gentoo auto-resync : 18:12:2022 - 09:41:22

19 files changed, 1284 insertions, 12 deletions

diff --git a/sys-devel/Manifest.gz b/sys-devel/Manifest.gz
index 2bbcf4847e23..c50d7a196ed9 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 cdec613f77d1..126406b1df42 100644
--- a/sys-devel/clang-common/Manifest
+++ b/sys-devel/clang-common/Manifest
@@ -7,14 +7,16 @@ DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257
 DIST llvm-project-959c9cc7acf4d0aa433f2436e2a45b782e18022a.tar.gz 171575300 BLAKE2B 090d41a8913f8e061d297e66ca653d95e18b8da744464d7085d7a199c0a444753a82b6ff6503e142aec81be01b419323cdbe3709497738df74afa886d69fd63d SHA512 fc3b26e148ead7a07b4d1509909a42712a43b179da435b052c26a237b0d2ae88c3c8d76eaa93c415be1ed0f0b5fb55e0ad92f427a18d70bc9634a6e7d1b6a4d9
 DIST llvm-project-d5987fe324fcaedcea12914d6f9644cc5329f364.tar.gz 172157522 BLAKE2B 3c201380e727f7db53d61ff7c411b85aef8b17f086bca0cf3e758284a92a9ced298584e6f92ac6a35f30231d59c916bb98d41a8939f9b1103996c9e09df32ec2 SHA512 dff559b1518bbf9c469a2f4624ba9e83d81df2f08223afc696fa7f3dc9fe1c0d4a17346db8946fb56806e12aa7cbddda8df05b032ffe29dafd8a66c630de0016
 DIST llvm-project-e99edb92356b5ba078b5bc4d5846770414586a1d.tar.gz 171822327 BLAKE2B cdaa704c9f238f34751b92df92f8a767b1204f868dfd8a6f1eb3eeacaaf9c4b63c55a7c0534af124fddb65cf80263f72b79190696c8077e2990984a84a040f2a SHA512 37f45a56d6086df60c9832b75da3b2d78b8ec0fe094f07d41695f0565e4de0c13e460b1fef495864f07300d41f5b32769f0862b0fa5d53c0db9a0ccec1a09072
+DIST llvm-project-fb792ebaf2114ad11d673cf891ae560e2e604711.tar.gz 174312496 BLAKE2B dd7f30b911ef5049e9e2bff7b2768e31b48b1f4c7acaf159f535fe3deb5aa6630fdf7857c83fffcda1119a38a52101490d2b6cb41cb295bb7dd85cde0445b7ee SHA512 bef15e7d82a2faf8be24f784d3d34ff9b21c8f17256879587ea5471011a32a1eb885e1b020da55aa096f2e0b5fe4bcf9fe8f0f5b5d34f5f386c48899c68fb7d1
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
 EBUILD clang-common-13.0.1.ebuild 593 BLAKE2B f7d78facc226d949240f31d10bb01f6a2bbe3c806d7f7c22a78d715d29de74723bedccdeefd029d309b090afe63821e10a1bd27662ff156640820fbca1896bab SHA512 48e5c5f3d4716c15018aa246cf61fbf898c4c459b1f04710da155084a8cf5b8a6df7697c300d297ac48ee1a8a8cff9bc9b4fca712455032f78cb26e9f77ef955
 EBUILD clang-common-14.0.6.ebuild 541 BLAKE2B 87b158e874cf600e23591a8095e0edb4d30d4482600ef8fe38984e9ba9559e6e2226107cd482f355d950392a6a452e1a8ae79d297d5afc3951a7f1c8f6227b5f SHA512 1bd0481468c278f131ec9f87243927b60a59752f4229450559bf8016e9599155a52593810fcdc1cf0aecd4aa1529e8df300d95123a53de18eb326152caafbbef
 EBUILD clang-common-15.0.5.ebuild 3509 BLAKE2B be227d48c3e032de6029d5030eca900d53d2cc0a3fd46323130449a99888f4ab5ccaf73aa14b461b5300ceca70b8c52281bd20a1f71357027f9adc8f638820f2 SHA512 bd511cea98bb9477abbb379bab1bdd2afd2c6f5c255be79792289e11f789322490ec45dbfb76e644179a2fcd2e7ea0314a4abedce111d4f35bc1c51548834e7b
 EBUILD clang-common-15.0.6.9999.ebuild 3432 BLAKE2B 92679a03e3a45df587198ce70dfaebbc674c47229b14040c93353dd4c384636df7ff6591138c8aedf00fcee0f75edef3fc9f3257058f1d8fcdcade0c2be8c244 SHA512 e33fd7582bbe2d3ad4ed3405a92db98d7365d040df39f7e32d2f75b093e346ec88230813c607983398f9c310bc0925b61d9b438905e8177665db123e1b7d064c
-EBUILD clang-common-15.0.6.ebuild 3515 BLAKE2B d5abdcdf42631eb7edbe3621b9860309b7e4fc44c85eb8d42d925dea1ffd6cc5b49b8889430085b612f4d64324c5664d2ef9bb1dcdb2ac05b103d96091e6dbc0 SHA512 70b2fd862b9fc611bc79cacc3b26a3cb9a70cb1d641a1bd5ef2d31f5482ffaa951dba5b099b03edc08a1451ac0eae47fe2e1625d6d130d4b00806073c6703ea7
+EBUILD clang-common-15.0.6.ebuild 3514 BLAKE2B cf083c79b37a0fb37ccfada41de423024732e7ab6e3b84cd771db1f7665376bf8432c787e298cd9d964d30df46e1e360a10970c8bdb1031fecce4b3776c13845 SHA512 5eeaf65d577ee9569787e98bddee4837ef9cef9e9c0a917a23cb13eb92b6275bd556f3bb9802d4934c311f6fae4a5d3de8939aac1d6de676b5eab1359b77f13e
 EBUILD clang-common-16.0.0.9999.ebuild 3569 BLAKE2B fa58a81a826ae45c5287dcd49ba78ad5a5da4cbcdf7f28def7d8691fef5d622ac3dfb116e21b642f143a541d8cb4cdd136056f3d488dc3d4d8fed6383ed55c04 SHA512 3032daff6a584f1b3490738c967e38f26d860841d606e649c394c18237de3cf71c4ae91ce33ac6ca8f8c991e670b750023c10210626f9cdf7e7e3961405885b7
 EBUILD clang-common-16.0.0_pre20221126.ebuild 3575 BLAKE2B 1c2007779af34e1fcb365371e266e0dc86e675792c28a02f53615e207239ab259ee7a71ac2d971a7833a1872409ceb8f8fe95a50e45ef3b8c948af3184dabc38 SHA512 97568c6737ac321f46782ce784a30c31a3d1ce6d2839e38cabfdde9becf56a1b44f2c05ab108fe18681ca021ad8f4d8d6161c5afce773f6b137d2d11f21177ad
 EBUILD clang-common-16.0.0_pre20221205.ebuild 3575 BLAKE2B 1c2007779af34e1fcb365371e266e0dc86e675792c28a02f53615e207239ab259ee7a71ac2d971a7833a1872409ceb8f8fe95a50e45ef3b8c948af3184dabc38 SHA512 97568c6737ac321f46782ce784a30c31a3d1ce6d2839e38cabfdde9becf56a1b44f2c05ab108fe18681ca021ad8f4d8d6161c5afce773f6b137d2d11f21177ad
 EBUILD clang-common-16.0.0_pre20221210.ebuild 3575 BLAKE2B 1c2007779af34e1fcb365371e266e0dc86e675792c28a02f53615e207239ab259ee7a71ac2d971a7833a1872409ceb8f8fe95a50e45ef3b8c948af3184dabc38 SHA512 97568c6737ac321f46782ce784a30c31a3d1ce6d2839e38cabfdde9becf56a1b44f2c05ab108fe18681ca021ad8f4d8d6161c5afce773f6b137d2d11f21177ad
+EBUILD clang-common-16.0.0_pre20221217.ebuild 3575 BLAKE2B 1c2007779af34e1fcb365371e266e0dc86e675792c28a02f53615e207239ab259ee7a71ac2d971a7833a1872409ceb8f8fe95a50e45ef3b8c948af3184dabc38 SHA512 97568c6737ac321f46782ce784a30c31a3d1ce6d2839e38cabfdde9becf56a1b44f2c05ab108fe18681ca021ad8f4d8d6161c5afce773f6b137d2d11f21177ad
