7 files changed, 977 insertions, 3 deletions
diff --git a/sys-devel/Manifest.gz b/sys-devel/Manifest.gz
index bbd79c3408bb..6c8b2c0bab45 100644
--- a/sys-devel/Manifest.gz
+++ b/sys-devel/Manifest.gz
diff --git a/sys-devel/binutils/Manifest b/sys-devel/binutils/Manifest
index 8824b9f7810b..e1ebcd84afaf 100644
--- a/sys-devel/binutils/Manifest
+++ b/sys-devel/binutils/Manifest
@@ -27,5 +27,5 @@ EBUILD binutils-2.36.1-r2.ebuild 12553 BLAKE2B 8ce3d14f6d7cc81e920f7d5a28875a5bc
 EBUILD binutils-2.37_p1-r2.ebuild 13024 BLAKE2B e67ed4a55a9f07ebd064c82901bc6b5e23933f562c8b6258d32649571f38cbc81061fcb886feaa70619d46d47c52cd701745c173ccf060e47c5cfef2d202a8ca SHA512 480b1921ff344b943b1cf2c1ea9960cd5252f8055a4bffc109f096b038d4d1fc2dd670d696ce7217fd1d827eef5c07cc81c7d0886fc554d939535582d5300f26
 EBUILD binutils-2.38-r1.ebuild 13032 BLAKE2B 23dcf886c2fc5837ad09a69fb5671b65e57cedd0b1275242da32d6fa07ca198ebfc08875f0675193651f33a39b4f872cea46de2953bff94246d5f0db22e20abc SHA512 9fcd78ef633f16e1ecdd5c5ffe68f182e93ad8c2fbbcda8a80d00870b102c4801a65781251ecc623a6f7d42a20d60cb29e88d074d7b8b9a0736e63f252420603
 EBUILD binutils-2.38-r2.ebuild 13404 BLAKE2B 13c79477b612c2a68554687a63511028b031a9758a5862d9bcf3aa83e727879eefa7815d72ca6dfa6f412cac8ee858cd897453e2b0e09b666f5c49e52bf85b29 SHA512 c7d9d89131c528c281087cf4b7c9914cd0d08831f971823a0640cd6b18d87eabf42112223151d79c1b9c1219487eb45227ea1d76836cd1de518c799af1ab3e59
-EBUILD binutils-9999.ebuild 13294 BLAKE2B 79f45745d587339ee51310dcc288b4f80ef7a3b84ea19903addbff9cfca2f2482e9f24120c6c13f50b599588ebcf1dd629d14fc8c32bfa22446777581792c35d SHA512 16c45b6796846fe12b583f43eb6e9ad0b5058e5b2564a2b87d135516c540f2d3fc656daaad8b6dba948efde004c94a685b0fd3300bb79503aecce31317a43b18
+EBUILD binutils-9999.ebuild 13280 BLAKE2B 0095d05b7d8824b44e8f25c0c25f98dfaf76cd6e49b76fa35c479e0da4badd47f902844a96c5c3305dca82d0115fe767b1fb7b2e277a662d43ce8ca86934d0b2 SHA512 fafbff9af4865e95fe10b5f11ff1e00f3b6f7c5985209b5dc0f500688c113e7b4a74a149106df0f68413eb801155721b0478d3f5e71947d78647cb21ddda977f
 MISC metadata.xml 815 BLAKE2B 0d866827f8a6d0244be472dea595d5784ea60464ba361cde9bd062473b5eb19ccecc99bb58729acadd2cfe7dc017cdb2107fc282a31be6ed96c757954e6c9ac0 SHA512 8996f29b159ba483293b8d80eb62372ee0016e817d9ac55b7de9c211aca770b5a05135e705aac108099181d879daf5e22df1facab64bc7765966b3d7e3274e16
diff --git a/sys-devel/binutils/binutils-9999.ebuild b/sys-devel/binutils/binutils-9999.ebuild
index ec3589ae100a..194080fc1e25 100644
--- a/sys-devel/binutils/binutils-9999.ebuild
+++ b/sys-devel/binutils/binutils-9999.ebuild
@@ -417,10 +417,10 @@ src_install() {
 	fi
 
 	# Remove shared info pages
-	rm -f "${ED}"/${DATAPATH}/info/{dir,configure.info,standards.info} || die
+	rm -f "${ED}"/${DATAPATH}/info/{dir,configure.info,standards.info}
 
 	# Trim all empty dirs
-	find "${ED}" -depth -type d -exec rmdir {} + 2>/dev/null || die
+	find "${ED}" -depth -type d -exec rmdir {} + 2>/dev/null
 }
 
 pkg_postinst() {
