gentoo auto-resync : 14:11:2023 - 22:34:48

13 files changed, 1443 insertions, 0 deletions

diff --git a/sys-devel/Manifest.gz b/sys-devel/Manifest.gz
index 947d45b1eb0e..cd2a33dee210 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 8d62c90498cf..9e40baab3f09 100644
--- a/sys-devel/clang-common/Manifest
+++ b/sys-devel/clang-common/Manifest
@@ -7,12 +7,15 @@ DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43
 DIST llvm-project-167b598648dfcee2f23426bfa972e53f8ac16722.tar.gz 201158314 BLAKE2B 908d42b0148f04eeab8d05d46736c570ffdea7d66273aa428375f944deaaf1c0ca885ef0fbe04588d838e4f831ff9823365f9df700f9e9de08c700f0135f2e59 SHA512 7da16df850245ba70e4ddf318a0e7322ed68b076337325c3d3702bb428358d11137b6254051cc6a34d047789f107fd96065cd169c9b2684f78b3a54c4f566a78
 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-17.0.5.src.tar.xz 127842560 BLAKE2B 2d657ff14ad2dc932a5cdc6605ad30cba8e22ed8f4adb5ed53bfd9b5b654496023df9eb895f9691e98bba6b6a341b81d8a17361daf81ce4c3cd6a2b3602cd90e SHA512 793b63aa875b6d02e3a2803815cc9361b76c9ab1506967e18630fc3d6811bf51c73f53c51d148a5fc72e87e35dc2b88cb18b48419939c436451fe65c5a326022
+DIST llvm-project-17.0.5.src.tar.xz.sig 438 BLAKE2B d65bfe2816c49a4b3dda2c70fe5ca6a6b7e922338219e7a62b2f33082d88b700781e184f2b3b0758c1d46825cf369ddd6f8824f3be8d8f3a70a88cfbc06bba45 SHA512 509a61434471463459d3ec837e3f3cce662650d4e72ffc7d28fbeb0d5cfe92d5b1dc4fa568e40f48757b1e708de793bc157de7225ac15a00221191e6c1e660d9
 DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 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
 EBUILD clang-common-16.0.6-r2.ebuild 4972 BLAKE2B 7ce71ef4c5ca19ef5847c90a23662b30e028d97fba045ec64976a3093c94e65bc8b5b04535d2ecf9ec51526fedc6b2b264135162acedcfb6df88cf426ce36357 SHA512 490b4afdc3ebbac15152d8da7cb86b3f2030e7ea1c70b09542f8bfd839d0194b97ee979fffcfb19fba8cca97ecfe565a5e77968b9afd618851772d7ccf444624
 EBUILD clang-common-17.0.4.ebuild 6852 BLAKE2B 8b41372a6e3ac538829ce3672f00cd28b813ebd79d610796beb10829c1353fd76562f0241ed3308a9986ac1560a5a3ed04549f857d2892070686d1b7d0ebda08 SHA512 f2ecd649e818eb1580c22e1b622f69b57cd11124da06934424c871126792318c114c67775671991e7d2f3e885394c2c7aa6f11480e58c12c67f0664f60cb11d5
+EBUILD clang-common-17.0.5.ebuild 6852 BLAKE2B 8b41372a6e3ac538829ce3672f00cd28b813ebd79d610796beb10829c1353fd76562f0241ed3308a9986ac1560a5a3ed04549f857d2892070686d1b7d0ebda08 SHA512 f2ecd649e818eb1580c22e1b622f69b57cd11124da06934424c871126792318c114c67775671991e7d2f3e885394c2c7aa6f11480e58c12c67f0664f60cb11d5
 EBUILD clang-common-18.0.0.9999.ebuild 6752 BLAKE2B 2284a2924d3a95030282729976e2b501b4965534a3401dbce2dae1ea95a10a82a927dad62426be98805d9c1b6aff67af6eac079d0e402c509e66766ca339a84f SHA512 d4ade666fc2dac27ed30099565b3defcd69457d29e9156d9e4034b6fa51ce9a6229e767cb319b18f5ec3c18df4905efa75f98c56f242341094aeffbe53547b9c
 EBUILD clang-common-18.0.0_pre20231104.ebuild 6752 BLAKE2B 2284a2924d3a95030282729976e2b501b4965534a3401dbce2dae1ea95a10a82a927dad62426be98805d9c1b6aff67af6eac079d0e402c509e66766ca339a84f SHA512 d4ade666fc2dac27ed30099565b3defcd69457d29e9156d9e4034b6fa51ce9a6229e767cb319b18f5ec3c18df4905efa75f98c56f242341094aeffbe53547b9c
 EBUILD clang-common-18.0.0_pre20231111.ebuild 6752 BLAKE2B 2284a2924d3a95030282729976e2b501b4965534a3401dbce2dae1ea95a10a82a927dad62426be98805d9c1b6aff67af6eac079d0e402c509e66766ca339a84f SHA512 d4ade666fc2dac27ed30099565b3defcd69457d29e9156d9e4034b6fa51ce9a6229e767cb319b18f5ec3c18df4905efa75f98c56f242341094aeffbe53547b9c
diff --git a/sys-devel/clang-common/clang-common-17.0.5.ebuild b/sys-devel/clang-common/clang-common-17.0.5.ebuild
new file mode 100644
index 000000000000..696ae8ee4996
--- /dev/null
+++ b/sys-devel/clang-common/clang-common-17.0.5.ebuild
@@ -0,0 +1,228 @@
+# 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="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+IUSE="
+	default-compiler-rt default-libcxx default-lld llvm-libunwind
+	hardened
+"
+
+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_ASSERTIONS=1
+		EOF
+
+		cat >> "${ED}/etc/clang/gentoo-hardened-ld.cfg" <<-EOF || die
+			# Options below are conditional on USE=hardened.