 MISC metadata.xml 735 BLAKE2B 12ea133df3d7eb9367a65e572ef91893e654d5b77caa27c66e4b5b41ba90ebc5e619eb78dfff2a67183d2c1cbfcf35fa903b2bb75604ce153d5cedfce5346e3c SHA512 8ed6b12d4f2aa1985897a8d81ce898dbc0d14ac222f3d0f259cbe80fbb8b2349dff7677627daeaf39a422f290200da4fac6348abc81c9e35da0ca73a11cfdd83
diff --git a/sys-devel/clang-common/clang-common-15.0.6.ebuild b/sys-devel/clang-common/clang-common-15.0.6.ebuild
index 0254e17187d7..e681aa13cd6d 100644
--- a/sys-devel/clang-common/clang-common-15.0.6.ebuild
+++ b/sys-devel/clang-common/clang-common-15.0.6.ebuild
@@ -10,7 +10,7 @@ HOMEPAGE="https://llvm.org/"
 
 LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
 SLOT="0"
-KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+KEYWORDS="amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
 IUSE="
 	default-compiler-rt default-libcxx default-lld llvm-libunwind
 	stricter
diff --git a/sys-devel/clang-common/clang-common-16.0.0_pre20221217.ebuild b/sys-devel/clang-common/clang-common-16.0.0_pre20221217.ebuild
new file mode 100644
index 000000000000..0df5a88a9a09
--- /dev/null
+++ b/sys-devel/clang-common/clang-common-16.0.0_pre20221217.ebuild
@@ -0,0 +1,132 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit bash-completion-r1 llvm.org
+
+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="~loong"
+IUSE="
+	default-compiler-rt default-libcxx default-lld llvm-libunwind
+	stricter
+"
+
+PDEPEND="
+	sys-devel/clang:*
+	default-compiler-rt? (
+		sys-devel/clang-runtime[compiler-rt]
+		llvm-libunwind? ( sys-libs/llvm-libunwind )
+		!llvm-libunwind? ( sys-libs/libunwind )
+	)
+	!default-compiler-rt? ( sys-devel/gcc )
+	default-libcxx? ( >=sys-libs/libcxx-${PV} )
+	!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 ${missing_flags[*]}"
+		eerror
+		eerror "or build with CLANG_IGNORE_DEFAULT_RUNTIMES=1."
+		die "Mismatched defaults detected between sys-devel/clang and sys-devel/clang-common"
+	fi
+}
+
+src_install() {
+	newbashcomp bash-autocomplete.sh clang
+
+	insinto /etc/clang
+	newins - gentoo-runtimes.cfg <<-EOF
+		# This file is initially generated by sys-devel/clang-runtime.
+		# It is used to control the default runtimes using by clang.
+
+		--rtlib=$(usex default-compiler-rt compiler-rt libgcc)
+		--unwindlib=$(usex default-compiler-rt libunwind libgcc)
+		--stdlib=$(usex default-libcxx libc++ libstdc++)
+		-fuse-ld=$(usex default-lld lld bfd)
+	EOF
+
+	newins - gentoo-gcc-install.cfg <<-EOF
+		# This file is maintained by gcc-config.
+		# It is used to specify the selected GCC installation.
+	EOF
+
+	newins - gentoo-common.cfg <<-EOF
+		# This file contains flags common to clang, clang++ and clang-cpp.
+		@gentoo-runtimes.cfg
+		@gentoo-gcc-install.cfg
+	EOF
+
+	if use stricter; then
+		newins - gentoo-stricter.cfg <<-EOF
+			# This file increases the strictness of older clang versions
+			# to match the newest upstream version.
+
+			# clang-16 defaults
+			-Werror=implicit-function-declaration
+			-Werror=implicit-int
+			-Werror=incompatible-function-pointer-types
+
+			# constructs banned by C2x
+			-Werror=deprecated-non-prototype
+
+			# deprecated but large blast radius
+			#-Werror=strict-prototypes
+		EOF
+
+		cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
+			@gentoo-stricter.cfg
+		EOF
+	fi
+
+	local tool
+	for tool in clang{,++,-cpp}; do
+		newins - "${tool}.cfg" <<-EOF
+			# This configuration file is used by ${tool} driver.
+			@gentoo-common.cfg
+		EOF
+	done
+}
+
+pkg_preinst() {
+	if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc
+	then
+		local gcc_path=$(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 f36c42efb80b..be10d08b858f 100644
--- a/sys-devel/clang-runtime/Manifest
+++ b/sys-devel/clang-runtime/Manifest
@@ -2,9 +2,10 @@ EBUILD clang-runtime-13.0.1.ebuild 704 BLAKE2B a75c3997e7f744e1c50f7672bcd356422
 EBUILD clang-runtime-14.0.6.ebuild 760 BLAKE2B 0f6cfb8536569ffe2a09305e71056309690ad1c8e92543e64025bd5e009eac35018ec22b2c0f80c12f3a527cc7e0bfe4ec1bfcb2dd9dea54106abf46b13e5592 SHA512 580efee12fe0e53447f5644fad248ebded8ae6cd8cb5871cb38bb3148091886b6fb9a57ac712d3158d5c3fc38c043b0bfbf62fc550a609752a42c23e605b0ded
 EBUILD clang-runtime-15.0.5.ebuild 759 BLAKE2B 199c187b5b1b72022e8a11ca375b77bc35f5284267c5a3d12d6884902bff6cb0ebb9936d4708d0d3381c907f2ea168f6fbabbe2d28c63fa041248955c1a743d6 SHA512 277e415b1750ff721363da57fddfa087db93bf3d66958121199e0d2bd3c3bd4e6aa72e35a9697bf4fbc2e919d91c3ffc48745a748ee9a04b1ea7debf0c8a4995
 EBUILD clang-runtime-15.0.6.9999.ebuild 700 BLAKE2B fc3ea6d50378cd569aa9a2a30cae69dfe59524f7c9edf5a4f6e39d5d07568224625ad286e857d7d852aef95903cfe9804f54e83aa093269ca2287f57fba2ebb2 SHA512 0b88353d5a7fda68a034017bac76c37ef36d8477b52f4446e81ff01861d50f1140933b54058ad3a3bfa5cade8d8ad2c86cfe5c580b682a9bb03f2e471d3e99ed
-EBUILD clang-runtime-15.0.6.ebuild 765 BLAKE2B 74642db1698b3fa4d697dd92819987c30d83eceeb62a414e3a1f320707099289eb5a2d7294afea723e823505ad67a1a85cae321f0ecd868d967649bc035d1466 SHA512 e8817849a71c93371151a65ad52be09fc2a13a786ad7c0cb2db51440b470719cbe5141672723456e0ae1851c8595268302ff270bd782c9d9193bba890409ff12
+EBUILD clang-runtime-15.0.6.ebuild 764 BLAKE2B e299328f6a748acdd6cf9ca5f07d66c6ff5a49d3072c41939841934729e33685542b424454fae791f99358a2e56273ab5c24fd586bf1f0cdc2af71df7434a850 SHA512 50ec6479a809d7759a0cbe3d565eaf338e9445392b4c11ffcd7f1f48de5a257741fc06cdc06afdc7fcebf8641841a1e6a2afad6e9ea24cae50b505f331d1e3f4
 EBUILD clang-runtime-16.0.0.9999.ebuild 1369 BLAKE2B a25d32189f78e993706138f339ad0645e3042bd283ddc26b4189c117ea2368d0a1c2b09c2f5f538112bcad65fc14dc0d29f16e4d6ff98e3401c3bdb74d59d750 SHA512 c37860675576d51047f5347400753a19469ea0e2e6ff49a3a5ba6e35f5b33372c06ee2ac1e82aa4a681f35e8c186a1ff8eb25a9eccd0ee35e5ab3d57873f40e0