diff --git a/sys-devel/clang/Manifest b/sys-devel/clang/Manifest
index 8adf8093cd11..99833f8cbb7a 100644
--- a/sys-devel/clang/Manifest
+++ b/sys-devel/clang/Manifest
@@ -3,6 +3,7 @@ DIST llvm-14.0.4-manpages.tar.bz2 214161 BLAKE2B 9e8a0a78cce26b0e5235750a2af9954
 DIST llvm-14.0.6-manpages.tar.bz2 214038 BLAKE2B c1ec35a5eeb35b720bf9a3a5ea9820eceaa26d9030a876772aca25dd47f8848500b94309ae9e6f3e9bc16e083d91747664e16b01dec06897e294e55fbf6f5cb3 SHA512 ea22af2f6cbfd3183f4e9ba5638e2667ca48562519bd679744d86778fed8da97173a25f57671aa67bcb45a7e4c8fd6cbbf461589a8611e1c8eb1b9eda7cc430f
 DIST llvm-gentoo-patchset-13.0.1.tar.xz 6288 BLAKE2B 899222b962486e924e4f8a2b574d285531a3f87af9385ff68c81db92aa224a0cde6d4ee049b5405056bedb4b232b50e1d5840024071a4a215f6311853304c92d SHA512 b2805337f1deca626768a44c5e7ac9ed16e0c31bead1647d44a493a8123c1b8e8f1c8ceee3536bcc6fa87fdd3fcec408229f701adf30eff07e7ef9889b847b01
 DIST llvm-gentoo-patchset-14.0.4.tar.xz 4072 BLAKE2B cbd8804e33069ca2709503931545a57cfd33c06f28696d876d499285e9add9487a069495b756bbb94d29a162c39ece651defddd302e3ac523c5484c09fb3d2ea SHA512 db00268d01e7ec99b907321384c02468a53020386ee4fc819fabfc1cd0784323044931dac42437968d5fd37190da1b9f8f847af553a65a0595c33cecfd82c293
+DIST llvm-gentoo-patchset-14.0.6-r2.tar.xz 16120 BLAKE2B e12e522fdb7ba505693c679cb09cc8e00e6a954df195c86c2af4dbf1b68334a405b8dcc45f2e28b5e5e0b7e9d5eb7ba907337027927371b7a3b7784ff8aae7e0 SHA512 8a5ea71c30fc0727cc855dd812bbcb6d5f51c80c98eb3d5b80258d5c5eaab1310edc9d53ae63c2ca827abec68e2912c4b69ef0da351ff883fb30545a61e1d09c
 DIST llvm-gentoo-patchset-14.0.6.tar.xz 4544 BLAKE2B b613582fa048837303168a2d62835688128621236022ca6c232293cb2e4549174ef256e7dcd8303bfef6d5456d0459ddb2cbda4a4d323b82901da4c16f15dcc4 SHA512 fb89a3186c5bffdc6245ed103d79fe6802a86986bd43891b7e128955bd546dffcb5b4083ac9e7966f67ce8dd82322756a11428ab4c62d21f012d614062adab35
 DIST llvm-gentoo-patchset-9999-r3.tar.xz 4076 BLAKE2B 30bdf740606a1718ae45d850803385d425b656fbbe0250f587cad54f55272e3617d5ee0d04f534a58f87408b0a2dea322ebf1bb8cd653a2beba21d0bc5778c62 SHA512 2c7080ffd09d7dcf4c72a97044a5c63ab895250721d60270bc51c2095aef5f9039781892b4c0d14e942611686153f874a1f52a1c854bb8ca093383c08bdc005a
 DIST llvm-project-14.0.6.src.tar.xz 105618228 BLAKE2B ee67c5407df8cef493b9c0004f15e428f22a536a17e5f4e3eb29a003b8a8ec0abe0fa3e072591161d5f30ef7d8867c1ce34d1b341ad858e93c00263499941a99 SHA512 6fc6eeb60fac698702d1aac495fc0161eb7216a1f8db2020af8fccec5837831f7cc20dc2a169bf4f0b5f520748280b4a86621f3697d622aa58faaa45dbfaad13
@@ -11,6 +12,7 @@ DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69b
 DIST llvmorg-14.0.4.tar.gz 158088617 BLAKE2B 7fb894548dce72593a8639b4d0220d2499577f80d38b97600749c91a498c69dfbbe818cee35e4a76370795e55da7037543ea341ad7567a6f548893c67dce9e64 SHA512 e14e6c3a1915a96e9ddc609f16ca3a398ca6f7fd0a691dadaa24490078a661340e845cb2d18f3679de4f47300bb822c33ae69548af6a0370d55737831a28b959
