gentoo auto-resync : 04:11:2023 - 22:13:37

17 files changed, 1027 insertions, 14 deletions

diff --git a/sys-libs/Manifest.gz b/sys-libs/Manifest.gz
index 68d006cd6636..178c7275991d 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 d1c872cf15fa..6bb3d0583dcb 100644
--- a/sys-libs/compiler-rt-sanitizers/Manifest
+++ b/sys-libs/compiler-rt-sanitizers/Manifest
@@ -11,6 +11,7 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
 EBUILD compiler-rt-sanitizers-14.0.6.ebuild 6526 BLAKE2B 371b7d7bfbcacce1c04cf039b15f49bf5c8fb7de0352c4f477b92d1efe0c70442770ec0c6b60572cf5877b5c14492328cf727b2aa5c1dea761eb909aa1e1df6c SHA512 ee1f054abb9954eedd5b098afb1eb741cd2d7b1b329ef66ed3f25f8ed050227a31925852e3d893b0a9913e2ef2ac34efe89c66c19b562c586f7c0352a10a5814
@@ -23,4 +24,5 @@ EBUILD compiler-rt-sanitizers-18.0.0.9999.ebuild 6238 BLAKE2B 49947c45c94553c2bf
 EBUILD compiler-rt-sanitizers-18.0.0_pre20231013.ebuild 6238 BLAKE2B 49947c45c94553c2bfd2d0926180422c3485558dcd4d73ad9155eae53757e7ebbb74ad11155a8e3a4a230bd2bd796943ed1f962aa1286391b70d43e6dd56d35f SHA512 51f803a8510300b0771d885f77e86c8d364cac4dad901a4cccf6b0e428798dd7c8135617a09775fe6eeb888e5e4c68be9bcb9c57f4ae0b3b4e0b046f5b337012
 EBUILD compiler-rt-sanitizers-18.0.0_pre20231019.ebuild 6238 BLAKE2B 49947c45c94553c2bfd2d0926180422c3485558dcd4d73ad9155eae53757e7ebbb74ad11155a8e3a4a230bd2bd796943ed1f962aa1286391b70d43e6dd56d35f SHA512 51f803a8510300b0771d885f77e86c8d364cac4dad901a4cccf6b0e428798dd7c8135617a09775fe6eeb888e5e4c68be9bcb9c57f4ae0b3b4e0b046f5b337012
 EBUILD compiler-rt-sanitizers-18.0.0_pre20231025.ebuild 6238 BLAKE2B 49947c45c94553c2bfd2d0926180422c3485558dcd4d73ad9155eae53757e7ebbb74ad11155a8e3a4a230bd2bd796943ed1f962aa1286391b70d43e6dd56d35f SHA512 51f803a8510300b0771d885f77e86c8d364cac4dad901a4cccf6b0e428798dd7c8135617a09775fe6eeb888e5e4c68be9bcb9c57f4ae0b3b4e0b046f5b337012
+EBUILD compiler-rt-sanitizers-18.0.0_pre20231104.ebuild 6238 BLAKE2B 49947c45c94553c2bfd2d0926180422c3485558dcd4d73ad9155eae53757e7ebbb74ad11155a8e3a4a230bd2bd796943ed1f962aa1286391b70d43e6dd56d35f SHA512 51f803a8510300b0771d885f77e86c8d364cac4dad901a4cccf6b0e428798dd7c8135617a09775fe6eeb888e5e4c68be9bcb9c57f4ae0b3b4e0b046f5b337012
 MISC metadata.xml 1412 BLAKE2B 75675507000fa6a6b8182e6b45a08a2716ae7fb9a7e3428dc8420464e4c1d1bdb5bea62cc2f553c579de5a4faa752b35cb3529d980fb07a055ff4ddf6e752707 SHA512 f05ea5168b923db72f4f5b53e9b748ebbcdae9eff09d86323313055933b47fc0089e1b2d73cd997d73dcfb2dca032344955816425fbddc09d27ca751463aadbb
diff --git a/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-18.0.0_pre20231104.ebuild b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..74286022a3b1
--- /dev/null
+++ b/sys-libs/compiler-rt-sanitizers/compiler-rt-sanitizers-18.0.0_pre20231104.ebuild
@@ -0,0 +1,215 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit check-reqs cmake flag-o-matic llvm llvm.org 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+=" +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
+)
+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="
+	>=dev-util/cmake-3.16
+	clang? ( sys-devel/clang )
+	elibc_glibc? ( net-libs/libtirpc )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+		=sys-devel/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+		sys-libs/compiler-rt:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
+LLVM_TEST_COMPONENTS=( llvm/lib/Testing/Support third-party )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version ">=dev-python/lit-15[${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
+	LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	local flag
+	for flag in "${SANITIZER_FLAGS[@]}"; do
+		if ! use "${flag}"; then
+			local cmake_flag=${flag/-/_}