+			-Wl,-z,now
+		EOF
+	fi
+
+	# We only install config files for supported ABIs because unprefixed tools
+	# might be used for crosscompilation where e.g. PIE may not be supported.
+	# See bug #912237 and bug #901247.
+	doclang_cfg "${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 2d286898dfa6..b2f37ff2aef6 100644
--- a/sys-devel/clang-runtime/Manifest
+++ b/sys-devel/clang-runtime/Manifest
@@ -2,6 +2,7 @@ EBUILD clang-runtime-14.0.6.ebuild 760 BLAKE2B 0f6cfb8536569ffe2a09305e710563096
 EBUILD clang-runtime-15.0.7.ebuild 759 BLAKE2B d7b481faffc4da0a6dc1b4e708322cd17cd497dc75363bdb89e7fbb1ecb2aecd9cbf91bdf816505476c7aca2ec7b6fb9ef178705e6b77361d21a7a270404a70a SHA512 8128acfc92b1601e93ffca1fd4233456f8a28fbc4cc65a1782da25df48abd3af82d0128b31f12b966ca02ab1eafcd28016c4443d9c7f1d28bc3f951cfff5e07f
 EBUILD clang-runtime-16.0.6.ebuild 1435 BLAKE2B dfbb6047c0541de72f3447fa61f00d96c2b7c4b96454fa82796f59bd2884ecdbb01539bf08741d3b5ed866b18f4003bca6878cac549b6ef46aa5c6a15bc56c85 SHA512 d63983cb60299866a743ff6b71279b433a10f011fc51e53f3d3d6d6b99dffc080ef0110e21b4dd6b8a54bceb47035d28bf670e6e81fd0939630b593912d77eb5
 EBUILD clang-runtime-17.0.4.ebuild 1442 BLAKE2B ccd97064b84899371758ceab7640d2b9a3104e08dccbefc5523062437cec1358ab68773b96bbc8193d8cd52a2bac65e6687cb150127d953aa49ab7f8cb3dbcea SHA512 9b8639788a2bfab9fea6e717e684c4784ae6719ce8d6bb389d16d836df0b43d108be6c649b9aa17dfa60df7b3f490450d4d51e83dd80707467a844871b97535e
+EBUILD clang-runtime-17.0.5.ebuild 1442 BLAKE2B ccd97064b84899371758ceab7640d2b9a3104e08dccbefc5523062437cec1358ab68773b96bbc8193d8cd52a2bac65e6687cb150127d953aa49ab7f8cb3dbcea SHA512 9b8639788a2bfab9fea6e717e684c4784ae6719ce8d6bb389d16d836df0b43d108be6c649b9aa17dfa60df7b3f490450d4d51e83dd80707467a844871b97535e
 EBUILD clang-runtime-18.0.0.9999.ebuild 1339 BLAKE2B 60f0ce6dc250d959f058872d748bbffcbf3f036b3546a8c83c8178d809c9699095f84731fd1195b690b2d9b000c0f2a06d95153d1688809c325abe2f80dad88a SHA512 22d8cdc017390809ad96b917a85639a5c0f687db6737217447f49630004b5dffa8468db92a42f5f3e84788365380dd9b707fc03dcb5b4b102ec7f13b764d5d2c
 EBUILD clang-runtime-18.0.0_pre20231104.ebuild 1339 BLAKE2B 60f0ce6dc250d959f058872d748bbffcbf3f036b3546a8c83c8178d809c9699095f84731fd1195b690b2d9b000c0f2a06d95153d1688809c325abe2f80dad88a SHA512 22d8cdc017390809ad96b917a85639a5c0f687db6737217447f49630004b5dffa8468db92a42f5f3e84788365380dd9b707fc03dcb5b4b102ec7f13b764d5d2c
 EBUILD clang-runtime-18.0.0_pre20231111.ebuild 1339 BLAKE2B 60f0ce6dc250d959f058872d748bbffcbf3f036b3546a8c83c8178d809c9699095f84731fd1195b690b2d9b000c0f2a06d95153d1688809c325abe2f80dad88a SHA512 22d8cdc017390809ad96b917a85639a5c0f687db6737217447f49630004b5dffa8468db92a42f5f3e84788365380dd9b707fc03dcb5b4b102ec7f13b764d5d2c
diff --git a/sys-devel/clang-runtime/clang-runtime-17.0.5.ebuild b/sys-devel/clang-runtime/clang-runtime-17.0.5.ebuild
new file mode 100644
index 000000000000..6483c7c0c78e
--- /dev/null
+++ b/sys-devel/clang-runtime/clang-runtime-17.0.5.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="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+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 718eb631afab..4a2e7e94a881 100644
--- a/sys-devel/clang/Manifest
+++ b/sys-devel/clang/Manifest