 EBUILD clang-runtime-16.0.0_pre20221126.ebuild 1357 BLAKE2B 41fdd4a52628924b2e5a2af2a06126e533749f36e15ff66cea9273d2e0afbc9107ed1656431170a121d59d1c39a8731c8ebd966e7ec53d23a833a95526f20fba SHA512 5919d5f398ba8be49072679cdf84bca0dfe16759a5d148b7f3df322d3c9087adac172c302b96bc6b67dffd5ccacfcca44cc7091bf631c0af16d5685aacc4e7ef
 EBUILD clang-runtime-16.0.0_pre20221205.ebuild 1357 BLAKE2B 41fdd4a52628924b2e5a2af2a06126e533749f36e15ff66cea9273d2e0afbc9107ed1656431170a121d59d1c39a8731c8ebd966e7ec53d23a833a95526f20fba SHA512 5919d5f398ba8be49072679cdf84bca0dfe16759a5d148b7f3df322d3c9087adac172c302b96bc6b67dffd5ccacfcca44cc7091bf631c0af16d5685aacc4e7ef
 EBUILD clang-runtime-16.0.0_pre20221210.ebuild 1357 BLAKE2B 41fdd4a52628924b2e5a2af2a06126e533749f36e15ff66cea9273d2e0afbc9107ed1656431170a121d59d1c39a8731c8ebd966e7ec53d23a833a95526f20fba SHA512 5919d5f398ba8be49072679cdf84bca0dfe16759a5d148b7f3df322d3c9087adac172c302b96bc6b67dffd5ccacfcca44cc7091bf631c0af16d5685aacc4e7ef
+EBUILD clang-runtime-16.0.0_pre20221217.ebuild 1357 BLAKE2B 41fdd4a52628924b2e5a2af2a06126e533749f36e15ff66cea9273d2e0afbc9107ed1656431170a121d59d1c39a8731c8ebd966e7ec53d23a833a95526f20fba SHA512 5919d5f398ba8be49072679cdf84bca0dfe16759a5d148b7f3df322d3c9087adac172c302b96bc6b67dffd5ccacfcca44cc7091bf631c0af16d5685aacc4e7ef
 MISC metadata.xml 661 BLAKE2B 24688c511713ea102b83c71d226d519981b3aee0e05ef7a56d6a80be829efd843194e45cb4fd801f0bb976b6f1976386d6a2b05d2bc907fe2aa42b22b85b7d1f SHA512 2b5ab8783c90795f2e7d1673d876048ed9745f4911fb7a860df56deac13a6dfeba4581a84562eae54eff757c45042ca3fab75c7800313ae61df9ce69780a9294
diff --git a/sys-devel/clang-runtime/clang-runtime-15.0.6.ebuild b/sys-devel/clang-runtime/clang-runtime-15.0.6.ebuild
index 99ed77c62283..03d816897ecf 100644
--- a/sys-devel/clang-runtime/clang-runtime-15.0.6.ebuild
+++ b/sys-devel/clang-runtime/clang-runtime-15.0.6.ebuild
@@ -10,7 +10,7 @@ HOMEPAGE="https://clang.llvm.org/"
 
 LICENSE="metapackage"
 SLOT="$(ver_cut 1-3)"
-KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+KEYWORDS="amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
 IUSE="+compiler-rt libcxx openmp +sanitize"
 REQUIRED_USE="sanitize? ( compiler-rt )"
 
diff --git a/sys-devel/clang-runtime/clang-runtime-16.0.0_pre20221217.ebuild b/sys-devel/clang-runtime/clang-runtime-16.0.0_pre20221217.ebuild
new file mode 100644
index 000000000000..b20d7b8fec85
--- /dev/null
+++ b/sys-devel/clang-runtime/clang-runtime-16.0.0_pre20221217.ebuild
@@ -0,0 +1,40 @@
+# Copyright 1999-2022 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="${PV%%.*}"
+KEYWORDS="~loong"
+IUSE="+compiler-rt libcxx openmp +sanitize"
+REQUIRED_USE="sanitize? ( compiler-rt )"
+
+RDEPEND="
+	compiler-rt? (
+		~sys-libs/compiler-rt-${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 6bb8ebeb6861..04156520c278 100644
--- a/sys-devel/clang/Manifest
+++ b/sys-devel/clang/Manifest
@@ -17,14 +17,16 @@ DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257
 DIST llvm-project-959c9cc7acf4d0aa433f2436e2a45b782e18022a.tar.gz 171575300 BLAKE2B 090d41a8913f8e061d297e66ca653d95e18b8da744464d7085d7a199c0a444753a82b6ff6503e142aec81be01b419323cdbe3709497738df74afa886d69fd63d SHA512 fc3b26e148ead7a07b4d1509909a42712a43b179da435b052c26a237b0d2ae88c3c8d76eaa93c415be1ed0f0b5fb55e0ad92f427a18d70bc9634a6e7d1b6a4d9
 DIST llvm-project-d5987fe324fcaedcea12914d6f9644cc5329f364.tar.gz 172157522 BLAKE2B 3c201380e727f7db53d61ff7c411b85aef8b17f086bca0cf3e758284a92a9ced298584e6f92ac6a35f30231d59c916bb98d41a8939f9b1103996c9e09df32ec2 SHA512 dff559b1518bbf9c469a2f4624ba9e83d81df2f08223afc696fa7f3dc9fe1c0d4a17346db8946fb56806e12aa7cbddda8df05b032ffe29dafd8a66c630de0016
 DIST llvm-project-e99edb92356b5ba078b5bc4d5846770414586a1d.tar.gz 171822327 BLAKE2B cdaa704c9f238f34751b92df92f8a767b1204f868dfd8a6f1eb3eeacaaf9c4b63c55a7c0534af124fddb65cf80263f72b79190696c8077e2990984a84a040f2a SHA512 37f45a56d6086df60c9832b75da3b2d78b8ec0fe094f07d41695f0565e4de0c13e460b1fef495864f07300d41f5b32769f0862b0fa5d53c0db9a0ccec1a09072
+DIST llvm-project-fb792ebaf2114ad11d673cf891ae560e2e604711.tar.gz 174312496 BLAKE2B dd7f30b911ef5049e9e2bff7b2768e31b48b1f4c7acaf159f535fe3deb5aa6630fdf7857c83fffcda1119a38a52101490d2b6cb41cb295bb7dd85cde0445b7ee SHA512 bef15e7d82a2faf8be24f784d3d34ff9b21c8f17256879587ea5471011a32a1eb885e1b020da55aa096f2e0b5fe4bcf9fe8f0f5b5d34f5f386c48899c68fb7d1
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
 EBUILD clang-13.0.1.ebuild 11294 BLAKE2B 33760cbd488068389efed5c011b15288021d1f93a371d5114301a5f86e815b3a1e9ae21ed6304d90916778f2312db17339d85b6d76e5e8255614706ddc3a7cf6 SHA512 b49773a02c15c4e869682664bd5703d7e08f60be9558fdbd78da19be5d5a1158093729260106cffe4cd8a6295ba740e42cc43d07da00ed8ead14dc45899ce80a
 EBUILD clang-14.0.6-r1.ebuild 11719 BLAKE2B 743e26b68f15e8b4aa7acfe4f7abd095fe42a3ba6dafdff278d0bfe06f57679490e0940a1029f97d5cc3f6d4ac8b44ea63283bbad1052623ee0048fdbbeb54e0 SHA512 ec6da9dcbed9f078307e8265362a5b39dac9d97d8aadbba16395ee7ddb442d34d1d2a1e9e880da41dbdb51fcf3c741c33ac469e5f6ffa4d091adb4d1743fa12b
 EBUILD clang-15.0.5.ebuild 11817 BLAKE2B ecff04e7eb9100c0c71622e2b6494483904c43fd5eb5bca967735175379ddb425c6ef7351882294742d66ceffa52ba9a2004f0640bb085d61bdd568ed5b8302a SHA512 2d4433d2db20f15b76d8dbe0b6d8e875e0ab1c1ec1958ef51d2a7679dccd1b343d2ec0f79c500b5df1a51aa7b0abb9a607a0cd3944b7d1465c6cb2aaa830dca3
