gentoo auto-resync : 13:10:2023 - 18:18:15

author: V3n3RiX <venerix@koprulu.sector> 2023-10-13 18:18:15 +0100
committer: V3n3RiX <venerix@koprulu.sector> 2023-10-13 18:18:15 +0100
commit: b8330d80ce605a72596ccfa1bfc087b9ded559b8 (patch)
tree: 209587b26d39505ff0a0c21c2f20ef51652688e9 /sys-devel
parent: 41c2683a5cfac2bd3280dc5d5aaed73b6c377bcf (diff)
23 files changed, 1529 insertions, 112 deletions
diff --git a/sys-devel/Manifest.gz b/sys-devel/Manifest.gz
index d24860f6346d..fe06a19e8bc7 100644
--- a/sys-devel/Manifest.gz
+++ b/sys-devel/Manifest.gz
diff --git a/sys-devel/automake/Manifest b/sys-devel/automake/Manifest
index c881fd1c30b6..0890b010ce31 100644
--- a/sys-devel/automake/Manifest
+++ b/sys-devel/automake/Manifest
@@ -6,7 +6,6 @@ AUX automake-1.16.2-fix-py-compile-basedir.sh-test.patch 985 BLAKE2B 9a07629d107
 AUX automake-1.16.2-py3-compile.patch 2412 BLAKE2B 20a3ce66047ad5106f0cafccce19fc8acd47ee0ba01882d1ff18c1a15592ef68b9c3debb61df78a31f238938a93ca4dc281b358b588727864673b09b11167131 SHA512 3bb9769d37b02e89373612752f127c582f948347a6f54e8b24dba262e14ca860e8fa507d96c0d51f0d64587371b9da17eb270dd5b7695091181731e35e5b9c2d
 DIST automake-1.11.6.tar.xz 1092908 BLAKE2B 17254d81d6920c32aa877b6c892025de8e4060b8bcbe50fff841ada513dd462ddde8fc6838b4976098a812f8fda047e7186cb62cea8175df615dde75a9959144 SHA512 6e4cdf69f07734954f770fd4a7211a8c9dc69fe25a7746bd3c1e01d3139c94cab2900399e87371548833e99687e0d2b59c5e746ab2fdfbc7d47f2c1d439137ba
 DIST automake-1.16.5.tar.xz 1601740 BLAKE2B 87408abc57e1d4317a2b518fb3606d0f6d156522e7333016dd84747cd8922f27ef7fcc93220b11f794ce52bf8fd9a788d0166a4d1964d7c283905f269977ac7c SHA512 3084ae543aa3fb5a05104ffb2e66cfa9a53080f2343c44809707fd648516869511500dba50dae67ff10f92a1bf3b5a92b2a0fa01cda30adb69b9da03994d9d88
-EBUILD automake-1.11.6-r3.ebuild 2642 BLAKE2B 34435da703ff118a97ea881c954f977d1c727ad4c71678710fb240ee3458edf4e067f428f3f797740fe71c9105a27887723c6b8647a69365fa8eb962ab697cad SHA512 32b5ff2529c6eb0fa504e38ef88a2024640fbcfad82bee266eb99360a106816df653b8db541d44759771c91af9703dd8cb608d6cd9bfdebac524740c5618aad9
 EBUILD automake-1.11.6-r4.ebuild 2194 BLAKE2B eb4087988daa9cb5820fca226b1921c4531db3f178345759cf30bc1b6e2f09d92c89b241c96a06b2601a1abe8e3047672170d5fc7897d7a59046ddbd205efdda SHA512 734c03975ea3ef88c43e97016a42032595445b9b2c0f7b221650a55f60f21d05309709cbbe9040625e922695f8cd3cea478c9d44544f8f44ef7710b3511ef5b2
 EBUILD automake-1.16.5-r1.ebuild 3086 BLAKE2B df42f21de304c5a786265e6b8a7833faa0b600fcacabf23886a1aca6c9b6ae8af620c1bb865b0ea633364bad7e28494e8c82d21d23f325892450fe2fbe71c39b SHA512 0285faa8b41dd0cf97bb8a6a67ebbe4e5052e3268cafbfd62ebf8e5e520c271d2ef1f0dad3d4f3237001bcea41b6ae4844243ee22aa50bc46221535003bf3cd3
 EBUILD automake-1.16.5.ebuild 3531 BLAKE2B 4c1f6fe7f34b12f26169754c0be0e871d6463611b34c12a1b3d2c795289922e631979d4a963a78680a09a06ae253fda98564e5dc779adab19b07e73466c62eaf SHA512 f95c987772420e240dd48dadcddd2e008f4d626bc37c8e29a81a57cba47516e6d2dea149a360b803c8236dee287503e39c40f0d6b6ae472a64d16fb05b786211
diff --git a/sys-devel/automake/automake-1.11.6-r3.ebuild b/sys-devel/automake/automake-1.11.6-r3.ebuild
deleted file mode 100644
index 40500353a26f..000000000000
--- a/sys-devel/automake/automake-1.11.6-r3.ebuild
+++ /dev/null
@@ -1,105 +0,0 @@
-# Copyright 1999-2023 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-DESCRIPTION="Used to generate Makefile.in from Makefile.am"
-HOMEPAGE="https://www.gnu.org/software/automake/"
-SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
-
-LICENSE="GPL-2"
-# Use Gentoo versioning for slotting.
-SLOT="${PV:0:4}"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~arm64-macos"
-IUSE="test"
-RESTRICT="test !test? ( test )"
-
-RDEPEND="
-	>=dev-lang/perl-5.6
-	>=sys-devel/automake-wrapper-10
-	>=sys-devel/autoconf-2.69:*
-	sys-devel/gnuconfig
-"
-DEPEND="
-	${RDEPEND}
-	sys-apps/help2man
-"
-BDEPEND="
-	app-arch/gzip
-	test? ( dev-util/dejagnu )
-"
-
-PATCHES=(
-	"${FILESDIR}"/${PN}-1.10-perl-5.16.patch #424453
-	"${FILESDIR}"/${PN}-1.11-install-sh-avoid-low-risk-race-in-tmp.patch
-	"${FILESDIR}"/${PN}-1.13-perl-escape-curly-bracket-r1.patch
-)
-
-src_prepare() {
-	default
-	export WANT_AUTOCONF=2.5
-	export HELP2MAN=true
-	sed -i -e "/APIVERSION=/s:=.*:=${SLOT}:" configure || die
-	export TZ="UTC"  #589138
-}
-
-src_compile() {
-	default
-
-	local x
-	for x in aclocal automake; do
-		help2man "perl -Ilib ${x}" > doc/${x}-${SLOT}.1
-	done
-}
-
-# slot the info pages.  do this w/out munging the source so we don't have
-# to depend on texinfo to regen things.  #464146 (among others)
-slot_info_pages() {
-	pushd "${ED}"/usr/share/info >/dev/null || die
-	rm -f dir || die
-
-	# Rewrite all the references to other pages.
-	# before: * aclocal-invocation: (automake)aclocal Invocation.   Generating aclocal.m4.
-	# after:  * aclocal-invocation v1.13: (automake-1.13)aclocal Invocation.   Generating aclocal.m4.
-	local p pages=( *.info ) args=()
-	for p in "${pages[@]/%.info}" ; do
-		args+=(
-			-e "/START-INFO-DIR-ENTRY/,/END-INFO-DIR-ENTRY/s|: (${p})| v${SLOT}&|"
-			-e "s:(${p}):(${p}-${SLOT}):g"
-		)
-	done
-	sed -i "${args[@]}" * || die
-
-	# Rewrite all the file references, and rename them in the process.
-	local f d
-	for f in * ; do
-		d=${f/.info/-${SLOT}.info}
-		mv "${f}" "${d}" || die
-		sed -i -e "s:${f}:${d}:g" * || die
-	done
-
-	popd >/dev/null || die
-}
-
-src_install() {
-	default
-	slot_info_pages
-
-	rm \
-		"${ED}"/usr/bin/{aclocal,automake} \
-		"${ED}"/usr/share/man/man1/{aclocal,automake}.1 || die
-
-	# remove all config.guess and config.sub files replacing them
-	# w/a symlink to a specific gnuconfig version
-	local x
-	for x in guess sub ; do
-		dosym ../gnuconfig/config.${x} \
-			/usr/share/${PN}-${SLOT}/config.${x}
-	done
-
-	# Avoid QA message about pre-compressed file in docs
-	local tarfile="${ED}/usr/share/doc/${PF}/amhello-1.0.tar.gz"
-	if [[ -f "${tarfile}" ]] ; then
-	gunzip "${tarfile}" || die
-	fi
-}
diff --git a/sys-devel/clang-common/Manifest b/sys-devel/clang-common/Manifest
index 231134e48e24..8b421d7d86db 100644
--- a/sys-devel/clang-common/Manifest
+++ b/sys-devel/clang-common/Manifest
@@ -9,15 +9,17 @@ DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b
 DIST llvm-project-17.0.2.src.tar.xz 127833708 BLAKE2B fa9e2e48ce1117063f5cef0aeef85ce84b99bd8fae23022572a6f016eff2ffbf8aab6250b0bdb6e0bbea1c4daf10cecceb18e80496260b5aa81086075d503e12 SHA512 4586224c3f547e8065fa4f0ca3629a1dfed868dfc372ab192d8b9384f0f74dc8cb27dcb6269dc4230202e6a524aae852d98b40fa02ed0393086a162387ea7659
 DIST llvm-project-17.0.2.src.tar.xz.sig 438 BLAKE2B 3ba5d7a09e9de3f38a6f7b5b771b08b1c4e96ea7eda948cfa679598d240fa5211fd37220fbe09e37682212b17fb71b8b5539475edb8ff46d9767054983f670cb SHA512 234276813e3f4b5ee9b1dc640a613fd2e60f1d659f4e089733278d08dd0e208ad37d4d64c9e1edd420b6b87e112458ecec5f76ed9a243c3023b0adbab19ab909
 DIST llvm-project-39fec5457c0925bd39f67f63fe17391584e08258.tar.gz 198361956 BLAKE2B 001b9d9b7997762dcce4f0b1deb94d41c3d840c178ba1e92208782e7e21fdc0041cde359051b2b1b1fc75526ff6504d3b9375ff873831350de359530c944a961 SHA512 b560e71c9855aff9fb5385f9fb30f63fbef074fd695e7cb31847192837a161bfe4808ceb09c514a676ae817616f15fb5a57d325aa9744eaac46b8f4b20b77a13
+DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
 DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD clang-common-14.0.6.ebuild 541 BLAKE2B 87b158e874cf600e23591a8095e0edb4d30d4482600ef8fe38984e9ba9559e6e2226107cd482f355d950392a6a452e1a8ae79d297d5afc3951a7f1c8f6227b5f SHA512 1bd0481468c278f131ec9f87243927b60a59752f4229450559bf8016e9599155a52593810fcdc1cf0aecd4aa1529e8df300d95123a53de18eb326152caafbbef
 EBUILD clang-common-15.0.7-r5.ebuild 5090 BLAKE2B 39974630209630607d10903585223df68cd809fb390fc9eb2a80c4235ce70ae21120083f8eaf749c769a93f738c4e971e31e978dd637a0b87d07260281db4b83 SHA512 6cb37a7eb373d300d165e851e3643fd35e11d78a6a88617b4a8c0063b83558d10d307c32861e9ba2d0ac902c1cd2069ece6bd1446e309a6753f13adf8cd8fa2c