@@ -16,6 +16,8 @@ DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43
 DIST llvm-project-167b598648dfcee2f23426bfa972e53f8ac16722.tar.gz 201158314 BLAKE2B 908d42b0148f04eeab8d05d46736c570ffdea7d66273aa428375f944deaaf1c0ca885ef0fbe04588d838e4f831ff9823365f9df700f9e9de08c700f0135f2e59 SHA512 7da16df850245ba70e4ddf318a0e7322ed68b076337325c3d3702bb428358d11137b6254051cc6a34d047789f107fd96065cd169c9b2684f78b3a54c4f566a78
 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-17.0.5.src.tar.xz 127842560 BLAKE2B 2d657ff14ad2dc932a5cdc6605ad30cba8e22ed8f4adb5ed53bfd9b5b654496023df9eb895f9691e98bba6b6a341b81d8a17361daf81ce4c3cd6a2b3602cd90e SHA512 793b63aa875b6d02e3a2803815cc9361b76c9ab1506967e18630fc3d6811bf51c73f53c51d148a5fc72e87e35dc2b88cb18b48419939c436451fe65c5a326022
+DIST llvm-project-17.0.5.src.tar.xz.sig 438 BLAKE2B d65bfe2816c49a4b3dda2c70fe5ca6a6b7e922338219e7a62b2f33082d88b700781e184f2b3b0758c1d46825cf369ddd6f8824f3be8d8f3a70a88cfbc06bba45 SHA512 509a61434471463459d3ec837e3f3cce662650d4e72ffc7d28fbeb0d5cfe92d5b1dc4fa568e40f48757b1e708de793bc157de7225ac15a00221191e6c1e660d9
 DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 EBUILD clang-14.0.6-r1.ebuild 12014 BLAKE2B 0f9eed7779a5b9aa8f92002f6f4d8e22e7baf3d3f6d1930e4716abf3aa00d866f68a682dc2a404655f53800e26c8b388da552184da6943287b2d91c5c1c2672b SHA512 c5e46f1044604f4e41cdb6c42d2079096c0bcdd396d99f8e95a6b5b66918e3519e4226741202f716fa5f53295188ec2bfcec66ae32480a8e10b4ab18bdb880ab
 EBUILD clang-14.0.6-r4.ebuild 11939 BLAKE2B c51ff82c0ab846a0b7e5f74460e000b0bab1ce165fbdf33a82da812a1b6adcb0e0a1dc5dcb6a4ff648f401a8507e6a2d6060d601a0620ce42a161b40571ed5ee SHA512 3ac82347c5c97c4ef2103611c4870664bb8f0a00f4d41683dfb165aa15d772941d9bace8157171fd2469e116e5b561549d0db63714ba53c1a440cde878c68588
@@ -23,6 +25,7 @@ EBUILD clang-15.0.7-r1.ebuild 12617 BLAKE2B 780db8dc3c92efab35280d32f6b7d4ffcea9
 EBUILD clang-15.0.7-r3.ebuild 12545 BLAKE2B 5fa553863fb4932189fe38a3bf261b7dc8cce8897d186ca914ba56968b466fc4bbf2cdf05f9f0e92eebdf5fe6d956667399d03efde68192c116a277920d52b32 SHA512 429b0374e9cffda1b964159e8efa2476554395c2a11d584b46e23f9a8c5da6c3f107b2dd4b0c0fe49e7a34fcff001d3164f1971744a1049e984b175c0cae557a
 EBUILD clang-16.0.6.ebuild 12462 BLAKE2B 532fbc03f98a4135371238de3f3d933ac321d4ecccb1e1ce2511563a6529a7bd55444dcdfa4b46140b4b592e1174d534be82e9b29fb1161522253e25c86f75fe SHA512 6e2dc62b7281caf5aa2378eb19f8c24023b62814be4f82e678ee8b98f92cc032de64d5feef0f29c7512aadb34a16b8f50e05a8eadc3bf6663f71504045ad3822
 EBUILD clang-17.0.4.ebuild 12145 BLAKE2B 6470f6623bba6514bc91dd71435414f8e337ac83242c3542fee07848a8e4f95c8c5b16922d2a617855068d970687f84c043da7e7c92164da17833717bf08f3fe SHA512 5853c832b8588ab2a0013dfb4060896eaad5a6d21d7516124d18f6b47ce635a998d3306f0b3ff5f6dcec2aaf27699a142dff6ecb6dfe04790ea10a054b84ac36
+EBUILD clang-17.0.5.ebuild 12145 BLAKE2B 6470f6623bba6514bc91dd71435414f8e337ac83242c3542fee07848a8e4f95c8c5b16922d2a617855068d970687f84c043da7e7c92164da17833717bf08f3fe SHA512 5853c832b8588ab2a0013dfb4060896eaad5a6d21d7516124d18f6b47ce635a998d3306f0b3ff5f6dcec2aaf27699a142dff6ecb6dfe04790ea10a054b84ac36