 EBUILD clang-15.0.6.9999.ebuild 11753 BLAKE2B ee5d7c5223f01c58267128213a5298c323ce83b4d4d864df69fd7452d8d5d481a441114734f5e315de3ddab390338d1bc0e3b1eb221a0b92f7bc2e25dde0ccc8 SHA512 ad6948948729c0ccbd44ae0a334731e48cfb5bd499883805628d44db8281ab06fbc8a5cffd9ee41ab6142039db5d107647a41e5c241d0d1f6f0dd09841e4f2b4
-EBUILD clang-15.0.6.ebuild 11823 BLAKE2B 7592e898ab7b7f1fdd44de47c7a1c3252b4d31b9bb613c3a1f661afce313962424ad3ed15c18fc3576e04f88f716ecc26f1cf2a1d2b04288d0f0766e0ebb03f2 SHA512 8dcbfa012afb166552ac994326267d45ac4e97aaec459368a77ec87a8e57a8128139233326e3aaace47df8ea43229132985ac3fada8c0b445a49f51255b1d2b6
+EBUILD clang-15.0.6.ebuild 11822 BLAKE2B 7ca4d1fda07796ce43795ba85ea76a45ede5da778364d78969fcf66383bcce729976e6ba10339011e84b6b6d5637e3d55140cb88f53938e73c113f7295186245 SHA512 5da56153c50af774114dbd865d431977f44d91843e12658cf7b6812efee72857cc0c5e719cc6155f1faf77649abcb56be67a17577bd968e99c983a54e018a5b8
 EBUILD clang-16.0.0.9999.ebuild 11493 BLAKE2B 48ab0581142b4eb2f663819c06e38a4679a5fe1e553c4d870e20d5d7b4b2ca760155127d30b7f5b72558d21f15d707f40b0bae1968f0fe0786845cfdcbefb964 SHA512 d09f03fb50e6ecd2053dc279acf393e556c9e497aea50c1ef472693299d178be53dd2370f6ec71a25e587a75ab9958f1c27505fe9d0361b938a179fdbb87be32
 EBUILD clang-16.0.0_pre20221126.ebuild 11521 BLAKE2B 403372f3707f2e2b5755905bdd4a278ce6c63da239ae3a17e2c9d3b2a612781fc65d49f4ecded5bebb861b1d9d2031fb1ce09dbde59ac074ffbd78cdf862c58a SHA512 11ee0c77093f31c05c75073f94c120b87905f8896472ed83f26f13f0ede066bd842b568c29499f12dd1534b0b015312a6bb98817fed0fb420c1ee44d5488a41c
 EBUILD clang-16.0.0_pre20221205.ebuild 11499 BLAKE2B e471ccc63c755046a88dfb913b9ea6ae3ca138840c9505020bff620b8e68b9a8ec5a14e617d26a93f9df6967c168912e401708cfff6bafbd892ea2a75c66c965 SHA512 5cd0c9254174eba2ff28aabb3b216f1fe5383b7800ca59fb82b599e9e53d390ad0563c9a5b97c83c3c933cf295d240cb57d33b6f123af71b28d77cd1f7f62197
 EBUILD clang-16.0.0_pre20221210.ebuild 11499 BLAKE2B e471ccc63c755046a88dfb913b9ea6ae3ca138840c9505020bff620b8e68b9a8ec5a14e617d26a93f9df6967c168912e401708cfff6bafbd892ea2a75c66c965 SHA512 5cd0c9254174eba2ff28aabb3b216f1fe5383b7800ca59fb82b599e9e53d390ad0563c9a5b97c83c3c933cf295d240cb57d33b6f123af71b28d77cd1f7f62197
+EBUILD clang-16.0.0_pre20221217.ebuild 11499 BLAKE2B e471ccc63c755046a88dfb913b9ea6ae3ca138840c9505020bff620b8e68b9a8ec5a14e617d26a93f9df6967c168912e401708cfff6bafbd892ea2a75c66c965 SHA512 5cd0c9254174eba2ff28aabb3b216f1fe5383b7800ca59fb82b599e9e53d390ad0563c9a5b97c83c3c933cf295d240cb57d33b6f123af71b28d77cd1f7f62197
 MISC metadata.xml 1501 BLAKE2B 961072eb205cc00521eaffed8068733579b0c688454fa55034cbf9c271065653374d2a6c5db403e3930907ebd84a02e4c46a24dd3835406fbdafdb8ecfb9a20e SHA512 d7708ee293d78af52ad61a5a5e51a2a8047092dd837805f27622b2d4915aec65e10fdcf9ae744ab535af5b50b4483ba1ef84d1cc8701545f7c7f0500bbe15260
diff --git a/sys-devel/clang/clang-15.0.6.ebuild b/sys-devel/clang/clang-15.0.6.ebuild
index 0c9fa0ff7083..e31eea35bffd 100644
--- a/sys-devel/clang/clang-15.0.6.ebuild
+++ b/sys-devel/clang/clang-15.0.6.ebuild
@@ -15,7 +15,7 @@ HOMEPAGE="https://llvm.org/"
 
 LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT"
 SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
-KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x64-macos"
+KEYWORDS="amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x64-macos"
 IUSE="debug doc +extra +pie +static-analyzer test xml"
 REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 RESTRICT="!test? ( test )"
diff --git a/sys-devel/clang/clang-16.0.0_pre20221217.ebuild b/sys-devel/clang/clang-16.0.0_pre20221217.ebuild
new file mode 100644
index 000000000000..45441bad73b4
--- /dev/null
+++ b/sys-devel/clang/clang-16.0.0_pre20221217.ebuild
@@ -0,0 +1,454 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+inherit cmake llvm llvm.org multilib multilib-minimal \
+	prefix python-single-r1 toolchain-funcs
+
+DESCRIPTION="C language family frontend for LLVM"
+HOMEPAGE="https://llvm.org/"
+
+# MSVCSetupApi.h: MIT
+# sorttable.js: MIT
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS="~loong"
+IUSE="debug doc +extra +pie +static-analyzer test xml"
+REQUIRED_USE="${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/lib/Testing/Support
+	llvm/utils
+	third-party
+)
+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
+}
+
+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
+			c-index-test
+			clang
+			clang-format
+			clang-offload-bundler
+			clang-offload-packager
+			clang-refactor
+			clang-repl
+			clang-rename
+			clang-scan-deps
+			diagtool
+			hmaptool
+		)
+
+		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=(
+		-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="${LLVM_TARGETS// /;}"
+
+		-DCMAKE_DISABLE_FIND_PACKAGE_LibXml2=$(usex !xml)
+		# 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_CUDA=ON
+
+		-DCLANG_DEFAULT_PIE_ON_LINUX=$(usex pie)
+
+		-DCLANG_ENABLE_ARCMT=$(usex static-analyzer)
+		-DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+	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
+		[[ -x "/usr/bin/clang-tblgen" ]] \
+			|| die "/usr/bin/clang-tblgen not found or usable"
+		mycmakeargs+=(
+			-DCMAKE_CROSSCOMPILING=ON
+			-DCLANG_TABLEGEN=/usr/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
+
+	# provide a symlink for tests
+	if [[ ! -L ${WORKDIR}/lib/clang ]]; then
+		mkdir -p "${WORKDIR}"/lib || die
+		ln -s "${BUILD_DIR}/$(get_libdir)/clang" "${WORKDIR}"/lib/clang || die
+	fi
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	local test_targets=( check-clang )
+	if multilib_native_use extra; then
+		test_targets+=(
+			check-clang-tools
+			check-clangd
+		)
+	fi
