-libs/db/db-6.0.35-r5.ebuild
index 5e4a1ba38433..7c0941edd6b2 100644
--- a/sys-libs/db/db-6.0.35-r5.ebuild
+++ b/sys-libs/db/db-6.0.35-r5.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -21,10 +21,10 @@ RESTRICT="!test? ( test )"
 S_BASE="${WORKDIR}/${MY_P}"
 S="${S_BASE}/build_unix"
 DESCRIPTION="Oracle Berkeley DB"
-HOMEPAGE="http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
-SRC_URI="http://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
+HOMEPAGE="https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
+SRC_URI="https://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
 for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
-	SRC_URI+=" http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
+	SRC_URI+=" https://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
 done
 
 LICENSE="AGPL-3"
diff --git a/sys-libs/db/files/db-5.3.28-modern-c.patch b/sys-libs/db/files/db-5.3.28-modern-c.patch
new file mode 100644
index 000000000000..8c1755fe497f
--- /dev/null
+++ b/sys-libs/db/files/db-5.3.28-modern-c.patch
@@ -0,0 +1,328 @@
+https://bugs.gentoo.org/883413
+--- a/dist/aclocal/clock.m4
++++ b/dist/aclocal/clock.m4
+@@ -20,12 +20,14 @@ esac
+ #	existence to mean the clock really exists.
+ AC_CACHE_CHECK([for clock_gettime monotonic clock], db_cv_clock_monotonic, [
+ AC_TRY_RUN([
++#include <time.h>
+ #include <sys/time.h>
+-main() {
++int main(void) {
+ 	struct timespec t;
+ 	return (clock_gettime(CLOCK_MONOTONIC, &t) != 0);
+ }], db_cv_clock_monotonic=yes, db_cv_clock_monotonic=no,
+ AC_TRY_LINK([
++#include <time.h>
+ #include <sys/time.h>], [
+ struct timespec t;
+ clock_gettime(CLOCK_MONOTONIC, &t);
+--- a/dist/aclocal/mmap.m4
++++ b/dist/aclocal/mmap.m4
+@@ -28,8 +28,10 @@ if test "$mmap_ok" = "yes" ; then
+     /* Not all these includes are needed, but the minimal set varies from
+      * system to system.
+      */
++    #include <stdlib.h>
+     #include <stdio.h>
+     #include <string.h>
++    #include <unistd.h>
+     #include <sys/types.h>
+     #include <sys/stat.h>
+     #include <fcntl.h>
+@@ -42,13 +44,12 @@ if test "$mmap_ok" = "yes" ; then
+     #define MAP_FAILED (-1)
+     #endif
+ 
+-    int catch_sig(sig)
+-	    int sig;
++    void catch_sig(int sig)
+     {
+ 	    exit(1);
+     }
+ 
+-    main() {
++    int main(void) {
+ 	    const char *underlying;
+ 	    unsigned gapsize;
+ 	    char *base;
+--- a/dist/aclocal/mutex.m4
++++ b/dist/aclocal/mutex.m4
+@@ -5,7 +5,7 @@ AC_DEFUN(AM_PTHREADS_SHARED, [
+ AC_TRY_RUN([
+ #include <stdlib.h>
+ #include <pthread.h>
+-main() {
++int main(void) {
+ 	pthread_cond_t cond;
+ 	pthread_mutex_t mutex;
+ 	pthread_condattr_t condattr;
+@@ -49,7 +49,7 @@ AC_DEFUN(AM_PTHREADS_PRIVATE, [
+ AC_TRY_RUN([
+ #include <stdlib.h>
+ #include <pthread.h>
+-main() {
++int main(void) {
+ 	pthread_cond_t cond;
+ 	pthread_mutex_t mutex;
+ 	pthread_condattr_t condattr;
+@@ -89,7 +89,7 @@ AC_DEFUN(AM_PTHREADS_CONDVAR_DUPINITCHK, [
+ AC_TRY_RUN([
+ #include <stdlib.h>
+ #include <pthread.h>
+-main() {
++int main(void) {
+ 	pthread_cond_t cond;
+ 	pthread_condattr_t condattr;
+ 	exit(pthread_condattr_init(&condattr) ||
+@@ -110,7 +110,7 @@ AC_DEFUN(AM_PTHREADS_RWLOCKVAR_DUPINITCHK, [
+ AC_TRY_RUN([
+ #include <stdlib.h>
+ #include <pthread.h>
+-main() {
++int main(void) {
+ 	pthread_rwlock_t rwlock;
+ 	pthread_rwlockattr_t rwlockattr;
+ 	exit(pthread_rwlockattr_init(&rwlockattr) ||
+@@ -227,6 +227,7 @@ if test "$db_cv_mutex" = no; then
+ 	# LWP threads: _lwp_XXX
+ 	if test "$db_cv_mutex" = no; then
+ 	AC_TRY_LINK([
++	#include <stdlib.h>
+ 	#include <synch.h>],[
+ 		static lwp_mutex_t mi = SHAREDMUTEX;
+ 		static lwp_cond_t ci = SHAREDCV;
+@@ -243,6 +244,7 @@ if test "$db_cv_mutex" = no; then
+ 	LIBS="$LIBS -lthread"
+ 	AC_TRY_LINK([
+ 	#include <thread.h>
++	#include <stdlib.h>
+ 	#include <synch.h>],[