 EBUILD clang-common-15.0.7-r7.ebuild 5462 BLAKE2B 098697c65115e672a1e878167997d820c93cad6a71c5a1dc17c731a031d37f20e50ef41e2f1d3238bc91065ba23bab5db4ab48e8274be9db3cb086ec6cdf7868 SHA512 7500bf0c4fde82b90aac68d09b95a49c241fae8b0d2340f7780e9baed1c85d855e45c4296a7daaa0b831a07f442e0be4faf6510a335fa5c979b3061e28fdb99d
 EBUILD clang-common-16.0.6-r2.ebuild 5523 BLAKE2B d1679b6e4b3f8430b9840c0e43e16d7deaf26990822c4754e906ece5451f142a201d70d8f9207ec461c9be4c28960811bb4c4f3f253c23d2c9abe5e3e66278e3 SHA512 8b9f63bbd13006f1c2e207ba889c3e4a03e8edd63b7c51d4bfa78bb10ccbb6f64636a0ccf2fde91abc43fed16b5c5993375a8bc6226315c80fb9fd3f2d0ebf14
 EBUILD clang-common-17.0.1.ebuild 7403 BLAKE2B 35f5e2902195de83791905633e996ae12bbe2b4611ddd300b4674e369cdeb823fbcf9258d765685fc9820999ba720b5c045b05c8f60c478873c5e4bada8ead29 SHA512 ae7f947ac7f8042ce120443c7ffbda45dabee3d089ba534243d3dd333e4f2c22fb720a8f12ff1cee5815fbcf4734ab68b50b82fa38e3edc5c0f8f080d9d4c87b
-EBUILD clang-common-17.0.2.9999.ebuild 7312 BLAKE2B f4b71b9e945ab3077cc6a878db875b42fe5af5eea1a60e440d32084ec50de0d86bcb68f4abda1316cf662a077e2f21330a88a7bc82e629c68062c7ebf6fa3ef6 SHA512 3072535b554289d422363d67c91416b54d007c0ff6f67b7311c558d14ab9201f02b71ad629c872db6fe44b648b44736c412bb6c63f495d4d4ab682f71ca919ea
 EBUILD clang-common-17.0.2.ebuild 7403 BLAKE2B 35f5e2902195de83791905633e996ae12bbe2b4611ddd300b4674e369cdeb823fbcf9258d765685fc9820999ba720b5c045b05c8f60c478873c5e4bada8ead29 SHA512 ae7f947ac7f8042ce120443c7ffbda45dabee3d089ba534243d3dd333e4f2c22fb720a8f12ff1cee5815fbcf4734ab68b50b82fa38e3edc5c0f8f080d9d4c87b
+EBUILD clang-common-17.0.3.9999.ebuild 7312 BLAKE2B f4b71b9e945ab3077cc6a878db875b42fe5af5eea1a60e440d32084ec50de0d86bcb68f4abda1316cf662a077e2f21330a88a7bc82e629c68062c7ebf6fa3ef6 SHA512 3072535b554289d422363d67c91416b54d007c0ff6f67b7311c558d14ab9201f02b71ad629c872db6fe44b648b44736c412bb6c63f495d4d4ab682f71ca919ea
 EBUILD clang-common-18.0.0.9999.ebuild 7315 BLAKE2B 00a7319ea073ee22b56e5299c97c083444fffaa8739fa420c79368fd5c6217c3333b616a7c347276797baef3a586069c879f08061cd01c2b73e222b779d74928 SHA512 6948e83aab799aec9835d11cbef96809cc0d4e9205a8b49770dab92ca0f9430989130e553ef56263dd5362e9419e7f2c1945987f538ebe212112b504fe04ff35
 EBUILD clang-common-18.0.0_pre20230925.ebuild 7315 BLAKE2B 00a7319ea073ee22b56e5299c97c083444fffaa8739fa420c79368fd5c6217c3333b616a7c347276797baef3a586069c879f08061cd01c2b73e222b779d74928 SHA512 6948e83aab799aec9835d11cbef96809cc0d4e9205a8b49770dab92ca0f9430989130e553ef56263dd5362e9419e7f2c1945987f538ebe212112b504fe04ff35
 EBUILD clang-common-18.0.0_pre20231002.ebuild 7315 BLAKE2B 00a7319ea073ee22b56e5299c97c083444fffaa8739fa420c79368fd5c6217c3333b616a7c347276797baef3a586069c879f08061cd01c2b73e222b779d74928 SHA512 6948e83aab799aec9835d11cbef96809cc0d4e9205a8b49770dab92ca0f9430989130e553ef56263dd5362e9419e7f2c1945987f538ebe212112b504fe04ff35
+EBUILD clang-common-18.0.0_pre20231013.ebuild 7315 BLAKE2B 00a7319ea073ee22b56e5299c97c083444fffaa8739fa420c79368fd5c6217c3333b616a7c347276797baef3a586069c879f08061cd01c2b73e222b779d74928 SHA512 6948e83aab799aec9835d11cbef96809cc0d4e9205a8b49770dab92ca0f9430989130e553ef56263dd5362e9419e7f2c1945987f538ebe212112b504fe04ff35
 MISC metadata.xml 735 BLAKE2B 12ea133df3d7eb9367a65e572ef91893e654d5b77caa27c66e4b5b41ba90ebc5e619eb78dfff2a67183d2c1cbfcf35fa903b2bb75604ce153d5cedfce5346e3c SHA512 8ed6b12d4f2aa1985897a8d81ce898dbc0d14ac222f3d0f259cbe80fbb8b2349dff7677627daeaf39a422f290200da4fac6348abc81c9e35da0ca73a11cfdd83
diff --git a/sys-devel/clang-common/clang-common-17.0.2.9999.ebuild b/sys-devel/clang-common/clang-common-17.0.3.9999.ebuild
index e3a7af989d05..e3a7af989d05 100644
--- a/sys-devel/clang-common/clang-common-17.0.2.9999.ebuild
+++ b/sys-devel/clang-common/clang-common-17.0.3.9999.ebuild
diff --git a/sys-devel/clang-common/clang-common-18.0.0_pre20231013.ebuild b/sys-devel/clang-common/clang-common-18.0.0_pre20231013.ebuild
new file mode 100644
index 000000000000..baa1dffade6a
--- /dev/null
+++ b/sys-devel/clang-common/clang-common-18.0.0_pre20231013.ebuild
@@ -0,0 +1,250 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit bash-completion-r1 llvm.org multilib
+
+DESCRIPTION="Common files shared between multiple slots of clang"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="0"
+KEYWORDS=""
+IUSE="
+	default-compiler-rt default-libcxx default-lld llvm-libunwind
+	hardened stricter
+"
+
+PDEPEND="
+	sys-devel/clang:*
+	default-compiler-rt? (
+		sys-devel/clang-runtime[compiler-rt]
+		llvm-libunwind? ( sys-libs/llvm-libunwind[static-libs] )
+		!llvm-libunwind? ( sys-libs/libunwind[static-libs] )
+	)
+	!default-compiler-rt? ( sys-devel/gcc )
+	default-libcxx? ( >=sys-libs/libcxx-${PV}[static-libs] )
+	!default-libcxx? ( sys-devel/gcc )
+	default-lld? ( sys-devel/lld )
+	!default-lld? ( sys-devel/binutils )
+"
+IDEPEND="
+	!default-compiler-rt? ( sys-devel/gcc-config )
+	!default-libcxx? ( sys-devel/gcc-config )
+"
+
+LLVM_COMPONENTS=( clang/utils )
+llvm.org_set_globals
+
+pkg_pretend() {
+	[[ ${CLANG_IGNORE_DEFAULT_RUNTIMES} ]] && return
+
+	local flag missing_flags=()
+	for flag in default-{compiler-rt,libcxx,lld}; do
+		if ! use "${flag}" && has_version "sys-devel/clang[${flag}]"; then
+			missing_flags+=( "${flag}" )
+		fi
+	done
+
+	if [[ ${missing_flags[@]} ]]; then
+		eerror "It seems that you have the following flags set on sys-devel/clang:"
+		eerror
+		eerror "  ${missing_flags[*]}"
+		eerror
+		eerror "The default runtimes are now set via flags on sys-devel/clang-common."
+		eerror "The build is being aborted to prevent breakage.  Please either set"
+		eerror "the respective flags on this ebuild, e.g.:"
+		eerror
+		eerror "  sys-devel/clang-common ${missing_flags[*]}"
+		eerror
+		eerror "or build with CLANG_IGNORE_DEFAULT_RUNTIMES=1."
+		die "Mismatched defaults detected between sys-devel/clang and sys-devel/clang-common"
+	fi
+}
+
+doclang_cfg() {
+	local triple="${1}"
+
+	local tool
+	for tool in ${triple}-clang{,++}; do
+		newins - "${tool}.cfg" <<-EOF
+			# This configuration file is used by ${tool} driver.
+			@gentoo-common.cfg
+			@gentoo-common-ld.cfg
+		EOF
+	done
+
+	newins - "${triple}-clang-cpp.cfg" <<-EOF
+		# This configuration file is used by the ${triple}-clang-cpp driver.
+		@gentoo-common.cfg
+	EOF
+
+	# Install symlinks for triples with other vendor strings since some
+	# programs insist on mangling the triple.
+	local vendor
+	for vendor in gentoo pc unknown; do
+		local vendor_triple="${triple%%-*}-${vendor}-${triple#*-*-}"
+		for tool in clang{,++,-cpp}; do
+			if [[ ! -f "${ED}/etc/clang/${vendor_triple}-${tool}.cfg" ]]; then
+				dosym "${triple}-${tool}.cfg" "/etc/clang/${vendor_triple}-${tool}.cfg"
+			fi
+		done
+	done
+}
+
+src_install() {
+	newbashcomp bash-autocomplete.sh clang
+
+	insinto /etc/clang
+	newins - gentoo-runtimes.cfg <<-EOF
+		# This file is initially generated by sys-devel/clang-runtime.
+		# It is used to control the default runtimes using by clang.
+
+		--rtlib=$(usex default-compiler-rt compiler-rt libgcc)
+		--unwindlib=$(usex default-compiler-rt libunwind libgcc)
+		--stdlib=$(usex default-libcxx libc++ libstdc++)
+		-fuse-ld=$(usex default-lld lld bfd)
+	EOF
+
+	newins - gentoo-gcc-install.cfg <<-EOF
+		# This file is maintained by gcc-config.
+		# It is used to specify the selected GCC installation.
+	EOF
+
+	newins - gentoo-common.cfg <<-EOF
+		# This file contains flags common to clang, clang++ and clang-cpp.
+		@gentoo-runtimes.cfg
+		@gentoo-gcc-install.cfg
+		@gentoo-hardened.cfg
+		# bug #870001
+		-include "${EPREFIX}/usr/include/gentoo/maybe-stddefs.h"
+	EOF
+
+	# clang-cpp does not like link args being passed to it when directly
+	# invoked, so use a separate configuration file.