+	cmake_build "${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/llvm/${LLVM_MAJOR}/$(get_libdir)/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 86a63137958d..e10b5380e4b4 100644
--- a/sys-devel/lld/Manifest
+++ b/sys-devel/lld/Manifest
@@ -7,14 +7,16 @@ DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257
 DIST llvm-project-959c9cc7acf4d0aa433f2436e2a45b782e18022a.tar.gz 171575300 BLAKE2B 090d41a8913f8e061d297e66ca653d95e18b8da744464d7085d7a199c0a444753a82b6ff6503e142aec81be01b419323cdbe3709497738df74afa886d69fd63d SHA512 fc3b26e148ead7a07b4d1509909a42712a43b179da435b052c26a237b0d2ae88c3c8d76eaa93c415be1ed0f0b5fb55e0ad92f427a18d70bc9634a6e7d1b6a4d9
 DIST llvm-project-d5987fe324fcaedcea12914d6f9644cc5329f364.tar.gz 172157522 BLAKE2B 3c201380e727f7db53d61ff7c411b85aef8b17f086bca0cf3e758284a92a9ced298584e6f92ac6a35f30231d59c916bb98d41a8939f9b1103996c9e09df32ec2 SHA512 dff559b1518bbf9c469a2f4624ba9e83d81df2f08223afc696fa7f3dc9fe1c0d4a17346db8946fb56806e12aa7cbddda8df05b032ffe29dafd8a66c630de0016
 DIST llvm-project-e99edb92356b5ba078b5bc4d5846770414586a1d.tar.gz 171822327 BLAKE2B cdaa704c9f238f34751b92df92f8a767b1204f868dfd8a6f1eb3eeacaaf9c4b63c55a7c0534af124fddb65cf80263f72b79190696c8077e2990984a84a040f2a SHA512 37f45a56d6086df60c9832b75da3b2d78b8ec0fe094f07d41695f0565e4de0c13e460b1fef495864f07300d41f5b32769f0862b0fa5d53c0db9a0ccec1a09072
+DIST llvm-project-fb792ebaf2114ad11d673cf891ae560e2e604711.tar.gz 174312496 BLAKE2B dd7f30b911ef5049e9e2bff7b2768e31b48b1f4c7acaf159f535fe3deb5aa6630fdf7857c83fffcda1119a38a52101490d2b6cb41cb295bb7dd85cde0445b7ee SHA512 bef15e7d82a2faf8be24f784d3d34ff9b21c8f17256879587ea5471011a32a1eb885e1b020da55aa096f2e0b5fe4bcf9fe8f0f5b5d34f5f386c48899c68fb7d1
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
 EBUILD lld-13.0.1-r1.ebuild 2003 BLAKE2B bc67645d251f5c2883a32cd57ebcedefdf4fe8853c709139cc9ca11299e5f28d8b000eba622521cb5aba19ffe36189cf682e921386d2731538b05308f7c67257 SHA512 d933299ffeecdaea55e37a085c181322fc9d1d0f2e69e2c5f064b6db43c11bc152203908444b66423adbd299eeb13a1f6a0863b7ea359734fe919efd96bec639
 EBUILD lld-14.0.6-r1.ebuild 2009 BLAKE2B ba5b56979e55cdcc340294289ad31bcd1f331e4f93a4e76c185eb4a662abeaae0b54af59fd39d9a93d06410d20b0dc5c2600dcfd8d35260b152b2ceb7a3b56a9 SHA512 b3973f16c1973763e523c065016bce46e743c76bfa257d623af86b9231b0732e1b67b695fe6d9deb2ed6534cd8eb37de9de46ab46d3789aa2634bc54e7197657
 EBUILD lld-15.0.5.ebuild 2094 BLAKE2B 0346f444a9e76604151593a73bfb1c1d966baeffeee2874e21edb07119e1e8b40c11faeba13af65d1e266c57f29fc0b54e629b9e49160f410f74a6bbf22b2ba9 SHA512 96928bf4aca009b52b7e6fc7cf16b1c99f2eb70ffbb4555785b459c39d12dec0a67fc8029dfab9255241aaae67fe2e3aaf8d5dcd47419723da556735afb36cf1
 EBUILD lld-15.0.6.9999.ebuild 2057 BLAKE2B e41e0265a761f3ca21d7cbb32987b7f083f73979ab1ebdc4b76e98cc2415d2062783e46cc53b0cb6c21f2471df57f6f6209715d26e5baee01f20431a31c17b04 SHA512 8a4bab6ea39ff8bf25762658e6b1bf2df6523659049240390e9517c30a716b83823948b42b7aad22979e0a60b7dea2d6a5309938fb1810d07bc1566a2d903698
-EBUILD lld-15.0.6.ebuild 2098 BLAKE2B c380ac36f44b458d6f9fd4d3f24072ce6480a6548c2d0c1c7cbe39dfc6d8940e9c52d21089ecc7b42f238a01243c34178b02892b1f1bcacced2726cabcde5539 SHA512 06f621c0f2d114a5a59580f0140530c4b6bfaeba04e841c7b21f44bde82ab7d0151493ab0335054809211ba0536c1ba3211214096ed23f04b1db1d7aadf671d5
+EBUILD lld-15.0.6.ebuild 2097 BLAKE2B 53c1a4950dd420629325653a6529634a995e79e318d2e5dfce858868c7e431f35d251dab6637eed07262972df8e7535ce29cfcc7eaa1213d61adfbde70d34982 SHA512 ad895e4516bfa51e9085495764c1966e0f59f6f9c6fa13de5a2f36eeb4612dcdd6a8ca0e1ff2fdc8ab1c7294cb8e7a6c6e8ca264dc3421dd20ca52437e920d08
 EBUILD lld-16.0.0.9999.ebuild 2029 BLAKE2B 11f5ed949a1bee56186364445e5a64a64b7e4b51c10664cab20dfed1f22e3809ac10a474e1cf0991f38b1d0f47cee8dfbf601af5500480d928a8f186925b1db5 SHA512 7a92f13d78403f0e44781392446e63dd4cbab564872f5156fa53ba7b04eae6ddcb0f7c809e45080dff92bcaf6d1eff1ee8e6dd4991d51c1d6dc0a0c724f7b304
 EBUILD lld-16.0.0_pre20221126.ebuild 2029 BLAKE2B 11f5ed949a1bee56186364445e5a64a64b7e4b51c10664cab20dfed1f22e3809ac10a474e1cf0991f38b1d0f47cee8dfbf601af5500480d928a8f186925b1db5 SHA512 7a92f13d78403f0e44781392446e63dd4cbab564872f5156fa53ba7b04eae6ddcb0f7c809e45080dff92bcaf6d1eff1ee8e6dd4991d51c1d6dc0a0c724f7b304
 EBUILD lld-16.0.0_pre20221205.ebuild 2029 BLAKE2B 11f5ed949a1bee56186364445e5a64a64b7e4b51c10664cab20dfed1f22e3809ac10a474e1cf0991f38b1d0f47cee8dfbf601af5500480d928a8f186925b1db5 SHA512 7a92f13d78403f0e44781392446e63dd4cbab564872f5156fa53ba7b04eae6ddcb0f7c809e45080dff92bcaf6d1eff1ee8e6dd4991d51c1d6dc0a0c724f7b304
 EBUILD lld-16.0.0_pre20221210.ebuild 2029 BLAKE2B 11f5ed949a1bee56186364445e5a64a64b7e4b51c10664cab20dfed1f22e3809ac10a474e1cf0991f38b1d0f47cee8dfbf601af5500480d928a8f186925b1db5 SHA512 7a92f13d78403f0e44781392446e63dd4cbab564872f5156fa53ba7b04eae6ddcb0f7c809e45080dff92bcaf6d1eff1ee8e6dd4991d51c1d6dc0a0c724f7b304
+EBUILD lld-16.0.0_pre20221217.ebuild 2029 BLAKE2B 11f5ed949a1bee56186364445e5a64a64b7e4b51c10664cab20dfed1f22e3809ac10a474e1cf0991f38b1d0f47cee8dfbf601af5500480d928a8f186925b1db5 SHA512 7a92f13d78403f0e44781392446e63dd4cbab564872f5156fa53ba7b04eae6ddcb0f7c809e45080dff92bcaf6d1eff1ee8e6dd4991d51c1d6dc0a0c724f7b304
 MISC metadata.xml 299 BLAKE2B 2feead2cd1b35b3a43335ddd7711f8181b52bc63ee7166608914260c67528add5251349063afbef4f8cf0ec09b2cd4c3ffdd90f2c14ed60bb69ebc03888f6333 SHA512 cd745c54ab18d25bdaff18582105072574103a36cfe7c175ef740f266d00e9fc6f44c332904d23b911c939cf5bdf52973b388923099d8dd5dfef3c283b5cb685
diff --git a/sys-devel/lld/lld-15.0.6.ebuild b/sys-devel/lld/lld-15.0.6.ebuild
