gentoo auto-resync : 25:09:2023 - 23:26:33

13 files changed, 1424 insertions, 0 deletions

diff --git a/sys-devel/Manifest.gz b/sys-devel/Manifest.gz
index 4897352b0147..747e49902709 100644
--- a/sys-devel/Manifest.gz
+++ b/sys-devel/Manifest.gz
diff --git a/sys-devel/clang-common/Manifest b/sys-devel/clang-common/Manifest
index e03c7fe1f386..903b158c8617 100644
--- a/sys-devel/clang-common/Manifest
+++ b/sys-devel/clang-common/Manifest
@@ -9,6 +9,7 @@ DIST llvm-project-17.0.0rc4.src.tar.xz.sig 438 BLAKE2B 2cda35b4a3ebddfdbe6828459
 DIST llvm-project-17.0.1.src.tar.xz 127830376 BLAKE2B bb3b9f7358df9006307f5eeccfc5c5ee5497498c4f091347924911cb6534e8d930024c35387456af24bf647d9e24a3d927aa49199036fb475018a610b5d792c7 SHA512 6fc1d5ff4fec49ef5bb495ba9d8f9ee9052c10999ec9d3ac8f825c718e3cdd64abd95408c4e5bb7f67eb9a7bfac9e26d2a949c4da9f163b5646c02e8a670ead5
 DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b782d7c9c2a07911d9ede2e3421031bb1b4959bd495c5e39d094aeaf555579b9fe3eb834c1449077c154c629f5db605375e7c SHA512 301a6e6c46d6fee13c86dec1a021c35f6bf3a97e5d6b0aa7b7eac34e7ca52f6cefffc25a9e376250b1eb721a65a5852f2f1948abd432698363a81dd7ee19d81c
 DIST llvm-project-7e5809e7e7bc9a828427b6540a51d45884d8bbbb.tar.gz 197275742 BLAKE2B 17df09155cf3451deffcdd71a4b0602211a4638ad961eb351802028f4fd1b8db870bef817430adb709ea7c1e85f545d7507c06d7fca26869f8a10e6ac6b03967 SHA512 e84aa041aadf3e50376cffd1e92c1447acdca0a2cf8e7df9cca9d0337dfeccb1d022da3a229bb0cfdc9c5fb87215682a1e4f474208b09b8800f30aa0c6e36c4b
+DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD clang-common-14.0.6.ebuild 541 BLAKE2B 87b158e874cf600e23591a8095e0edb4d30d4482600ef8fe38984e9ba9559e6e2226107cd482f355d950392a6a452e1a8ae79d297d5afc3951a7f1c8f6227b5f SHA512 1bd0481468c278f131ec9f87243927b60a59752f4229450559bf8016e9599155a52593810fcdc1cf0aecd4aa1529e8df300d95123a53de18eb326152caafbbef
 EBUILD clang-common-15.0.7-r5.ebuild 5090 BLAKE2B 39974630209630607d10903585223df68cd809fb390fc9eb2a80c4235ce70ae21120083f8eaf749c769a93f738c4e971e31e978dd637a0b87d07260281db4b83 SHA512 6cb37a7eb373d300d165e851e3643fd35e11d78a6a88617b4a8c0063b83558d10d307c32861e9ba2d0ac902c1cd2069ece6bd1446e309a6753f13adf8cd8fa2c
 EBUILD clang-common-15.0.7-r7.ebuild 5462 BLAKE2B 098697c65115e672a1e878167997d820c93cad6a71c5a1dc17c731a031d37f20e50ef41e2f1d3238bc91065ba23bab5db4ab48e8274be9db3cb086ec6cdf7868 SHA512 7500bf0c4fde82b90aac68d09b95a49c241fae8b0d2340f7780e9baed1c85d855e45c4296a7daaa0b831a07f442e0be4faf6510a335fa5c979b3061e28fdb99d
@@ -18,4 +19,5 @@ EBUILD clang-common-17.0.1.9999.ebuild 7312 BLAKE2B f4b71b9e945ab3077cc6a878db87
 EBUILD clang-common-17.0.1.ebuild 7403 BLAKE2B 35f5e2902195de83791905633e996ae12bbe2b4611ddd300b4674e369cdeb823fbcf9258d765685fc9820999ba720b5c045b05c8f60c478873c5e4bada8ead29 SHA512 ae7f947ac7f8042ce120443c7ffbda45dabee3d089ba534243d3dd333e4f2c22fb720a8f12ff1cee5815fbcf4734ab68b50b82fa38e3edc5c0f8f080d9d4c87b
 EBUILD clang-common-18.0.0.9999.ebuild 7315 BLAKE2B 00a7319ea073ee22b56e5299c97c083444fffaa8739fa420c79368fd5c6217c3333b616a7c347276797baef3a586069c879f08061cd01c2b73e222b779d74928 SHA512 6948e83aab799aec9835d11cbef96809cc0d4e9205a8b49770dab92ca0f9430989130e553ef56263dd5362e9419e7f2c1945987f538ebe212112b504fe04ff35
 EBUILD clang-common-18.0.0_pre20230906-r1.ebuild 7094 BLAKE2B e203fed2d6516e166c9bded0b1ba0b88b479e3c819e5695f619e4b36ffd76230ab220ad2604709d42989f96b405e791664511b191284b3f5c5c3b4149d3cbd7b SHA512 c8a086a394448bfc8ed1f5d520d0fc87786001f57c0e170ba2ba48b177fce641d91c585a393188710a829767c5bd06411b46e36ea915dba2266ef113fe99bff6
+EBUILD clang-common-18.0.0_pre20230925.ebuild 7315 BLAKE2B 00a7319ea073ee22b56e5299c97c083444fffaa8739fa420c79368fd5c6217c3333b616a7c347276797baef3a586069c879f08061cd01c2b73e222b779d74928 SHA512 6948e83aab799aec9835d11cbef96809cc0d4e9205a8b49770dab92ca0f9430989130e553ef56263dd5362e9419e7f2c1945987f538ebe212112b504fe04ff35
 MISC metadata.xml 735 BLAKE2B 12ea133df3d7eb9367a65e572ef91893e654d5b77caa27c66e4b5b41ba90ebc5e619eb78dfff2a67183d2c1cbfcf35fa903b2bb75604ce153d5cedfce5346e3c SHA512 8ed6b12d4f2aa1985897a8d81ce898dbc0d14ac222f3d0f259cbe80fbb8b2349dff7677627daeaf39a422f290200da4fac6348abc81c9e35da0ca73a11cfdd83
diff --git a/sys-devel/clang-common/clang-common-18.0.0_pre20230925.ebuild b/sys-devel/clang-common/clang-common-18.0.0_pre20230925.ebuild
new file mode 100644
index 000000000000..baa1dffade6a
--- /dev/null
+++ b/sys-devel/clang-common/clang-common-18.0.0_pre20230925.ebuild
@@ -0,0 +1,250 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit bash-completion-r1 llvm.org multilib
+
+DESCRIPTION="Common files shared between multiple slots of clang"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="0"
+KEYWORDS=""
+IUSE="
+	default-compiler-rt default-libcxx default-lld llvm-libunwind
+	hardened stricter
+"
+
+PDEPEND="
+	sys-devel/clang:*
+	default-compiler-rt? (
+		sys-devel/clang-runtime[compiler-rt]
+		llvm-libunwind? ( sys-libs/llvm-libunwind[static-libs] )
+		!llvm-libunwind? ( sys-libs/libunwind[static-libs] )
+	)
+	!default-compiler-rt? ( sys-devel/gcc )
+	default-libcxx? ( >=sys-libs/libcxx-${PV}[static-libs] )
+	!default-libcxx? ( sys-devel/gcc )
+	default-lld? ( sys-devel/lld )
+	!default-lld? ( sys-devel/binutils )
+"
+IDEPEND="
+	!default-compiler-rt? ( sys-devel/gcc-config )
+	!default-libcxx? ( sys-devel/gcc-config )
+"
+
+LLVM_COMPONENTS=( clang/utils )
+llvm.org_set_globals
+
+pkg_pretend() {
+	[[ ${CLANG_IGNORE_DEFAULT_RUNTIMES} ]] && return
+
+	local flag missing_flags=()
+	for flag in default-{compiler-rt,libcxx,lld}; do
+		if ! use "${flag}" && has_version "sys-devel/clang[${flag}]"; then
+			missing_flags+=( "${flag}" )
+		fi
+	done
+
+	if [[ ${missing_flags[@]} ]]; then
+		eerror "It seems that you have the following flags set on sys-devel/clang:"
+		eerror
+		eerror "  ${missing_flags[*]}"
+		eerror
+		eerror "The default runtimes are now set via flags on sys-devel/clang-common."
+		eerror "The build is being aborted to prevent breakage.  Please either set"
+		eerror "the respective flags on this ebuild, e.g.:"
+		eerror
+		eerror "  sys-devel/clang-common ${missing_flags[*]}"
+		eerror
+		eerror "or build with CLANG_IGNORE_DEFAULT_RUNTIMES=1."
+		die "Mismatched defaults detected between sys-devel/clang and sys-devel/clang-common"
+	fi
+}
+
+doclang_cfg() {
+	local triple="${1}"
+
+	local tool
+	for tool in ${triple}-clang{,++}; do
+		newins - "${tool}.cfg" <<-EOF
+			# This configuration file is used by ${tool} driver.
+			@gentoo-common.cfg
+			@gentoo-common-ld.cfg
+		EOF
+	done
+
+	newins - "${triple}-clang-cpp.cfg" <<-EOF
+		# This configuration file is used by the ${triple}-clang-cpp driver.