 EBUILD clang-18.0.0.9999.ebuild 12053 BLAKE2B 82acbf1a0b5b6e40a1541cfc5ebdcfe1f2dc38d4927cb0ada69da41c80c2364477366f5cdaf2c37e9117f3000ab566bd3f47c8fee5b37f26abb1b1c3d535c911 SHA512 0aac9f780dea68b0369fa87ed8537d181dc09d2d40b6e7254bfbf8330f775c1d81c78397bf249a975d80bb50ce23346da3e5b6f6152b29cf548f1ceacf5165be
 EBUILD clang-18.0.0_pre20231104.ebuild 12053 BLAKE2B 82acbf1a0b5b6e40a1541cfc5ebdcfe1f2dc38d4927cb0ada69da41c80c2364477366f5cdaf2c37e9117f3000ab566bd3f47c8fee5b37f26abb1b1c3d535c911 SHA512 0aac9f780dea68b0369fa87ed8537d181dc09d2d40b6e7254bfbf8330f775c1d81c78397bf249a975d80bb50ce23346da3e5b6f6152b29cf548f1ceacf5165be
 EBUILD clang-18.0.0_pre20231111.ebuild 12053 BLAKE2B 82acbf1a0b5b6e40a1541cfc5ebdcfe1f2dc38d4927cb0ada69da41c80c2364477366f5cdaf2c37e9117f3000ab566bd3f47c8fee5b37f26abb1b1c3d535c911 SHA512 0aac9f780dea68b0369fa87ed8537d181dc09d2d40b6e7254bfbf8330f775c1d81c78397bf249a975d80bb50ce23346da3e5b6f6152b29cf548f1ceacf5165be
diff --git a/sys-devel/clang/clang-17.0.5.ebuild b/sys-devel/clang/clang-17.0.5.ebuild
new file mode 100644
index 000000000000..336fa7d9fca1
--- /dev/null
+++ b/sys-devel/clang/clang-17.0.5.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="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x64-macos"
+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 0b5207e9a139..1b40ccec0e03 100644
--- a/sys-devel/lld/Manifest
+++ b/sys-devel/lld/Manifest
@@ -8,11 +8,14 @@ DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43
 DIST llvm-project-167b598648dfcee2f23426bfa972e53f8ac16722.tar.gz 201158314 BLAKE2B 908d42b0148f04eeab8d05d46736c570ffdea7d66273aa428375f944deaaf1c0ca885ef0fbe04588d838e4f831ff9823365f9df700f9e9de08c700f0135f2e59 SHA512 7da16df850245ba70e4ddf318a0e7322ed68b076337325c3d3702bb428358d11137b6254051cc6a34d047789f107fd96065cd169c9b2684f78b3a54c4f566a78
 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-17.0.5.src.tar.xz 127842560 BLAKE2B 2d657ff14ad2dc932a5cdc6605ad30cba8e22ed8f4adb5ed53bfd9b5b654496023df9eb895f9691e98bba6b6a341b81d8a17361daf81ce4c3cd6a2b3602cd90e SHA512 793b63aa875b6d02e3a2803815cc9361b76c9ab1506967e18630fc3d6811bf51c73f53c51d148a5fc72e87e35dc2b88cb18b48419939c436451fe65c5a326022
+DIST llvm-project-17.0.5.src.tar.xz.sig 438 BLAKE2B d65bfe2816c49a4b3dda2c70fe5ca6a6b7e922338219e7a62b2f33082d88b700781e184f2b3b0758c1d46825cf369ddd6f8824f3be8d8f3a70a88cfbc06bba45 SHA512 509a61434471463459d3ec837e3f3cce662650d4e72ffc7d28fbeb0d5cfe92d5b1dc4fa568e40f48757b1e708de793bc157de7225ac15a00221191e6c1e660d9
 DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 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
 EBUILD lld-17.0.4.ebuild 2206 BLAKE2B 6eb2452e36c55a5b5224981b85a4788a05a14821279399c466673b530ebd34b52dab499dd631be8813d9f6f67538a248335709b6ac3ca1a49acc970db253b39c SHA512 340f6b4fee7d077fb47618fe0047a47453cb521752a35d1ea801fc0f3bb88bdc79c0b6fe02393874ba3ae3b69a9c8a468ad2b2713f3f4648d47f598403b67349
+EBUILD lld-17.0.5.ebuild 2206 BLAKE2B 6eb2452e36c55a5b5224981b85a4788a05a14821279399c466673b530ebd34b52dab499dd631be8813d9f6f67538a248335709b6ac3ca1a49acc970db253b39c SHA512 340f6b4fee7d077fb47618fe0047a47453cb521752a35d1ea801fc0f3bb88bdc79c0b6fe02393874ba3ae3b69a9c8a468ad2b2713f3f4648d47f598403b67349