index 846da4dbb4d2..daa9862bd309 100644
--- a/sys-devel/lld/lld-15.0.6.ebuild
+++ b/sys-devel/lld/lld-15.0.6.ebuild
@@ -11,7 +11,7 @@ HOMEPAGE="https://llvm.org/"
 
 LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
 SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
-KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~x86"
+KEYWORDS="amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~x86"
 IUSE="debug test"
 RESTRICT="!test? ( test )"
 
diff --git a/sys-devel/lld/lld-16.0.0_pre20221217.ebuild b/sys-devel/lld/lld-16.0.0_pre20221217.ebuild
new file mode 100644
index 000000000000..8113bdadff2e
--- /dev/null
+++ b/sys-devel/lld/lld-16.0.0_pre20221217.ebuild
@@ -0,0 +1,83 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+inherit cmake flag-o-matic llvm llvm.org python-any-r1
+
+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}[zstd=]
+	sys-libs/zlib:=
+	zstd? ( app-arch/zstd:= )
+"
+RDEPEND="
+	${DEPEND}
+	!sys-devel/lld:0
+"
+BDEPEND="
+	test? (
+		>=dev-util/cmake-3.16
+		$(python_gen_any_dep ">=dev-python/lit-${PV}[\${PYTHON_USEDEP}]")
+	)
+"
+PDEPEND="
+	>=sys-devel/lld-toolchain-symlinks-16-r2:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=( lld cmake libunwind/include/mach-o )
+LLVM_TEST_COMPONENTS=( llvm/utils third-party )
+llvm.org_set_globals
+
+python_check_deps() {
+	python_has_version ">=dev-python/lit-${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}"
+	)
+	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 1a110f412804..2156e8629dfa 100644
--- a/sys-devel/llvm-common/Manifest
+++ b/sys-devel/llvm-common/Manifest
@@ -7,14 +7,16 @@ DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257
 DIST llvm-project-959c9cc7acf4d0aa433f2436e2a45b782e18022a.tar.gz 171575300 BLAKE2B 090d41a8913f8e061d297e66ca653d95e18b8da744464d7085d7a199c0a444753a82b6ff6503e142aec81be01b419323cdbe3709497738df74afa886d69fd63d SHA512 fc3b26e148ead7a07b4d1509909a42712a43b179da435b052c26a237b0d2ae88c3c8d76eaa93c415be1ed0f0b5fb55e0ad92f427a18d70bc9634a6e7d1b6a4d9
 DIST llvm-project-d5987fe324fcaedcea12914d6f9644cc5329f364.tar.gz 172157522 BLAKE2B 3c201380e727f7db53d61ff7c411b85aef8b17f086bca0cf3e758284a92a9ced298584e6f92ac6a35f30231d59c916bb98d41a8939f9b1103996c9e09df32ec2 SHA512 dff559b1518bbf9c469a2f4624ba9e83d81df2f08223afc696fa7f3dc9fe1c0d4a17346db8946fb56806e12aa7cbddda8df05b032ffe29dafd8a66c630de0016
 DIST llvm-project-e99edb92356b5ba078b5bc4d5846770414586a1d.tar.gz 171822327 BLAKE2B cdaa704c9f238f34751b92df92f8a767b1204f868dfd8a6f1eb3eeacaaf9c4b63c55a7c0534af124fddb65cf80263f72b79190696c8077e2990984a84a040f2a SHA512 37f45a56d6086df60c9832b75da3b2d78b8ec0fe094f07d41695f0565e4de0c13e460b1fef495864f07300d41f5b32769f0862b0fa5d53c0db9a0ccec1a09072
+DIST llvm-project-fb792ebaf2114ad11d673cf891ae560e2e604711.tar.gz 174312496 BLAKE2B dd7f30b911ef5049e9e2bff7b2768e31b48b1f4c7acaf159f535fe3deb5aa6630fdf7857c83fffcda1119a38a52101490d2b6cb41cb295bb7dd85cde0445b7ee SHA512 bef15e7d82a2faf8be24f784d3d34ff9b21c8f17256879587ea5471011a32a1eb885e1b020da55aa096f2e0b5fe4bcf9fe8f0f5b5d34f5f386c48899c68fb7d1
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
 EBUILD llvm-common-13.0.1.ebuild 607 BLAKE2B 01e55167e8a1a1568105090883f42c0c56c496eaa3ae179d1e44acd1d2f59977a6ce0d4d9c5bbbec38df5afc5cce7aff77a38c1618d415f431c4a413ea90bbf1 SHA512 4a5370e4e43bc5268ab32bcf4ae328890aeeab293da8fe74f3b52504ce57e5adc36de5240ff91e54a35f1f48840df7d821fd94600b1193c676c55590379bb8fe
 EBUILD llvm-common-14.0.6.ebuild 602 BLAKE2B ef26d6ac2606e9a316ddcce442da1762f578ade0346ba2a947fdace5e2020e8841c63d173e42506d23abf6efc062a2edfac0be98a3eefe1f7a29c88702e9f1d5 SHA512 789dad6fdcf9a930ddc1046e7e98ebc1e05b2dd3713bb1ec5b8a5711690d779691c91d1000d9776720b21ed241d2f12c0ae9a8dba0e6a17d0ddf563cdfbe657f
 EBUILD llvm-common-15.0.5.ebuild 601 BLAKE2B e5a531d1e1eb3661b733929eaecb7fcd3dff95e45446d9e2e43c014f448e9f6e63eb094129eb4868a5bc7971ff765407ec6ba105701dcd74b54bc7444717fa62 SHA512 12f1fa449c775231a09b565e0042746add141c16925cf460527a1ca1201281563911e00217793a64dd808bf5c20c4f3bee9a38f11b937804470c19b03fed0ac5
 EBUILD llvm-common-15.0.6.9999.ebuild 524 BLAKE2B 1864e7c6a8578fe3ad74718368deca408757c501726fd3a2941087756f50bbf9ed83a6a635ef264150c86b577f373b5d391df4cbc6ff3e3e6a561bcc41b2c5f1 SHA512 feab4cb373d2384ce018d26b480024060b89c6a5475e7e7d475124b9a20a2c55470d98799067c437540b6ec6e7471f712534005ec426f76a247b8767edff6164
-EBUILD llvm-common-15.0.6.ebuild 607 BLAKE2B 8a7e03cff92870e15dcceafd59947b37e7076d4e32acafbfe8cdf80b74a00342355eab5f3249af6ecd028654ac1affd35de5d12bd5d4d702115d412a5130b2d7 SHA512 d1f6902daa42e33957abbbd6aea766d4bb76ef4d6632693f94ed613e770fd59a0aa4282b9b4a6ed75c12df0dee954cd45efe54782bc6e12e1779f6d41f3d5056
+EBUILD llvm-common-15.0.6.ebuild 606 BLAKE2B 831983952073003ab26566b9d6d0405d10d21cb8c925333b7808ebfac12d50bbcd708f9baec34e4f952e561e890b69d1fbde2c08fd7a4a3adeb60431c1008019 SHA512 78931db6d65af5b8609e52e96dfe4e1e6ff745050b5962ae14c0abfcd6481497dae0094d1da35a71686d1626987f7ec21033f5a14fa8f5bbe5cc7c51d80f6505
 EBUILD llvm-common-16.0.0.9999.ebuild 524 BLAKE2B 1864e7c6a8578fe3ad74718368deca408757c501726fd3a2941087756f50bbf9ed83a6a635ef264150c86b577f373b5d391df4cbc6ff3e3e6a561bcc41b2c5f1 SHA512 feab4cb373d2384ce018d26b480024060b89c6a5475e7e7d475124b9a20a2c55470d98799067c437540b6ec6e7471f712534005ec426f76a247b8767edff6164
 EBUILD llvm-common-16.0.0_pre20221126.ebuild 530 BLAKE2B 006dd37bb215961550b533dbe6e2b8b72451bef5cb73579ea1f865732ce1b2667c446391b05eda5af61bcd90530a15e8b40adf3435f20e016e50f81acd76d7c3 SHA512 b6cb45020ce26ca2666e841467ac1206d58c3cc628a3c68d4cf57ce5da2497609a55a0546e987562893f66d6636d3d24a466475bd075edc3c0255b2d0aa24178