 EBUILD clang-13.0.1.ebuild 11294 BLAKE2B 33760cbd488068389efed5c011b15288021d1f93a371d5114301a5f86e815b3a1e9ae21ed6304d90916778f2312db17339d85b6d76e5e8255614706ddc3a7cf6 SHA512 b49773a02c15c4e869682664bd5703d7e08f60be9558fdbd78da19be5d5a1158093729260106cffe4cd8a6295ba740e42cc43d07da00ed8ead14dc45899ce80a
 EBUILD clang-14.0.4.ebuild 11717 BLAKE2B 824af66d592b478e18f0597046d01587549ad83e3bb56d2fac6ca24757930cb1a583a33dda2d810d0512bcb58785f8a2f2cb107635760df8538c062a9ba2b8f0 SHA512 63cf4d51a5889651190a7c97c975e6af3d38a88c09507cc91ecb14020eaa5b4158e9acbede4501050a4b76dd2cc252380a5b0a79d6d608ee3d47139f7c502478
+EBUILD clang-14.0.6-r1.ebuild 11725 BLAKE2B d0824c4597d8ebd5070e2f2f3e69ad5f89f1ebcca5879ba29397ac3cf3391214edd07b89e7441db438ee3755d64ed634c93f02f7864011ebff8ef7f52a0c9694 SHA512 b6d94958f8541f87eef40bf12b9144a429224e1872f39939ed76eb6d6f1e387b0bdf370fe5663bd16cb8396b557fde94e8ffa9a8e9dcb3307b3b1f2aba3c64df
 EBUILD clang-14.0.6.ebuild 11722 BLAKE2B fe559baac96ab7a231878a149cc3c153e85a313a36986727bf0b42ee34b71a7999bc89faf8fdb546a7d86d5eae46222c5bd562c04b3563aa20521a7ba7c1eb6c SHA512 4d711a74d2ce7a0b8d9354cbd84e8987d19715f6cb4b621b4f1ccd020fa8a443a95225f93df229a835e5fbc4b9c6749d02734df8d0f7fef63033b9e4969b60e2
 EBUILD clang-15.0.0.9999.ebuild 12204 BLAKE2B e4a9fbefeca8967edd37366d0eb8836694da5b08064e8e0e7a0ffb1c49abca2ee76e58a12f42497aa2b2f608a60a869a9cfcbe310e5cf66f70c46cd3f076a485 SHA512 8326ae79c6c60db0b63645aab3f5d1a22b44be27f86a1b4306a6a88db8af985d2af4ef840e69203c87f68be2b1e874596556993eb344b10c6ba19ca66f97c436
 MISC metadata.xml 1419 BLAKE2B 67e54312c45894825e644eec3b17f9d788a31beb8d8acf9fd5dfb604a02e35f01a0825d71547716e78b8aad9d4f7ca4d7f6a9085afc3235e3e4ed16dd46d526e SHA512 04981d6d909c239a8183cff0cd87418d88a1b3bb4c3848a88cb82164d0c5e234ab766d9a3339293502543c3ce92f7ab4fa9c3202fb45833429511e0f9d9ad584
diff --git a/sys-devel/clang/clang-14.0.6-r1.ebuild b/sys-devel/clang/clang-14.0.6-r1.ebuild
new file mode 100644
index 000000000000..69e141989b82
--- /dev/null
+++ b/sys-devel/clang/clang-14.0.6-r1.ebuild
@@ -0,0 +1,440 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+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="$(ver_cut 1)"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x64-macos"
+IUSE="
+	debug default-compiler-rt default-libcxx default-lld doc
+	llvm-libunwind +pie +static-analyzer test xml
+"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~sys-devel/llvm-${PV}:${SLOT}=[debug=,${MULTILIB_USEDEP}]
+	static-analyzer? ( dev-lang/perl:* )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+"
+
+RDEPEND="
+	${PYTHON_DEPS}
+	${DEPEND}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	>=dev-util/cmake-3.16
+	doc? ( $(python_gen_cond_dep '
+		dev-python/recommonmark[${PYTHON_USEDEP}]
+		dev-python/sphinx[${PYTHON_USEDEP}]
+	') )
+	xml? ( virtual/pkgconfig )
+"
+PDEPEND="
+	sys-devel/clang-common
+	~sys-devel/clang-runtime-${PV}
+	default-compiler-rt? (
+		=sys-libs/compiler-rt-${PV%_*}*