 EBUILD lld-18.0.0.9999.ebuild 2146 BLAKE2B df574f3c72fcfaa28051e3ba25a12b614f327bace8ae6828888fa94fdb973a3af3bf537bc5db45107fd52554a45d925292109a7dc9977df1a289dfdeb0ad4ac3 SHA512 8755b02d8f28f24efdadeea29ce97e5e3a71b62e04316f2389767eb0743b33b649206a58586b5f7cdde675cff6323829c7aaca5987f8d573bd353964b4ac10c5
 EBUILD lld-18.0.0_pre20231104.ebuild 2146 BLAKE2B df574f3c72fcfaa28051e3ba25a12b614f327bace8ae6828888fa94fdb973a3af3bf537bc5db45107fd52554a45d925292109a7dc9977df1a289dfdeb0ad4ac3 SHA512 8755b02d8f28f24efdadeea29ce97e5e3a71b62e04316f2389767eb0743b33b649206a58586b5f7cdde675cff6323829c7aaca5987f8d573bd353964b4ac10c5
 EBUILD lld-18.0.0_pre20231111.ebuild 2146 BLAKE2B df574f3c72fcfaa28051e3ba25a12b614f327bace8ae6828888fa94fdb973a3af3bf537bc5db45107fd52554a45d925292109a7dc9977df1a289dfdeb0ad4ac3 SHA512 8755b02d8f28f24efdadeea29ce97e5e3a71b62e04316f2389767eb0743b33b649206a58586b5f7cdde675cff6323829c7aaca5987f8d573bd353964b4ac10c5
diff --git a/sys-devel/lld/lld-17.0.5.ebuild b/sys-devel/lld/lld-17.0.5.ebuild
new file mode 100644
index 000000000000..7289e547c49a
--- /dev/null
+++ b/sys-devel/lld/lld-17.0.5.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}/${LLVM_SOABI}"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86"
+IUSE="debug test zstd"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~sys-devel/llvm-${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 382eca5c8fcc..3d986e93d534 100644
--- a/sys-devel/llvm-common/Manifest
+++ b/sys-devel/llvm-common/Manifest
@@ -7,11 +7,14 @@ DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43
 DIST llvm-project-167b598648dfcee2f23426bfa972e53f8ac16722.tar.gz 201158314 BLAKE2B 908d42b0148f04eeab8d05d46736c570ffdea7d66273aa428375f944deaaf1c0ca885ef0fbe04588d838e4f831ff9823365f9df700f9e9de08c700f0135f2e59 SHA512 7da16df850245ba70e4ddf318a0e7322ed68b076337325c3d3702bb428358d11137b6254051cc6a34d047789f107fd96065cd169c9b2684f78b3a54c4f566a78
 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-17.0.5.src.tar.xz 127842560 BLAKE2B 2d657ff14ad2dc932a5cdc6605ad30cba8e22ed8f4adb5ed53bfd9b5b654496023df9eb895f9691e98bba6b6a341b81d8a17361daf81ce4c3cd6a2b3602cd90e SHA512 793b63aa875b6d02e3a2803815cc9361b76c9ab1506967e18630fc3d6811bf51c73f53c51d148a5fc72e87e35dc2b88cb18b48419939c436451fe65c5a326022
+DIST llvm-project-17.0.5.src.tar.xz.sig 438 BLAKE2B d65bfe2816c49a4b3dda2c70fe5ca6a6b7e922338219e7a62b2f33082d88b700781e184f2b3b0758c1d46825cf369ddd6f8824f3be8d8f3a70a88cfbc06bba45 SHA512 509a61434471463459d3ec837e3f3cce662650d4e72ffc7d28fbeb0d5cfe92d5b1dc4fa568e40f48757b1e708de793bc157de7225ac15a00221191e6c1e660d9
 DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 EBUILD llvm-common-14.0.6.ebuild 1015 BLAKE2B b7d52fa0ab83b5c9bf23d397074f4db30926ad3d13bdf0d2082a23f384c3889a7c356ba220b78970d117a8b46793e3d175d0a794859bb6148c4d6e1bc1c9e82e SHA512 b89e5a11a04a66cf2929354ce65d80c201d85ee1aaa55c197b3671904e126ec941ad7110277734563b376ebc7fecec463c270f8cad8609664f025916d3f39bac
 EBUILD llvm-common-15.0.7.ebuild 1014 BLAKE2B da3b7ec6cd3c1e57758312fb9ea25e693305e1ef72b350eea85fbde5a1e636269d84bd491b6f528aee8a9cb8229f6304b371f99e6ac416c661c6519706b83b61 SHA512 68b9d672372fe71e39f2b8f9d80eb1dcb5138b8b9b961f56a4eeb81b3fc4054448a51a46b3a62547ebb6262425512f39bc146e5f2c3703de10ab520f1594e7a4