 EBUILD llvm-common-16.0.0_pre20221205.ebuild 530 BLAKE2B 006dd37bb215961550b533dbe6e2b8b72451bef5cb73579ea1f865732ce1b2667c446391b05eda5af61bcd90530a15e8b40adf3435f20e016e50f81acd76d7c3 SHA512 b6cb45020ce26ca2666e841467ac1206d58c3cc628a3c68d4cf57ce5da2497609a55a0546e987562893f66d6636d3d24a466475bd075edc3c0255b2d0aa24178
 EBUILD llvm-common-16.0.0_pre20221210.ebuild 530 BLAKE2B 006dd37bb215961550b533dbe6e2b8b72451bef5cb73579ea1f865732ce1b2667c446391b05eda5af61bcd90530a15e8b40adf3435f20e016e50f81acd76d7c3 SHA512 b6cb45020ce26ca2666e841467ac1206d58c3cc628a3c68d4cf57ce5da2497609a55a0546e987562893f66d6636d3d24a466475bd075edc3c0255b2d0aa24178
+EBUILD llvm-common-16.0.0_pre20221217.ebuild 530 BLAKE2B 006dd37bb215961550b533dbe6e2b8b72451bef5cb73579ea1f865732ce1b2667c446391b05eda5af61bcd90530a15e8b40adf3435f20e016e50f81acd76d7c3 SHA512 b6cb45020ce26ca2666e841467ac1206d58c3cc628a3c68d4cf57ce5da2497609a55a0546e987562893f66d6636d3d24a466475bd075edc3c0255b2d0aa24178
 MISC metadata.xml 299 BLAKE2B 2feead2cd1b35b3a43335ddd7711f8181b52bc63ee7166608914260c67528add5251349063afbef4f8cf0ec09b2cd4c3ffdd90f2c14ed60bb69ebc03888f6333 SHA512 cd745c54ab18d25bdaff18582105072574103a36cfe7c175ef740f266d00e9fc6f44c332904d23b911c939cf5bdf52973b388923099d8dd5dfef3c283b5cb685
diff --git a/sys-devel/llvm-common/llvm-common-15.0.6.ebuild b/sys-devel/llvm-common/llvm-common-15.0.6.ebuild
index d5cd3e358e82..97996325cb87 100644
--- a/sys-devel/llvm-common/llvm-common-15.0.6.ebuild
+++ b/sys-devel/llvm-common/llvm-common-15.0.6.ebuild
@@ -10,7 +10,7 @@ HOMEPAGE="https://llvm.org/"
 
 LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
 SLOT="0"
-KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+KEYWORDS="amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
 
 RDEPEND="
 	!sys-devel/llvm:0
diff --git a/sys-devel/llvm-common/llvm-common-16.0.0_pre20221217.ebuild b/sys-devel/llvm-common/llvm-common-16.0.0_pre20221217.ebuild
new file mode 100644
index 000000000000..80430a85b696
--- /dev/null
+++ b/sys-devel/llvm-common/llvm-common-16.0.0_pre20221217.ebuild
@@ -0,0 +1,28 @@
+# Copyright 1999-2022 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="~loong"
+
+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 64d16bc1714c..bd944e426f7d 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -16,14 +16,16 @@ DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257
 DIST llvm-project-959c9cc7acf4d0aa433f2436e2a45b782e18022a.tar.gz 171575300 BLAKE2B 090d41a8913f8e061d297e66ca653d95e18b8da744464d7085d7a199c0a444753a82b6ff6503e142aec81be01b419323cdbe3709497738df74afa886d69fd63d SHA512 fc3b26e148ead7a07b4d1509909a42712a43b179da435b052c26a237b0d2ae88c3c8d76eaa93c415be1ed0f0b5fb55e0ad92f427a18d70bc9634a6e7d1b6a4d9
 DIST llvm-project-d5987fe324fcaedcea12914d6f9644cc5329f364.tar.gz 172157522 BLAKE2B 3c201380e727f7db53d61ff7c411b85aef8b17f086bca0cf3e758284a92a9ced298584e6f92ac6a35f30231d59c916bb98d41a8939f9b1103996c9e09df32ec2 SHA512 dff559b1518bbf9c469a2f4624ba9e83d81df2f08223afc696fa7f3dc9fe1c0d4a17346db8946fb56806e12aa7cbddda8df05b032ffe29dafd8a66c630de0016
 DIST llvm-project-e99edb92356b5ba078b5bc4d5846770414586a1d.tar.gz 171822327 BLAKE2B cdaa704c9f238f34751b92df92f8a767b1204f868dfd8a6f1eb3eeacaaf9c4b63c55a7c0534af124fddb65cf80263f72b79190696c8077e2990984a84a040f2a SHA512 37f45a56d6086df60c9832b75da3b2d78b8ec0fe094f07d41695f0565e4de0c13e460b1fef495864f07300d41f5b32769f0862b0fa5d53c0db9a0ccec1a09072
+DIST llvm-project-fb792ebaf2114ad11d673cf891ae560e2e604711.tar.gz 174312496 BLAKE2B dd7f30b911ef5049e9e2bff7b2768e31b48b1f4c7acaf159f535fe3deb5aa6630fdf7857c83fffcda1119a38a52101490d2b6cb41cb295bb7dd85cde0445b7ee SHA512 bef15e7d82a2faf8be24f784d3d34ff9b21c8f17256879587ea5471011a32a1eb885e1b020da55aa096f2e0b5fe4bcf9fe8f0f5b5d34f5f386c48899c68fb7d1
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
 EBUILD llvm-13.0.1.ebuild 12006 BLAKE2B 06535b1c0f568959b526a1e198361a8db46bea1ec37bf694438b0c0721741f61b340460d383f0693bcc45a27004c2ae6342c5fb97a2f276e9f7b2a160dbf90f1 SHA512 9c3f6c38f672bb1d8edba76e689fc567c797fa8d2410d7924b6121527e85709bf66f8ef5f475f9d0632b06b4da211c3ba6a9825c92fb6914b76bb06e93f19a5c
 EBUILD llvm-14.0.6-r2.ebuild 12381 BLAKE2B 736afa7fbf7321ce4370e892075e716e6efb23981b4e9d235d60784c7548c6b62590527753e2752f80b4a4eafc04096fbd6ec5b8efbba88de08f322262361eda SHA512 1c800cea06768c48fe7c0944e4b4c9227f11ffbf9605ca52e487646385eeeaab5acca8aaba0e66b21b2939505533f562fe40ac5b23533adf0e42898e163a9620
 EBUILD llvm-15.0.5.ebuild 12536 BLAKE2B 857d7c1fbf7ed1963aff58933f8370c4f8d927c123be5b23943e7330f4b28057904caec9991043411e76a63926282fbd907aa112fbd8adf7f352c5a2434e3206 SHA512 3b054ea539972bdb8757fb6c63c2a6ed5d3bd4ca6236d2670483dd67d6158edb6d03bce390f5ed88bfff121de9b354146f5dd34f13f7ce1e39c281a7951c2d02
 EBUILD llvm-15.0.6.9999.ebuild 12457 BLAKE2B 52496ac8ef1cb0d61f1f7c6dc5b3db0a0778d841ad67c983c140b0c7858125bd34bdbab31fd1862e5b6c6eca4554764dd1dd2422268ef485c6ee8ecf8fcf3c57 SHA512 0e4e356633dc5d9660e0d440f74ef709ebf88919cec1cb2f317c3744000e8db25e0036be3404a01dd8817ff8e77c64f95c38a27c8cd8e9445e7f037a0a8a5f7b
-EBUILD llvm-15.0.6.ebuild 12542 BLAKE2B 82254624482027995506b702ea6276d07c777426662661145f90f29765d9ad92b07d1a1fba7e65571d38de73c105ec14e5325409fa4dc3918c0bd5f9f776b058 SHA512 86717efad6d0ffa07c7693a8d204eddbf1572a5754317e922a67126f971b9e2e5c94ab0cc558d46bcb4b82c8e45e18f58fa1884499223f4b837d7af73c61b61c