+ 		mutex_t mutex;
+ 		cond_t cond;
+@@ -258,6 +260,7 @@ if test "$db_cv_mutex" = no; then
+ 	if test "$db_cv_mutex" = no -o "$db_cv_mutex" = ui_only; then
+ 	AC_TRY_LINK([
+ 	#include <thread.h>
++	#include <stdlib.h>
+ 	#include <synch.h>],[
+ 		mutex_t mutex;
+ 		cond_t cond;
+@@ -282,7 +285,7 @@ if test "$db_cv_mutex" = no; then
+ 	# x86/gcc: FreeBSD, NetBSD, BSD/OS, Linux
+ 	AC_TRY_COMPILE(,[
+ 	#if (defined(i386) || defined(__i386__)) && defined(__GNUC__)
+-		exit(0);
++		return 0;
+ 	#else
+ 		FAIL TO COMPILE/LINK
+ 	#endif
+@@ -291,7 +294,7 @@ if test "$db_cv_mutex" = no; then
+ 	# x86_64/gcc: FreeBSD, NetBSD, BSD/OS, Linux
+ 	AC_TRY_COMPILE(,[
+ 	#if (defined(x86_64) || defined(__x86_64__)) && defined(__GNUC__)
+-		exit(0);
++		return 0;
+ 	#else
+ 		FAIL TO COMPILE/LINK
+ 	#endif
+@@ -314,7 +317,7 @@ if test "$db_cv_mutex" = no; then
+ 	AC_TRY_COMPILE(,[
+ 	#if defined(__sparc__) && defined(__GNUC__)
+ 		asm volatile ("membar #StoreStore|#StoreLoad|#LoadStore");
+-		exit(0);
++		return 0;
+ 	#else
+ 		FAIL TO COMPILE/LINK
+ 	#endif
+@@ -356,7 +359,7 @@ AC_TRY_LINK([
+ 	msem_init(&x, 0);
+ 	msem_lock(&x, 0);
+ 	msem_unlock(&x, 0);
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -373,7 +376,7 @@ AC_TRY_LINK([
+ 	msem_init(&x, 0);
+ 	msem_lock(&x, 0);
+ 	msem_unlock(&x, 0);
+-	exit(0);
++	return 0;
+ ], [db_cv_mutex=UNIX/msem_init])
+ fi
+ 
+@@ -395,7 +398,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(__USLC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -452,7 +455,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(__alpha) && defined(__DECC)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -463,7 +466,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(__alpha) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -474,7 +477,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(__arm__) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -485,7 +488,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if (defined(__mips) || defined(__mips__)) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -496,7 +499,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if (defined(__hppa) || defined(__hppa__)) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -507,7 +510,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if (defined(__powerpc__) || defined(__ppc__)) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -518,7 +521,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if (defined(mc68020) || defined(sun3)) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -529,7 +532,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(__MVS__) && defined(__IBMC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -540,7 +543,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(__s390__) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -551,7 +554,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(__ia64) && defined(__GNUC__)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -562,7 +565,7 @@ fi
+ if test "$db_cv_mutex" = no; then
+ AC_TRY_COMPILE(,[
+ #if defined(_UTS)
+-	exit(0);
++	return 0;
+ #else
+ 	FAIL TO COMPILE/LINK
+ #endif
+@@ -910,9 +913,9 @@ fi
+ if test "$db_cv_atomic" = no; then
+ 	AC_TRY_COMPILE(,[
+ 	#if ((defined(i386) || defined(__i386__)) && defined(__GNUC__))
+-		exit(0);
++		return 0;
+ 	#elif ((defined(x86_64) || defined(__x86_64__)) && defined(__GNUC__))
+-		exit(0);
++		return 0;
+ 	#else
+ 		FAIL TO COMPILE/LINK
+ 	#endif
+@@ -921,6 +924,7 @@ fi
+ 
+ if test "$db_cv_atomic" = no; then
+ AC_TRY_LINK([
++#include <stdlib.h>
+ #include <sys/atomic.h>],[
+ 	volatile unsigned val = 1;
+ 	exit (atomic_inc_uint_nv(&val) != 2 ||
+--- a/dist/aclocal/sequence.m4
++++ b/dist/aclocal/sequence.m4
+@@ -43,7 +43,9 @@ AC_DEFUN(AM_SEQUENCE_CONFIGURE, [
+ 	# test, which won't test for the appropriate printf format strings.