+		@gentoo-common.cfg
+	EOF
+
+	# Install symlinks for triples with other vendor strings since some
+	# programs insist on mangling the triple.
+	local vendor
+	for vendor in gentoo pc unknown; do
+		local vendor_triple="${triple%%-*}-${vendor}-${triple#*-*-}"
+		for tool in clang{,++,-cpp}; do
+			if [[ ! -f "${ED}/etc/clang/${vendor_triple}-${tool}.cfg" ]]; then
+				dosym "${triple}-${tool}.cfg" "/etc/clang/${vendor_triple}-${tool}.cfg"
+			fi
+		done
+	done
+}
+
+src_install() {
+	newbashcomp bash-autocomplete.sh clang
+
+	insinto /etc/clang
+	newins - gentoo-runtimes.cfg <<-EOF
+		# This file is initially generated by sys-devel/clang-runtime.
+		# It is used to control the default runtimes using by clang.
+
+		--rtlib=$(usex default-compiler-rt compiler-rt libgcc)
+		--unwindlib=$(usex default-compiler-rt libunwind libgcc)
+		--stdlib=$(usex default-libcxx libc++ libstdc++)
+		-fuse-ld=$(usex default-lld lld bfd)
+	EOF
+
+	newins - gentoo-gcc-install.cfg <<-EOF
+		# This file is maintained by gcc-config.
+		# It is used to specify the selected GCC installation.
+	EOF
+
+	newins - gentoo-common.cfg <<-EOF
+		# This file contains flags common to clang, clang++ and clang-cpp.
+		@gentoo-runtimes.cfg
+		@gentoo-gcc-install.cfg
+		@gentoo-hardened.cfg
+		# bug #870001
+		-include "${EPREFIX}/usr/include/gentoo/maybe-stddefs.h"
+	EOF
+
+	# clang-cpp does not like link args being passed to it when directly
+	# invoked, so use a separate configuration file.
+	newins - gentoo-common-ld.cfg <<-EOF
+		# This file contains flags common to clang and clang++
+		@gentoo-hardened-ld.cfg
+	EOF
+
+	# Baseline hardening (bug #851111)
+	newins - gentoo-hardened.cfg <<-EOF
+		# Some of these options are added unconditionally, regardless of
+		# USE=hardened, for parity with sys-devel/gcc.
+		-fstack-clash-protection
+		-fstack-protector-strong
+		-fPIE
+		-include "${EPREFIX}/usr/include/gentoo/fortify.h"
+	EOF
+
+	newins - gentoo-hardened-ld.cfg <<-EOF
+		# Some of these options are added unconditionally, regardless of
+		# USE=hardened, for parity with sys-devel/gcc.
+		-Wl,-z,relro
+	EOF
+
+	dodir /usr/include/gentoo
+
+	cat >> "${ED}/usr/include/gentoo/maybe-stddefs.h" <<-EOF || die
+	/* __has_include is an extension, but it's fine, because this is only
+	for Clang anyway. */
+	#if defined __has_include && __has_include (<stdc-predef.h>) && !defined(__GLIBC__)
+	# include <stdc-predef.h>
+	#endif
+	EOF
+
+	local fortify_level=$(usex hardened 3 2)
+	# We have to do this because glibc's headers warn if F_S is set
+	# without optimization and that would at the very least be very noisy
+	# during builds and at worst trigger many -Werror builds.
+	cat >> "${ED}/usr/include/gentoo/fortify.h" <<- EOF || die
+	#ifdef __clang__
+	# pragma clang system_header
+	#endif
+	#ifndef _FORTIFY_SOURCE
+	# if defined(__has_feature)
+	#  define __GENTOO_HAS_FEATURE(x) __has_feature(x)
+	# else
+	#  define __GENTOO_HAS_FEATURE(x) 0
+	# endif
+	#
+	# if defined(__STDC_HOSTED__) && __STDC_HOSTED__ == 1
+	#  define __GENTOO_NOT_FREESTANDING 1
+	# else
+	#  define __GENTOO_NOT_FREESTANDING 0
+	# endif
+	#
+	# if defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 && __GENTOO_NOT_FREESTANDING > 0
+	#  if !defined(__SANITIZE_ADDRESS__) && !__GENTOO_HAS_FEATURE(address_sanitizer) && !__GENTOO_HAS_FEATURE(memory_sanitizer)
+	#   define _FORTIFY_SOURCE ${fortify_level}
+	#  endif
+	# endif
+	# undef __GENTOO_HAS_FEATURE
+	# undef __GENTOO_NOT_FREESTANDING
+	#endif
+	EOF
+
+	if use hardened ; then
+		cat >> "${ED}/etc/clang/gentoo-hardened.cfg" <<-EOF || die
+			# Options below are conditional on USE=hardened.
+			-D_GLIBCXX_ASSERTIONS
+
+			# Analogue to GLIBCXX_ASSERTIONS
+			# https://libcxx.llvm.org/UsingLibcxx.html#assertions-mode
+			# https://libcxx.llvm.org/Hardening.html#using-hardened-mode
+			-D_LIBCPP_ENABLE_HARDENED_MODE=1
+		EOF
+
+		cat >> "${ED}/etc/clang/gentoo-hardened-ld.cfg" <<-EOF || die
+			# Options below are conditional on USE=hardened.
+			-Wl,-z,now
+		EOF
+	fi
+
+	if use stricter; then
+		newins - gentoo-stricter.cfg <<-EOF
+			# This file increases the strictness of older clang versions
+			# to match the newest upstream version.
+
+			# clang-16 defaults
+			-Werror=implicit-function-declaration
+			-Werror=implicit-int
+			-Werror=incompatible-function-pointer-types
+
+			# constructs banned by C2x
+			-Werror=deprecated-non-prototype
+
+			# deprecated but large blast radius
+			#-Werror=strict-prototypes
+		EOF
+
+		cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
+			@gentoo-stricter.cfg
+		EOF
+	fi
+
+	# We only install config files for supported ABIs because unprefixed tools
+	# might be used for crosscompilation where e.g. PIE may not be supported.
+	# See bug #912237 and bug #901247.
+	doclang_cfg "${CHOST}"
+
+	# Just ${CHOST} won't do due to bug #912685.
+	local abi
+	for abi in $(get_all_abis); do
+		local abi_chost=$(get_abi_CHOST "${abi}")
+		doclang_cfg "${abi_chost}"
+	done
+}
+
+pkg_preinst() {
+	if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc
+	then
+		local gcc_path=$(gcc-config --get-lib-path 2>/dev/null)
+		if [[ -n ${gcc_path} ]]; then
+			cat >> "${ED}/etc/clang/gentoo-gcc-install.cfg" <<-EOF
+				--gcc-install-dir="${gcc_path%%:*}"
+			EOF
+		fi
+	fi
+}
diff --git a/sys-devel/clang-runtime/Manifest b/sys-devel/clang-runtime/Manifest
index b45cb1e355ed..617868026d3b 100644
--- a/sys-devel/clang-runtime/Manifest
+++ b/sys-devel/clang-runtime/Manifest
@@ -6,4 +6,5 @@ EBUILD clang-runtime-17.0.1.9999.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64
 EBUILD clang-runtime-17.0.1.ebuild 1442 BLAKE2B ccd97064b84899371758ceab7640d2b9a3104e08dccbefc5523062437cec1358ab68773b96bbc8193d8cd52a2bac65e6687cb150127d953aa49ab7f8cb3dbcea SHA512 9b8639788a2bfab9fea6e717e684c4784ae6719ce8d6bb389d16d836df0b43d108be6c649b9aa17dfa60df7b3f490450d4d51e83dd80707467a844871b97535e
 EBUILD clang-runtime-18.0.0.9999.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
 EBUILD clang-runtime-18.0.0_pre20230906.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
+EBUILD clang-runtime-18.0.0_pre20230925.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
 MISC metadata.xml 661 BLAKE2B 24688c511713ea102b83c71d226d519981b3aee0e05ef7a56d6a80be829efd843194e45cb4fd801f0bb976b6f1976386d6a2b05d2bc907fe2aa42b22b85b7d1f SHA512 2b5ab8783c90795f2e7d1673d876048ed9745f4911fb7a860df56deac13a6dfeba4581a84562eae54eff757c45042ca3fab75c7800313ae61df9ce69780a9294
diff --git a/sys-devel/clang-runtime/clang-runtime-18.0.0_pre20230925.ebuild b/sys-devel/clang-runtime/clang-runtime-18.0.0_pre20230925.ebuild
new file mode 100644
index 000000000000..c69faa0fbdd7
--- /dev/null
+++ b/sys-devel/clang-runtime/clang-runtime-18.0.0_pre20230925.ebuild
@@ -0,0 +1,40 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit multilib-build toolchain-funcs
+
+DESCRIPTION="Meta-ebuild for clang runtime libraries"
+HOMEPAGE="https://clang.llvm.org/"
+
+LICENSE="metapackage"
+SLOT="${PV%%.*}"
+KEYWORDS=""
+IUSE="+compiler-rt libcxx openmp +sanitize"
+REQUIRED_USE="sanitize? ( compiler-rt )"
+
+RDEPEND="
+	compiler-rt? (
+		~sys-libs/compiler-rt-${PV}:${SLOT}[abi_x86_32(+)?,abi_x86_64(+)?]
+		sanitize? (
+			~sys-libs/compiler-rt-sanitizers-${PV}:${SLOT}[abi_x86_32(+)?,abi_x86_64(+)?]