+EBUILD llvm-15.0.6.ebuild 12541 BLAKE2B c2db6e18e43722ae466e91cd2336fff3cb3c9d4fe9e7bc4d558e561407f11501ef5c7888c14858406aa8bec0625bc7b47a4d5e523161d8569f4bae0a55be1ef2 SHA512 163ee968338010e7c7eaa335a8aa1ab3a659a721206e56675283f2531b106886bc9767327269db017bf942d4d25c22bb8fa396925a16077f7c02e2a70b4f1dbd
 EBUILD llvm-16.0.0.9999.ebuild 12584 BLAKE2B 54adab5484a93dcea378220dbeea3cc461be770e5a6484bfae3c5bef0866ebb42c1c3996244a02789fa76ecd7fd9dcb81b6c186389cba34b6be584af47a4f98d SHA512 cb1d3a09c4d3745b18a718e3d497f72b563726db4badeaf24a87972c3ac8be5021a00be98ec1f49cac33ac0e4915386e2c62c614c37665d0d7109bed510a7cba
 EBUILD llvm-16.0.0_pre20221126.ebuild 12590 BLAKE2B 16512fc7c4eb6c9aa1997883e9ebc637f443339b4bf742dc1e802b84d47dc833d9f63c15bb7be7eb835f869d8f5cdb99390953be8e7bcf468b8e118f354a3a77 SHA512 3ef9826bad76a4439bc65bdbdba5c37de8ab6b49f4451b7a2c146fadb56fccd3bf2885bfb065616b422504ee0b05098083db0f30e38ef2ea4b43539b7347b545
 EBUILD llvm-16.0.0_pre20221205.ebuild 12590 BLAKE2B 16512fc7c4eb6c9aa1997883e9ebc637f443339b4bf742dc1e802b84d47dc833d9f63c15bb7be7eb835f869d8f5cdb99390953be8e7bcf468b8e118f354a3a77 SHA512 3ef9826bad76a4439bc65bdbdba5c37de8ab6b49f4451b7a2c146fadb56fccd3bf2885bfb065616b422504ee0b05098083db0f30e38ef2ea4b43539b7347b545
 EBUILD llvm-16.0.0_pre20221210.ebuild 12590 BLAKE2B 16512fc7c4eb6c9aa1997883e9ebc637f443339b4bf742dc1e802b84d47dc833d9f63c15bb7be7eb835f869d8f5cdb99390953be8e7bcf468b8e118f354a3a77 SHA512 3ef9826bad76a4439bc65bdbdba5c37de8ab6b49f4451b7a2c146fadb56fccd3bf2885bfb065616b422504ee0b05098083db0f30e38ef2ea4b43539b7347b545
+EBUILD llvm-16.0.0_pre20221217.ebuild 12590 BLAKE2B 16512fc7c4eb6c9aa1997883e9ebc637f443339b4bf742dc1e802b84d47dc833d9f63c15bb7be7eb835f869d8f5cdb99390953be8e7bcf468b8e118f354a3a77 SHA512 3ef9826bad76a4439bc65bdbdba5c37de8ab6b49f4451b7a2c146fadb56fccd3bf2885bfb065616b422504ee0b05098083db0f30e38ef2ea4b43539b7347b545
 MISC metadata.xml 2654 BLAKE2B c27983265b6c9b33200ee42565648f30a6cc9c51be53a1cb82a3353d7c1f7aa9c9501c58254280c2880ff2d4992b4834e4b5e2f1c9b1c60e9b21945f234b9973 SHA512 b331d9186908762907f5713b00e357785b62afbee83afefac8701beb1a20f7ebd68df4a030bb82c6f9164719d4ccfcaf16c189833ad40e9f5900c36247d9cff2
diff --git a/sys-devel/llvm/llvm-15.0.6.ebuild b/sys-devel/llvm/llvm-15.0.6.ebuild
index d1345b1d2ed5..e48bc7e27f16 100644
--- a/sys-devel/llvm/llvm-15.0.6.ebuild
+++ b/sys-devel/llvm/llvm-15.0.6.ebuild
@@ -18,7 +18,7 @@ HOMEPAGE="https://llvm.org/"
 
 LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA BSD public-domain rc"
 SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
-KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+KEYWORDS="amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
 IUSE="
 	+binutils-plugin debug doc exegesis libedit +libffi ncurses test xar
 	xml z3 zstd
diff --git a/sys-devel/llvm/llvm-16.0.0_pre20221217.ebuild b/sys-devel/llvm/llvm-16.0.0_pre20221217.ebuild
new file mode 100644
index 000000000000..5102c71fb739
--- /dev/null
+++ b/sys-devel/llvm/llvm-16.0.0_pre20221217.ebuild
@@ -0,0 +1,524 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+inherit cmake llvm.org multilib-minimal pax-utils python-any-r1 \
+	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="~loong"
+IUSE="
+	+binutils-plugin debug doc exegesis libedit +libffi ncurses test xar
+	xml z3 zstd
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	sys-libs/zlib:0=[${MULTILIB_USEDEP}]
+	binutils-plugin? ( >=sys-devel/binutils-2.31.1-r4:*[plugins] )
+	exegesis? ( dev-libs/libpfm:= )
+	libedit? ( dev-libs/libedit:0=[${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-${LLVM_MAJOR} )
+"
+
+LLVM_COMPONENTS=( llvm cmake )
+LLVM_TEST_COMPONENTS=( third-party )
+LLVM_MANPAGES=1
+LLVM_USE_TARGETS=provide
+llvm.org_set_globals
+
+python_check_deps() {
+	use doc || return 0
+
+	python_has_version -b "dev-python/recommonmark[${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 ${l} in
+					# shared libs
+					LLVM|LLVMgold)
+						;;
+					# TableGen lib + deps
+					LLVMDemangle|LLVMSupport|LLVMTableGen)
+						;;
+					# static libs
+					LLVM*)
+						continue
+						;;
+					# meta-targets
+					distribution|llvm-libraries)
+						continue
+						;;
+					# used only w/ USE=doc
+					docs-llvm-html)
+						use doc || continue
+						;;
+				esac
+
+				all_targets+=( "${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
+	)
+
+	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
+			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
+		)
+	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="${LLVM_TARGETS// /;}"
+		-DLLVM_INCLUDE_BENCHMARKS=OFF
+		-DLLVM_INCLUDE_TESTS=$(usex test)
+		-DLLVM_BUILD_TESTS=$(usex test)
+
+		-DLLVM_ENABLE_FFI=$(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=$(usex exegesis)
+		-DLLVM_ENABLE_Z3_SOLVER=$(usex z3)
+		-DLLVM_ENABLE_ZSTD=$(usex zstd)
+
+		-DLLVM_HOST_TRIPLE="${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
+
+	if tc-is-cross-compiler; then
+		local tblgen="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/llvm-tblgen"
+		[[ -x "${tblgen}" ]] \
+			|| die "${tblgen} not found or usable"
+		mycmakeargs+=(
+			-DCMAKE_CROSSCOMPILING=ON
+			-DLLVM_TABLEGEN="${tblgen}"
+		)
+	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}$" \
+			CMakeCache.txt ||
+		die "Incorrect version, did you update _LLVM_MASTER_MAJOR?"
+	multilib_is_native_abi && check_distribution_components
+}
+
+multilib_src_compile() {
+	cmake_build distribution
+
+	pax-mark m "${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)"
+}