+ 	if test "$db_cv_build_sequence" = "yes"; then
+ 		AC_TRY_RUN([
+-		main() {
++		#include <stdio.h>
++		#include <string.h>
++		int main(void) {
+ 			$db_cv_seq_type l;
+ 			unsigned $db_cv_seq_type u;
+ 			char buf@<:@100@:>@;
+@@ -59,7 +61,10 @@ AC_DEFUN(AM_SEQUENCE_CONFIGURE, [
+ 				return (1);
+ 			return (0);
+ 		}],, [db_cv_build_sequence="no"],
+-		AC_TRY_LINK(,[
++		AC_TRY_LINK([
++		#include <stdio.h>
++		#include <string.h>
++		],[
+ 			$db_cv_seq_type l;
+ 			unsigned $db_cv_seq_type u;
+ 			char buf@<:@100@:>@;
+--- a/dist/aclocal/types.m4
++++ b/dist/aclocal/types.m4
+@@ -69,7 +69,7 @@ AC_SUBST(stdint_h_decl)
+ AC_MSG_CHECKING(for stdint.h)
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+ #include <stdint.h>
+-  int main() {
++  int main(void) {
+   uint_least8_t x=0;
+   return x;
+   }])],[AC_MSG_RESULT(yes)
+@@ -77,7 +77,7 @@ if test "$db_cv_cxx" = "yes"; then
+   AC_MSG_CHECKING([if stdint.h can be used by C++])
+   AC_LANG_PUSH(C++)
+   AC_COMPILE_IFELSE([AC_LANG_SOURCE([#include <stdint.h>
+-    int main() {
++    int main(void) {
+     uint_least8_t x=0;
+     return x;
+   }])],[AC_MSG_RESULT(yes)
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index f4dcc379731c..c5f9dc4c6ef3 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -12,6 +12,7 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b724ff81ec8a50380fa527111d58acd728eecb798d42f680119b6d1cbc980523e2f39220921ca1f530daa7afea05ab27436dedb7e SHA512 0abaf158b373892d5afc184158600df17a0797547ad7238ca9018d6fcdd7310b0db803d158daa82a2e04bd42d9daebaa2c3e4b9024c0fa2df72a88596575df5c
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
+DIST llvm-project-a6385a3fc8a88f092d07672210a1e773481c2919.tar.gz 222866102 BLAKE2B 9346275b18dcd7eedb699ed3494c027f597f68ceb8ff902fbff9f805a2c423d4fb86619974b3bb6fea30c5fe948e3793fb5c499f9e206b61794e13908d830327 SHA512 ac507feeaba787c6df1ece65e03d065c4f8fbabef686b583f671745e09c9a585be8c9359aeb3aa77815711a2ff9621c1b36a4d24cfe9f8d04e3288b53d7c9c69
 DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
 EBUILD libcxx-15.0.7-r1.ebuild 5283 BLAKE2B 4380fc5b851054a5ec226ee4c92a2b79511d73ac9b3f8bccc977211601eca36113fc0ae605854da53898507021f24a8b319197605c556244d84253bede7b84f4 SHA512 0a5859269422e794deb43ed960651a1dea830af28b5e395f32e28de8e67a1f399507340230af1c84248853f554e751709a60a9a78aeb0eb42804cb41907dbfce
 EBUILD libcxx-16.0.6.ebuild 5300 BLAKE2B 4714e22ad2fdcb07c62ead4cfa47fb4734e45dc055700b63a0f24cd6e93dde960c638fa16f55f4c04c6130fc2a7fa5729814c4aee12e9953f603ea5ccb706cc1 SHA512 3eab779107b5c737d971abe29b7bd9f44a73570957bd7d54d6aaa98ec78a6045d7d69272d611f7f09c60e1aa30bbad46b4bd1358b0b2c69e5bc686ab21444857
@@ -22,4 +23,5 @@ EBUILD libcxx-20.0.0.9999.ebuild 5358 BLAKE2B f1653197106b3f12fa21ca3e82968e2a4b
 EBUILD libcxx-20.0.0_pre20241029.ebuild 5358 BLAKE2B f1653197106b3f12fa21ca3e82968e2a4b1d5376bf0c7a72ffafe28623919c85de6180de6d2bb75092de2101ddd98c07cfa1866fda15c50832802e1a712a3f60 SHA512 501844ea65ad7200b74c412e5b9298559a78859f25f01a6b963a336db5f4be4790e079f861ab749f5b87241da014958bf166695b7aa03a6e84a7bc598dd455c2
 EBUILD libcxx-20.0.0_pre20241106.ebuild 5358 BLAKE2B f1653197106b3f12fa21ca3e82968e2a4b1d5376bf0c7a72ffafe28623919c85de6180de6d2bb75092de2101ddd98c07cfa1866fda15c50832802e1a712a3f60 SHA512 501844ea65ad7200b74c412e5b9298559a78859f25f01a6b963a336db5f4be4790e079f861ab749f5b87241da014958bf166695b7aa03a6e84a7bc598dd455c2
 EBUILD libcxx-20.0.0_pre20241113.ebuild 5358 BLAKE2B f1653197106b3f12fa21ca3e82968e2a4b1d5376bf0c7a72ffafe28623919c85de6180de6d2bb75092de2101ddd98c07cfa1866fda15c50832802e1a712a3f60 SHA512 501844ea65ad7200b74c412e5b9298559a78859f25f01a6b963a336db5f4be4790e079f861ab749f5b87241da014958bf166695b7aa03a6e84a7bc598dd455c2
+EBUILD libcxx-20.0.0_pre20241118.ebuild 5358 BLAKE2B f1653197106b3f12fa21ca3e82968e2a4b1d5376bf0c7a72ffafe28623919c85de6180de6d2bb75092de2101ddd98c07cfa1866fda15c50832802e1a712a3f60 SHA512 501844ea65ad7200b74c412e5b9298559a78859f25f01a6b963a336db5f4be4790e079f861ab749f5b87241da014958bf166695b7aa03a6e84a7bc598dd455c2
 MISC metadata.xml 598 BLAKE2B b7a60449e0d8e4e7605ec203dfaa45b17a265b024e21a3bcfe05a3aeb6c3d19a1d2a218cb1f9ac9ed52296f0d6e723fed251f364341fb70cbd91b747962db580 SHA512 a23f912efff52c4687767023da826ace8c6e5dcd5e69ece86aabbea99da89e48ba81cdc292f03193e2e8a05743e62ebf4d4735d038e0cc4b42714fa277569335
diff --git a/sys-libs/libcxx/libcxx-20.0.0_pre20241118.ebuild b/sys-libs/libcxx/libcxx-20.0.0_pre20241118.ebuild
new file mode 100644
index 000000000000..73b362d082dd
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-20.0.0_pre20241118.ebuild
@@ -0,0 +1,208 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
+HOMEPAGE="https://libcxx.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +libcxxabi +static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libcxxabi? (
+		~sys-libs/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
+	)
+	!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
+"
+DEPEND="
+	${RDEPEND}
+	sys-devel/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		sys-devel/clang:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+	test? (
+		dev-debug/gdb[python]
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=(
+	runtimes libcxx{,abi} libc llvm/{cmake,utils/llvm-lit} cmake
+)
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+
+	if ! use libcxxabi && ! tc-is-gcc ; then
+		eerror "To build ${PN} against libsupc++, you have to use gcc. Other"
+		eerror "compilers are not supported. Please set CC=gcc and CXX=g++"
+		eerror "and try again."