+	newins - gentoo-common-ld.cfg <<-EOF
+		# This file contains flags common to clang and clang++
+		@gentoo-hardened-ld.cfg
+	EOF
+
+	# Baseline hardening (bug #851111)
+	newins - gentoo-hardened.cfg <<-EOF
+		# Some of these options are added unconditionally, regardless of
+		# USE=hardened, for parity with sys-devel/gcc.
+		-fstack-clash-protection
+		-fstack-protector-strong
+		-fPIE
+		-include "${EPREFIX}/usr/include/gentoo/fortify.h"
+	EOF
+
+	newins - gentoo-hardened-ld.cfg <<-EOF
+		# Some of these options are added unconditionally, regardless of
+		# USE=hardened, for parity with sys-devel/gcc.
+		-Wl,-z,relro
+	EOF
+
+	dodir /usr/include/gentoo
+
+	cat >> "${ED}/usr/include/gentoo/maybe-stddefs.h" <<-EOF || die
+	/* __has_include is an extension, but it's fine, because this is only
+	for Clang anyway. */
+	#if defined __has_include && __has_include (<stdc-predef.h>) && !defined(__GLIBC__)
+	# include <stdc-predef.h>
+	#endif
+	EOF
+
+	local fortify_level=$(usex hardened 3 2)
+	# We have to do this because glibc's headers warn if F_S is set
+	# without optimization and that would at the very least be very noisy
+	# during builds and at worst trigger many -Werror builds.
+	cat >> "${ED}/usr/include/gentoo/fortify.h" <<- EOF || die
+	#ifdef __clang__
+	# pragma clang system_header
+	#endif
+	#ifndef _FORTIFY_SOURCE
+	# if defined(__has_feature)
+	#  define __GENTOO_HAS_FEATURE(x) __has_feature(x)
+	# else
+	#  define __GENTOO_HAS_FEATURE(x) 0
+	# endif
+	#
+	# if defined(__STDC_HOSTED__) && __STDC_HOSTED__ == 1
+	#  define __GENTOO_NOT_FREESTANDING 1
+	# else
+	#  define __GENTOO_NOT_FREESTANDING 0
+	# endif
+	#
+	# if defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 && __GENTOO_NOT_FREESTANDING > 0
+	#  if !defined(__SANITIZE_ADDRESS__) && !__GENTOO_HAS_FEATURE(address_sanitizer) && !__GENTOO_HAS_FEATURE(memory_sanitizer)
+	#   define _FORTIFY_SOURCE ${fortify_level}
+	#  endif
+	# endif
+	# undef __GENTOO_HAS_FEATURE
+	# undef __GENTOO_NOT_FREESTANDING
+	#endif
+	EOF
+
+	if use hardened ; then
+		cat >> "${ED}/etc/clang/gentoo-hardened.cfg" <<-EOF || die
+			# Options below are conditional on USE=hardened.
+			-D_GLIBCXX_ASSERTIONS
+
+			# Analogue to GLIBCXX_ASSERTIONS
+			# https://libcxx.llvm.org/UsingLibcxx.html#assertions-mode
+			# https://libcxx.llvm.org/Hardening.html#using-hardened-mode
+			-D_LIBCPP_ENABLE_HARDENED_MODE=1
+		EOF
+
+		cat >> "${ED}/etc/clang/gentoo-hardened-ld.cfg" <<-EOF || die
+			# Options below are conditional on USE=hardened.
+			-Wl,-z,now
+		EOF
+	fi
+
+	if use stricter; then
+		newins - gentoo-stricter.cfg <<-EOF
+			# This file increases the strictness of older clang versions
+			# to match the newest upstream version.
+
+			# clang-16 defaults
+			-Werror=implicit-function-declaration
+			-Werror=implicit-int
+			-Werror=incompatible-function-pointer-types
+
+			# constructs banned by C2x
+			-Werror=deprecated-non-prototype
+
+			# deprecated but large blast radius
+			#-Werror=strict-prototypes
+		EOF
+
+		cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
+			@gentoo-stricter.cfg
+		EOF
+	fi
+
+	# We only install config files for supported ABIs because unprefixed tools
+	# might be used for crosscompilation where e.g. PIE may not be supported.
+	# See bug #912237 and bug #901247.
+	doclang_cfg "${CHOST}"
+
+	# Just ${CHOST} won't do due to bug #912685.
+	local abi
+	for abi in $(get_all_abis); do
+		local abi_chost=$(get_abi_CHOST "${abi}")
+		doclang_cfg "${abi_chost}"
+	done
+}
+
+pkg_preinst() {
+	if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc
+	then
+		local gcc_path=$(gcc-config --get-lib-path 2>/dev/null)
+		if [[ -n ${gcc_path} ]]; then
+			cat >> "${ED}/etc/clang/gentoo-gcc-install.cfg" <<-EOF
+				--gcc-install-dir="${gcc_path%%:*}"
+			EOF
+		fi
+	fi
+}
diff --git a/sys-devel/clang-runtime/Manifest b/sys-devel/clang-runtime/Manifest
index 76535052a4c0..94f985300c19 100644
--- a/sys-devel/clang-runtime/Manifest
+++ b/sys-devel/clang-runtime/Manifest
@@ -2,9 +2,10 @@ 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-17.0.1.ebuild 1442 BLAKE2B ccd97064b84899371758ceab7640d2b9a3104e08dccbefc5523062437cec1358ab68773b96bbc8193d8cd52a2bac65e6687cb150127d953aa49ab7f8cb3dbcea SHA512 9b8639788a2bfab9fea6e717e684c4784ae6719ce8d6bb389d16d836df0b43d108be6c649b9aa17dfa60df7b3f490450d4d51e83dd80707467a844871b97535e
-EBUILD clang-runtime-17.0.2.9999.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
 EBUILD clang-runtime-17.0.2.ebuild 1442 BLAKE2B ccd97064b84899371758ceab7640d2b9a3104e08dccbefc5523062437cec1358ab68773b96bbc8193d8cd52a2bac65e6687cb150127d953aa49ab7f8cb3dbcea SHA512 9b8639788a2bfab9fea6e717e684c4784ae6719ce8d6bb389d16d836df0b43d108be6c649b9aa17dfa60df7b3f490450d4d51e83dd80707467a844871b97535e
+EBUILD clang-runtime-17.0.3.9999.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
 EBUILD clang-runtime-18.0.0.9999.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
 EBUILD clang-runtime-18.0.0_pre20230925.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
 EBUILD clang-runtime-18.0.0_pre20231002.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
+EBUILD clang-runtime-18.0.0_pre20231013.ebuild 1351 BLAKE2B 2d30237a865c2abd5b7d2ae2c64167c82103d7abd4ff09b47f26348cac5aed3fe78da821b9d6f12cebdef2abb8c85f5a48834cba65e60091d787886bebaa29fb SHA512 5197003db8e6ed5292d5e07f171922600c9eed2a6c36c5b498b08a850e74376d88730a4c460c9b5456e9379460779ecc345ec824e513651b0985eb6fd6b6e8d1
 MISC metadata.xml 661 BLAKE2B 24688c511713ea102b83c71d226d519981b3aee0e05ef7a56d6a80be829efd843194e45cb4fd801f0bb976b6f1976386d6a2b05d2bc907fe2aa42b22b85b7d1f SHA512 2b5ab8783c90795f2e7d1673d876048ed9745f4911fb7a860df56deac13a6dfeba4581a84562eae54eff757c45042ca3fab75c7800313ae61df9ce69780a9294
diff --git a/sys-devel/clang-runtime/clang-runtime-17.0.2.9999.ebuild b/sys-devel/clang-runtime/clang-runtime-17.0.3.9999.ebuild
index c69faa0fbdd7..c69faa0fbdd7 100644
--- a/sys-devel/clang-runtime/clang-runtime-17.0.2.9999.ebuild
+++ b/sys-devel/clang-runtime/clang-runtime-17.0.3.9999.ebuild
diff --git a/sys-devel/clang-runtime/clang-runtime-18.0.0_pre20231013.ebuild b/sys-devel/clang-runtime/clang-runtime-18.0.0_pre20231013.ebuild
new file mode 100644
index 000000000000..c69faa0fbdd7
--- /dev/null
+++ b/sys-devel/clang-runtime/clang-runtime-18.0.0_pre20231013.ebuild
@@ -0,0 +1,40 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit multilib-build toolchain-funcs
+
+DESCRIPTION="Meta-ebuild for clang runtime libraries"
+HOMEPAGE="https://clang.llvm.org/"
+
+LICENSE="metapackage"
+SLOT="${PV%%.*}"
+KEYWORDS=""
+IUSE="+compiler-rt libcxx openmp +sanitize"
+REQUIRED_USE="sanitize? ( compiler-rt )"
+
+RDEPEND="
+	compiler-rt? (
+		~sys-libs/compiler-rt-${PV}:${SLOT}[abi_x86_32(+)?,abi_x86_64(+)?]
+		sanitize? (
+			~sys-libs/compiler-rt-sanitizers-${PV}:${SLOT}[abi_x86_32(+)?,abi_x86_64(+)?]
+		)
+	)
+	libcxx? ( >=sys-libs/libcxx-${PV}[${MULTILIB_USEDEP}] )
+	openmp? ( >=sys-libs/libomp-${PV}[${MULTILIB_USEDEP}] )
+"
+
+pkg_pretend() {
+	if tc-is-clang; then
+		ewarn "You seem to be using clang as a system compiler.  As of clang-16,"
+		ewarn "upstream has turned a few warnings that commonly occur during"
+		ewarn "configure script runs into errors by default.  This causes some"
+		ewarn "configure tests to start failing, sometimes resulting in silent"
+		ewarn "breakage, missing functionality or runtime misbehavior.  It is"
+		ewarn "not yet clear whether the change will remain or be reverted."