+			sed -i -e "/COMPILER_RT_HAS_${cmake_flag^^}/s:TRUE:FALSE:" \
+				cmake/config-ix.cmake || die
+		fi
+	done
+
+	# TODO: fix these tests to be skipped upstream
+	if use asan && ! use profile; then
+		rm test/asan/TestCases/asan_and_llvm_coverage_test.cpp || die
+	fi
+	if use ubsan && ! use cfi; then
+		> test/cfi/CMakeLists.txt || die
+	fi
+
+	llvm.org_src_prepare
+}
+
+src_configure() {
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${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_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 c49703ecacbd..6d4b3410bb9b 100644
--- a/sys-libs/compiler-rt/Manifest
+++ b/sys-libs/compiler-rt/Manifest
@@ -11,6 +11,7 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
 EBUILD compiler-rt-14.0.6-r1.ebuild 4248 BLAKE2B 56b00f1c57cdaf1cd6dd7f15e13c714461001c0c2fb25e565c1677745e3fe6e61714e2f037814fef3eb32ef6866d517c391cb5f63c852ed132d74b1b5b7ef393 SHA512 31cd40fe6c58a6a653d36e99586230c7686ccb2bcdfa1c8ead4331dec2fd8dc53afc2a1e9bdf165dc5b4f7580c8cd25bc7a68acfa9c881fd775187bd82e28f11
@@ -23,4 +24,5 @@ EBUILD compiler-rt-18.0.0.9999.ebuild 5123 BLAKE2B 34e2efe7cd03de9a7bce246735d01
 EBUILD compiler-rt-18.0.0_pre20231013.ebuild 5123 BLAKE2B 34e2efe7cd03de9a7bce246735d016e44eb5b41a4b084bff55ea1fad9048bb9fef6f310f1f113975dc54fd16f8828157a3a3e0e630eadd27dd48edc8c036ae7a SHA512 465d0c7b3b8c15e193c7b122d1feb993a13d02dc450aa652c80f4fa31b53c9c3cd257003c98910e1a0a2448cbe68939d179466d6b16c5a0e7a5302feda255662
 EBUILD compiler-rt-18.0.0_pre20231019.ebuild 5123 BLAKE2B 34e2efe7cd03de9a7bce246735d016e44eb5b41a4b084bff55ea1fad9048bb9fef6f310f1f113975dc54fd16f8828157a3a3e0e630eadd27dd48edc8c036ae7a SHA512 465d0c7b3b8c15e193c7b122d1feb993a13d02dc450aa652c80f4fa31b53c9c3cd257003c98910e1a0a2448cbe68939d179466d6b16c5a0e7a5302feda255662
 EBUILD compiler-rt-18.0.0_pre20231025.ebuild 5123 BLAKE2B 34e2efe7cd03de9a7bce246735d016e44eb5b41a4b084bff55ea1fad9048bb9fef6f310f1f113975dc54fd16f8828157a3a3e0e630eadd27dd48edc8c036ae7a SHA512 465d0c7b3b8c15e193c7b122d1feb993a13d02dc450aa652c80f4fa31b53c9c3cd257003c98910e1a0a2448cbe68939d179466d6b16c5a0e7a5302feda255662
+EBUILD compiler-rt-18.0.0_pre20231104.ebuild 5123 BLAKE2B 34e2efe7cd03de9a7bce246735d016e44eb5b41a4b084bff55ea1fad9048bb9fef6f310f1f113975dc54fd16f8828157a3a3e0e630eadd27dd48edc8c036ae7a SHA512 465d0c7b3b8c15e193c7b122d1feb993a13d02dc450aa652c80f4fa31b53c9c3cd257003c98910e1a0a2448cbe68939d179466d6b16c5a0e7a5302feda255662
 MISC metadata.xml 416 BLAKE2B 79a58249c94b605ba57f346c4e05b43853cf6cfb8bb65a4f4e3c44039cccfdb83dd31bfaaaf398bcbdc393efabdfc7ed186fe775976c46227e74decf2c8f4fb2 SHA512 ce30c79a575e5933effb1fec36f9a4ef02d9f97f312feb39c55a88cbda9a1bae1d7af2ec4ad5f66212cbb2cdbfb26f1a436689f16f410153c9d65eb010264c48
diff --git a/sys-libs/compiler-rt/compiler-rt-18.0.0_pre20231104.ebuild b/sys-libs/compiler-rt/compiler-rt-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..9c46e6737daa
--- /dev/null
+++ b/sys-libs/compiler-rt/compiler-rt-18.0.0_pre20231104.ebuild
@@ -0,0 +1,176 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit cmake crossdev flag-o-matic llvm llvm.org python-any-r1 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 +clang +debug test"
+RESTRICT="!test? ( test ) !clang? ( test )"
+
+DEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	>=dev-util/cmake-3.16
+	clang? ( sys-devel/clang )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+		=sys-devel/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version ">=dev-python/lit-15[${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() {
+	# Darwin Prefix builds do not have llvm installed yet, so rely on
+	# bootstrap-prefix to set the appropriate path vars to LLVM instead
+	# of using llvm_pkg_setup.