+		die
+	fi
+}
+
+test_compiler() {
+	$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
+		<<<'int main() { return 0; }' &>/dev/null
+}
+
+src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	# note: we need to do this before multilib kicks in since it will
+	# alter the CHOST
+	local cxxabi cxxabi_incs
+	if use libcxxabi; then
+		cxxabi=system-libcxxabi
+		cxxabi_incs="${EPREFIX}/usr/include/c++/v1"
+	else
+		local gcc_inc="${EPREFIX}/usr/lib/gcc/${CHOST}/$(gcc-fullversion)/include/g++-v$(gcc-major-version)"
+		cxxabi=libsupc++
+		cxxabi_incs="${gcc_inc};${gcc_inc}/${CHOST}"
+	fi
+
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	# link to compiler-rt
+	local use_compiler_rt=OFF
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	# bootstrap: cmake is unhappy if compiler can't link to stdlib
+	local nolib_flags=( -nodefaultlibs -lc )
+	if ! test_compiler; then
+		if test_compiler "${nolib_flags[@]}"; then
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CXX} seems to lack runtime, trying with ${nolib_flags[*]}"
+		fi
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES=libcxx
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
+		-DLIBCXX_CXX_ABI=${cxxabi}
+		-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi_incs}
+		# we're using our own mechanism for generating linker scripts
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		-DLIBCXX_INCLUDE_TESTS=$(usex test)
+		-DLIBCXX_INSTALL_MODULES=ON
+		-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
+		# this is broken with standalone builds, and also meaningless
+		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+	)
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+	cmake_src_configure
+}
+
+multilib_src_compile() {
+	cmake_src_compile
+	if [[ ${CHOST} != *-darwin* ]] ; then
+		gen_shared_ldscript
+		use static-libs && gen_static_ldscript
+	fi
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build install-cxx-test-suite-prefix
+	cp "${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_shared.so || die
+	if use static-libs; then
+		cp "${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_static.a || die
+	fi
+	cmake_build check-cxx
+}
+
+multilib_src_install() {
+	cmake_src_install
+	# since we've replaced libc++.{a,so} with ldscripts, now we have to
+	# install the extra symlinks
+	if [[ ${CHOST} != *-darwin* ]] ; then
+		dolib.so lib/libc++_shared.so
+		use static-libs && dolib.a lib/libc++_static.a
+	fi
+}
+
+# Usage: deps
+gen_ldscript() {
+	local output_format
+	output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
+	[[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
+
+	cat <<-END_LDSCRIPT
+/* GNU ld script
+   Include missing dependencies
+*/
+${output_format}
+GROUP ( $@ )
+END_LDSCRIPT
+}
+
+gen_static_ldscript() {
+	# Move it first.
+	mv lib/libc++{,_static}.a || die
+	# Generate libc++.a ldscript for inclusion of its dependencies so that
+	# clang++ -stdlib=libc++ -static works out of the box.
+	local deps=(
+		libc++_static.a
+		$(usex libcxxabi libc++abi.a libsupc++.a)
+	)
+	# On Linux/glibc it does not link without libpthread or libdl. It is
+	# fine on FreeBSD.
+	use elibc_glibc && deps+=( libpthread.a libdl.a )
+
+	gen_ldscript "${deps[*]}" > lib/libc++.a || die
+}
+
+gen_shared_ldscript() {
+	# Move it first.