+		)
+	)
+	libcxx? ( >=sys-libs/libcxx-${PV}[${MULTILIB_USEDEP}] )
+	openmp? ( >=sys-libs/libomp-${PV}[${MULTILIB_USEDEP}] )
+"
+
+pkg_pretend() {
+	if tc-is-clang; then
+		ewarn "You seem to be using clang as a system compiler.  As of clang-16,"
+		ewarn "upstream has turned a few warnings that commonly occur during"
+		ewarn "configure script runs into errors by default.  This causes some"
+		ewarn "configure tests to start failing, sometimes resulting in silent"
+		ewarn "breakage, missing functionality or runtime misbehavior.  It is"
+		ewarn "not yet clear whether the change will remain or be reverted."
+		ewarn
+		ewarn "For more information, please see:"
+		ewarn "https://discourse.llvm.org/t/configure-script-breakage-with-the-new-werror-implicit-function-declaration/65213"
+	fi
+}
diff --git a/sys-devel/clang/Manifest b/sys-devel/clang/Manifest
index 677935b99f60..9e3663a7b342 100644
--- a/sys-devel/clang/Manifest
+++ b/sys-devel/clang/Manifest
@@ -19,6 +19,7 @@ DIST llvm-project-17.0.0rc4.src.tar.xz.sig 438 BLAKE2B 2cda35b4a3ebddfdbe6828459
 DIST llvm-project-17.0.1.src.tar.xz 127830376 BLAKE2B bb3b9f7358df9006307f5eeccfc5c5ee5497498c4f091347924911cb6534e8d930024c35387456af24bf647d9e24a3d927aa49199036fb475018a610b5d792c7 SHA512 6fc1d5ff4fec49ef5bb495ba9d8f9ee9052c10999ec9d3ac8f825c718e3cdd64abd95408c4e5bb7f67eb9a7bfac9e26d2a949c4da9f163b5646c02e8a670ead5
 DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b782d7c9c2a07911d9ede2e3421031bb1b4959bd495c5e39d094aeaf555579b9fe3eb834c1449077c154c629f5db605375e7c SHA512 301a6e6c46d6fee13c86dec1a021c35f6bf3a97e5d6b0aa7b7eac34e7ca52f6cefffc25a9e376250b1eb721a65a5852f2f1948abd432698363a81dd7ee19d81c
 DIST llvm-project-7e5809e7e7bc9a828427b6540a51d45884d8bbbb.tar.gz 197275742 BLAKE2B 17df09155cf3451deffcdd71a4b0602211a4638ad961eb351802028f4fd1b8db870bef817430adb709ea7c1e85f545d7507c06d7fca26869f8a10e6ac6b03967 SHA512 e84aa041aadf3e50376cffd1e92c1447acdca0a2cf8e7df9cca9d0337dfeccb1d022da3a229bb0cfdc9c5fb87215682a1e4f474208b09b8800f30aa0c6e36c4b
+DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD clang-14.0.6-r1.ebuild 12014 BLAKE2B 0f9eed7779a5b9aa8f92002f6f4d8e22e7baf3d3f6d1930e4716abf3aa00d866f68a682dc2a404655f53800e26c8b388da552184da6943287b2d91c5c1c2672b SHA512 c5e46f1044604f4e41cdb6c42d2079096c0bcdd396d99f8e95a6b5b66918e3519e4226741202f716fa5f53295188ec2bfcec66ae32480a8e10b4ab18bdb880ab
 EBUILD clang-14.0.6-r4.ebuild 11941 BLAKE2B 7465741c3d32f432aabc000ef1d1e78c4538bdcb11983bc5e665b95b349345cf96ceab8d797763532ccb10e8d9311f3699043e5d5aeca08974caca1bd378a275 SHA512 16011488cb74e0fd477cd6950a4742abb44444537de5c07ccb0dea1d19ae8d482b3f75b5e38777f382284994e8f615c8d71bbb6d768585390bdb4bbd365984cd
 EBUILD clang-15.0.7-r1.ebuild 12617 BLAKE2B 780db8dc3c92efab35280d32f6b7d4ffcea912d7839b995a18aa603d0cf59df1199eabd53eb5a475e67da7a45e10fdd08e9879b871a25672f135dbdb001a5f46 SHA512 f6302415c9a4fb8571613ff5ebea4096f1318333ba4bc0f3c0b63b04eb0d10755c4555f55186875db0d34bb5d2c0b245b758aff387b97033bc643a1a291d1195
@@ -29,4 +30,5 @@ EBUILD clang-17.0.1.9999.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b
 EBUILD clang-17.0.1.ebuild 12145 BLAKE2B 6470f6623bba6514bc91dd71435414f8e337ac83242c3542fee07848a8e4f95c8c5b16922d2a617855068d970687f84c043da7e7c92164da17833717bf08f3fe SHA512 5853c832b8588ab2a0013dfb4060896eaad5a6d21d7516124d18f6b47ce635a998d3306f0b3ff5f6dcec2aaf27699a142dff6ecb6dfe04790ea10a054b84ac36
 EBUILD clang-18.0.0.9999.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 EBUILD clang-18.0.0_pre20230906.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
+EBUILD clang-18.0.0_pre20230925.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 MISC metadata.xml 1600 BLAKE2B 8e49e099132445cf695e904acad8a699f3d8c4c1e4cd6ba9d0b97180dfa5b67e9c30b00d1e4cb6cd2f61b27f022accc8d6ee889c6569fc58fbc058186ad216fc SHA512 96b7cf4988ff1fd923ec87311caed458b64888b5acaaf20cc1ad893f2a963158f7f59398f9fd4f9e65cab3df265c0d002048ff874f7a76b94f36377bf9e8f5f6
diff --git a/sys-devel/clang/clang-18.0.0_pre20230925.ebuild b/sys-devel/clang/clang-18.0.0_pre20230925.ebuild
new file mode 100644
index 000000000000..aae7c602232c
--- /dev/null
+++ b/sys-devel/clang/clang-18.0.0_pre20230925.ebuild
@@ -0,0 +1,474 @@
+# 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 llvm llvm.org multilib multilib-minimal
+inherit prefix python-single-r1 toolchain-funcs
+
+DESCRIPTION="C language family frontend for LLVM"
+HOMEPAGE="https://llvm.org/"
+
+# MSVCSetupApi.h: MIT
+# sorttable.js: MIT
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="+debug doc +extra ieee-long-double +pie +static-analyzer test xml"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~sys-devel/llvm-${PV}:${LLVM_MAJOR}=[debug=,${MULTILIB_USEDEP}]
+	static-analyzer? ( dev-lang/perl:* )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+"
+
+RDEPEND="
+	${PYTHON_DEPS}
+	${DEPEND}
+	>=sys-devel/clang-common-${PV}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	>=dev-util/cmake-3.16
+	doc? ( $(python_gen_cond_dep '
+		dev-python/recommonmark[${PYTHON_USEDEP}]
+		dev-python/sphinx[${PYTHON_USEDEP}]
+	') )
+	xml? ( virtual/pkgconfig )
+"
+PDEPEND="
+	~sys-devel/clang-runtime-${PV}
+	sys-devel/clang-toolchain-symlinks:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=(
+	clang clang-tools-extra cmake
+	llvm/lib/Transforms/Hello
+)
+LLVM_MANPAGES=1
+LLVM_TEST_COMPONENTS=(
+	llvm/utils
+)
+LLVM_USE_TARGETS=llvm
+llvm.org_set_globals
+
+# Multilib notes:
+# 1. ABI_* flags control ABIs libclang* is built for only.
+# 2. clang is always capable of compiling code for all ABIs for enabled
+#    target. However, you will need appropriate crt* files (installed
+#    e.g. by sys-devel/gcc and sys-libs/glibc).
+# 3. ${CHOST}-clang wrappers are always installed for all ABIs included
+#    in the current profile (i.e. alike supported by sys-devel/gcc).
+#
+# Therefore: use sys-devel/clang[${MULTILIB_USEDEP}] only if you need
+# multilib clang* libraries (not runtime, not wrappers).
+
+pkg_setup() {
+	LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# create extra parent dir for relative CLANG_RESOURCE_DIR access
+	mkdir -p x/y || die
+	BUILD_DIR=${WORKDIR}/x/y/clang
+
+	llvm.org_src_prepare
+
+	# add Gentoo Portage Prefix for Darwin (see prefix-dirs.patch)
+	eprefixify \
+		lib/Lex/InitHeaderSearch.cpp \
+		lib/Driver/ToolChains/Darwin.cpp || die
+
+	if ! use prefix-guest && [[ -n ${EPREFIX} ]]; then
+		sed -i "/LibDir.*Loader/s@return \"\/\"@return \"${EPREFIX}/\"@" lib/Driver/ToolChains/Linux.cpp || die
+	fi
+}
+
+check_distribution_components() {
+	if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then
+		local all_targets=() my_targets=() l
+		cd "${BUILD_DIR}" || die
+
+		while read -r l; do
+			if [[ ${l} == install-*-stripped:* ]]; then
+				l=${l#install-}
+				l=${l%%-stripped*}
+
+				case ${l} in
+					# meta-targets
+					clang-libraries|distribution)
+						continue
+						;;
+					# tools
+					clang|clangd|clang-*)
+						;;
+					# static libraries
+					clang*|findAllSymbols)
+						continue
+						;;
+					# conditional to USE=doc
+					docs-clang-html|docs-clang-tools-html)
+						use doc || continue
+						;;
+				esac
+
+				all_targets+=( "${l}" )
+			fi
+		done < <(${NINJA} -t targets all)
+
+		while read -r l; do
+			my_targets+=( "${l}" )
+		done < <(get_distribution_components $"\n")
+
+		local add=() remove=()
+		for l in "${all_targets[@]}"; do
+			if ! has "${l}" "${my_targets[@]}"; then
+				add+=( "${l}" )
+			fi
+		done
+		for l in "${my_targets[@]}"; do
+			if ! has "${l}" "${all_targets[@]}"; then
+				remove+=( "${l}" )
+			fi
+		done
+
+		if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then
+			eqawarn "get_distribution_components() is outdated!"