+		ewarn
+		ewarn "For more information, please see:"
+		ewarn "https://discourse.llvm.org/t/configure-script-breakage-with-the-new-werror-implicit-function-declaration/65213"
+	fi
+}
diff --git a/sys-devel/clang/Manifest b/sys-devel/clang/Manifest
index d93a76ac0496..a7b5d7e37cd0 100644
--- a/sys-devel/clang/Manifest
+++ b/sys-devel/clang/Manifest
@@ -18,6 +18,7 @@ DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b
 DIST llvm-project-17.0.2.src.tar.xz 127833708 BLAKE2B fa9e2e48ce1117063f5cef0aeef85ce84b99bd8fae23022572a6f016eff2ffbf8aab6250b0bdb6e0bbea1c4daf10cecceb18e80496260b5aa81086075d503e12 SHA512 4586224c3f547e8065fa4f0ca3629a1dfed868dfc372ab192d8b9384f0f74dc8cb27dcb6269dc4230202e6a524aae852d98b40fa02ed0393086a162387ea7659
 DIST llvm-project-17.0.2.src.tar.xz.sig 438 BLAKE2B 3ba5d7a09e9de3f38a6f7b5b771b08b1c4e96ea7eda948cfa679598d240fa5211fd37220fbe09e37682212b17fb71b8b5539475edb8ff46d9767054983f670cb SHA512 234276813e3f4b5ee9b1dc640a613fd2e60f1d659f4e089733278d08dd0e208ad37d4d64c9e1edd420b6b87e112458ecec5f76ed9a243c3023b0adbab19ab909
 DIST llvm-project-39fec5457c0925bd39f67f63fe17391584e08258.tar.gz 198361956 BLAKE2B 001b9d9b7997762dcce4f0b1deb94d41c3d840c178ba1e92208782e7e21fdc0041cde359051b2b1b1fc75526ff6504d3b9375ff873831350de359530c944a961 SHA512 b560e71c9855aff9fb5385f9fb30f63fbef074fd695e7cb31847192837a161bfe4808ceb09c514a676ae817616f15fb5a57d325aa9744eaac46b8f4b20b77a13
+DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
 DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD clang-14.0.6-r1.ebuild 12014 BLAKE2B 0f9eed7779a5b9aa8f92002f6f4d8e22e7baf3d3f6d1930e4716abf3aa00d866f68a682dc2a404655f53800e26c8b388da552184da6943287b2d91c5c1c2672b SHA512 c5e46f1044604f4e41cdb6c42d2079096c0bcdd396d99f8e95a6b5b66918e3519e4226741202f716fa5f53295188ec2bfcec66ae32480a8e10b4ab18bdb880ab
 EBUILD clang-14.0.6-r4.ebuild 11941 BLAKE2B 7465741c3d32f432aabc000ef1d1e78c4538bdcb11983bc5e665b95b349345cf96ceab8d797763532ccb10e8d9311f3699043e5d5aeca08974caca1bd378a275 SHA512 16011488cb74e0fd477cd6950a4742abb44444537de5c07ccb0dea1d19ae8d482b3f75b5e38777f382284994e8f615c8d71bbb6d768585390bdb4bbd365984cd
@@ -25,9 +26,10 @@ EBUILD clang-15.0.7-r1.ebuild 12617 BLAKE2B 780db8dc3c92efab35280d32f6b7d4ffcea9
 EBUILD clang-15.0.7-r3.ebuild 12548 BLAKE2B ee294ceb058c489007ebb5b9f6bfdbd8fe0f5f77d32c1f71f97aa29ae2bb8234df687a931bb88865f8c5684121623f288620e538e2778dfb8f4fb3f900d14c46 SHA512 0e31baf473cc77b213e0fd7b8e1817439d9f8c94130f388fbb49900306378491b4715a3eab533ffa94e88c91b7e8a9a9303371a73e564df8a5fb2b4319765c94
 EBUILD clang-16.0.6.ebuild 12462 BLAKE2B 532fbc03f98a4135371238de3f3d933ac321d4ecccb1e1ce2511563a6529a7bd55444dcdfa4b46140b4b592e1174d534be82e9b29fb1161522253e25c86f75fe SHA512 6e2dc62b7281caf5aa2378eb19f8c24023b62814be4f82e678ee8b98f92cc032de64d5feef0f29c7512aadb34a16b8f50e05a8eadc3bf6663f71504045ad3822
 EBUILD clang-17.0.1.ebuild 12145 BLAKE2B 6470f6623bba6514bc91dd71435414f8e337ac83242c3542fee07848a8e4f95c8c5b16922d2a617855068d970687f84c043da7e7c92164da17833717bf08f3fe SHA512 5853c832b8588ab2a0013dfb4060896eaad5a6d21d7516124d18f6b47ce635a998d3306f0b3ff5f6dcec2aaf27699a142dff6ecb6dfe04790ea10a054b84ac36
-EBUILD clang-17.0.2.9999.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 EBUILD clang-17.0.2.ebuild 12145 BLAKE2B 6470f6623bba6514bc91dd71435414f8e337ac83242c3542fee07848a8e4f95c8c5b16922d2a617855068d970687f84c043da7e7c92164da17833717bf08f3fe SHA512 5853c832b8588ab2a0013dfb4060896eaad5a6d21d7516124d18f6b47ce635a998d3306f0b3ff5f6dcec2aaf27699a142dff6ecb6dfe04790ea10a054b84ac36
+EBUILD clang-17.0.3.9999.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 EBUILD clang-18.0.0.9999.ebuild 12065 BLAKE2B 055b0b1a98d944b8faceaa0d7a248e80e82c94f33f41e48f05036272618eee2955d069ce830dbdfba66752ee353229c6591b29b49988789e477a5f399224c9ee SHA512 67a2a39da3ba0d3dbaa1b7496344e91aaccb73675dc142708102dc5c1658a3d48ad58f4d14d38202b5f7cd72ad5fcd2b76675b169b58bd1d38453b859ca5e3ae
 EBUILD clang-18.0.0_pre20230925.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 EBUILD clang-18.0.0_pre20231002.ebuild 12065 BLAKE2B 055b0b1a98d944b8faceaa0d7a248e80e82c94f33f41e48f05036272618eee2955d069ce830dbdfba66752ee353229c6591b29b49988789e477a5f399224c9ee SHA512 67a2a39da3ba0d3dbaa1b7496344e91aaccb73675dc142708102dc5c1658a3d48ad58f4d14d38202b5f7cd72ad5fcd2b76675b169b58bd1d38453b859ca5e3ae
+EBUILD clang-18.0.0_pre20231013.ebuild 12065 BLAKE2B 055b0b1a98d944b8faceaa0d7a248e80e82c94f33f41e48f05036272618eee2955d069ce830dbdfba66752ee353229c6591b29b49988789e477a5f399224c9ee SHA512 67a2a39da3ba0d3dbaa1b7496344e91aaccb73675dc142708102dc5c1658a3d48ad58f4d14d38202b5f7cd72ad5fcd2b76675b169b58bd1d38453b859ca5e3ae
 MISC metadata.xml 1600 BLAKE2B 8e49e099132445cf695e904acad8a699f3d8c4c1e4cd6ba9d0b97180dfa5b67e9c30b00d1e4cb6cd2f61b27f022accc8d6ee889c6569fc58fbc058186ad216fc SHA512 96b7cf4988ff1fd923ec87311caed458b64888b5acaaf20cc1ad893f2a963158f7f59398f9fd4f9e65cab3df265c0d002048ff874f7a76b94f36377bf9e8f5f6
diff --git a/sys-devel/clang/clang-17.0.2.9999.ebuild b/sys-devel/clang/clang-17.0.3.9999.ebuild
index aae7c602232c..aae7c602232c 100644
--- a/sys-devel/clang/clang-17.0.2.9999.ebuild
+++ b/sys-devel/clang/clang-17.0.3.9999.ebuild
diff --git a/sys-devel/clang/clang-18.0.0_pre20231013.ebuild b/sys-devel/clang/clang-18.0.0_pre20231013.ebuild
new file mode 100644
index 000000000000..7f28af23d564
--- /dev/null
+++ b/sys-devel/clang/clang-18.0.0_pre20231013.ebuild
@@ -0,0 +1,474 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit cmake llvm llvm.org multilib multilib-minimal
+inherit prefix python-single-r1 toolchain-funcs
+
+DESCRIPTION="C language family frontend for LLVM"
+HOMEPAGE="https://llvm.org/"
+
+# MSVCSetupApi.h: MIT
+# sorttable.js: MIT
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="+debug doc +extra ieee-long-double +pie +static-analyzer test xml"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~sys-devel/llvm-${PV}:${LLVM_MAJOR}=[debug=,${MULTILIB_USEDEP}]
+	static-analyzer? ( dev-lang/perl:* )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+"
+
+RDEPEND="
+	${PYTHON_DEPS}
+	${DEPEND}
+	>=sys-devel/clang-common-${PV}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	>=dev-util/cmake-3.16
+	doc? ( $(python_gen_cond_dep '
+		dev-python/myst-parser[${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/gcc/Manifest b/sys-devel/gcc/Manifest
index d4a72258c58e..e345ddf6caea 100644
--- a/sys-devel/gcc/Manifest
+++ b/sys-devel/gcc/Manifest
@@ -12,6 +12,7 @@ DIST gcc-11-20230824.tar.xz 76202120 BLAKE2B 243ce16e28c66d681bb27df32866947309f
 DIST gcc-11-20230921.tar.xz 76227940 BLAKE2B b086b35bc7192be078d08f6c9363a9b343f8d97a1bc781870796cf564b829febeccb5f94739fb14a88357f7f66530ff3c23f298eed9341ffb6927a5ac4a40546 SHA512 20fd7e680303a8328e9c017ab21dc3cab46fe5684a08bfc48a342ec4e95cc94675db2e450483499f126b2d5943e3ef8115287a5b4da8718b966c0ffe9f79b925
 DIST gcc-11-20230928.tar.xz 76217292 BLAKE2B d0c58f0e8e15a4efaa3faba9b83efdac9b96749836f776f2ef438cd0bcf74601e5d24b2c45e7edfb2cc44e5aee32c5a2b23c8efcb370e4cf902c98d930664157 SHA512 ddbc362d8b3177432886861da89e68b187deeaae7d40aa03881f8135931475ba688688fd3217d95dfb9d01d62a634808a04ab0a4c37f12332155bdabce459115
 DIST gcc-11-20231005.tar.xz 76222664 BLAKE2B f5671cdb01df00bd917f59ad33ac91a4904514ed25b9879e6c10cad15a86666709dd7ff9425ba99de45b811e3a1afde977a5683b6e9c8de91da8080f37dc9cce SHA512 4f0f0543655f398ea32c08f2b18be2430652ef3537b1d46ecbb9e522a7701bea2ffe04ed6fe6a179596a5f8da02fbd5fdc4758c6b9e8e2e9d9f0805383c4fc1e
+DIST gcc-11-20231012.tar.xz 76228876 BLAKE2B f48d440cefdad9eb021116b72ba41a7cb8b3af904abafb26bd49113f3bdaacbeab86f3d7a783130ea1a1f8c6556d1dc83b8176ae96973c524dc8606443e0be0a SHA512 7cae1a36a113e0184b1c10c7892a808a6ec38ecd4b1c482d589717c68474873093eebd68465694344ee1208d0e118f5d91b3a19f981da22dfa95ee86663572bb