+	mv lib/libc++{,_shared}.so || die
+	local deps=(
+		libc++_shared.so
+		# libsupc++ doesn't have a shared version
+		$(usex libcxxabi libc++abi.so libsupc++.a)
+	)
+
+	gen_ldscript "${deps[*]}" > lib/libc++.so || die
+}
diff --git a/sys-libs/libcxxabi/Manifest b/sys-libs/libcxxabi/Manifest
index d81d67e8df19..4f458dfb3b35 100644
--- a/sys-libs/libcxxabi/Manifest
+++ b/sys-libs/libcxxabi/Manifest
@@ -10,6 +10,7 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b724ff81ec8a50380fa527111d58acd728eecb798d42f680119b6d1cbc980523e2f39220921ca1f530daa7afea05ab27436dedb7e SHA512 0abaf158b373892d5afc184158600df17a0797547ad7238ca9018d6fcdd7310b0db803d158daa82a2e04bd42d9daebaa2c3e4b9024c0fa2df72a88596575df5c
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
+DIST llvm-project-a6385a3fc8a88f092d07672210a1e773481c2919.tar.gz 222866102 BLAKE2B 9346275b18dcd7eedb699ed3494c027f597f68ceb8ff902fbff9f805a2c423d4fb86619974b3bb6fea30c5fe948e3793fb5c499f9e206b61794e13908d830327 SHA512 ac507feeaba787c6df1ece65e03d065c4f8fbabef686b583f671745e09c9a585be8c9359aeb3aa77815711a2ff9621c1b36a4d24cfe9f8d04e3288b53d7c9c69
 DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
 EBUILD libcxxabi-15.0.7.ebuild 2911 BLAKE2B 5f2004d2f68fe4eddb0b22be82d28fcca7954d0e3ad9a5510744adc4d0dfd7a1ab9fd928404adcd3eeecc58703f51117d0a80e5895b53e0ae7b71621ad5a435c SHA512 5b8e2c6abdec785649aa41b7f05ab86ecab30ff0631d6078c9b1052b406c320c5847b8f16ffa6d9e62ba4a6bca5959b18770810924d6e6da264fb08d6ff738d0
 EBUILD libcxxabi-16.0.6.ebuild 2932 BLAKE2B 837ab88ee88d5497b8bddb9f001d4b4ddd44ed982ef47114c965174135ed136abd0e3a6f3848a4aba53d0ca3748c54674cb28de8d46fda3bb7a90f326d41c7c6 SHA512 e4ebf7f35d2cad3bf3ba02754c85fee1cd1c4e52887770698ebaa3ef2fe66873f468677d307ea2d6956c2f6d3ac9b61943461193a5315f1e8a2846f2463b0581
@@ -20,4 +21,5 @@ EBUILD libcxxabi-20.0.0.9999.ebuild 2663 BLAKE2B 51f73901a172d1d38eb2204428cab60
 EBUILD libcxxabi-20.0.0_pre20241029.ebuild 2663 BLAKE2B 51f73901a172d1d38eb2204428cab606794110644be1d95e542da7c80e2f88f12b1dde949f3b000a27677108922413351d7f79547101a22b14595b31f3cb9138 SHA512 3d61d2c559bcdb9d13a8134dd75dfb66b46b51eb8c3c870fa807f0dfc6298ed1582a6a3eeba732d9aac6e974e28bf5fc8efb6825654b11b0fcbb4eeaa4d40492
 EBUILD libcxxabi-20.0.0_pre20241106.ebuild 2663 BLAKE2B 51f73901a172d1d38eb2204428cab606794110644be1d95e542da7c80e2f88f12b1dde949f3b000a27677108922413351d7f79547101a22b14595b31f3cb9138 SHA512 3d61d2c559bcdb9d13a8134dd75dfb66b46b51eb8c3c870fa807f0dfc6298ed1582a6a3eeba732d9aac6e974e28bf5fc8efb6825654b11b0fcbb4eeaa4d40492
 EBUILD libcxxabi-20.0.0_pre20241113.ebuild 2663 BLAKE2B 51f73901a172d1d38eb2204428cab606794110644be1d95e542da7c80e2f88f12b1dde949f3b000a27677108922413351d7f79547101a22b14595b31f3cb9138 SHA512 3d61d2c559bcdb9d13a8134dd75dfb66b46b51eb8c3c870fa807f0dfc6298ed1582a6a3eeba732d9aac6e974e28bf5fc8efb6825654b11b0fcbb4eeaa4d40492
+EBUILD libcxxabi-20.0.0_pre20241118.ebuild 2663 BLAKE2B 51f73901a172d1d38eb2204428cab606794110644be1d95e542da7c80e2f88f12b1dde949f3b000a27677108922413351d7f79547101a22b14595b31f3cb9138 SHA512 3d61d2c559bcdb9d13a8134dd75dfb66b46b51eb8c3c870fa807f0dfc6298ed1582a6a3eeba732d9aac6e974e28bf5fc8efb6825654b11b0fcbb4eeaa4d40492
 MISC metadata.xml 438 BLAKE2B 0a830a06a53a6cdaf138ad7620fe366fae05c1c1451267d6a58caf7da5ce8f5a26d302fab53b9460920074ab5a65991d3bd24fde087809e8dc12188dd94c7676 SHA512 d53e13c497569636fb453a159c5ca5ddfabf8e5debd5f92e5149c52d54c876753842ab73293d6d08e2d9b279363b4f0c743eed3a5027a61246c6b60496be8e87
diff --git a/sys-libs/libcxxabi/libcxxabi-20.0.0_pre20241118.ebuild b/sys-libs/libcxxabi/libcxxabi-20.0.0_pre20241118.ebuild
new file mode 100644
index 000000000000..13b5d3b6c275
--- /dev/null
+++ b/sys-libs/libcxxabi/libcxxabi-20.0.0_pre20241118.ebuild
@@ -0,0 +1,109 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Low level support for a standard C++ library"
+HOMEPAGE="https://libcxxabi.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+# in 15.x, cxxabi.h is moving from libcxx to libcxxabi
+RDEPEND+="
+	!<sys-libs/libcxx-15
+"
+DEPEND="
+	${RDEPEND}
+	sys-devel/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		sys-devel/clang:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=( runtimes libcxx{abi,} llvm/cmake cmake )