+			eqawarn "   Add: ${add[*]}"
+			eqawarn "Remove: ${remove[*]}"
+		fi
+		cd - >/dev/null || die
+	fi
+}
+
+get_distribution_components() {
+	local sep=${1-;}
+
+	local out=(
+		# common stuff
+		clang-cmake-exports
+		clang-headers
+		clang-resource-headers
+		libclang-headers
+
+		aarch64-resource-headers
+		arm-common-resource-headers
+		arm-resource-headers
+		core-resource-headers
+		cuda-resource-headers
+		hexagon-resource-headers
+		hip-resource-headers
+		hlsl-resource-headers
+		mips-resource-headers
+		opencl-resource-headers
+		openmp-resource-headers
+		ppc-htm-resource-headers
+		ppc-resource-headers
+		riscv-resource-headers
+		systemz-resource-headers
+		utility-resource-headers
+		ve-resource-headers
+		webassembly-resource-headers
+		windows-resource-headers
+		x86-resource-headers
+
+		# libs
+		clang-cpp
+		libclang
+	)
+
+	if multilib_is_native_abi; then
+		out+=(
+			# common stuff
+			bash-autocomplete
+			libclang-python-bindings
+
+			# tools
+			amdgpu-arch
+			c-index-test
+			clang
+			clang-format
+			clang-linker-wrapper
+			clang-offload-bundler
+			clang-offload-packager
+			clang-refactor
+			clang-repl
+			clang-rename
+			clang-scan-deps
+			diagtool
+			hmaptool
+			nvptx-arch
+
+			# needed for cross-compiling Clang
+			clang-tblgen
+		)
+
+		if use extra; then
+			out+=(
+				# extra tools
+				clang-apply-replacements
+				clang-change-namespace
+				clang-doc
+				clang-include-cleaner
+				clang-include-fixer
+				clang-move
+				clang-pseudo
+				clang-query
+				clang-reorder-fields
+				clang-tidy
+				clang-tidy-headers
+				clangd
+				find-all-symbols
+				modularize
+				pp-trace
+			)
+		fi
+
+		if llvm_are_manpages_built; then
+			out+=( docs-clang-man )
+			use extra && out+=( docs-clang-tools-man )
+		fi
+
+		if use doc; then
+			out+=( docs-clang-html )
+			use extra && out+=( docs-clang-tools-html )
+		fi
+
+		use static-analyzer && out+=(
+			clang-check
+			clang-extdef-mapping
+			scan-build
+			scan-build-py
+			scan-view
+		)
+	fi
+
+	printf "%s${sep}" "${out[@]}"
+}
+
+multilib_src_configure() {
+	local mycmakeargs=(
+		-DDEFAULT_SYSROOT=$(usex prefix-guest "" "${EPREFIX}")
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+		-DCLANG_CONFIG_FILE_SYSTEM_DIR="${EPREFIX}/etc/clang"
+		# relative to bindir
+		-DCLANG_RESOURCE_DIR="../../../../lib/clang/${LLVM_MAJOR}"
+
+		-DBUILD_SHARED_LIBS=OFF
+		-DCLANG_LINK_CLANG_DYLIB=ON
+		-DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
+		-DCLANG_INCLUDE_TESTS=$(usex test)
+
+		-DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+
+		# these are not propagated reliably, so redefine them
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+
+		# libgomp support fails to find headers without explicit -I
+		# furthermore, it provides only syntax checking
+		-DCLANG_DEFAULT_OPENMP_RUNTIME=libomp
+
+		# disable using CUDA to autodetect GPU, just build for all
+		-DCMAKE_DISABLE_FIND_PACKAGE_CUDAToolkit=ON
+		# disable linking to HSA to avoid automagic dep,
+		# load it dynamically instead
+		-DCMAKE_DISABLE_FIND_PACKAGE_hsa-runtime64=ON
+
+		-DCLANG_DEFAULT_PIE_ON_LINUX=$(usex pie)
+
+		-DCLANG_ENABLE_LIBXML2=$(usex xml)
+		-DCLANG_ENABLE_ARCMT=$(usex static-analyzer)
+		-DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer)
+		# TODO: CLANG_ENABLE_HLSL?
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	if ! use elibc_musl; then
+		mycmakeargs+=(
+			-DPPC_LINUX_DEFAULT_IEEELONGDOUBLE=$(usex ieee-long-double)
+		)
+	fi
+
+	use test && mycmakeargs+=(
+		-DLLVM_BUILD_TESTS=ON
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+	)
+
+	if multilib_is_native_abi; then
+		local build_docs=OFF
+		if llvm_are_manpages_built; then
+			build_docs=ON
+			mycmakeargs+=(
+				-DLLVM_BUILD_DOCS=ON
+				-DLLVM_ENABLE_SPHINX=ON
+				-DCLANG_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+				-DSPHINX_WARNINGS_AS_ERRORS=OFF
+			)
+			if use extra; then
+				mycmakeargs+=(
+					-DCLANG-TOOLS_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/tools-extra"
+				)
+			fi
+		fi
+		mycmakeargs+=(
+			-DCLANG_INCLUDE_DOCS=${build_docs}
+		)
+	fi
+	if multilib_native_use extra; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR="${WORKDIR}"/clang-tools-extra
+			-DCLANG_TOOLS_EXTRA_INCLUDE_DOCS=${build_docs}
+		)
+	else
+		mycmakeargs+=(
+			-DLLVM_TOOL_CLANG_TOOLS_EXTRA_BUILD=OFF
+		)
+	fi
+
+	if [[ -n ${EPREFIX} ]]; then
+		mycmakeargs+=(
+			-DGCC_INSTALL_PREFIX="${EPREFIX}/usr"
+		)
+	fi
+
+	if tc-is-cross-compiler; then
+		has_version -b sys-devel/clang:${LLVM_MAJOR} ||
+			die "sys-devel/clang:${LLVM_MAJOR} is required on the build host."
+		local tools_bin=${BROOT}/usr/lib/llvm/${LLVM_MAJOR}/bin
+		mycmakeargs+=(
+			-DLLVM_TOOLS_BINARY_DIR="${tools_bin}"
+			-DCLANG_TABLEGEN="${tools_bin}"/clang-tblgen
+		)
+	fi
+
+	# LLVM can have very high memory consumption while linking,
+	# exhausting the limit on 32-bit linker executable
+	use x86 && local -x LDFLAGS="${LDFLAGS} -Wl,--no-keep-memory"
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+	cmake_src_configure
+
+	multilib_is_native_abi && check_distribution_components
+}
+
+multilib_src_compile() {
+	cmake_build distribution
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	local test_targets=( check-clang )
+	if multilib_native_use extra; then
+		test_targets+=(
+			check-clang-tools
+			check-clangd
+		)
+	fi
+	cmake_build "${test_targets[@]}"
+}
+
+src_install() {
+	MULTILIB_WRAPPED_HEADERS=(
+		/usr/include/clang/Config/config.h
+	)
+
+	multilib-minimal_src_install
+
+	# Move runtime headers to /usr/lib/clang, where they belong
+	mv "${ED}"/usr/include/clangrt "${ED}"/usr/lib/clang || die
+	# move (remaining) wrapped headers back
+	if use extra; then
+		mv "${T}"/clang-tidy "${ED}"/usr/include/ || die
+	fi
+	mv "${ED}"/usr/include "${ED}"/usr/lib/llvm/${LLVM_MAJOR}/include || die
+
+	# Apply CHOST and version suffix to clang tools
+	local clang_tools=( clang clang++ clang-cl clang-cpp )
+	local abi i
+
+	# cmake gives us:
+	# - clang-X
+	# - clang -> clang-X
+	# - clang++, clang-cl, clang-cpp -> clang
+	# we want to have:
+	# - clang-X
+	# - clang++-X, clang-cl-X, clang-cpp-X -> clang-X
+	# - clang, clang++, clang-cl, clang-cpp -> clang*-X
+	# also in CHOST variant
+	for i in "${clang_tools[@]:1}"; do
+		rm "${ED}/usr/lib/llvm/${LLVM_MAJOR}/bin/${i}" || die
+		dosym "clang-${LLVM_MAJOR}" "/usr/lib/llvm/${LLVM_MAJOR}/bin/${i}-${LLVM_MAJOR}"
+		dosym "${i}-${LLVM_MAJOR}" "/usr/lib/llvm/${LLVM_MAJOR}/bin/${i}"
+	done
+
+	# now create target symlinks for all supported ABIs
+	for abi in $(get_all_abis); do
+		local abi_chost=$(get_abi_CHOST "${abi}")
+		for i in "${clang_tools[@]}"; do
+			dosym "${i}-${LLVM_MAJOR}" \
+				"/usr/lib/llvm/${LLVM_MAJOR}/bin/${abi_chost}-${i}-${LLVM_MAJOR}"
+			dosym "${abi_chost}-${i}-${LLVM_MAJOR}" \
+				"/usr/lib/llvm/${LLVM_MAJOR}/bin/${abi_chost}-${i}"
+		done
+	done
+}
+
+multilib_src_install() {
+	DESTDIR=${D} cmake_build install-distribution
+
+	# move headers to /usr/include for wrapping & ABI mismatch checks
+	# (also drop the version suffix from runtime headers)
+	rm -rf "${ED}"/usr/include || die
+	mv "${ED}"/usr/lib/llvm/${LLVM_MAJOR}/include "${ED}"/usr/include || die
+	mv "${ED}"/usr/lib/clang "${ED}"/usr/include/clangrt || die
+	if multilib_native_use extra; then
+		# don't wrap clang-tidy headers, the list is too long
+		# (they're fine for non-native ABI but enabling the targets is problematic)
+		mv "${ED}"/usr/include/clang-tidy "${T}/" || die
+	fi
+}
+
+multilib_src_install_all() {
+	python_fix_shebang "${ED}"
+	if use static-analyzer; then
+		python_optimize "${ED}"/usr/lib/llvm/${LLVM_MAJOR}/share/scan-view
+	fi
+
+	docompress "/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+	llvm_install_manpages
+	# match 'html' non-compression
+	use doc && docompress -x "/usr/share/doc/${PF}/tools-extra"
+	# +x for some reason; TODO: investigate
+	use static-analyzer && fperms a-x "/usr/lib/llvm/${LLVM_MAJOR}/share/man/man1/scan-build.1"
+}
+
+pkg_postinst() {
+	if [[ -z ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then
+		eselect compiler-shadow update all
+	fi
+
+	elog "You can find additional utility scripts in:"
+	elog "  ${EROOT}/usr/lib/llvm/${LLVM_MAJOR}/share/clang"
+	if use extra; then
+		elog "Some of them are vim integration scripts (with instructions inside)."