+		llvm-libunwind? ( sys-libs/llvm-libunwind )
+		!llvm-libunwind? ( sys-libs/libunwind )
+	)
+	default-libcxx? ( >=sys-libs/libcxx-${PV} )
+	default-lld? ( sys-devel/lld )
+"
+
+LLVM_COMPONENTS=(
+	clang clang-tools-extra cmake
+	llvm/lib/Transforms/Hello
+)
+LLVM_MANPAGES=1
+LLVM_TEST_COMPONENTS=(
+	llvm/lib/Testing/Support
+	llvm/utils/{lit,llvm-lit,unittest}
+	llvm/utils/{UpdateTestChecks,update_cc_test_checks.py}
+)
+LLVM_PATCHSET=${PV}-r2
+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=${SLOT} llvm_pkg_setup
+	python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# create extra parent dir for relative CLANG_RESOURCE_DIR access
+	mkdir -p x/y || die
+	BUILD_DIR=${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
+
+		# 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-wrapper
+			clang-refactor
+			clang-repl
+			clang-rename
+			clang-scan-deps
+			diagtool
+			hmaptool
+
+			# extra tools
+			clang-apply-replacements
+			clang-change-namespace
+			clang-doc
+			clang-include-fixer
+			clang-move
+			clang-query
+			clang-reorder-fields
+			clang-tidy
+			clang-tidy-headers
+			clangd
+			find-all-symbols
+			modularize
+			pp-trace
+		)
+
+		if llvm_are_manpages_built; then
+			out+=(
+				# manpages
+				docs-clang-man
+				docs-clang-tools-man
+			)
+		fi
+
+		use doc && out+=(
+			docs-clang-html
+			docs-clang-tools-html
+		)
+
+		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 llvm_version=$(llvm-config --version) || die
+	local clang_version=$(ver_cut 1-3 "${llvm_version}")
+
+	local mycmakeargs=(
+		-DLLVM_CMAKE_PATH="${EPREFIX}/usr/lib/llvm/${SLOT}/$(get_libdir)/cmake/llvm"
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}"
+		-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
+		# relative to bindir
+		-DCLANG_RESOURCE_DIR="../../../../lib/clang/${clang_version}"
+
+		-DBUILD_SHARED_LIBS=OFF
+		-DCLANG_LINK_CLANG_DYLIB=ON
+		-DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
+
+		-DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+		-DLLVM_BUILD_TESTS=$(usex test)
+
+		# these are not propagated reliably, so redefine them
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+
+		-DCMAKE_DISABLE_FIND_PACKAGE_LibXml2=$(usex !xml)
+		# libgomp support fails to find headers without explicit -I
+		# furthermore, it provides only syntax checking
+		-DCLANG_DEFAULT_OPENMP_RUNTIME=libomp
+
+		# disable using CUDA to autodetect GPU, just build for all
+		-DCMAKE_DISABLE_FIND_PACKAGE_CUDA=ON
+
+		# override default stdlib and rtlib
+		-DCLANG_DEFAULT_CXX_STDLIB=$(usex default-libcxx libc++ "")
+		-DCLANG_DEFAULT_RTLIB=$(usex default-compiler-rt compiler-rt "")
+		-DCLANG_DEFAULT_LINKER=$(usex default-lld lld "")
+		-DCLANG_DEFAULT_PIE_ON_LINUX=$(usex pie)
+		-DCLANG_DEFAULT_UNWINDLIB=$(usex default-compiler-rt libunwind "")
+
+		-DCLANG_ENABLE_ARCMT=$(usex static-analyzer)
+		-DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+	use test && mycmakeargs+=(