+	if [[ ${CHOST} != *-darwin* ]] || has_version sys-devel/llvm; then
+		LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	fi
+
+	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_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 -emain )
+
+			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/${LLVM_MAJOR}"
+
+		-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+		-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 c706a8b1c5f6..713a52c9cfa5 100644
--- a/sys-libs/db/Manifest
+++ b/sys-libs/db/Manifest
@@ -10,7 +10,7 @@ AUX db-6.0.35-sqlite-configure-path.patch 748 BLAKE2B 570c499549fddd62fa4d14a6eb
 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 4451 BLAKE2B 628a7ad196d6d67e5a9107f4c0c31d784e7c4cb335d02145296f39513daf62471ec4c636a608c2ed8b0e3beaa7fb29423b8cc83765f42ecb210abb0157c50c9d SHA512 ec423313003488ef87c6adadc666f8662cbecb827203eb9e3a77609025b8c4b233bf01f47b57bdca0905c31ad903e4e888bcc0ee9b2b9b7061fe2441df482e0f
-EBUILD db-5.3.28-r9.ebuild 6435 BLAKE2B 91d0829b5d2c3d9e4afb289b696c55b0034a3e212c3cfc1e87552aab104751dcf07a95c8fdf59d470d6228519aaae972202697a44a9c001dfa6c1a0b0e8e123c SHA512 895e9f229880df53ad39f90b43788e9e0952de7ebb480eda49ba059fc37097b2801ab5315ca22d40481838428b9ac8af007a86a9cc1fb73c4429f5d3bc59ff7b
-EBUILD db-6.0.35-r4.ebuild 6295 BLAKE2B f4670c1010430c9afa73f5fc0aadaa9257710e9df008c1d4cabb37a5d80249e62c23d0d6d616519afab07239cef81e333deb7e6d9f66b6cf7233543c3e2bc489 SHA512 9083b9d378fa318cddc2a0de7ca401952227d007e55961e4412264a8f80fe9657fc28cdc0591bf2db0d1830a5e6ae5d95da790d8e2c5bb3cb7d13a292f025100
+EBUILD db-4.8.30-r8.ebuild 4541 BLAKE2B 4abb508c496609f6c6c38d5b435587b07683215fb24f4b37633ba563e8d3e1f1af501e1145986fdd5407d88b0d986393349ba57625c020d936b2dbca98825fb4 SHA512 39ad03b4587b048b187c252ca5d2558d90a438a4e2016068761ff80ecb47333a240ebbfac35a1c547205bb05200e160c83f8c74e3ea7776ad1f2ae28333dba01
+EBUILD db-5.3.28-r9.ebuild 6515 BLAKE2B 5e63b91dee46899a394e8389c0449692bfaccba04ada69fbca1c08f8a29c792deec8766e3ee3a2435692507558b600b2b8cf54c96b68e7127b559c0cb45e0ea9 SHA512 5e51195ae4392ab836a91c6dbb012a29f6f4e558668766fb3686028f5fb0867443999575cdeb6efaeb4e9756d2786a456ae6ee88e19993cec90bdcce9d64b564
+EBUILD db-6.0.35-r4.ebuild 6375 BLAKE2B 17fd1b9519165b952fd6df73a79805f19a7b0794008201f7c2c64ab20b1d5daeab8a06b4ffecfb6f7b9f1f682a495bdddd97704cf87dfedd44a14388a0398e54 SHA512 2b24553ce58a2b0740b9898b2406c571ff2d949762c06fd667eca279296581c86e50def2d6507dbeb7f5744cf1b8a9f16b5c97ce797be98209b6f44157334821
 MISC metadata.xml 1261 BLAKE2B 81cfdd965f4e2e0342d812c6c1fd602c43ca8bbbb23bd12f230444d26bee578f9ba2af781a8390bb754b66b4699c6aada379dea90397798f8a489a7fd11b85fb SHA512 08d43450d54a8718639ae2637f13da7626415e99a8fa5948c5107b7a973161f31b3b0cf58dc538dd48a18db996f020d57d20edefbcdd8e37c6e58c206c3aab6e
diff --git a/sys-libs/db/db-4.8.30-r8.ebuild b/sys-libs/db/db-4.8.30-r8.ebuild
index f5906a0c970e..7d3883eeb360 100644
--- a/sys-libs/db/db-4.8.30-r8.ebuild
+++ b/sys-libs/db/db-4.8.30-r8.ebuild
@@ -80,6 +80,12 @@ src_prepare() {
 		-i configure || 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=(
 		--enable-compat185
@@ -93,9 +99,6 @@ multilib_src_configure() {
 		$(use_enable test)
 	)
 
-	# bug #470634 and bug #729510
-	tc-ld-force-bfd
-