+		elog "The run-clang-tidy.py script requires the following additional package:"
+		elog "  dev-python/pyyaml"
+	fi
+}
+
+pkg_postrm() {
+	if [[ -z ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then
+		eselect compiler-shadow clean all
+	fi
+}
diff --git a/sys-devel/lld/Manifest b/sys-devel/lld/Manifest
index 61ab6043c45d..32af646c20d4 100644
--- a/sys-devel/lld/Manifest
+++ b/sys-devel/lld/Manifest
@@ -10,6 +10,7 @@ DIST llvm-project-17.0.0rc4.src.tar.xz.sig 438 BLAKE2B 2cda35b4a3ebddfdbe6828459
 DIST llvm-project-17.0.1.src.tar.xz 127830376 BLAKE2B bb3b9f7358df9006307f5eeccfc5c5ee5497498c4f091347924911cb6534e8d930024c35387456af24bf647d9e24a3d927aa49199036fb475018a610b5d792c7 SHA512 6fc1d5ff4fec49ef5bb495ba9d8f9ee9052c10999ec9d3ac8f825c718e3cdd64abd95408c4e5bb7f67eb9a7bfac9e26d2a949c4da9f163b5646c02e8a670ead5
 DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b782d7c9c2a07911d9ede2e3421031bb1b4959bd495c5e39d094aeaf555579b9fe3eb834c1449077c154c629f5db605375e7c SHA512 301a6e6c46d6fee13c86dec1a021c35f6bf3a97e5d6b0aa7b7eac34e7ca52f6cefffc25a9e376250b1eb721a65a5852f2f1948abd432698363a81dd7ee19d81c
 DIST llvm-project-7e5809e7e7bc9a828427b6540a51d45884d8bbbb.tar.gz 197275742 BLAKE2B 17df09155cf3451deffcdd71a4b0602211a4638ad961eb351802028f4fd1b8db870bef817430adb709ea7c1e85f545d7507c06d7fca26869f8a10e6ac6b03967 SHA512 e84aa041aadf3e50376cffd1e92c1447acdca0a2cf8e7df9cca9d0337dfeccb1d022da3a229bb0cfdc9c5fb87215682a1e4f474208b09b8800f30aa0c6e36c4b
+DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD lld-14.0.6-r1.ebuild 2009 BLAKE2B 4db1dfc9b1997d31cc68240ae0b05afeae5a6b1cb24a0eb2012bc28b2ac8c0da4b532d270d070db5fd401717320a74b006628c19a12c787e2f9ba2dc24eb25b1 SHA512 73b2f0e7b27497ce9037cd10503b328378ff9a2e32cd36e6e264f5423cd05732da4ea2ef97b637fc344a4f3d5d3597c60dda29dba7eb509391c176d32d53a427
 EBUILD lld-15.0.7.ebuild 2262 BLAKE2B 8882ba45692d54840d8a5933910ade614427733f3da2e344cf4df2806c125a783ff3c6ad4a2f76fd577cb4787fe07495c93e981c03f116fa7f383575d59936f7 SHA512 9b08495f068a01e991d200363549d29e9146e8687b297fa06beda90da1da9a793b1ebf512c3dad9bb985518a8fd9d1d13049a90dd8f06d4bc3de97779ff8e6ed
 EBUILD lld-16.0.6.ebuild 2257 BLAKE2B 2e373b90d8ae4ed4131b05eaea51c909705e1132acdab1e21ad2152e66fb18b3caaaa83e9bb64b47f34fdd1ddacc7df622c6e5397c38765d9a2535db59071eba SHA512 a3d75597522d6790257b04fedf41512ab5193f78303efce2d74f03d91910ecb56d60142baa42f27e42759f7e5756c2bfaf394b79c563eb2757b6b23705b9d791
@@ -18,4 +19,5 @@ EBUILD lld-17.0.1.9999.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481c
 EBUILD lld-17.0.1.ebuild 2206 BLAKE2B 6eb2452e36c55a5b5224981b85a4788a05a14821279399c466673b530ebd34b52dab499dd631be8813d9f6f67538a248335709b6ac3ca1a49acc970db253b39c SHA512 340f6b4fee7d077fb47618fe0047a47453cb521752a35d1ea801fc0f3bb88bdc79c0b6fe02393874ba3ae3b69a9c8a468ad2b2713f3f4648d47f598403b67349
 EBUILD lld-18.0.0.9999.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
 EBUILD lld-18.0.0_pre20230906.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
+EBUILD lld-18.0.0_pre20230925.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
 MISC metadata.xml 299 BLAKE2B 2feead2cd1b35b3a43335ddd7711f8181b52bc63ee7166608914260c67528add5251349063afbef4f8cf0ec09b2cd4c3ffdd90f2c14ed60bb69ebc03888f6333 SHA512 cd745c54ab18d25bdaff18582105072574103a36cfe7c175ef740f266d00e9fc6f44c332904d23b911c939cf5bdf52973b388923099d8dd5dfef3c283b5cb685
diff --git a/sys-devel/lld/lld-18.0.0_pre20230925.ebuild b/sys-devel/lld/lld-18.0.0_pre20230925.ebuild
new file mode 100644
index 000000000000..085543e50762
--- /dev/null
+++ b/sys-devel/lld/lld-18.0.0_pre20230925.ebuild
@@ -0,0 +1,89 @@
+# 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 flag-o-matic llvm llvm.org python-any-r1 toolchain-funcs
+
+DESCRIPTION="The LLVM linker (link editor)"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="+debug test zstd"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~sys-devel/llvm-${PV}[debug=,zstd=]
+	sys-libs/zlib:=
+	zstd? ( app-arch/zstd:= )
+"
+RDEPEND="
+	${DEPEND}
+	!sys-devel/lld:0
+"
+BDEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+	test? (
+		>=dev-util/cmake-3.16
+		$(python_gen_any_dep ">=dev-python/lit-${PV}[\${PYTHON_USEDEP}]")
+	)
+"
+PDEPEND="
+	>=sys-devel/lld-toolchain-symlinks-16-r2:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=( lld cmake libunwind/include/mach-o )
+llvm.org_set_globals
+
+python_check_deps() {
+	python_has_version ">=dev-python/lit-${PV}[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	use test && python-any-r1_pkg_setup
+}
+
+src_unpack() {
+	llvm.org_src_unpack
+
+	# Directory ${WORKDIR}/llvm does not exist with USE="-test",
+	# but LLVM_MAIN_SRC_DIR="${WORKDIR}/llvm" is set below,
+	# and ${LLVM_MAIN_SRC_DIR}/../libunwind/include is used by build system
+	# (lld/MachO/CMakeLists.txt) and is expected to be resolvable
+	# to existent directory ${WORKDIR}/libunwind/include.