+LLVM_TEST_COMPONENTS=( libc llvm/utils/llvm-lit )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+multilib_src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	# link to compiler-rt
+	local use_compiler_rt=OFF
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx"
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+		-DLIBCXXABI_ENABLE_SHARED=ON
+		-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
+		-DLIBCXXABI_INCLUDE_TESTS=$(usex test)
+		-DLIBCXXABI_USE_COMPILER_RT=${use_compiler_rt}
+
+		# upstream is omitting standard search path for this
+		# probably because gcc & clang are bundling their own unwind.h
+		-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
+		# this is broken with standalone builds, and also meaningless
+		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=OFF
+		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		-DLIBCXX_INCLUDE_TESTS=OFF
+	)
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+	cmake_src_configure
+}
+
+multilib_src_compile() {
+	cmake_build cxxabi
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-cxxabi
+}
+
+multilib_src_install() {
+	DESTDIR="${D}" cmake_build install-cxxabi
+}
diff --git a/sys-libs/libomp/Manifest b/sys-libs/libomp/Manifest
index cbff355b305a..421212511444 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -11,6 +11,7 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b724ff81ec8a50380fa527111d58acd728eecb798d42f680119b6d1cbc980523e2f39220921ca1f530daa7afea05ab27436dedb7e SHA512 0abaf158b373892d5afc184158600df17a0797547ad7238ca9018d6fcdd7310b0db803d158daa82a2e04bd42d9daebaa2c3e4b9024c0fa2df72a88596575df5c
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
+DIST llvm-project-a6385a3fc8a88f092d07672210a1e773481c2919.tar.gz 222866102 BLAKE2B 9346275b18dcd7eedb699ed3494c027f597f68ceb8ff902fbff9f805a2c423d4fb86619974b3bb6fea30c5fe948e3793fb5c499f9e206b61794e13908d830327 SHA512 ac507feeaba787c6df1ece65e03d065c4f8fbabef686b583f671745e09c9a585be8c9359aeb3aa77815711a2ff9621c1b36a4d24cfe9f8d04e3288b53d7c9c69
 DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
 EBUILD libomp-15.0.7-r6.ebuild 3470 BLAKE2B 9f76ca5b080ccf01617d7dcbfe3eb424c525adbcf72f2b5f09dc7bead1e28df1a0ffdf5ef47bcc7f8cac130f1d22e804e29938cda6df0ee58359ac5ff88aea86 SHA512 1a0a4b10f9a67634ea265e6df3c3f9993ed5ee3818eba2cbb6b65d8f5c3a0d2d266134f3e276985e87eca18b47a44d6de61e4c9c3496fd36c6c338dcf79b9850
 EBUILD libomp-16.0.6.ebuild 3984 BLAKE2B 8302d2776c0d8c50dcc7cac2dde8523f1abdf391d48594fdd26ebe17a089efdfee93825bdec07569878d06873b571e469411f108564df6c7eb50dc425615c255 SHA512 714da170fba4b62f3267e2530a82c583d299e8dc6c6f4037417c216c1239cc0fadc1aebf823608df37a932a7722144e67a148b58079e50560450b94c93f3e415
@@ -21,4 +22,5 @@ EBUILD libomp-20.0.0.9999.ebuild 2163 BLAKE2B 522f4f9099cf7ca69f3bd2d93f1bfa0f80
 EBUILD libomp-20.0.0_pre20241029.ebuild 2163 BLAKE2B 522f4f9099cf7ca69f3bd2d93f1bfa0f80fd1937d8147b0464d3bcb143b161cf5b17b8e2fc80a981188a1962a3dc1396979dd726028f546ccb10b56265405415 SHA512 5ae5744e3addc95f790c15e1d89d3da4080ea0216518ece8097ac21a71432892d920722618ea3589f7bf4f70c505b5be37fa9b8c49683fd2307988b4425e7bea
 EBUILD libomp-20.0.0_pre20241106.ebuild 2163 BLAKE2B 522f4f9099cf7ca69f3bd2d93f1bfa0f80fd1937d8147b0464d3bcb143b161cf5b17b8e2fc80a981188a1962a3dc1396979dd726028f546ccb10b56265405415 SHA512 5ae5744e3addc95f790c15e1d89d3da4080ea0216518ece8097ac21a71432892d920722618ea3589f7bf4f70c505b5be37fa9b8c49683fd2307988b4425e7bea
 EBUILD libomp-20.0.0_pre20241113.ebuild 2163 BLAKE2B 522f4f9099cf7ca69f3bd2d93f1bfa0f80fd1937d8147b0464d3bcb143b161cf5b17b8e2fc80a981188a1962a3dc1396979dd726028f546ccb10b56265405415 SHA512 5ae5744e3addc95f790c15e1d89d3da4080ea0216518ece8097ac21a71432892d920722618ea3589f7bf4f70c505b5be37fa9b8c49683fd2307988b4425e7bea
+EBUILD libomp-20.0.0_pre20241118.ebuild 2163 BLAKE2B 522f4f9099cf7ca69f3bd2d93f1bfa0f80fd1937d8147b0464d3bcb143b161cf5b17b8e2fc80a981188a1962a3dc1396979dd726028f546ccb10b56265405415 SHA512 5ae5744e3addc95f790c15e1d89d3da4080ea0216518ece8097ac21a71432892d920722618ea3589f7bf4f70c505b5be37fa9b8c49683fd2307988b4425e7bea
 MISC metadata.xml 883 BLAKE2B 127e896b82a49633a6866b33ca776ebe2dd149a5d04da4484a53186f219a85db0ab9d826bc1cc61d4df9fa54c9bcc546be070a0b28985174925fd947aa09cca2 SHA512 dc32cae01401feb93eede6506b3955c766ff19b44976fcc67277559b23ac151993377daeed9ba83b2dd71dbdeea330cd1208dcb0c9c5f56be270883b31f9b15f