 	# compilation with -O0 fails on amd64, see bug #171231
 	if [[ ${ABI} == amd64 ]]; then
 		local CFLAGS=${CFLAGS} CXXFLAGS=${CXXFLAGS}
diff --git a/sys-libs/db/db-5.3.28-r9.ebuild b/sys-libs/db/db-5.3.28-r9.ebuild
index 1d029d38e96b..a86fe5ad0d1f 100644
--- a/sys-libs/db/db-5.3.28-r9.ebuild
+++ b/sys-libs/db/db-5.3.28-r9.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-inherit autotools db flag-o-matic multilib multilib-minimal toolchain-funcs
+inherit autotools db flag-o-matic multilib-minimal toolchain-funcs
 
 #Number of official patches
 #PATCHNO=`echo ${PV}|sed -e "s,\(.*_p\)\([0-9]*\),\2,"`
@@ -24,7 +24,7 @@ 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/${MY_P}.tar.gz"
 for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
-	export SRC_URI="${SRC_URI} http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
+	SRC_URI+=" http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
 done
 
 LICENSE="Sleepycat"
@@ -111,6 +111,12 @@ src_prepare() {
 		-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
@@ -132,8 +138,6 @@ multilib_src_configure() {
 		$(use_enable test)
 	)
 
-	tc-ld-force-bfd #470634 #729510
-
 	# compilation with -O0 fails on amd64, see bug #171231
 	if [[ ${ABI} == amd64 ]]; then
 		local CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}"
diff --git a/sys-libs/db/db-6.0.35-r4.ebuild b/sys-libs/db/db-6.0.35-r4.ebuild
index 20268a5c9996..422b7e8188a8 100644
--- a/sys-libs/db/db-6.0.35-r4.ebuild
+++ b/sys-libs/db/db-6.0.35-r4.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-inherit autotools db flag-o-matic multilib multilib-minimal toolchain-funcs
+inherit autotools db flag-o-matic multilib-minimal toolchain-funcs
 
 #Number of official patches
 #PATCHNO=`echo ${PV}|sed -e "s,\(.*_p\)\([0-9]*\),\2,"`
@@ -24,7 +24,7 @@ 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/${MY_P}.tar.gz"
 for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
-	export SRC_URI="${SRC_URI} http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
+	SRC_URI+=" http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
 done
 
 LICENSE="AGPL-3"
@@ -104,6 +104,12 @@ src_prepare() {
 		-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=(
 		--enable-compat185
@@ -121,8 +127,6 @@ multilib_src_configure() {
 		$(use_enable test)
 	)
 
-	tc-ld-force-bfd #470634 #729510
-
 	# compilation with -O0 fails on amd64, see bug #171231
 	if [[ ${ABI} == amd64 ]]; then
 		local CFLAGS=${CFLAGS} CXXFLAGS=${CXXFLAGS}
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index cbd65914d1e8..a7dc795e725c 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -12,6 +12,7 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
 EBUILD libcxx-14.0.6.ebuild 6950 BLAKE2B f4f8068f1b9dd1a8c22abd4acb4206da1dd7bb4eb029723a2edfe8c5db3a6ed74a677ba00c508ff54806a33b60b131ffd4b9729ed0d6d0bf5296a1e53e2ababf SHA512 a602e45046d931f28d2656bd733823d3289a993acd7399c5cd29915e65eb9ae0cb601f2774dad34534299366ecd9c038488e037b13af8b732f254e561f56c592
@@ -25,4 +26,5 @@ EBUILD libcxx-18.0.0.9999.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a
 EBUILD libcxx-18.0.0_pre20231013.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
 EBUILD libcxx-18.0.0_pre20231019.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