+	mkdir -p "${WORKDIR}/llvm" || die
+}
+
+src_configure() {
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	use elibc_musl && append-ldflags -Wl,-z,stack-size=2097152
+
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DBUILD_SHARED_LIBS=ON
+		-DLLVM_INCLUDE_TESTS=$(usex test)
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	tc-is-cross-compiler &&	mycmakeargs+=(
+		-DLLVM_TABLEGEN_EXE="${BROOT}/usr/lib/llvm/${LLVM_MAJOR}/bin/llvm-tblgen"
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-lld
+}
diff --git a/sys-devel/llvm-common/Manifest b/sys-devel/llvm-common/Manifest
index 3f5cd713b13c..a7a3c3606f9d 100644
--- a/sys-devel/llvm-common/Manifest
+++ b/sys-devel/llvm-common/Manifest
@@ -9,6 +9,7 @@ DIST llvm-project-17.0.0rc4.src.tar.xz.sig 438 BLAKE2B 2cda35b4a3ebddfdbe6828459
 DIST llvm-project-17.0.1.src.tar.xz 127830376 BLAKE2B bb3b9f7358df9006307f5eeccfc5c5ee5497498c4f091347924911cb6534e8d930024c35387456af24bf647d9e24a3d927aa49199036fb475018a610b5d792c7 SHA512 6fc1d5ff4fec49ef5bb495ba9d8f9ee9052c10999ec9d3ac8f825c718e3cdd64abd95408c4e5bb7f67eb9a7bfac9e26d2a949c4da9f163b5646c02e8a670ead5
 DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b782d7c9c2a07911d9ede2e3421031bb1b4959bd495c5e39d094aeaf555579b9fe3eb834c1449077c154c629f5db605375e7c SHA512 301a6e6c46d6fee13c86dec1a021c35f6bf3a97e5d6b0aa7b7eac34e7ca52f6cefffc25a9e376250b1eb721a65a5852f2f1948abd432698363a81dd7ee19d81c
 DIST llvm-project-7e5809e7e7bc9a828427b6540a51d45884d8bbbb.tar.gz 197275742 BLAKE2B 17df09155cf3451deffcdd71a4b0602211a4638ad961eb351802028f4fd1b8db870bef817430adb709ea7c1e85f545d7507c06d7fca26869f8a10e6ac6b03967 SHA512 e84aa041aadf3e50376cffd1e92c1447acdca0a2cf8e7df9cca9d0337dfeccb1d022da3a229bb0cfdc9c5fb87215682a1e4f474208b09b8800f30aa0c6e36c4b
+DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD llvm-common-14.0.6.ebuild 602 BLAKE2B ef26d6ac2606e9a316ddcce442da1762f578ade0346ba2a947fdace5e2020e8841c63d173e42506d23abf6efc062a2edfac0be98a3eefe1f7a29c88702e9f1d5 SHA512 789dad6fdcf9a930ddc1046e7e98ebc1e05b2dd3713bb1ec5b8a5711690d779691c91d1000d9776720b21ed241d2f12c0ae9a8dba0e6a17d0ddf563cdfbe657f
 EBUILD llvm-common-15.0.7.ebuild 601 BLAKE2B 3dd38d17640ed52ff0be26db026475a9d0e7e1acebe95043bc6e0e63e32ff4f03c5637a9dcce25987f673962447feb4aa015f8b5b5cb33553dc1a4f843b75399 SHA512 e8a93a72d06810cface48cce2d8f8a890cdf009939a96350a23fe407b064c05a3016c663d11a3866dc2dd0fd87599b5ac234895c8c42c902e9b0cdb37dba7b62
 EBUILD llvm-common-16.0.6.ebuild 608 BLAKE2B 0fbd471136d4fac398c87b43a4dbbc939c93a54336670e4a58022a32f64c92a78c273746edb9815f733d1fb58823864be7e621a6f1adf441a6fba3c06a0e652b SHA512 fe4b57e1e9335ae3957aed622cc1114677c4b7d33637db85fadc1fa3a09cb02767dddce5b2f84f45034cdd119068d69d35530db996ec1ac08966d86d494cd2e2
@@ -17,4 +18,5 @@ EBUILD llvm-common-17.0.1.9999.ebuild 524 BLAKE2B 381b028d6ad33fa97d2ff250266bd8
 EBUILD llvm-common-17.0.1.ebuild 615 BLAKE2B dddab327388341f3330d7374a76bc1ea144aa5cad62feea34140b5825daf13118ff7185a6c2cce07479c3ca13c3ba8ad7cac7ba71a8b49fdd25a979d899a5b0a SHA512 57e7d90e7fc4f5dd2daddd1c7e8ed7885112120aca2b13b21e2fc719cfe5a87bb640aa67c605827bcd60aa71300abeba937e158ae1a1a16559236ef9e6d18319
 EBUILD llvm-common-18.0.0.9999.ebuild 524 BLAKE2B 381b028d6ad33fa97d2ff250266bd896153222cb62647bc6c4a9f7493fc96c23faf788ce8a976d35333e8d40e63cad4c3f44322f6a41f1dbe53f9e772c3a40d9 SHA512 9661a9c544d8bf3edf6c24a307324a58652c8635703dcfa008cad96826e3404cbb05e5c95fe7df85ed6d2642e4f83cfff0c9a381b796cc78f560854aa071acbe
 EBUILD llvm-common-18.0.0_pre20230906.ebuild 524 BLAKE2B 381b028d6ad33fa97d2ff250266bd896153222cb62647bc6c4a9f7493fc96c23faf788ce8a976d35333e8d40e63cad4c3f44322f6a41f1dbe53f9e772c3a40d9 SHA512 9661a9c544d8bf3edf6c24a307324a58652c8635703dcfa008cad96826e3404cbb05e5c95fe7df85ed6d2642e4f83cfff0c9a381b796cc78f560854aa071acbe
+EBUILD llvm-common-18.0.0_pre20230925.ebuild 524 BLAKE2B 381b028d6ad33fa97d2ff250266bd896153222cb62647bc6c4a9f7493fc96c23faf788ce8a976d35333e8d40e63cad4c3f44322f6a41f1dbe53f9e772c3a40d9 SHA512 9661a9c544d8bf3edf6c24a307324a58652c8635703dcfa008cad96826e3404cbb05e5c95fe7df85ed6d2642e4f83cfff0c9a381b796cc78f560854aa071acbe
 MISC metadata.xml 299 BLAKE2B 2feead2cd1b35b3a43335ddd7711f8181b52bc63ee7166608914260c67528add5251349063afbef4f8cf0ec09b2cd4c3ffdd90f2c14ed60bb69ebc03888f6333 SHA512 cd745c54ab18d25bdaff18582105072574103a36cfe7c175ef740f266d00e9fc6f44c332904d23b911c939cf5bdf52973b388923099d8dd5dfef3c283b5cb685
diff --git a/sys-devel/llvm-common/llvm-common-18.0.0_pre20230925.ebuild b/sys-devel/llvm-common/llvm-common-18.0.0_pre20230925.ebuild
new file mode 100644
index 000000000000..ce5f03ca34a5
--- /dev/null
+++ b/sys-devel/llvm-common/llvm-common-18.0.0_pre20230925.ebuild
@@ -0,0 +1,28 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit llvm.org
+
+DESCRIPTION="Common files shared between multiple slots of LLVM"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="0"
+KEYWORDS=""
+
+RDEPEND="
+	!sys-devel/llvm:0
+"
+
+LLVM_COMPONENTS=( llvm/utils/vim )
+llvm.org_set_globals
+
+src_install() {
+	insinto /usr/share/vim/vimfiles
+	doins -r */
+	# some users may find it useful
+	newdoc README README.vim
+	dodoc vimrc
+}
diff --git a/sys-devel/llvm/Manifest b/sys-devel/llvm/Manifest
index 0c94cac31533..7cf5e1c8c50c 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -16,6 +16,7 @@ DIST llvm-project-17.0.0rc4.src.tar.xz.sig 438 BLAKE2B 2cda35b4a3ebddfdbe6828459
 DIST llvm-project-17.0.1.src.tar.xz 127830376 BLAKE2B bb3b9f7358df9006307f5eeccfc5c5ee5497498c4f091347924911cb6534e8d930024c35387456af24bf647d9e24a3d927aa49199036fb475018a610b5d792c7 SHA512 6fc1d5ff4fec49ef5bb495ba9d8f9ee9052c10999ec9d3ac8f825c718e3cdd64abd95408c4e5bb7f67eb9a7bfac9e26d2a949c4da9f163b5646c02e8a670ead5
 DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b782d7c9c2a07911d9ede2e3421031bb1b4959bd495c5e39d094aeaf555579b9fe3eb834c1449077c154c629f5db605375e7c SHA512 301a6e6c46d6fee13c86dec1a021c35f6bf3a97e5d6b0aa7b7eac34e7ca52f6cefffc25a9e376250b1eb721a65a5852f2f1948abd432698363a81dd7ee19d81c
 DIST llvm-project-7e5809e7e7bc9a828427b6540a51d45884d8bbbb.tar.gz 197275742 BLAKE2B 17df09155cf3451deffcdd71a4b0602211a4638ad961eb351802028f4fd1b8db870bef817430adb709ea7c1e85f545d7507c06d7fca26869f8a10e6ac6b03967 SHA512 e84aa041aadf3e50376cffd1e92c1447acdca0a2cf8e7df9cca9d0337dfeccb1d022da3a229bb0cfdc9c5fb87215682a1e4f474208b09b8800f30aa0c6e36c4b
+DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD llvm-14.0.6-r4.ebuild 12313 BLAKE2B fc192cd5a0ce4392b3aae13e068522dcac0925cd67afae7c230b150e8ddab3a302dd3dbf5b9eb9ea0092ca8d5464e43f4a37d6e615998fc8259a2fbd669deb44 SHA512 839388316772e70d13ac1b6f72d93171dc698659a79766057a7dc16b191f5f417c919398c9ff09430fb128654452a01fa1dcfce27c60ac29aa11edb5eed3be0b