diff --git a/sys-libs/libomp/libomp-20.0.0_pre20241118.ebuild b/sys-libs/libomp/libomp-20.0.0_pre20241118.ebuild
new file mode 100644
index 000000000000..32b91b3699c4
--- /dev/null
+++ b/sys-libs/libomp/libomp-20.0.0_pre20241118.ebuild
@@ -0,0 +1,88 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit flag-o-matic cmake-multilib linux-info llvm.org python-single-r1
+
+DESCRIPTION="OpenMP runtime library for LLVM/clang compiler"
+HOMEPAGE="https://openmp.llvm.org"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0/${LLVM_SOABI}"
+IUSE="+debug gdb-plugin hwloc ompt test"
+REQUIRED_USE="
+	gdb-plugin? ( ${PYTHON_REQUIRED_USE} )
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	gdb-plugin? ( ${PYTHON_DEPS} )
+	hwloc? ( >=sys-apps/hwloc-2.5:0=[${MULTILIB_USEDEP}] )
+"
+# tests:
+# - dev-python/lit provides the test runner
+# - sys-devel/llvm provide test utils (e.g. FileCheck)
+# - sys-devel/clang provides the compiler to run tests
+DEPEND="
+	${RDEPEND}
+"
+BDEPEND="
+	dev-lang/perl
+	test? (
+		${PYTHON_DEPS}
+		$(python_gen_cond_dep '
+			dev-python/lit[${PYTHON_USEDEP}]
+		')
+		sys-devel/clang
+	)
+"
+
+LLVM_COMPONENTS=( openmp cmake llvm/include )
+llvm.org_set_globals
+
+pkg_setup() {
+	if use gdb-plugin || use test; then
+		python-single-r1_pkg_setup
+	fi
+}
+
+multilib_src_configure() {
+	# LTO causes issues in other packages building, #870127
+	filter-lto
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	local libdir="$(get_libdir)"
+	local mycmakeargs=(
+		-DOPENMP_LIBDIR_SUFFIX="${libdir#lib}"
+
+		-DLIBOMP_USE_HWLOC=$(usex hwloc)
+		-DLIBOMP_OMPD_GDB_SUPPORT=$(multilib_native_usex gdb-plugin)
+		-DLIBOMP_OMPT_SUPPORT=$(usex ompt)
+
+		# do not install libgomp.so & libiomp5.so aliases
+		-DLIBOMP_INSTALL_ALIASES=OFF
+		# disable unnecessary hack copying stuff back to srcdir
+		-DLIBOMP_COPY_EXPORTS=OFF
+	)
+
+	use test && mycmakeargs+=(
+		# this project does not use standard LLVM cmake macros
+		-DOPENMP_LLVM_LIT_EXECUTABLE="${EPREFIX}/usr/bin/lit"
+		-DOPENMP_LIT_ARGS="$(get_lit_flags)"
+
+		-DOPENMP_TEST_C_COMPILER="$(type -P "${CHOST}-clang")"
+		-DOPENMP_TEST_CXX_COMPILER="$(type -P "${CHOST}-clang++")"
+	)
+	cmake_src_configure
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake_build check-libomp
+}
diff --git a/sys-libs/llvm-libunwind/Manifest b/sys-libs/llvm-libunwind/Manifest
index 18cc59695b46..bacdb80f4411 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -10,6 +10,7 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b724ff81ec8a50380fa527111d58acd728eecb798d42f680119b6d1cbc980523e2f39220921ca1f530daa7afea05ab27436dedb7e SHA512 0abaf158b373892d5afc184158600df17a0797547ad7238ca9018d6fcdd7310b0db803d158daa82a2e04bd42d9daebaa2c3e4b9024c0fa2df72a88596575df5c
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
+DIST llvm-project-a6385a3fc8a88f092d07672210a1e773481c2919.tar.gz 222866102 BLAKE2B 9346275b18dcd7eedb699ed3494c027f597f68ceb8ff902fbff9f805a2c423d4fb86619974b3bb6fea30c5fe948e3793fb5c499f9e206b61794e13908d830327 SHA512 ac507feeaba787c6df1ece65e03d065c4f8fbabef686b583f671745e09c9a585be8c9359aeb3aa77815711a2ff9621c1b36a4d24cfe9f8d04e3288b53d7c9c69
 DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
 EBUILD llvm-libunwind-15.0.7.ebuild 3032 BLAKE2B 9b47e894db1a764f3eca3135f4caba68261953f4433af017b7bb53181e345ad26c570733f997022c53c9ef49a0a3b823188d92cfcc16a2113825d767b1ffab2a SHA512 0b68480fb2a8e5a351574e81fbcff824cd324754ed40378f06fec12fedbba94a921043d72db6ecc37f8b0680b7f518bbbd8d63f69ce8d84f86ca522653d293fb
 EBUILD llvm-libunwind-16.0.6-r1.ebuild 3440 BLAKE2B eafe21a3de172043ca0039ba27c80c64d32b02cc86bdb5a6d108ded35770e0352216337cbf24ee4fde43b699a68a85c8145be2d17510d525452bfd5a02674998 SHA512 164fdc1c62405e02c035af7997b8522b51f5b9337d2bb66d7fc9b1f45df74ec70d31b26dc5324c59792d32c543fe18abf74ed3b07a64c131e3c1bb4f9f733c5d
@@ -20,4 +21,5 @@ EBUILD llvm-libunwind-20.0.0.9999.ebuild 3321 BLAKE2B 11e3226e8d8fd4781f2c3b9b4a
 EBUILD llvm-libunwind-20.0.0_pre20241029.ebuild 3321 BLAKE2B 11e3226e8d8fd4781f2c3b9b4a40068a57fba8b0797726c88f592e69147a99bbfc78d98449daccfd0d30fd378ba8ced48d6dcd4df938fb7604d02dcee3f18f3e SHA512 9c815395dcb606b62f192c978185d88978c4f280a71c69611a1d106dcec1758b901cfd74652e2b4e4adcb944bec318de8f2aa8d32aaea3d471b43870dbf2d562