 EBUILD libcxx-18.0.0_pre20231025.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
+EBUILD libcxx-18.0.0_pre20231104.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
 MISC metadata.xml 718 BLAKE2B 3cc1e43a6f1ada368cfc0bf8aaf49007f6792062b684ab9299b5180d778b158325b6931169b52dd14e85ae9ad6dc1a03be323b814fb920fe8434ad86425d699c SHA512 c2cef3e481c0c3db7de6de8c0a5aff42a1e7fe81155d99f1f0f0988f6d5ca041f787a27a2dde0073037d59e082e2f6da7eefe1303f1c1837ebc12e8e0d28729f
diff --git a/sys-libs/libcxx/libcxx-18.0.0_pre20231104.ebuild b/sys-libs/libcxx/libcxx-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..7c12f38c8f48
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-18.0.0_pre20231104.ebuild
@@ -0,0 +1,203 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit cmake-multilib flag-o-matic llvm llvm.org python-any-r1 \
+	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-util/cmake-3.16
+		sys-devel/gdb[python]
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=( runtimes libcxx{,abi} 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() {
+	# Darwin Prefix builds do not have llvm installed yet, so rely on
+	# bootstrap-prefix to set the appropriate path vars to LLVM instead
+	# of using llvm_pkg_setup.
+	if [[ ${CHOST} != *-darwin* ]] || has_version sys-devel/llvm; then
+		LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	fi
+	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() {
+	# 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_USE_COMPILER_RT=${use_compiler_rt}
+	)
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${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 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 238a77451a5d..180698868623 100644
--- a/sys-libs/libcxxabi/Manifest
+++ b/sys-libs/libcxxabi/Manifest
@@ -9,6 +9,7 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
 EBUILD libcxxabi-14.0.6.ebuild 3386 BLAKE2B 25c436f437060cdc323ff18e34d8694f558f100f81b990077ed584b7cacabb54fcaa74e67c07179d84dbd8e184f51d157b2bc8d2f48efc607985234b716840f2 SHA512 481c84912363d33b8582b61ed655be3dad86038de100c9ecf072f8bb11d850e25aa587fd43bd19dd84c280a968d2950360115f414f61748d726224aade36da6e
@@ -21,4 +22,5 @@ EBUILD libcxxabi-18.0.0.9999.ebuild 2857 BLAKE2B 5514676dd71b90112833a05b424c5d7
 EBUILD libcxxabi-18.0.0_pre20231013.ebuild 2857 BLAKE2B 5514676dd71b90112833a05b424c5d79d70d18cfc1e173eb0dbd80bd32f02ec31ce689bb30fc3aa7e6da22c8ff3b2011769539943f6087a0547fedb48100b9da SHA512 87692a0e19cc9937171167c0d0ecbe46424b0bcbff19f0cb9496387170d9b4eb2c9f1ae767792a61b146e0c8af5a437d7b9ede288d52a1ec3824517f2181a45d
 EBUILD libcxxabi-18.0.0_pre20231019.ebuild 2857 BLAKE2B 5514676dd71b90112833a05b424c5d79d70d18cfc1e173eb0dbd80bd32f02ec31ce689bb30fc3aa7e6da22c8ff3b2011769539943f6087a0547fedb48100b9da SHA512 87692a0e19cc9937171167c0d0ecbe46424b0bcbff19f0cb9496387170d9b4eb2c9f1ae767792a61b146e0c8af5a437d7b9ede288d52a1ec3824517f2181a45d
 EBUILD libcxxabi-18.0.0_pre20231025.ebuild 2857 BLAKE2B 5514676dd71b90112833a05b424c5d79d70d18cfc1e173eb0dbd80bd32f02ec31ce689bb30fc3aa7e6da22c8ff3b2011769539943f6087a0547fedb48100b9da SHA512 87692a0e19cc9937171167c0d0ecbe46424b0bcbff19f0cb9496387170d9b4eb2c9f1ae767792a61b146e0c8af5a437d7b9ede288d52a1ec3824517f2181a45d