 EBUILD llvm-15.0.7-r3.ebuild 12486 BLAKE2B 1c62b4a9f7493b3cf9bd2ca388d9c09da2077a5be4b19dba2628352e0524e37df1e3481cc3e0658d3ce8eeb81fe7b4e379be7d5ba9e20a60376616e5a38f6264 SHA512 d6eea0d3330e29a4a27bb758cb5abec08b35f5b0d6a9bacfeddcaf031b0c125ba9454d4eb77a65fe6dd5b379654dd895d603e0a01008b57476502be82ffb392c
 EBUILD llvm-16.0.6.ebuild 12510 BLAKE2B 5b5c8f9fd24e31c4e84ae4b805823cc88d3d8d7998d7de2b4920a3db619b400882e25313cd87a2e6c34f31bf6e210ea20c65a915adfdda94c368515ca36a2259 SHA512 4ada6a4b029c43c988efaeccd88a3772c52f2a476973777b97a4238591199a4bf0696e6a7b7d484e3af1c6eb772c2594bb3637962b1baa23d1b91522f4627c5e
@@ -24,4 +25,5 @@ EBUILD llvm-17.0.1.9999.ebuild 12688 BLAKE2B f0bd9fbe40fd4a4f4f4195b8466cf7a1400
 EBUILD llvm-17.0.1.ebuild 12778 BLAKE2B df27a3429a0f09e380a24154c55283a45402a292d82be1a0507269e2c5114735fff1f21881a78f7732bc2924ddc5ed233eb5128557f3f85b6991a12290d2589f SHA512 5d766a4cfcad1640eab6eac1c8f6df2198c8ea4ed3ef86b1bb142acca4fc61bc42c9dde76f6b573cf83bbc9cc72aadf0c04cd331045acfbdfd0d616ce77efd9f
 EBUILD llvm-18.0.0.9999.ebuild 12662 BLAKE2B 197f93ba73d9a6083c9bd9014199183dace77ef12727484de5c685df5530e4c24ad894fe3e79f4061684a5b0adbcdb49019b367161666c2567064ac1d8a09481 SHA512 d7a356937690a0cfd1c8a8a59f1c513b591febf7afd77a798211ae7f83d3afbaa31f6939e152529ce3f0848fbd141e08ea741b77016ae5d405f7ce7b00520937
 EBUILD llvm-18.0.0_pre20230906.ebuild 12662 BLAKE2B 197f93ba73d9a6083c9bd9014199183dace77ef12727484de5c685df5530e4c24ad894fe3e79f4061684a5b0adbcdb49019b367161666c2567064ac1d8a09481 SHA512 d7a356937690a0cfd1c8a8a59f1c513b591febf7afd77a798211ae7f83d3afbaa31f6939e152529ce3f0848fbd141e08ea741b77016ae5d405f7ce7b00520937
+EBUILD llvm-18.0.0_pre20230925.ebuild 12662 BLAKE2B 197f93ba73d9a6083c9bd9014199183dace77ef12727484de5c685df5530e4c24ad894fe3e79f4061684a5b0adbcdb49019b367161666c2567064ac1d8a09481 SHA512 d7a356937690a0cfd1c8a8a59f1c513b591febf7afd77a798211ae7f83d3afbaa31f6939e152529ce3f0848fbd141e08ea741b77016ae5d405f7ce7b00520937
 MISC metadata.xml 2782 BLAKE2B 4bd546287f630462c3f5d98cbd15a59a4cdef4023f86a5f4fe64fc5f10256cae7014d18823bd0909f4af4e42f299b6e7983c9c3c569cfab1ad38b0160f1eae40 SHA512 6bf1dc4f71f50e1eecc55cbb8366d8ed82a3dd328871acf1d808fc5e3ee4d203d623f81d9968bda45a87c72a2f20ed69b735b0a289b0052b048175cf6502e124
diff --git a/sys-devel/llvm/llvm-18.0.0_pre20230925.ebuild b/sys-devel/llvm/llvm-18.0.0_pre20230925.ebuild
new file mode 100644
index 000000000000..8f7c0ff09445
--- /dev/null
+++ b/sys-devel/llvm/llvm-18.0.0_pre20230925.ebuild
@@ -0,0 +1,532 @@
+# 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 llvm.org multilib-minimal pax-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="https://llvm.org/"
+
+# Additional licenses:
+# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
+# 2. xxhash: BSD.
+# 3. MD5 code: public-domain.
+# 4. ConvertUTF.h: TODO.
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA BSD public-domain rc"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="
+	+binutils-plugin +debug debuginfod doc exegesis libedit +libffi
+	ncurses test xar xml z3 zstd
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	sys-libs/zlib:0=[${MULTILIB_USEDEP}]
+	debuginfod? (
+		net-misc/curl:=
+		dev-cpp/cpp-httplib:=
+	)
+	exegesis? ( dev-libs/libpfm:= )
+	libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
+	libffi? ( >=dev-libs/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
+	ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
+	xar? ( app-arch/xar )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+	z3? ( >=sci-mathematics/z3-4.7.1:0=[${MULTILIB_USEDEP}] )
+	zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
+"
+DEPEND="
+	${RDEPEND}
+	binutils-plugin? ( sys-libs/binutils-libs )
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-lang/perl
+	>=dev-util/cmake-3.16
+	sys-devel/gnuconfig
+	kernel_Darwin? (
+		<sys-libs/libcxx-${LLVM_VERSION}.9999
+		>=sys-devel/binutils-apple-5.1
+	)
+	doc? ( $(python_gen_any_dep '
+		dev-python/recommonmark[${PYTHON_USEDEP}]
+		dev-python/sphinx[${PYTHON_USEDEP}]
+	') )
+	libffi? ( virtual/pkgconfig )
+"
+# There are no file collisions between these versions but having :0
+# installed means llvm-config there will take precedence.
+RDEPEND="
+	${RDEPEND}
+	!sys-devel/llvm:0
+"
+PDEPEND="
+	sys-devel/llvm-common
+	sys-devel/llvm-toolchain-symlinks:${LLVM_MAJOR}
+	binutils-plugin? ( >=sys-devel/llvmgold-${LLVM_MAJOR} )
+"
+
+LLVM_COMPONENTS=( llvm cmake third-party )
+LLVM_MANPAGES=1
+LLVM_USE_TARGETS=provide
+llvm.org_set_globals
+
+python_check_deps() {
+	use doc || return 0
+
+	python_has_version -b "dev-python/recommonmark[${PYTHON_USEDEP}]" &&
+	python_has_version -b "dev-python/sphinx[${PYTHON_USEDEP}]"
+}
+
+check_uptodate() {
+	local prod_targets=(
+		$(sed -n -e '/set(LLVM_ALL_TARGETS/,/)/p' CMakeLists.txt \
+			| tail -n +2 | head -n -1)
+	)
+	local all_targets=(
+		lib/Target/*/
+	)
+	all_targets=( "${all_targets[@]#lib/Target/}" )
+	all_targets=( "${all_targets[@]%/}" )
+
+	local exp_targets=() i
+	for i in "${all_targets[@]}"; do
+		has "${i}" "${prod_targets[@]}" || exp_targets+=( "${i}" )
+	done
+
+	if [[ ${exp_targets[*]} != ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]} ]]; then
+		eqawarn "ALL_LLVM_EXPERIMENTAL_TARGETS is outdated!"
+		eqawarn "    Have: ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]}"
+		eqawarn "Expected: ${exp_targets[*]}"
+		eqawarn
+	fi
+
+	if [[ ${prod_targets[*]} != ${ALL_LLVM_PRODUCTION_TARGETS[*]} ]]; then
+		eqawarn "ALL_LLVM_PRODUCTION_TARGETS is outdated!"
+		eqawarn "    Have: ${ALL_LLVM_PRODUCTION_TARGETS[*]}"
+		eqawarn "Expected: ${prod_targets[*]}"
+	fi
+}
+
+check_distribution_components() {
+	if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then
+		local all_targets=() my_targets=() l
+		cd "${BUILD_DIR}" || die
+
+		while read -r l; do
+			if [[ ${l} == install-*-stripped:* ]]; then
+				l=${l#install-}
+				l=${l%%-stripped*}
+
+				case ${l} in
+					# shared libs
+					LLVM|LLVMgold)
+						;;
+					# TableGen lib + deps
+					LLVMDemangle|LLVMSupport|LLVMTableGen)
+						;;
+					# testing libraries
+					LLVMTestingAnnotations|LLVMTestingSupport)
+						;;
+					# static libs
+					LLVM*)
+						continue
+						;;
+					# meta-targets
+					distribution|llvm-libraries)
+						continue
+						;;
+					# used only w/ USE=doc
+					docs-llvm-html)
+						use doc || continue
+						;;
+				esac
+
+				all_targets+=( "${l}" )
+			fi
+		done < <(${NINJA} -t targets all)
+
+		while read -r l; do
+			my_targets+=( "${l}" )
+		done < <(get_distribution_components $"\n")
+
+		local add=() remove=()
+		for l in "${all_targets[@]}"; do
+			if ! has "${l}" "${my_targets[@]}"; then
+				add+=( "${l}" )
+			fi
+		done
+		for l in "${my_targets[@]}"; do
+			if ! has "${l}" "${all_targets[@]}"; then
+				remove+=( "${l}" )
+			fi
+		done
+
+		if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then
+			eqawarn "get_distribution_components() is outdated!"