 EBUILD llvm-libunwind-20.0.0_pre20241106.ebuild 3321 BLAKE2B 11e3226e8d8fd4781f2c3b9b4a40068a57fba8b0797726c88f592e69147a99bbfc78d98449daccfd0d30fd378ba8ced48d6dcd4df938fb7604d02dcee3f18f3e SHA512 9c815395dcb606b62f192c978185d88978c4f280a71c69611a1d106dcec1758b901cfd74652e2b4e4adcb944bec318de8f2aa8d32aaea3d471b43870dbf2d562
 EBUILD llvm-libunwind-20.0.0_pre20241113.ebuild 3321 BLAKE2B 11e3226e8d8fd4781f2c3b9b4a40068a57fba8b0797726c88f592e69147a99bbfc78d98449daccfd0d30fd378ba8ced48d6dcd4df938fb7604d02dcee3f18f3e SHA512 9c815395dcb606b62f192c978185d88978c4f280a71c69611a1d106dcec1758b901cfd74652e2b4e4adcb944bec318de8f2aa8d32aaea3d471b43870dbf2d562
+EBUILD llvm-libunwind-20.0.0_pre20241118.ebuild 3321 BLAKE2B 11e3226e8d8fd4781f2c3b9b4a40068a57fba8b0797726c88f592e69147a99bbfc78d98449daccfd0d30fd378ba8ced48d6dcd4df938fb7604d02dcee3f18f3e SHA512 9c815395dcb606b62f192c978185d88978c4f280a71c69611a1d106dcec1758b901cfd74652e2b4e4adcb944bec318de8f2aa8d32aaea3d471b43870dbf2d562
 MISC metadata.xml 438 BLAKE2B 2a36fbbc59e137056029c62aef6d167d9c82531c2582d7bad5cb13cc36e5c4c9518ffe8c56d06bbcfd97ad22eda71a8b776f3984195f53d06cf45659b438dc00 SHA512 4f18b054072d00e5440faa31a59f9ef587d035b5f25e30913f0b1449debee967fa794fae2548e87db3fb2177ce853ab075e1f11f3cc763f5d7fdf06147108845
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-20.0.0_pre20241118.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-20.0.0_pre20241118.ebuild
new file mode 100644
index 000000000000..f2972aaec14a
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-20.0.0_pre20241118.ebuild
@@ -0,0 +1,128 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="C++ runtime stack unwinder from LLVM"
+HOMEPAGE="https://llvm.org/docs/ExceptionHandling.html"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +debug static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	!sys-libs/libunwind
+"
+DEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		sys-devel/clang:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=( runtimes libunwind libcxx llvm/cmake cmake )
+LLVM_TEST_COMPONENTS=( libc libcxxabi llvm/utils/llvm-lit )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+multilib_src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	local libdir=$(get_libdir)
+
+	# https://github.com/llvm/llvm-project/issues/56825
+	# also separately bug #863917
+	filter-lto
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	# link to compiler-rt
+	# https://github.com/gentoo/gentoo/pull/21516
+	local use_compiler_rt=OFF
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	# Respect upstream build type assumptions (bug #910436) where they do:
+	# -DLIBUNWIND_ENABLE_ASSERTIONS=ON =>
+	#       -DCMAKE_BUILD_TYPE=DEBUG  => -UNDEBUG
+	#       -DCMAKE_BUILD_TYPE!=debug => -DNDEBUG
+	# -DLIBUNWIND_ENABLE_ASSERTIONS=OFF =>
+	#       -UNDEBUG
+	# See also https://github.com/llvm/llvm-project/issues/86#issuecomment-1649668826.
+	use debug || append-cppflags -DNDEBUG
+
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES="libunwind"
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLIBUNWIND_ENABLE_ASSERTIONS=$(usex debug)
+		-DLIBUNWIND_ENABLE_STATIC=$(usex static-libs)
+		-DLIBUNWIND_INCLUDE_TESTS=$(usex test)
+		-DLIBUNWIND_INSTALL_HEADERS=ON
+
+		# support non-native unwinding; given it's small enough,
+		# enable it unconditionally
+		-DLIBUNWIND_ENABLE_CROSS_UNWINDING=ON
+
+		# avoid dependency on libgcc_s if compiler-rt is used
+		-DLIBUNWIND_USE_COMPILER_RT=${use_compiler_rt}
+	)
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_ENABLE_RUNTIMES="libunwind;libcxxabi;libcxx"
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DLIBUNWIND_LIBCXX_PATH="${WORKDIR}/libcxx"
+
+			-DLIBCXXABI_LIBDIR_SUFFIX=
+			-DLIBCXXABI_ENABLE_SHARED=OFF
+			-DLIBCXXABI_ENABLE_STATIC=ON
+			-DLIBCXXABI_USE_LLVM_UNWINDER=ON
+			-DLIBCXXABI_INCLUDE_TESTS=OFF
+
+			-DLIBCXX_LIBDIR_SUFFIX=
+			-DLIBCXX_ENABLE_SHARED=OFF
+			-DLIBCXX_ENABLE_STATIC=ON
+			-DLIBCXX_CXX_ABI=libcxxabi
+			-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+			-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+			-DLIBCXX_HAS_GCC_S_LIB=OFF
+			-DLIBCXX_INCLUDE_TESTS=OFF
+			-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		)
+	fi
+
+	cmake_src_configure
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-unwind
+}
+
+multilib_src_install() {
+	DESTDIR=${D} cmake_build install-unwind
+}