+EBUILD libcxxabi-18.0.0_pre20231104.ebuild 2857 BLAKE2B 5514676dd71b90112833a05b424c5d79d70d18cfc1e173eb0dbd80bd32f02ec31ce689bb30fc3aa7e6da22c8ff3b2011769539943f6087a0547fedb48100b9da SHA512 87692a0e19cc9937171167c0d0ecbe46424b0bcbff19f0cb9496387170d9b4eb2c9f1ae767792a61b146e0c8af5a437d7b9ede288d52a1ec3824517f2181a45d
 MISC metadata.xml 557 BLAKE2B 4f6b0acb7cfdf74971a6fd96051d9f9020141c6117333a8de42bd043935b7bff8d9942faabdf3b1c94597c460393f64eb7d3f7b7d49f39ecfd0094de460f563e SHA512 67a812ef768e681ae77ef6e13bccffcbe53b41e94901f0558b3c7acaf896605ca670c4bb5a690bd9afa3b5a76271341710520a6abc0024c18f437fabde20e847
diff --git a/sys-libs/libcxxabi/libcxxabi-18.0.0_pre20231104.ebuild b/sys-libs/libcxxabi/libcxxabi-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..7b2c36768873
--- /dev/null
+++ b/sys-libs/libcxxabi/libcxxabi-18.0.0_pre20231104.ebuild
@@ -0,0 +1,115 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit cmake-multilib flag-o-matic llvm llvm.org python-any-r1 \
+	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=( llvm/utils/llvm-lit )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	# darwin prefix builds do not have llvm installed yet, so rely on bootstrap-prefix
+	# to set the appropriate path vars to LLVM instead of using llvm_pkg_setup.
+	if [[ ${CHOST} != *-darwin* ]] || has_version sys-devel/llvm; then
+		LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	fi
+	python-any-r1_pkg_setup
+}
+
+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
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	local libdir=$(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="${EPREFIX}"/usr/include
+
+		-DLIBCXX_LIBDIR_SUFFIX=
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(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 8513826bf45d..c4d43b3a15f5 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -12,6 +12,7 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
 EBUILD libomp-14.0.6-r1.ebuild 3917 BLAKE2B d92540af690dd622122ad1a4ed2548afa141f1254fbe9a9b3d34286b36f0fa70ccaf915f218c1bea8c68377ea20724db9443d365e2e5f290707f444d3ff47ca5 SHA512 433ae63716103af5aa493c7dbae43f10003cac95abaae579dcb61cba6390da4b9b3fc921e410ba899719bd170fa153a7b3d66c8776c37fd074066173c1fea160
@@ -25,4 +26,5 @@ EBUILD libomp-18.0.0.9999.ebuild 3910 BLAKE2B 9104678d4e75d56a9dcd6f7b1f03213053
 EBUILD libomp-18.0.0_pre20231013.ebuild 3910 BLAKE2B 9104678d4e75d56a9dcd6f7b1f032130534e49d78d5a99194fe93a064ae1bb734b865fec73da45598c9d91b479b16cc327c577bfb98c17cd061d83b228b3baac SHA512 30343370384efe4791fb91df02f465a64c67a98ad480f5a8e8d3a4d16d7b8a4c5fc564936b8c6b4facbe1443bd34542c76d344a7f7b745ca9b85622917d1c486
 EBUILD libomp-18.0.0_pre20231019.ebuild 3910 BLAKE2B 9104678d4e75d56a9dcd6f7b1f032130534e49d78d5a99194fe93a064ae1bb734b865fec73da45598c9d91b479b16cc327c577bfb98c17cd061d83b228b3baac SHA512 30343370384efe4791fb91df02f465a64c67a98ad480f5a8e8d3a4d16d7b8a4c5fc564936b8c6b4facbe1443bd34542c76d344a7f7b745ca9b85622917d1c486
 EBUILD libomp-18.0.0_pre20231025.ebuild 3910 BLAKE2B 9104678d4e75d56a9dcd6f7b1f032130534e49d78d5a99194fe93a064ae1bb734b865fec73da45598c9d91b479b16cc327c577bfb98c17cd061d83b228b3baac SHA512 30343370384efe4791fb91df02f465a64c67a98ad480f5a8e8d3a4d16d7b8a4c5fc564936b8c6b4facbe1443bd34542c76d344a7f7b745ca9b85622917d1c486