 EBUILD llvm-common-16.0.6.ebuild 1021 BLAKE2B 635a5e329ec238346e1bfe715ed088484a33f517a294dd86f822dbc7d225a296f61d72b73be28767c6629516c6237cf1b377320a38c2092796e6d292ece12977 SHA512 64df7235d2bbf73792c6169931b3f5cb90feac9012590bb391b3d2aed67fbe518d08f46fffaf706f478e528b5837178f2e440557b906d6cce832ecaea021dbba
 EBUILD llvm-common-17.0.4.ebuild 1028 BLAKE2B 17b090a472e770e1f63129c30b736d37f1020e7ce498345919724a412b1221fb6512cd6b88261d6760fde413f391264ac903df6a1e45a5a48cf0bdd5371b370c SHA512 472d118c870970130a42a7c632a968406c44fc1161be1a7a0ef76f5344d98c08e56dac7b20fa2972dc162b5e094b22df9e58a74aac355d3e7d034c2aaef64a4b
+EBUILD llvm-common-17.0.5.ebuild 1028 BLAKE2B 17b090a472e770e1f63129c30b736d37f1020e7ce498345919724a412b1221fb6512cd6b88261d6760fde413f391264ac903df6a1e45a5a48cf0bdd5371b370c SHA512 472d118c870970130a42a7c632a968406c44fc1161be1a7a0ef76f5344d98c08e56dac7b20fa2972dc162b5e094b22df9e58a74aac355d3e7d034c2aaef64a4b
 EBUILD llvm-common-18.0.0.9999.ebuild 925 BLAKE2B 6c17c6fa9b0e8713243f77a3ac6079e7bcbcd0cadef14b22a856944e0515a9722d1b843cbcb784c11dd76b4c882c30737932be700bb71389753761e455823a9f SHA512 2a476421a4c6acc172de2016fd96f3c90c0277565ccb84dad5e61f233c947ad9545acb5ac6aef7b139dce9004b70bba10a0a5eb482641a30d6a2ddc6adc74415
 EBUILD llvm-common-18.0.0_pre20231104.ebuild 925 BLAKE2B 6c17c6fa9b0e8713243f77a3ac6079e7bcbcd0cadef14b22a856944e0515a9722d1b843cbcb784c11dd76b4c882c30737932be700bb71389753761e455823a9f SHA512 2a476421a4c6acc172de2016fd96f3c90c0277565ccb84dad5e61f233c947ad9545acb5ac6aef7b139dce9004b70bba10a0a5eb482641a30d6a2ddc6adc74415
 EBUILD llvm-common-18.0.0_pre20231111.ebuild 925 BLAKE2B 6c17c6fa9b0e8713243f77a3ac6079e7bcbcd0cadef14b22a856944e0515a9722d1b843cbcb784c11dd76b4c882c30737932be700bb71389753761e455823a9f SHA512 2a476421a4c6acc172de2016fd96f3c90c0277565ccb84dad5e61f233c947ad9545acb5ac6aef7b139dce9004b70bba10a0a5eb482641a30d6a2ddc6adc74415
diff --git a/sys-devel/llvm-common/llvm-common-17.0.5.ebuild b/sys-devel/llvm-common/llvm-common-17.0.5.ebuild
new file mode 100644
index 000000000000..b90c15d2e3e5
--- /dev/null
+++ b/sys-devel/llvm-common/llvm-common-17.0.5.ebuild
@@ -0,0 +1,54 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit elisp-common 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="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+IUSE="emacs"
+
+RDEPEND="
+	!sys-devel/llvm:0
+"
+BDEPEND="
+	emacs? ( >=app-editors/emacs-23.1:* )
+"
+
+LLVM_COMPONENTS=( llvm/utils )
+llvm.org_set_globals
+
+SITEFILE="50llvm-gentoo.el"
+BYTECOMPFLAGS="-L emacs"
+
+src_compile() {
+	default
+
+	use emacs && elisp-compile emacs/*.el
+}
+
+src_install() {
+	insinto /usr/share/vim/vimfiles
+	doins -r vim/*/
+	# some users may find it useful
+	newdoc vim/README README.vim
+	dodoc vim/vimrc
+
+	if use emacs ; then
+		elisp-install llvm emacs/*.{el,elc}
+		elisp-make-site-file "${SITEFILE}" llvm
+	fi
+}
+
+pkg_postinst() {
+	use emacs && elisp-site-regen
+}
+
+pkg_postrm() {
+	use emacs && elisp-site-regen
+}
diff --git a/sys-devel/llvm/Manifest b/sys-devel/llvm/Manifest
index 262e2a468aeb..8cc3ef53e4a5 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -5,6 +5,7 @@ DIST llvm-17.0.1-manpages.tar.bz2 263148 BLAKE2B 6485a261e356eacc4a274f9b8d329b5