+			eqawarn "   Add: ${add[*]}"
+			eqawarn "Remove: ${remove[*]}"
+		fi
+		cd - >/dev/null || die
+	fi
+}
+
+src_prepare() {
+	# disable use of SDK on OSX, bug #568758
+	sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
+
+	# Update config.guess to support more systems
+	cp "${BROOT}/usr/share/gnuconfig/config.guess" cmake/ || die
+
+	# Verify that the ebuild is up-to-date
+	check_uptodate
+
+	llvm.org_src_prepare
+}
+
+get_distribution_components() {
+	local sep=${1-;}
+
+	local out=(
+		# shared libs
+		LLVM
+		LTO
+		Remarks
+
+		# tools
+		llvm-config
+
+		# common stuff
+		cmake-exports
+		llvm-headers
+
+		# libraries needed for clang-tblgen
+		LLVMDemangle
+		LLVMSupport
+		LLVMTableGen
+
+		# testing libraries
+		llvm_gtest
+		llvm_gtest_main
+		LLVMTestingAnnotations
+		LLVMTestingSupport
+	)
+
+	if multilib_is_native_abi; then
+		out+=(
+			# utilities
+			llvm-tblgen
+			FileCheck
+			llvm-PerfectShuffle
+			count
+			not
+			yaml-bench
+			UnicodeNameMappingGenerator
+
+			# tools
+			bugpoint
+			dsymutil
+			llc
+			lli
+			lli-child-target
+			llvm-addr2line
+			llvm-ar
+			llvm-as
+			llvm-bcanalyzer
+			llvm-bitcode-strip
+			llvm-c-test
+			llvm-cat
+			llvm-cfi-verify
+			llvm-config
+			llvm-cov
+			llvm-cvtres
+			llvm-cxxdump
+			llvm-cxxfilt
+			llvm-cxxmap
+			llvm-debuginfo-analyzer
+			llvm-debuginfod-find
+			llvm-diff
+			llvm-dis
+			llvm-dlltool
+			llvm-dwarfdump
+			llvm-dwarfutil
+			llvm-dwp
+			llvm-exegesis
+			llvm-extract
+			llvm-gsymutil
+			llvm-ifs
+			llvm-install-name-tool
+			llvm-jitlink
+			llvm-jitlink-executor
+			llvm-lib
+			llvm-libtool-darwin
+			llvm-link
+			llvm-lipo
+			llvm-lto
+			llvm-lto2
+			llvm-mc
+			llvm-mca
+			llvm-ml
+			llvm-modextract
+			llvm-mt
+			llvm-nm
+			llvm-objcopy
+			llvm-objdump
+			llvm-opt-report
+			llvm-otool
+			llvm-pdbutil
+			llvm-profdata
+			llvm-profgen
+			llvm-ranlib
+			llvm-rc
+			llvm-readelf
+			llvm-readobj
+			llvm-readtapi
+			llvm-reduce
+			llvm-remarkutil
+			llvm-rtdyld
+			llvm-sim
+			llvm-size
+			llvm-split
+			llvm-stress
+			llvm-strings
+			llvm-strip
+			llvm-symbolizer
+			llvm-tli-checker
+			llvm-undname
+			llvm-windres
+			llvm-xray
+			obj2yaml
+			opt
+			sancov
+			sanstats
+			split-file
+			verify-uselistorder
+			yaml2obj
+
+			# python modules
+			opt-viewer
+		)
+
+		if llvm_are_manpages_built; then
+			out+=(
+				# manpages
+				docs-dsymutil-man
+				docs-llvm-dwarfdump-man
+				docs-llvm-man
+			)
+		fi
+		use doc && out+=(
+			docs-llvm-html
+		)
+
+		use binutils-plugin && out+=(
+			LLVMgold
+		)
+		use debuginfod && out+=(
+			llvm-debuginfod
+		)
+	fi
+
+	printf "%s${sep}" "${out[@]}"
+}
+
+multilib_src_configure() {
+	local ffi_cflags ffi_ldflags
+	if use libffi; then
+		ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
+		ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		# disable appending VCS revision to the version to improve
+		# direct cache hit ratio
+		-DLLVM_APPEND_VC_REV=OFF
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+		-DBUILD_SHARED_LIBS=OFF
+		-DLLVM_BUILD_LLVM_DYLIB=ON
+		-DLLVM_LINK_LLVM_DYLIB=ON
+		-DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
+
+		# cheap hack: LLVM combines both anyway, and the only difference
+		# is that the former list is explicitly verified at cmake time
+		-DLLVM_TARGETS_TO_BUILD=""
+		-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+		-DLLVM_INCLUDE_BENCHMARKS=OFF
+		-DLLVM_INCLUDE_TESTS=ON
+		-DLLVM_BUILD_TESTS=$(usex test)
+		-DLLVM_INSTALL_GTEST=ON
+
+		-DLLVM_ENABLE_FFI=$(usex libffi)
+		-DLLVM_ENABLE_LIBEDIT=$(usex libedit)
+		-DLLVM_ENABLE_TERMINFO=$(usex ncurses)
+		-DLLVM_ENABLE_LIBXML2=$(usex xml)
+		-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
+		-DLLVM_ENABLE_LIBPFM=$(usex exegesis)
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+		-DLLVM_ENABLE_Z3_SOLVER=$(usex z3)
+		-DLLVM_ENABLE_ZSTD=$(usex zstd)
+		-DLLVM_ENABLE_CURL=$(usex debuginfod)
+		-DLLVM_ENABLE_HTTPLIB=$(usex debuginfod)
+
+		-DLLVM_HOST_TRIPLE="${CHOST}"
+
+		-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+		-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+		# used only for llvm-objdump tool
+		-DLLVM_HAVE_LIBXAR=$(multilib_native_usex xar 1 0)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+
+		# disable OCaml bindings (now in dev-ml/llvm-ocaml)
+		-DOCAMLFIND=NO
+	)
+
+	local suffix=
+	if [[ -n ${EGIT_VERSION} && ${EGIT_BRANCH} != release/* ]]; then
+		# the ABI of the main branch is not stable, so let's include
+		# the commit id in the SOVERSION to contain the breakage
+		suffix+="git${EGIT_VERSION::8}"
+	fi
+	if [[ $(tc-get-cxx-stdlib) == libc++ ]]; then
+		# Smart hack: alter version suffix -> SOVERSION when linking
+		# against libc++. This way we won't end up mixing LLVM libc++
+		# libraries with libstdc++ clang, and the other way around.
+		suffix+="+libcxx"
+		mycmakeargs+=(
+			-DLLVM_ENABLE_LIBCXX=ON
+		)
+	fi
+	mycmakeargs+=(
+		-DLLVM_VERSION_SUFFIX="${suffix}"
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+	)
+
+	if multilib_is_native_abi; then
+		local build_docs=OFF
+		if llvm_are_manpages_built; then
+			build_docs=ON
+			mycmakeargs+=(
+				-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+				-DLLVM_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+				-DSPHINX_WARNINGS_AS_ERRORS=OFF
+			)
+		fi
+
+		mycmakeargs+=(
+			-DLLVM_BUILD_DOCS=${build_docs}
+			-DLLVM_ENABLE_OCAMLDOC=OFF
+			-DLLVM_ENABLE_SPHINX=${build_docs}
+			-DLLVM_ENABLE_DOXYGEN=OFF
+			-DLLVM_INSTALL_UTILS=ON
+		)
+		use binutils-plugin && mycmakeargs+=(
+			-DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
+		)
+	fi
+
+	# workaround BMI bug in gcc-7 (fixed in 7.4)
+	# https://bugs.gentoo.org/649880
+	# apply only to x86, https://bugs.gentoo.org/650506
+	if tc-is-gcc && [[ ${MULTILIB_ABI_FLAG} == abi_x86* ]] &&
+			[[ $(gcc-major-version) -eq 7 && $(gcc-minor-version) -lt 4 ]]
+	then
+		local CFLAGS="${CFLAGS} -mno-bmi"
+		local CXXFLAGS="${CXXFLAGS} -mno-bmi"
+	fi
+
+	# LLVM can have very high memory consumption while linking,
+	# exhausting the limit on 32-bit linker executable
+	use x86 && local -x LDFLAGS="${LDFLAGS} -Wl,--no-keep-memory"
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+	cmake_src_configure
+
+	grep -q -E "^CMAKE_PROJECT_VERSION_MAJOR(:.*)?=${LLVM_MAJOR}$" \
+			CMakeCache.txt ||
+		die "Incorrect version, did you update _LLVM_MAIN_MAJOR?"
+	multilib_is_native_abi && check_distribution_components
+}
+
+multilib_src_compile() {
+	tc-env_build cmake_build distribution
+
+	pax-mark m "${BUILD_DIR}"/bin/llvm-rtdyld
+	pax-mark m "${BUILD_DIR}"/bin/lli
+	pax-mark m "${BUILD_DIR}"/bin/lli-child-target
+
+	if use test; then
+		pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/Orc/OrcJITTests
+		pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/MCJIT/MCJITTests
+		pax-mark m "${BUILD_DIR}"/unittests/Support/SupportTests
+	fi
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check
+}
+
+src_install() {
+	local MULTILIB_CHOST_TOOLS=(
+		/usr/lib/llvm/${LLVM_MAJOR}/bin/llvm-config
+	)
+
+	local MULTILIB_WRAPPED_HEADERS=(
+		/usr/include/llvm/Config/llvm-config.h
+	)
+
+	local LLVM_LDPATHS=()
+	multilib-minimal_src_install
+
+	# move wrapped headers back
+	mv "${ED}"/usr/include "${ED}"/usr/lib/llvm/${LLVM_MAJOR}/include || die
+}
+
+multilib_src_install() {
+	DESTDIR=${D} cmake_build install-distribution
+
+	# move headers to /usr/include for wrapping
+	rm -rf "${ED}"/usr/include || die
+	mv "${ED}"/usr/lib/llvm/${LLVM_MAJOR}/include "${ED}"/usr/include || die
+
+	LLVM_LDPATHS+=( "${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)" )
+}
+
+multilib_src_install_all() {
+	local revord=$(( 9999 - ${LLVM_MAJOR} ))
+	newenvd - "60llvm-${revord}" <<-_EOF_
+		PATH="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin"
+		# we need to duplicate it in ROOTPATH for Portage to respect...
+		ROOTPATH="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin"
+		MANPATH="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+		LDPATH="$( IFS=:; echo "${LLVM_LDPATHS[*]}" )"
+	_EOF_
+
+	docompress "/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+	llvm_install_manpages
+}
+
+pkg_postinst() {
+	elog "You can find additional opt-viewer utility scripts in:"
+	elog "  ${EROOT}/usr/lib/llvm/${LLVM_MAJOR}/share/opt-viewer"
+	elog "To use these scripts, you will need Python along with the following"
+	elog "packages:"
+	elog "  dev-python/pygments (for opt-viewer)"
+	elog "  dev-python/pyyaml (for all of them)"
+}