+EBUILD libomp-18.0.0_pre20231104.ebuild 3910 BLAKE2B 9104678d4e75d56a9dcd6f7b1f032130534e49d78d5a99194fe93a064ae1bb734b865fec73da45598c9d91b479b16cc327c577bfb98c17cd061d83b228b3baac SHA512 30343370384efe4791fb91df02f465a64c67a98ad480f5a8e8d3a4d16d7b8a4c5fc564936b8c6b4facbe1443bd34542c76d344a7f7b745ca9b85622917d1c486
 MISC metadata.xml 963 BLAKE2B fdea4545db21492049061b85eaa7038965183e10aceae7c41daadc1ce10e7e1bcb2e86344659787ee244360b50b51c99e1a348d3acd2185dac80097541a00dd7 SHA512 c279f8e9c2463dc3f6e02856e520105d6f3321b633439bfe7409bfd6e7e43f1450053dc4f6663492caf7077caf3f4ab0f5cf0161631639e3aefa9ff985dc476f
diff --git a/sys-libs/libomp/libomp-18.0.0_pre20231104.ebuild b/sys-libs/libomp/libomp-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..960f9ce8087f
--- /dev/null
+++ b/sys-libs/libomp/libomp-18.0.0_pre20231104.ebuild
@@ -0,0 +1,150 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit flag-o-matic cmake-multilib linux-info llvm llvm.org
+inherit python-single-r1 toolchain-funcs
+
+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 offload ompt test
+	llvm_targets_AMDGPU llvm_targets_NVPTX
+"
+REQUIRED_USE="
+	gdb-plugin? ( ${PYTHON_REQUIRED_USE} )
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	gdb-plugin? ( ${PYTHON_DEPS} )
+	hwloc? ( >=sys-apps/hwloc-2.5:0=[${MULTILIB_USEDEP}] )
+	offload? (
+		dev-libs/libffi:=[${MULTILIB_USEDEP}]
+		~sys-devel/llvm-${PV}[${MULTILIB_USEDEP}]
+		llvm_targets_AMDGPU? ( dev-libs/rocr-runtime:= )
+	)
+"
+# 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
+	offload? (
+		llvm_targets_AMDGPU? ( sys-devel/clang )
+		llvm_targets_NVPTX? ( sys-devel/clang )
+		virtual/pkgconfig
+	)
+	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
+
+kernel_pds_check() {
+	if use kernel_linux && kernel_is -lt 4 15 && kernel_is -ge 4 13; then
+		local CONFIG_CHECK="~!SCHED_PDS"
+		local ERROR_SCHED_PDS="\
+PDS scheduler versions >= 0.98c < 0.98i (e.g. used in kernels >= 4.13-pf11
+< 4.14-pf9) do not implement sched_yield() call which may result in horrible
+performance problems with libomp. If you are using one of the specified
+kernel versions, you may want to disable the PDS scheduler."
+
+		check_extra_config
+	fi
+}
+
+pkg_pretend() {
+	kernel_pds_check
+}
+
+pkg_setup() {
+	use offload && LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	if use gdb-plugin || use test; then
+		python-single-r1_pkg_setup
+	fi
+}
+
+multilib_src_configure() {
+	# LTO causes issues in other packages building, #870127
+	filter-lto
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	local build_omptarget=OFF
+	# upstream disallows building libomptarget when sizeof(void*) != 8
+	if use offload &&
+		"$(tc-getCC)" ${CFLAGS} ${CPPFLAGS} -c -x c - -o /dev/null \
+		<<-EOF &>/dev/null
+			int test[sizeof(void *) == 8 ? 1 : -1];
+		EOF
+	then
+		build_omptarget=ON
+	fi
+
+	local libdir="$(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)
+
+		-DOPENMP_ENABLE_LIBOMPTARGET=${build_omptarget}
+
+		# do not install libgomp.so & libiomp5.so aliases
+		-DLIBOMP_INSTALL_ALIASES=OFF
+		# disable unnecessary hack copying stuff back to srcdir
+		-DLIBOMP_COPY_EXPORTS=OFF
+		# prevent trying to access the GPU
+		-DLIBOMPTARGET_AMDGPU_ARCH=LIBOMPTARGET_AMDGPU_ARCH-NOTFOUND
+	)