 DIST llvm-gentoo-patchset-14.0.6-r4.tar.xz 19360 BLAKE2B 814dd617d237b0bd9c80bdd9d921196b8f93248b731083e79455d4609a05dd15b6847fc227359624abce683ecdaadaefea71dc9b65b7edd1fc3912123fa55054 SHA512 9ac57abc87a63cf31ecd021e6dd44f5f11cd6136fa3b92e89c52a6d13e0ed471f88e6e96160baeac4615eedff7943048a35a98c8d37387894c9c2d1f5df277ce
 DIST llvm-gentoo-patchset-15.0.7-r3.tar.xz 24268 BLAKE2B 6531ae385ecea87bc26dba8ce19b4cde8ff224c80fd81f04c6ded131e305ecfdeb8d29ebd3b68a641d240805dc83eb0ebc7cc85124f02ad0ee66e0f201b91d7e SHA512 66cb33f8b423736b990fb75d4f2d1e5f14c0b03308f403297204dd1a352d72f85f34220fd66d3de5d6df328cdf2ffce03c2a111cb0bb57791cf68a88069ac7df
 DIST llvm-gentoo-patchset-16.0.6.tar.xz 17340 BLAKE2B 37cdf4b38367b4256d4f7a25d1b4f41758e5f81be8e20a1c94a10d6c5e36642e9672121b455e73a0bac2eb40467ef2db4b43789b2912a6790593d97b8b5c27e3 SHA512 2c02b9d8a4c5af9fddcd26c95dc66fffae32cb5b7f85c65a1aa4ed00dd8cd5b01cc1975a711aee63c0b8b11e9dc20f2bc05ea753904eb516892b820f02aff825
+DIST llvm-gentoo-patchset-17.0.5.tar.xz 1236 BLAKE2B 1cd550371f15156160740074115dd0d4b9f9d65ca41544f963f7eb98adce8767e50807192bf94fa7a4209dbcdfae15fd0b7a865b88216ac6112dfba474891808 SHA512 8e5cb8f0b688b44b94547ecc8d35e367c2c9f1f1562bf6bdae873dc3c593582d73c2a6dc5fbd457226f9ee450bb024a43adc696934db8333017bad9fa82a23cf
 DIST llvm-project-14.0.6.src.tar.xz 105618228 BLAKE2B ee67c5407df8cef493b9c0004f15e428f22a536a17e5f4e3eb29a003b8a8ec0abe0fa3e072591161d5f30ef7d8867c1ce34d1b341ad858e93c00263499941a99 SHA512 6fc6eeb60fac698702d1aac495fc0161eb7216a1f8db2020af8fccec5837831f7cc20dc2a169bf4f0b5f520748280b4a86621f3697d622aa58faaa45dbfaad13
 DIST llvm-project-14.0.6.src.tar.xz.sig 566 BLAKE2B cb658ad43d8ab6c43a5773aedadf0569c97b5ee4b1bd58eceb10e1879a30880c741c3d66bedd462c892309b688fb7b2673115a62d1f74d71ee375a578de9547f SHA512 b4a7b368532a7a4a24376cfa7db8f6d3478f6d4446474342fc00b474ecf466330cd0f16783209263c4c72d5fc7ddedfb11b95578842e700cfb7ee0bb34cc95d6
 DIST llvm-project-15.0.7.src.tar.xz 110936452 BLAKE2B f3d277e2029157329e5be78b78af36b0826a1dfd9a337992499bf701e33149665bfc47d5e14978e38f342559629a559f8b2ce328705ba34fdf6830f5ae9721a5 SHA512 4836d3603f32e8e54434cbfa8ef33d9d473ac5dc20ebf9c67132653c73f4524931abd1084655eaee5f20bcfcb91bcc4bbc5c4a0b603ad0c9029c556e14dc4c52
@@ -14,11 +15,14 @@ DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43
 DIST llvm-project-167b598648dfcee2f23426bfa972e53f8ac16722.tar.gz 201158314 BLAKE2B 908d42b0148f04eeab8d05d46736c570ffdea7d66273aa428375f944deaaf1c0ca885ef0fbe04588d838e4f831ff9823365f9df700f9e9de08c700f0135f2e59 SHA512 7da16df850245ba70e4ddf318a0e7322ed68b076337325c3d3702bb428358d11137b6254051cc6a34d047789f107fd96065cd169c9b2684f78b3a54c4f566a78
 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-17.0.5.src.tar.xz 127842560 BLAKE2B 2d657ff14ad2dc932a5cdc6605ad30cba8e22ed8f4adb5ed53bfd9b5b654496023df9eb895f9691e98bba6b6a341b81d8a17361daf81ce4c3cd6a2b3602cd90e SHA512 793b63aa875b6d02e3a2803815cc9361b76c9ab1506967e18630fc3d6811bf51c73f53c51d148a5fc72e87e35dc2b88cb18b48419939c436451fe65c5a326022
+DIST llvm-project-17.0.5.src.tar.xz.sig 438 BLAKE2B d65bfe2816c49a4b3dda2c70fe5ca6a6b7e922338219e7a62b2f33082d88b700781e184f2b3b0758c1d46825cf369ddd6f8824f3be8d8f3a70a88cfbc06bba45 SHA512 509a61434471463459d3ec837e3f3cce662650d4e72ffc7d28fbeb0d5cfe92d5b1dc4fa568e40f48757b1e708de793bc157de7225ac15a00221191e6c1e660d9
 DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 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 12812 BLAKE2B 1063af92819795e6867db4ef9c7f31826df93560b99a56fdc33f315319cc916dde824f2282c74b54430da11a5a9e5428de6552ee57ef0f4bdd4b3c69d3ee230f SHA512 d23327496b4a9d58aa8bae415d85fda284bfc499c3552a272b160bb6f6f85d1300f0e5d536d24c97e58def556e1743ebeae9dc7d718bf6a0a994a63e07054969
 EBUILD llvm-17.0.4.ebuild 13080 BLAKE2B 40b706c98bbe0a3be6b3c68f8a863f93b263f2a11228bd180cc7f25120fe3f9fdbd45a621200f471c17b0384fe2eb9a0847b6462903af4106c032a42cae51199 SHA512 dbd372ab87de2a4c27d471261d13f64cdbc34aa0a901457788e239dfa22b9168914cba80ec17f4f6d3aab95f130f7e81a3f2f789fdb0427ae2eeac229e8ae565
+EBUILD llvm-17.0.5.ebuild 13100 BLAKE2B 054b13ea90105c70a9b40cef1cdee3157515bca2350b5fcf69ea8d81a45fb259c523f70e2306f101b6078e367143c1798acc3d7c5e5391a9c6e15c5053f11768 SHA512 6a1973ec5a0045c65e45e53c8f18230098831c5ba4893c908cdf22f4747f03702e19627cabe1d1c7407ab988d52c74ee83a287f96dccaf1e6af8caaa45585d68
 EBUILD llvm-18.0.0.9999.ebuild 12834 BLAKE2B ac3482d8d907e8416d87ece1c2e34dac0427daab18dcfc5b475fb3ec59713d725495740e3a0bfd9c37cef006993d4add504c29ee0118879c30cb9a0479cbcfa5 SHA512 eac78f66e7b2781c7b15817186e6ac7b2cee696974e7a4946260cb14281f2655cf119f73f3ab30e77e2a324ddc0dae50d028d14311cb02f2dc4fd39b28a4f91f
 EBUILD llvm-18.0.0_pre20231104.ebuild 12834 BLAKE2B ac3482d8d907e8416d87ece1c2e34dac0427daab18dcfc5b475fb3ec59713d725495740e3a0bfd9c37cef006993d4add504c29ee0118879c30cb9a0479cbcfa5 SHA512 eac78f66e7b2781c7b15817186e6ac7b2cee696974e7a4946260cb14281f2655cf119f73f3ab30e77e2a324ddc0dae50d028d14311cb02f2dc4fd39b28a4f91f
 EBUILD llvm-18.0.0_pre20231111.ebuild 12834 BLAKE2B ac3482d8d907e8416d87ece1c2e34dac0427daab18dcfc5b475fb3ec59713d725495740e3a0bfd9c37cef006993d4add504c29ee0118879c30cb9a0479cbcfa5 SHA512 eac78f66e7b2781c7b15817186e6ac7b2cee696974e7a4946260cb14281f2655cf119f73f3ab30e77e2a324ddc0dae50d028d14311cb02f2dc4fd39b28a4f91f
diff --git a/sys-devel/llvm/llvm-17.0.5.ebuild b/sys-devel/llvm/llvm-17.0.5.ebuild
new file mode 100644
index 000000000000..8c476ecc2bc9
--- /dev/null
+++ b/sys-devel/llvm/llvm-17.0.5.ebuild
@@ -0,0 +1,541 @@
+# 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="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+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-${LLVM_MAJOR} )
+"
+
+LLVM_COMPONENTS=( llvm cmake third-party )
+LLVM_MANPAGES=1
+LLVM_PATCHSET=${PV}
+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-reduce
+			llvm-remark-size-diff
+			llvm-remarkutil
+			llvm-rtdyld
+			llvm-sim
+			llvm-size
+			llvm-split
+			llvm-stress
+			llvm-strings
+			llvm-strip
+			llvm-symbolizer
+			llvm-tapi-diff
+			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
+
+	# On Macos prefix, Gentoo doesn't split sys-libs/ncurses to libtinfo and
+	# libncurses, but llvm tries to use libtinfo before libncurses, and ends up
+	# using libtinfo (actually, libncurses.dylib) from system instead of prefix
+	use kernel_Darwin && mycmakeargs+=(
+		-DTerminfo_LIBRARIES=-lncurses
+	)
+
+	# 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)"
+}