+		-DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
+		-DLLVM_EXTERNAL_LIT="${BUILD_DIR}/bin/llvm-lit"
+		-DLLVM_LIT_ARGS="$(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"
+				-DCLANG-TOOLS_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/tools-extra"
+				-DSPHINX_WARNINGS_AS_ERRORS=OFF
+			)
+		fi
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR="${WORKDIR}"/clang-tools-extra
+			-DCLANG_INCLUDE_DOCS=${build_docs}
+			-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" "${WORKDIR}"/lib/clang || die
+	fi
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-clang
+	multilib_is_native_abi &&
+		cmake_build check-clang-tools check-clangd
+}
+
+src_install() {
+	MULTILIB_WRAPPED_HEADERS=(
+		/usr/include/clang/Config/config.h
+	)
+
+	multilib-minimal_src_install
+
+	# Move runtime headers to /usr/lib/clang, where they belong
+	mv "${ED}"/usr/include/clangrt "${ED}"/usr/lib/clang || die
+	# move (remaining) wrapped headers back
+	mv "${T}"/clang-tidy "${ED}"/usr/include/ || die
+	mv "${ED}"/usr/include "${ED}"/usr/lib/llvm/${SLOT}/include || die
+
+	# Apply CHOST and version suffix to clang tools
+	# note: we use two version components here (vs 3 in runtime path)
+	local llvm_version=$(llvm-config --version) || die
+	local clang_version=$(ver_cut 1 "${llvm_version}")
+	local clang_full_version=$(ver_cut 1-3 "${llvm_version}")
+	local clang_tools=( clang clang++ clang-cl clang-cpp )
+	local abi i
+
+	# cmake gives us:
+	# - clang-X
+	# - clang -> clang-X
+	# - clang++, clang-cl, clang-cpp -> clang
+	# we want to have:
+	# - clang-X
+	# - clang++-X, clang-cl-X, clang-cpp-X -> clang-X
+	# - clang, clang++, clang-cl, clang-cpp -> clang*-X
+	# also in CHOST variant
+	for i in "${clang_tools[@]:1}"; do
+		rm "${ED}/usr/lib/llvm/${SLOT}/bin/${i}" || die
+		dosym "clang-${clang_version}" "/usr/lib/llvm/${SLOT}/bin/${i}-${clang_version}"
+		dosym "${i}-${clang_version}" "/usr/lib/llvm/${SLOT}/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 "${i}-${clang_version}" \
+				"/usr/lib/llvm/${SLOT}/bin/${abi_chost}-${i}-${clang_version}"
+			dosym "${abi_chost}-${i}-${clang_version}" \
+				"/usr/lib/llvm/${SLOT}/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 "${ED}"/usr/lib/llvm/${SLOT}/include "${ED}"/usr/include || die
+	mv "${ED}"/usr/lib/llvm/${SLOT}/$(get_libdir)/clang "${ED}"/usr/include/clangrt || die
+	if multilib_is_native_abi; then
+		# don't wrap clang-tidy headers, the list is too long
+		# (they're fine for non-native ABI but enabling the targets is problematic)
+		mv "${ED}"/usr/include/clang-tidy "${T}/" || die
+	fi
+}
+
+multilib_src_install_all() {
+	python_fix_shebang "${ED}"
+	if use static-analyzer; then
+		python_optimize "${ED}"/usr/lib/llvm/${SLOT}/share/scan-view
+	fi
+
+	docompress "/usr/lib/llvm/${SLOT}/share/man"
+	llvm_install_manpages
+	# match 'html' non-compression
+	use doc && docompress -x "/usr/share/doc/${PF}/tools-extra"