+
+	if [[ ${build_omptarget} == ON ]]; then
+		if has "${CHOST%%-*}" aarch64 powerpc64le x86_64; then
+			mycmakeargs+=(
+				-DLIBOMPTARGET_BUILD_AMDGPU_PLUGIN=$(usex llvm_targets_AMDGPU)
+				-DLIBOMPTARGET_BUILD_CUDA_PLUGIN=$(usex llvm_targets_NVPTX)
+			)
+		else
+			mycmakeargs+=(
+				-DLIBOMPTARGET_BUILD_AMDGPU_PLUGIN=OFF
+				-DLIBOMPTARGET_BUILD_CUDA_PLUGIN=OFF
+			)
+		fi
+	fi
+
+	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++")"
+	)
+	addpredict /dev/nvidiactl
+	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 bce57b62dd43..303372044ef3 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -9,6 +9,7 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
 EBUILD llvm-libunwind-14.0.6-r1.ebuild 3161 BLAKE2B ba7b19ed2bc77b52eee0b04d938541d2eb4053b65a641e55e54ebac85adcd432fa60b2b484003890bc96be83d61410bb58c2f3a86f12a7c574044a8e10427db9 SHA512 11854f9ef2a552a96e51c618958e553d4cd4affc78312845a223d0fe6d2ff62e8f8b2b3c29ad4a093b08a6df63b230f21b9ef6b63440058322f6a00f160df3e4
@@ -21,4 +22,5 @@ EBUILD llvm-libunwind-18.0.0.9999.ebuild 3355 BLAKE2B ed26a365a02c8fd7c5432b0386
 EBUILD llvm-libunwind-18.0.0_pre20231013.ebuild 3355 BLAKE2B ed26a365a02c8fd7c5432b0386240e447dfb719cbb688d3d88cb47f8054c927aca29004a8719bc279cf7ea6b033d8ccb73ccfe6f4c508486f85c622360a5d247 SHA512 33ae579cfc54e35fdf777b760800f5b048395887973a157ee17ddc37fd60a844f09c5dbc550fca3a90bc887eceb72535fbab9a950cab252fe117b034f9b143a3
 EBUILD llvm-libunwind-18.0.0_pre20231019.ebuild 3355 BLAKE2B ed26a365a02c8fd7c5432b0386240e447dfb719cbb688d3d88cb47f8054c927aca29004a8719bc279cf7ea6b033d8ccb73ccfe6f4c508486f85c622360a5d247 SHA512 33ae579cfc54e35fdf777b760800f5b048395887973a157ee17ddc37fd60a844f09c5dbc550fca3a90bc887eceb72535fbab9a950cab252fe117b034f9b143a3
 EBUILD llvm-libunwind-18.0.0_pre20231025.ebuild 3355 BLAKE2B ed26a365a02c8fd7c5432b0386240e447dfb719cbb688d3d88cb47f8054c927aca29004a8719bc279cf7ea6b033d8ccb73ccfe6f4c508486f85c622360a5d247 SHA512 33ae579cfc54e35fdf777b760800f5b048395887973a157ee17ddc37fd60a844f09c5dbc550fca3a90bc887eceb72535fbab9a950cab252fe117b034f9b143a3
+EBUILD llvm-libunwind-18.0.0_pre20231104.ebuild 3355 BLAKE2B ed26a365a02c8fd7c5432b0386240e447dfb719cbb688d3d88cb47f8054c927aca29004a8719bc279cf7ea6b033d8ccb73ccfe6f4c508486f85c622360a5d247 SHA512 33ae579cfc54e35fdf777b760800f5b048395887973a157ee17ddc37fd60a844f09c5dbc550fca3a90bc887eceb72535fbab9a950cab252fe117b034f9b143a3
 MISC metadata.xml 438 BLAKE2B 2a36fbbc59e137056029c62aef6d167d9c82531c2582d7bad5cb13cc36e5c4c9518ffe8c56d06bbcfd97ad22eda71a8b776f3984195f53d06cf45659b438dc00 SHA512 4f18b054072d00e5440faa31a59f9ef587d035b5f25e30913f0b1449debee967fa794fae2548e87db3fb2177ce853ab075e1f11f3cc763f5d7fdf06147108845
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-18.0.0_pre20231104.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..8f54197f0751
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-18.0.0_pre20231104.ebuild
@@ -0,0 +1,131 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit cmake-multilib flag-o-matic llvm llvm.org python-any-r1 \
+	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=( libcxxabi llvm/utils/llvm-lit )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	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
+}