 DIST gcc-11.4.0-musl-patches-2.tar.xz 4308 BLAKE2B a2335e155fc57816fed822a648e0eaefafcba9d04e1ad0fd7baeea5a694ab6f5e3c1678cb406f2a1bd17bab25cb01699d032713a1ccf337948dfda2093844607 SHA512 17b84f907cb1bd763873655e6f35fd3ed55a40b602b70a626f04f83b4cc89c6261db1661de78d4d969187a8c56e9f6305b742515a3836b962248a21df0df5d0c
 DIST gcc-11.4.0-patches-10.tar.xz 13852 BLAKE2B 54937d13e30e2a5303c7e197fae09eeed35ca0b9783625e02578fcee829b5503fb22d664366322b304df7d01ae807d00af7c93db3e3ceebe4851e15647724f87 SHA512 31b4d7a2e7cc589e92e12c3583d13d41c523cafbd309bc0532df9b68ea2473c89daef4c0edd3ce2917b5823d81a7792f145b9449f16277d0d64c22ceff50bbb9
 DIST gcc-11.4.0-patches-9.tar.xz 14704 BLAKE2B 9aa2ecbac493d3040694e9930738e57d59a764b90ab92b91709c319b883f28ad108767e5d11e8b62af40bf1e583d5ff83a03e8c895f904bc6f41315ce9ab4f0a SHA512 ac8b7c6c382ffacc4e9d08299440fc237fa366ec36fb8eb7a8d426b64a4186384a262e6380dc83ed7f7240125ce26a8435c8a4e0e13976ef2652067a7129bd17
@@ -48,6 +49,7 @@ EBUILD gcc-11.4.1_p20230824.ebuild 1614 BLAKE2B 76541d8ec0819f2ced3ac9ecc63b7f7f
 EBUILD gcc-11.4.1_p20230921.ebuild 1615 BLAKE2B af739962d08d8a4866104d8583cac167b027737353abf34be5c9c64f463ecf28c1d6eb67f210a39964779a7b2d0adc8e2e052aa15aace5499428f7082c99cdf2 SHA512 a175a89736344022b27199d4f36bb95914c2fdce49787a98bdcd798e6ab1a2d1e8d55769301950472999ba51fbf9bae9b86d3f9914964f361e9a9b526de74170
 EBUILD gcc-11.4.1_p20230928.ebuild 1615 BLAKE2B af739962d08d8a4866104d8583cac167b027737353abf34be5c9c64f463ecf28c1d6eb67f210a39964779a7b2d0adc8e2e052aa15aace5499428f7082c99cdf2 SHA512 a175a89736344022b27199d4f36bb95914c2fdce49787a98bdcd798e6ab1a2d1e8d55769301950472999ba51fbf9bae9b86d3f9914964f361e9a9b526de74170
 EBUILD gcc-11.4.1_p20231005.ebuild 1615 BLAKE2B af739962d08d8a4866104d8583cac167b027737353abf34be5c9c64f463ecf28c1d6eb67f210a39964779a7b2d0adc8e2e052aa15aace5499428f7082c99cdf2 SHA512 a175a89736344022b27199d4f36bb95914c2fdce49787a98bdcd798e6ab1a2d1e8d55769301950472999ba51fbf9bae9b86d3f9914964f361e9a9b526de74170
+EBUILD gcc-11.4.1_p20231012.ebuild 1615 BLAKE2B af739962d08d8a4866104d8583cac167b027737353abf34be5c9c64f463ecf28c1d6eb67f210a39964779a7b2d0adc8e2e052aa15aace5499428f7082c99cdf2 SHA512 a175a89736344022b27199d4f36bb95914c2fdce49787a98bdcd798e6ab1a2d1e8d55769301950472999ba51fbf9bae9b86d3f9914964f361e9a9b526de74170
 EBUILD gcc-11.5.9999.ebuild 1582 BLAKE2B a5b94704a65afc32a3079ad0732b544c03413a9f4965ccf1c2718fd763dc29b7a64e54b8cbb492d52e93527e3f0d4966d17eb6b6cb81fd609c6629d19f6b124d SHA512 bd165193f6ef2b12930bac05c8c3f75f6bafd143a13ed5c2960f7a1d8039608ca23ccbffe9a6b235d42c789d117e29cb3d47998c71a4a3eba30a63b8b9e0f116
 EBUILD gcc-12.3.1_p20230526.ebuild 1609 BLAKE2B a242d9a7eedbf244d1a43ec5d9f8e89e82e15fdfc2a0188dafcd5ee3050dd68e20cb765e06eeae92f1b4b965b9f678bd23786291d207984afe0365728f71a327 SHA512 a844ec1b656ade09280433231828e28bdfac9750e277fb5f7b2c905199f62d1f3d59c5c283706f8e80d8f8e5059a7529cd0b5a3c224a55b6e97faa335b8ebe74
 EBUILD gcc-12.3.1_p20230825.ebuild 1620 BLAKE2B 3866983ddc8c6811e00c12af0051e80bfc7f0651a5ef6ca4af9ee651e2efea89a095a616908cccdbac88d8c1baa5ba2eaba7ce7e94f9aae6ff3a56ff52bcd0c2 SHA512 81a426e6392a42d3a28eb6aa5a2de535771fdb87224eafb60ea369c902f27a42c8265565b354d4bbac8daa968849a20370c529c62c9367f0cf58756124d08e0b
diff --git a/sys-devel/gcc/gcc-11.4.1_p20231012.ebuild b/sys-devel/gcc/gcc-11.4.1_p20231012.ebuild
new file mode 100644
index 000000000000..02c58f02f0a6
--- /dev/null
+++ b/sys-devel/gcc/gcc-11.4.1_p20231012.ebuild
@@ -0,0 +1,64 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+TOOLCHAIN_PATCH_DEV="sam"
+PATCH_GCC_VER="11.4.0"
+PATCH_VER="10"
+MUSL_VER="2"
+MUSL_GCC_VER="11.4.0"
+
+if [[ ${PV} == *.9999 ]] ; then
+	MY_PV_2=$(ver_cut 2)
+	MY_PV_3=1
+	if [[ ${MY_PV_2} == 0 ]] ; then
+		MY_PV_2=0
+		MY_PV_3=0
+	else
+		MY_PV_2=$((${MY_PV_2} - 1))
+	fi
+
+	# e.g. 12.2.9999 -> 12.1.1
+	TOOLCHAIN_GCC_PV=$(ver_cut 1).${MY_PV_2}.${MY_PV_3}
+elif [[ -n ${TOOLCHAIN_GCC_RC} ]] ; then
+	# Cheesy hack for RCs
+	MY_PV=$(ver_cut 1).$((($(ver_cut 2) + 1))).$((($(ver_cut 3) - 1)))-RC-$(ver_cut 5)
+	MY_P=${PN}-${MY_PV}
+	GCC_TARBALL_SRC_URI="mirror://gcc/snapshots/${MY_PV}/${MY_P}.tar.xz"
+	TOOLCHAIN_SET_S=no
+	S="${WORKDIR}"/${MY_P}
+fi
+
+inherit toolchain
+
+if tc_is_live ; then
+	# Needs to be after inherit (for now?), bug #830908
+	EGIT_BRANCH=releases/gcc-$(ver_cut 1)
+elif [[ -z ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then
+	# Don't keyword live ebuilds
+	#KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+	:;
+fi
+
+if [[ ${CATEGORY} != cross-* ]] ; then
+	# Technically only if USE=hardened *too* right now, but no point in complicating it further.
+	# If GCC is enabling CET by default, we need glibc to be built with support for it.
+	# bug #830454
+	RDEPEND="elibc_glibc? ( sys-libs/glibc[cet(-)?] )"
+	DEPEND="${RDEPEND}"
+	BDEPEND=">=${CATEGORY}/binutils-2.30[cet(-)?]"
+fi
+
+src_prepare() {
+	local p upstreamed_patches=(
+		# add them here
+	)
+	for p in "${upstreamed_patches[@]}"; do
+		rm -v "${WORKDIR}/patch/${p}" || die
+	done
+
+	toolchain_src_prepare
+
+	eapply_user
+}
diff --git a/sys-devel/lld/Manifest b/sys-devel/lld/Manifest
index abb94d6bf59c..773fbb956cbb 100644
--- a/sys-devel/lld/Manifest
+++ b/sys-devel/lld/Manifest
@@ -10,14 +10,16 @@ DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b
 DIST llvm-project-17.0.2.src.tar.xz 127833708 BLAKE2B fa9e2e48ce1117063f5cef0aeef85ce84b99bd8fae23022572a6f016eff2ffbf8aab6250b0bdb6e0bbea1c4daf10cecceb18e80496260b5aa81086075d503e12 SHA512 4586224c3f547e8065fa4f0ca3629a1dfed868dfc372ab192d8b9384f0f74dc8cb27dcb6269dc4230202e6a524aae852d98b40fa02ed0393086a162387ea7659
 DIST llvm-project-17.0.2.src.tar.xz.sig 438 BLAKE2B 3ba5d7a09e9de3f38a6f7b5b771b08b1c4e96ea7eda948cfa679598d240fa5211fd37220fbe09e37682212b17fb71b8b5539475edb8ff46d9767054983f670cb SHA512 234276813e3f4b5ee9b1dc640a613fd2e60f1d659f4e089733278d08dd0e208ad37d4d64c9e1edd420b6b87e112458ecec5f76ed9a243c3023b0adbab19ab909
 DIST llvm-project-39fec5457c0925bd39f67f63fe17391584e08258.tar.gz 198361956 BLAKE2B 001b9d9b7997762dcce4f0b1deb94d41c3d840c178ba1e92208782e7e21fdc0041cde359051b2b1b1fc75526ff6504d3b9375ff873831350de359530c944a961 SHA512 b560e71c9855aff9fb5385f9fb30f63fbef074fd695e7cb31847192837a161bfe4808ceb09c514a676ae817616f15fb5a57d325aa9744eaac46b8f4b20b77a13
+DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
 DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD lld-14.0.6-r1.ebuild 2009 BLAKE2B 4db1dfc9b1997d31cc68240ae0b05afeae5a6b1cb24a0eb2012bc28b2ac8c0da4b532d270d070db5fd401717320a74b006628c19a12c787e2f9ba2dc24eb25b1 SHA512 73b2f0e7b27497ce9037cd10503b328378ff9a2e32cd36e6e264f5423cd05732da4ea2ef97b637fc344a4f3d5d3597c60dda29dba7eb509391c176d32d53a427
 EBUILD lld-15.0.7.ebuild 2262 BLAKE2B 8882ba45692d54840d8a5933910ade614427733f3da2e344cf4df2806c125a783ff3c6ad4a2f76fd577cb4787fe07495c93e981c03f116fa7f383575d59936f7 SHA512 9b08495f068a01e991d200363549d29e9146e8687b297fa06beda90da1da9a793b1ebf512c3dad9bb985518a8fd9d1d13049a90dd8f06d4bc3de97779ff8e6ed
 EBUILD lld-16.0.6.ebuild 2257 BLAKE2B 2e373b90d8ae4ed4131b05eaea51c909705e1132acdab1e21ad2152e66fb18b3caaaa83e9bb64b47f34fdd1ddacc7df622c6e5397c38765d9a2535db59071eba SHA512 a3d75597522d6790257b04fedf41512ab5193f78303efce2d74f03d91910ecb56d60142baa42f27e42759f7e5756c2bfaf394b79c563eb2757b6b23705b9d791
 EBUILD lld-17.0.1.ebuild 2206 BLAKE2B 6eb2452e36c55a5b5224981b85a4788a05a14821279399c466673b530ebd34b52dab499dd631be8813d9f6f67538a248335709b6ac3ca1a49acc970db253b39c SHA512 340f6b4fee7d077fb47618fe0047a47453cb521752a35d1ea801fc0f3bb88bdc79c0b6fe02393874ba3ae3b69a9c8a468ad2b2713f3f4648d47f598403b67349
-EBUILD lld-17.0.2.9999.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
 EBUILD lld-17.0.2.ebuild 2206 BLAKE2B 6eb2452e36c55a5b5224981b85a4788a05a14821279399c466673b530ebd34b52dab499dd631be8813d9f6f67538a248335709b6ac3ca1a49acc970db253b39c SHA512 340f6b4fee7d077fb47618fe0047a47453cb521752a35d1ea801fc0f3bb88bdc79c0b6fe02393874ba3ae3b69a9c8a468ad2b2713f3f4648d47f598403b67349
+EBUILD lld-17.0.3.9999.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
 EBUILD lld-18.0.0.9999.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
 EBUILD lld-18.0.0_pre20230925.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
 EBUILD lld-18.0.0_pre20231002.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
+EBUILD lld-18.0.0_pre20231013.ebuild 2158 BLAKE2B 8688bb182c4483ef12b6301f9b77aecfa481cac7fa9b0fbf4e1851d0362fc01c661897e46955c956366c9e4f689444f20fb9fbeea275fc455d0c27023ff22fd0 SHA512 9d3383bb3df2f87dbc8a269c0618dfe5248c42ce0394b7499cf0fa8422fda471014a101b1d8dc910922374b68662b3c7ca1b0e9da64454523bf50bd88d299f98
 MISC metadata.xml 299 BLAKE2B 2feead2cd1b35b3a43335ddd7711f8181b52bc63ee7166608914260c67528add5251349063afbef4f8cf0ec09b2cd4c3ffdd90f2c14ed60bb69ebc03888f6333 SHA512 cd745c54ab18d25bdaff18582105072574103a36cfe7c175ef740f266d00e9fc6f44c332904d23b911c939cf5bdf52973b388923099d8dd5dfef3c283b5cb685
diff --git a/sys-devel/lld/lld-17.0.2.9999.ebuild b/sys-devel/lld/lld-17.0.3.9999.ebuild
index 085543e50762..085543e50762 100644
--- a/sys-devel/lld/lld-17.0.2.9999.ebuild
+++ b/sys-devel/lld/lld-17.0.3.9999.ebuild
diff --git a/sys-devel/lld/lld-18.0.0_pre20231013.ebuild b/sys-devel/lld/lld-18.0.0_pre20231013.ebuild
new file mode 100644
index 000000000000..085543e50762
--- /dev/null
+++ b/sys-devel/lld/lld-18.0.0_pre20231013.ebuild
@@ -0,0 +1,89 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit cmake flag-o-matic llvm llvm.org python-any-r1 toolchain-funcs
+
+DESCRIPTION="The LLVM linker (link editor)"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="+debug test zstd"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~sys-devel/llvm-${PV}[debug=,zstd=]
+	sys-libs/zlib:=
+	zstd? ( app-arch/zstd:= )
+"
+RDEPEND="
+	${DEPEND}
+	!sys-devel/lld:0
+"
+BDEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+	test? (
+		>=dev-util/cmake-3.16
+		$(python_gen_any_dep ">=dev-python/lit-${PV}[\${PYTHON_USEDEP}]")
+	)
+"
+PDEPEND="
+	>=sys-devel/lld-toolchain-symlinks-16-r2:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=( lld cmake libunwind/include/mach-o )
+llvm.org_set_globals
+
+python_check_deps() {
+	python_has_version ">=dev-python/lit-${PV}[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	use test && python-any-r1_pkg_setup
+}
+
+src_unpack() {
+	llvm.org_src_unpack
+
+	# Directory ${WORKDIR}/llvm does not exist with USE="-test",
+	# but LLVM_MAIN_SRC_DIR="${WORKDIR}/llvm" is set below,
+	# and ${LLVM_MAIN_SRC_DIR}/../libunwind/include is used by build system
+	# (lld/MachO/CMakeLists.txt) and is expected to be resolvable
+	# to existent directory ${WORKDIR}/libunwind/include.
+	mkdir -p "${WORKDIR}/llvm" || die
+}
+
+src_configure() {
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	use elibc_musl && append-ldflags -Wl,-z,stack-size=2097152
+
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DBUILD_SHARED_LIBS=ON
+		-DLLVM_INCLUDE_TESTS=$(usex test)
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	tc-is-cross-compiler &&	mycmakeargs+=(
+		-DLLVM_TABLEGEN_EXE="${BROOT}/usr/lib/llvm/${LLVM_MAJOR}/bin/llvm-tblgen"
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-lld
+}
diff --git a/sys-devel/llvm-common/Manifest b/sys-devel/llvm-common/Manifest
index b6b797690c46..856843856c67 100644
--- a/sys-devel/llvm-common/Manifest
+++ b/sys-devel/llvm-common/Manifest
@@ -9,14 +9,16 @@ DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b
 DIST llvm-project-17.0.2.src.tar.xz 127833708 BLAKE2B fa9e2e48ce1117063f5cef0aeef85ce84b99bd8fae23022572a6f016eff2ffbf8aab6250b0bdb6e0bbea1c4daf10cecceb18e80496260b5aa81086075d503e12 SHA512 4586224c3f547e8065fa4f0ca3629a1dfed868dfc372ab192d8b9384f0f74dc8cb27dcb6269dc4230202e6a524aae852d98b40fa02ed0393086a162387ea7659
 DIST llvm-project-17.0.2.src.tar.xz.sig 438 BLAKE2B 3ba5d7a09e9de3f38a6f7b5b771b08b1c4e96ea7eda948cfa679598d240fa5211fd37220fbe09e37682212b17fb71b8b5539475edb8ff46d9767054983f670cb SHA512 234276813e3f4b5ee9b1dc640a613fd2e60f1d659f4e089733278d08dd0e208ad37d4d64c9e1edd420b6b87e112458ecec5f76ed9a243c3023b0adbab19ab909
 DIST llvm-project-39fec5457c0925bd39f67f63fe17391584e08258.tar.gz 198361956 BLAKE2B 001b9d9b7997762dcce4f0b1deb94d41c3d840c178ba1e92208782e7e21fdc0041cde359051b2b1b1fc75526ff6504d3b9375ff873831350de359530c944a961 SHA512 b560e71c9855aff9fb5385f9fb30f63fbef074fd695e7cb31847192837a161bfe4808ceb09c514a676ae817616f15fb5a57d325aa9744eaac46b8f4b20b77a13
+DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
 DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 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-17.0.1.ebuild 1028 BLAKE2B 17b090a472e770e1f63129c30b736d37f1020e7ce498345919724a412b1221fb6512cd6b88261d6760fde413f391264ac903df6a1e45a5a48cf0bdd5371b370c SHA512 472d118c870970130a42a7c632a968406c44fc1161be1a7a0ef76f5344d98c08e56dac7b20fa2972dc162b5e094b22df9e58a74aac355d3e7d034c2aaef64a4b
-EBUILD llvm-common-17.0.2.9999.ebuild 937 BLAKE2B 71205c911e7ae61914de7b5e0e2aff7fff1aed78099c2fdffbb9f4270f28a53c098d89cf6a7269a5d2c62c476c745eb1926f37ef3709e61cd08fa97271075a53 SHA512 9d2a8ad2455759c4e5102414e439375507a22fc3dd89af8ce54d0e3ba21440805fcafd4a94412eea7867626cec177f2b0d4540f06fc19cdec89c16b4b27de29f
 EBUILD llvm-common-17.0.2.ebuild 1028 BLAKE2B 17b090a472e770e1f63129c30b736d37f1020e7ce498345919724a412b1221fb6512cd6b88261d6760fde413f391264ac903df6a1e45a5a48cf0bdd5371b370c SHA512 472d118c870970130a42a7c632a968406c44fc1161be1a7a0ef76f5344d98c08e56dac7b20fa2972dc162b5e094b22df9e58a74aac355d3e7d034c2aaef64a4b
+EBUILD llvm-common-17.0.3.9999.ebuild 937 BLAKE2B 71205c911e7ae61914de7b5e0e2aff7fff1aed78099c2fdffbb9f4270f28a53c098d89cf6a7269a5d2c62c476c745eb1926f37ef3709e61cd08fa97271075a53 SHA512 9d2a8ad2455759c4e5102414e439375507a22fc3dd89af8ce54d0e3ba21440805fcafd4a94412eea7867626cec177f2b0d4540f06fc19cdec89c16b4b27de29f
 EBUILD llvm-common-18.0.0.9999.ebuild 937 BLAKE2B 71205c911e7ae61914de7b5e0e2aff7fff1aed78099c2fdffbb9f4270f28a53c098d89cf6a7269a5d2c62c476c745eb1926f37ef3709e61cd08fa97271075a53 SHA512 9d2a8ad2455759c4e5102414e439375507a22fc3dd89af8ce54d0e3ba21440805fcafd4a94412eea7867626cec177f2b0d4540f06fc19cdec89c16b4b27de29f
 EBUILD llvm-common-18.0.0_pre20230925.ebuild 937 BLAKE2B 71205c911e7ae61914de7b5e0e2aff7fff1aed78099c2fdffbb9f4270f28a53c098d89cf6a7269a5d2c62c476c745eb1926f37ef3709e61cd08fa97271075a53 SHA512 9d2a8ad2455759c4e5102414e439375507a22fc3dd89af8ce54d0e3ba21440805fcafd4a94412eea7867626cec177f2b0d4540f06fc19cdec89c16b4b27de29f
 EBUILD llvm-common-18.0.0_pre20231002.ebuild 937 BLAKE2B 71205c911e7ae61914de7b5e0e2aff7fff1aed78099c2fdffbb9f4270f28a53c098d89cf6a7269a5d2c62c476c745eb1926f37ef3709e61cd08fa97271075a53 SHA512 9d2a8ad2455759c4e5102414e439375507a22fc3dd89af8ce54d0e3ba21440805fcafd4a94412eea7867626cec177f2b0d4540f06fc19cdec89c16b4b27de29f
+EBUILD llvm-common-18.0.0_pre20231013.ebuild 937 BLAKE2B 71205c911e7ae61914de7b5e0e2aff7fff1aed78099c2fdffbb9f4270f28a53c098d89cf6a7269a5d2c62c476c745eb1926f37ef3709e61cd08fa97271075a53 SHA512 9d2a8ad2455759c4e5102414e439375507a22fc3dd89af8ce54d0e3ba21440805fcafd4a94412eea7867626cec177f2b0d4540f06fc19cdec89c16b4b27de29f
 MISC metadata.xml 299 BLAKE2B 2feead2cd1b35b3a43335ddd7711f8181b52bc63ee7166608914260c67528add5251349063afbef4f8cf0ec09b2cd4c3ffdd90f2c14ed60bb69ebc03888f6333 SHA512 cd745c54ab18d25bdaff18582105072574103a36cfe7c175ef740f266d00e9fc6f44c332904d23b911c939cf5bdf52973b388923099d8dd5dfef3c283b5cb685
diff --git a/sys-devel/llvm-common/llvm-common-17.0.2.9999.ebuild b/sys-devel/llvm-common/llvm-common-17.0.3.9999.ebuild
index d2cde923ede3..d2cde923ede3 100644
--- a/sys-devel/llvm-common/llvm-common-17.0.2.9999.ebuild
+++ b/sys-devel/llvm-common/llvm-common-17.0.3.9999.ebuild
diff --git a/sys-devel/llvm-common/llvm-common-18.0.0_pre20231013.ebuild b/sys-devel/llvm-common/llvm-common-18.0.0_pre20231013.ebuild
new file mode 100644
index 000000000000..d2cde923ede3
--- /dev/null
+++ b/sys-devel/llvm-common/llvm-common-18.0.0_pre20231013.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=""
+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 ef73b165e4cf..a45cba917b16 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -17,14 +17,16 @@ DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b
 DIST llvm-project-17.0.2.src.tar.xz 127833708 BLAKE2B fa9e2e48ce1117063f5cef0aeef85ce84b99bd8fae23022572a6f016eff2ffbf8aab6250b0bdb6e0bbea1c4daf10cecceb18e80496260b5aa81086075d503e12 SHA512 4586224c3f547e8065fa4f0ca3629a1dfed868dfc372ab192d8b9384f0f74dc8cb27dcb6269dc4230202e6a524aae852d98b40fa02ed0393086a162387ea7659
 DIST llvm-project-17.0.2.src.tar.xz.sig 438 BLAKE2B 3ba5d7a09e9de3f38a6f7b5b771b08b1c4e96ea7eda948cfa679598d240fa5211fd37220fbe09e37682212b17fb71b8b5539475edb8ff46d9767054983f670cb SHA512 234276813e3f4b5ee9b1dc640a613fd2e60f1d659f4e089733278d08dd0e208ad37d4d64c9e1edd420b6b87e112458ecec5f76ed9a243c3023b0adbab19ab909
 DIST llvm-project-39fec5457c0925bd39f67f63fe17391584e08258.tar.gz 198361956 BLAKE2B 001b9d9b7997762dcce4f0b1deb94d41c3d840c178ba1e92208782e7e21fdc0041cde359051b2b1b1fc75526ff6504d3b9375ff873831350de359530c944a961 SHA512 b560e71c9855aff9fb5385f9fb30f63fbef074fd695e7cb31847192837a161bfe4808ceb09c514a676ae817616f15fb5a57d325aa9744eaac46b8f4b20b77a13
+DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
 DIST llvm-project-f5cb9cb59d7c9c6ac3d5c41c677f68c9b75d34a3.tar.gz 198113948 BLAKE2B 1688920eb790421f4143e92bd7bd26794a2497e7b445dde6d55b59c9df4b1aebb848833c7cb1b7c273c5e002763f2531a341313500ce207242f992dfe343b988 SHA512 9817e8b7adf7c69d673124e8334c3e511dfd1cc386832c52b2fb0f2517475d29cd98513ad87188a962f9697dfac39ea03f5b2db6c549c307cf3d27b1370ffdf3
 EBUILD llvm-14.0.6-r4.ebuild 12313 BLAKE2B fc192cd5a0ce4392b3aae13e068522dcac0925cd67afae7c230b150e8ddab3a302dd3dbf5b9eb9ea0092ca8d5464e43f4a37d6e615998fc8259a2fbd669deb44 SHA512 839388316772e70d13ac1b6f72d93171dc698659a79766057a7dc16b191f5f417c919398c9ff09430fb128654452a01fa1dcfce27c60ac29aa11edb5eed3be0b
 EBUILD llvm-15.0.7-r3.ebuild 12486 BLAKE2B 1c62b4a9f7493b3cf9bd2ca388d9c09da2077a5be4b19dba2628352e0524e37df1e3481cc3e0658d3ce8eeb81fe7b4e379be7d5ba9e20a60376616e5a38f6264 SHA512 d6eea0d3330e29a4a27bb758cb5abec08b35f5b0d6a9bacfeddcaf031b0c125ba9454d4eb77a65fe6dd5b379654dd895d603e0a01008b57476502be82ffb392c
 EBUILD llvm-16.0.6.ebuild 12812 BLAKE2B 1063af92819795e6867db4ef9c7f31826df93560b99a56fdc33f315319cc916dde824f2282c74b54430da11a5a9e5428de6552ee57ef0f4bdd4b3c69d3ee230f SHA512 d23327496b4a9d58aa8bae415d85fda284bfc499c3552a272b160bb6f6f85d1300f0e5d536d24c97e58def556e1743ebeae9dc7d718bf6a0a994a63e07054969
 EBUILD llvm-17.0.1.ebuild 13080 BLAKE2B 40b706c98bbe0a3be6b3c68f8a863f93b263f2a11228bd180cc7f25120fe3f9fdbd45a621200f471c17b0384fe2eb9a0847b6462903af4106c032a42cae51199 SHA512 dbd372ab87de2a4c27d471261d13f64cdbc34aa0a901457788e239dfa22b9168914cba80ec17f4f6d3aab95f130f7e81a3f2f789fdb0427ae2eeac229e8ae565
 EBUILD llvm-17.0.2-r1.ebuild 13100 BLAKE2B 054b13ea90105c70a9b40cef1cdee3157515bca2350b5fcf69ea8d81a45fb259c523f70e2306f101b6078e367143c1798acc3d7c5e5391a9c6e15c5053f11768 SHA512 6a1973ec5a0045c65e45e53c8f18230098831c5ba4893c908cdf22f4747f03702e19627cabe1d1c7407ab988d52c74ee83a287f96dccaf1e6af8caaa45585d68
-EBUILD llvm-17.0.2.9999.ebuild 12990 BLAKE2B 295cb963dd707d91c40c63c9eb51d02cda2e2d3d86716be0575da2ebbd1958014c316f044d6e636dd68b38e59e572b7c8afb31677e5d9af16cd90f90d816ab88 SHA512 23a1f157812b88c5b8cde8d23c33e5c84f417afd2a06def1c9620709d9fad35f57c290f96534721a5645cd2f1e2d2a097ff09de72fea1bad0c3716d7c77a4646
+EBUILD llvm-17.0.3.9999.ebuild 12990 BLAKE2B 295cb963dd707d91c40c63c9eb51d02cda2e2d3d86716be0575da2ebbd1958014c316f044d6e636dd68b38e59e572b7c8afb31677e5d9af16cd90f90d816ab88 SHA512 23a1f157812b88c5b8cde8d23c33e5c84f417afd2a06def1c9620709d9fad35f57c290f96534721a5645cd2f1e2d2a097ff09de72fea1bad0c3716d7c77a4646
 EBUILD llvm-18.0.0.9999.ebuild 12962 BLAKE2B 0cd4168bad25b539482bdded2988a43738af06e51500cb6cf059d962d40f33e596ac4ac8b14d66cafda75a01db98d93bba5430053605fa7c2f8474788cf996e3 SHA512 fc87fdf0b1ded8256dc5f250f957c8deafd8950474edc90c4a183ab09c2f534e997df85feb7b302aef3ebb233ff151f28c68dd902a49eda73a41d2cbeaa13a7e
 EBUILD llvm-18.0.0_pre20230925.ebuild 12662 BLAKE2B 197f93ba73d9a6083c9bd9014199183dace77ef12727484de5c685df5530e4c24ad894fe3e79f4061684a5b0adbcdb49019b367161666c2567064ac1d8a09481 SHA512 d7a356937690a0cfd1c8a8a59f1c513b591febf7afd77a798211ae7f83d3afbaa31f6939e152529ce3f0848fbd141e08ea741b77016ae5d405f7ce7b00520937
 EBUILD llvm-18.0.0_pre20231002.ebuild 12962 BLAKE2B 0cd4168bad25b539482bdded2988a43738af06e51500cb6cf059d962d40f33e596ac4ac8b14d66cafda75a01db98d93bba5430053605fa7c2f8474788cf996e3 SHA512 fc87fdf0b1ded8256dc5f250f957c8deafd8950474edc90c4a183ab09c2f534e997df85feb7b302aef3ebb233ff151f28c68dd902a49eda73a41d2cbeaa13a7e
+EBUILD llvm-18.0.0_pre20231013.ebuild 12962 BLAKE2B 0cd4168bad25b539482bdded2988a43738af06e51500cb6cf059d962d40f33e596ac4ac8b14d66cafda75a01db98d93bba5430053605fa7c2f8474788cf996e3 SHA512 fc87fdf0b1ded8256dc5f250f957c8deafd8950474edc90c4a183ab09c2f534e997df85feb7b302aef3ebb233ff151f28c68dd902a49eda73a41d2cbeaa13a7e
 MISC metadata.xml 2782 BLAKE2B 4bd546287f630462c3f5d98cbd15a59a4cdef4023f86a5f4fe64fc5f10256cae7014d18823bd0909f4af4e42f299b6e7983c9c3c569cfab1ad38b0160f1eae40 SHA512 6bf1dc4f71f50e1eecc55cbb8366d8ed82a3dd328871acf1d808fc5e3ee4d203d623f81d9968bda45a87c72a2f20ed69b735b0a289b0052b048175cf6502e124
diff --git a/sys-devel/llvm/llvm-17.0.2.9999.ebuild b/sys-devel/llvm/llvm-17.0.3.9999.ebuild
index 6bda0f273990..6bda0f273990 100644
--- a/sys-devel/llvm/llvm-17.0.2.9999.ebuild
+++ b/sys-devel/llvm/llvm-17.0.3.9999.ebuild
diff --git a/sys-devel/llvm/llvm-18.0.0_pre20231013.ebuild b/sys-devel/llvm/llvm-18.0.0_pre20231013.ebuild
new file mode 100644
index 000000000000..14a1681c7f69
--- /dev/null
+++ b/sys-devel/llvm/llvm-18.0.0_pre20231013.ebuild
@@ -0,0 +1,539 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit cmake llvm.org multilib-minimal pax-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="https://llvm.org/"
+
+# Additional licenses:
+# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
+# 2. xxhash: BSD.
+# 3. MD5 code: public-domain.
+# 4. ConvertUTF.h: TODO.
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA BSD public-domain rc"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="
+	+binutils-plugin +debug debuginfod doc exegesis libedit +libffi
+	ncurses test xar xml z3 zstd
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	sys-libs/zlib:0=[${MULTILIB_USEDEP}]
+	debuginfod? (
+		net-misc/curl:=
+		dev-cpp/cpp-httplib:=
+	)
+	exegesis? ( dev-libs/libpfm:= )
+	libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
+	libffi? ( >=dev-libs/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
+	ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
+	xar? ( app-arch/xar )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+	z3? ( >=sci-mathematics/z3-4.7.1:0=[${MULTILIB_USEDEP}] )
+	zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
+"
+DEPEND="
+	${RDEPEND}
+	binutils-plugin? ( sys-libs/binutils-libs )
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-lang/perl
+	>=dev-util/cmake-3.16
+	sys-devel/gnuconfig
+	kernel_Darwin? (
+		<sys-libs/libcxx-${LLVM_VERSION}.9999
+		>=sys-devel/binutils-apple-5.1
+	)
+	doc? ( $(python_gen_any_dep '
+		dev-python/myst-parser[${PYTHON_USEDEP}]
+		dev-python/sphinx[${PYTHON_USEDEP}]
+	') )
+	libffi? ( virtual/pkgconfig )
+"
+# There are no file collisions between these versions but having :0
+# installed means llvm-config there will take precedence.
+RDEPEND="
+	${RDEPEND}
+	!sys-devel/llvm:0
+"
+PDEPEND="
+	sys-devel/llvm-common
+	sys-devel/llvm-toolchain-symlinks:${LLVM_MAJOR}
+	binutils-plugin? ( >=sys-devel/llvmgold-${LLVM_MAJOR} )
+"
+
+LLVM_COMPONENTS=( llvm cmake third-party )
+LLVM_MANPAGES=1
+LLVM_USE_TARGETS=provide
+llvm.org_set_globals
+
+python_check_deps() {
+	use doc || return 0
+
+	python_has_version -b "dev-python/myst-parser[${PYTHON_USEDEP}]" &&
+	python_has_version -b "dev-python/sphinx[${PYTHON_USEDEP}]"
+}
+
+check_uptodate() {
+	local prod_targets=(
+		$(sed -n -e '/set(LLVM_ALL_TARGETS/,/)/p' CMakeLists.txt \
+			| tail -n +2 | head -n -1)
+	)
+	local all_targets=(
+		lib/Target/*/
+	)
+	all_targets=( "${all_targets[@]#lib/Target/}" )
+	all_targets=( "${all_targets[@]%/}" )
+
+	local exp_targets=() i
+	for i in "${all_targets[@]}"; do
+		has "${i}" "${prod_targets[@]}" || exp_targets+=( "${i}" )
+	done
+
+	if [[ ${exp_targets[*]} != ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]} ]]; then
+		eqawarn "ALL_LLVM_EXPERIMENTAL_TARGETS is outdated!"
+		eqawarn "    Have: ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]}"
+		eqawarn "Expected: ${exp_targets[*]}"
+		eqawarn
+	fi
+
+	if [[ ${prod_targets[*]} != ${ALL_LLVM_PRODUCTION_TARGETS[*]} ]]; then
+		eqawarn "ALL_LLVM_PRODUCTION_TARGETS is outdated!"
+		eqawarn "    Have: ${ALL_LLVM_PRODUCTION_TARGETS[*]}"
+		eqawarn "Expected: ${prod_targets[*]}"
+	fi
+}
+
+check_distribution_components() {
+	if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then
+		local all_targets=() my_targets=() l
+		cd "${BUILD_DIR}" || die
+
+		while read -r l; do
+			if [[ ${l} == install-*-stripped:* ]]; then
+				l=${l#install-}
+				l=${l%%-stripped*}
+
+				case ${l} in
+					# shared libs
+					LLVM|LLVMgold)
+						;;
+					# TableGen lib + deps
+					LLVMDemangle|LLVMSupport|LLVMTableGen)
+						;;
+					# testing libraries
+					LLVMTestingAnnotations|LLVMTestingSupport)
+						;;
+					# static libs
+					LLVM*)
+						continue
+						;;
+					# meta-targets
+					distribution|llvm-libraries)
+						continue
+						;;
+					# used only w/ USE=doc
+					docs-llvm-html)
+						use doc || continue
+						;;
+				esac
+
+				all_targets+=( "${l}" )
+			fi
+		done < <(${NINJA} -t targets all)
+
+		while read -r l; do
+			my_targets+=( "${l}" )
+		done < <(get_distribution_components $"\n")
+
+		local add=() remove=()
+		for l in "${all_targets[@]}"; do
+			if ! has "${l}" "${my_targets[@]}"; then
+				add+=( "${l}" )
+			fi
+		done
+		for l in "${my_targets[@]}"; do
+			if ! has "${l}" "${all_targets[@]}"; then
+				remove+=( "${l}" )
+			fi
+		done
+
+		if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then
+			eqawarn "get_distribution_components() is outdated!"
+			eqawarn "   Add: ${add[*]}"
+			eqawarn "Remove: ${remove[*]}"
+		fi
+		cd - >/dev/null || die
+	fi
+}
+
+src_prepare() {
+	# disable use of SDK on OSX, bug #568758
+	sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
+
+	# Update config.guess to support more systems
+	cp "${BROOT}/usr/share/gnuconfig/config.guess" cmake/ || die
+
+	# Verify that the ebuild is up-to-date
+	check_uptodate
+
+	llvm.org_src_prepare
+}
+
+get_distribution_components() {
+	local sep=${1-;}
+
+	local out=(
+		# shared libs
+		LLVM
+		LTO
+		Remarks
+
+		# tools
+		llvm-config
+
+		# common stuff
+		cmake-exports
+		llvm-headers
+
+		# libraries needed for clang-tblgen
+		LLVMDemangle
+		LLVMSupport
+		LLVMTableGen
+
+		# testing libraries
+		llvm_gtest
+		llvm_gtest_main
+		LLVMTestingAnnotations
+		LLVMTestingSupport
+	)
+
+	if multilib_is_native_abi; then
+		out+=(
+			# utilities
+			llvm-tblgen
+			FileCheck
+			llvm-PerfectShuffle
+			count
+			not
+			yaml-bench
+			UnicodeNameMappingGenerator
+
+			# tools
+			bugpoint
+			dsymutil
+			llc
+			lli
+			lli-child-target
+			llvm-addr2line
+			llvm-ar
+			llvm-as
+			llvm-bcanalyzer
+			llvm-bitcode-strip
+			llvm-c-test
+			llvm-cat
+			llvm-cfi-verify
+			llvm-config
+			llvm-cov
+			llvm-cvtres
+			llvm-cxxdump
+			llvm-cxxfilt
+			llvm-cxxmap
+			llvm-debuginfo-analyzer
+			llvm-debuginfod-find
+			llvm-diff
+			llvm-dis
+			llvm-dlltool
+			llvm-dwarfdump
+			llvm-dwarfutil
+			llvm-dwp
+			llvm-exegesis
+			llvm-extract
+			llvm-gsymutil
+			llvm-ifs
+			llvm-install-name-tool
+			llvm-jitlink
+			llvm-jitlink-executor
+			llvm-lib
+			llvm-libtool-darwin
+			llvm-link
+			llvm-lipo
+			llvm-lto
+			llvm-lto2
+			llvm-mc
+			llvm-mca
+			llvm-ml
+			llvm-modextract
+			llvm-mt
+			llvm-nm
+			llvm-objcopy
+			llvm-objdump
+			llvm-opt-report
+			llvm-otool
+			llvm-pdbutil
+			llvm-profdata
+			llvm-profgen
+			llvm-ranlib
+			llvm-rc
+			llvm-readelf
+			llvm-readobj
+			llvm-readtapi
+			llvm-reduce
+			llvm-remarkutil
+			llvm-rtdyld
+			llvm-sim
+			llvm-size
+			llvm-split
+			llvm-stress
+			llvm-strings
+			llvm-strip
+			llvm-symbolizer
+			llvm-tli-checker
+			llvm-undname
+			llvm-windres
+			llvm-xray
+			obj2yaml
+			opt
+			sancov
+			sanstats
+			split-file
+			verify-uselistorder
+			yaml2obj
+
+			# python modules
+			opt-viewer
+		)
+
+		if llvm_are_manpages_built; then
+			out+=(
+				# manpages
+				docs-dsymutil-man
+				docs-llvm-dwarfdump-man
+				docs-llvm-man
+			)
+		fi
+		use doc && out+=(
+			docs-llvm-html
+		)
+
+		use binutils-plugin && out+=(
+			LLVMgold
+		)
+		use debuginfod && out+=(
+			llvm-debuginfod
+		)
+	fi
+
+	printf "%s${sep}" "${out[@]}"
+}
+
+multilib_src_configure() {
+	local ffi_cflags ffi_ldflags
+	if use libffi; then
+		ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
+		ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		# disable appending VCS revision to the version to improve
+		# direct cache hit ratio
+		-DLLVM_APPEND_VC_REV=OFF
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+		-DBUILD_SHARED_LIBS=OFF
+		-DLLVM_BUILD_LLVM_DYLIB=ON
+		-DLLVM_LINK_LLVM_DYLIB=ON
+		-DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
+
+		# cheap hack: LLVM combines both anyway, and the only difference
+		# is that the former list is explicitly verified at cmake time
+		-DLLVM_TARGETS_TO_BUILD=""
+		-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+		-DLLVM_INCLUDE_BENCHMARKS=OFF
+		-DLLVM_INCLUDE_TESTS=ON
+		-DLLVM_BUILD_TESTS=$(usex test)
+		-DLLVM_INSTALL_GTEST=ON
+
+		-DLLVM_ENABLE_FFI=$(usex libffi)
+		-DLLVM_ENABLE_LIBEDIT=$(usex libedit)
+		-DLLVM_ENABLE_TERMINFO=$(usex ncurses)
+		-DLLVM_ENABLE_LIBXML2=$(usex xml)
+		-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
+		-DLLVM_ENABLE_LIBPFM=$(usex exegesis)
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+		-DLLVM_ENABLE_Z3_SOLVER=$(usex z3)
+		-DLLVM_ENABLE_ZSTD=$(usex zstd)
+		-DLLVM_ENABLE_CURL=$(usex debuginfod)
+		-DLLVM_ENABLE_HTTPLIB=$(usex debuginfod)
+
+		-DLLVM_HOST_TRIPLE="${CHOST}"
+
+		-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+		-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+		# used only for llvm-objdump tool
+		-DLLVM_HAVE_LIBXAR=$(multilib_native_usex xar 1 0)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+
+		# disable OCaml bindings (now in dev-ml/llvm-ocaml)
+		-DOCAMLFIND=NO
+	)
+
+	local suffix=
+	if [[ -n ${EGIT_VERSION} && ${EGIT_BRANCH} != release/* ]]; then
+		# the ABI of the main branch is not stable, so let's include
+		# the commit id in the SOVERSION to contain the breakage
+		suffix+="git${EGIT_VERSION::8}"
+	fi
+	if [[ $(tc-get-cxx-stdlib) == libc++ ]]; then
+		# Smart hack: alter version suffix -> SOVERSION when linking
+		# against libc++. This way we won't end up mixing LLVM libc++
+		# libraries with libstdc++ clang, and the other way around.
+		suffix+="+libcxx"
+		mycmakeargs+=(
+			-DLLVM_ENABLE_LIBCXX=ON
+		)
+	fi
+	mycmakeargs+=(
+		-DLLVM_VERSION_SUFFIX="${suffix}"
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+	)
+
+	if multilib_is_native_abi; then
+		local build_docs=OFF
+		if llvm_are_manpages_built; then
+			build_docs=ON
+			mycmakeargs+=(
+				-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+				-DLLVM_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+				-DSPHINX_WARNINGS_AS_ERRORS=OFF
+			)
+		fi
+
+		mycmakeargs+=(
+			-DLLVM_BUILD_DOCS=${build_docs}
+			-DLLVM_ENABLE_OCAMLDOC=OFF
+			-DLLVM_ENABLE_SPHINX=${build_docs}
+			-DLLVM_ENABLE_DOXYGEN=OFF
+			-DLLVM_INSTALL_UTILS=ON
+		)
+		use binutils-plugin && mycmakeargs+=(
+			-DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
+		)
+	fi
+
+	# 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)"
+}
author	V3n3RiX <venerix@koprulu.sector>	2023-10-13 18:18:15 +0100
committer	V3n3RiX <venerix@koprulu.sector>	2023-10-13 18:18:15 +0100
commit	b8330d80ce605a72596ccfa1bfc087b9ded559b8 (patch)
tree	209587b26d39505ff0a0c21c2f20ef51652688e9 /sys-devel
parent	41c2683a5cfac2bd3280dc5d5aaed73b6c377bcf (diff)