+	# +x for some reason; TODO: investigate
+	use static-analyzer && fperms a-x "/usr/lib/llvm/${SLOT}/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 "  ${EROOT}/usr/lib/llvm/${SLOT}/share/clang"
+	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"
+}
+
+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/llvm/Manifest b/sys-devel/llvm/Manifest
index c396decdefb0..9ce55a581bd0 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -4,6 +4,7 @@ DIST llvm-14.0.6-manpages.tar.bz2 214038 BLAKE2B c1ec35a5eeb35b720bf9a3a5ea9820e
 DIST llvm-gentoo-patchset-13.0.1.tar.xz 6288 BLAKE2B 899222b962486e924e4f8a2b574d285531a3f87af9385ff68c81db92aa224a0cde6d4ee049b5405056bedb4b232b50e1d5840024071a4a215f6311853304c92d SHA512 b2805337f1deca626768a44c5e7ac9ed16e0c31bead1647d44a493a8123c1b8e8f1c8ceee3536bcc6fa87fdd3fcec408229f701adf30eff07e7ef9889b847b01
 DIST llvm-gentoo-patchset-14.0.4.tar.xz 4072 BLAKE2B cbd8804e33069ca2709503931545a57cfd33c06f28696d876d499285e9add9487a069495b756bbb94d29a162c39ece651defddd302e3ac523c5484c09fb3d2ea SHA512 db00268d01e7ec99b907321384c02468a53020386ee4fc819fabfc1cd0784323044931dac42437968d5fd37190da1b9f8f847af553a65a0595c33cecfd82c293
 DIST llvm-gentoo-patchset-14.0.6-r1.tar.xz 5960 BLAKE2B eadca4c09c216674fa27301670e2609a054d5d6df938502c37bb0e0c011cb7d9284eeb5eb223d3aba386ea2d6255d6a34d85913b976268c4d252764361669d81 SHA512 f4cb73c4a07206cae170cda5c2f2244431c0ce1f7f3c8b79a7253957b998cb4f3225737ec2a049d26eebabe9482378c7e9a5e6e069a6f96890ef8f85c599f07c
+DIST llvm-gentoo-patchset-14.0.6-r2.tar.xz 16120 BLAKE2B e12e522fdb7ba505693c679cb09cc8e00e6a954df195c86c2af4dbf1b68334a405b8dcc45f2e28b5e5e0b7e9d5eb7ba907337027927371b7a3b7784ff8aae7e0 SHA512 8a5ea71c30fc0727cc855dd812bbcb6d5f51c80c98eb3d5b80258d5c5eaab1310edc9d53ae63c2ca827abec68e2912c4b69ef0da351ff883fb30545a61e1d09c
 DIST llvm-gentoo-patchset-14.0.6.tar.xz 4544 BLAKE2B b613582fa048837303168a2d62835688128621236022ca6c232293cb2e4549174ef256e7dcd8303bfef6d5456d0459ddb2cbda4a4d323b82901da4c16f15dcc4 SHA512 fb89a3186c5bffdc6245ed103d79fe6802a86986bd43891b7e128955bd546dffcb5b4083ac9e7966f67ce8dd82322756a11428ab4c62d21f012d614062adab35
 DIST llvm-gentoo-patchset-9999-r3.tar.xz 4076 BLAKE2B 30bdf740606a1718ae45d850803385d425b656fbbe0250f587cad54f55272e3617d5ee0d04f534a58f87408b0a2dea322ebf1bb8cd653a2beba21d0bc5778c62 SHA512 2c7080ffd09d7dcf4c72a97044a5c63ab895250721d60270bc51c2095aef5f9039781892b4c0d14e942611686153f874a1f52a1c854bb8ca093383c08bdc005a
 DIST llvm-project-14.0.6.src.tar.xz 105618228 BLAKE2B ee67c5407df8cef493b9c0004f15e428f22a536a17e5f4e3eb29a003b8a8ec0abe0fa3e072591161d5f30ef7d8867c1ce34d1b341ad858e93c00263499941a99 SHA512 6fc6eeb60fac698702d1aac495fc0161eb7216a1f8db2020af8fccec5837831f7cc20dc2a169bf4f0b5f520748280b4a86621f3697d622aa58faaa45dbfaad13
@@ -13,6 +14,7 @@ DIST llvmorg-14.0.4.tar.gz 158088617 BLAKE2B 7fb894548dce72593a8639b4d0220d24995
 EBUILD llvm-13.0.1.ebuild 12248 BLAKE2B c738c2e0b31f6ac53eb8ac3db3d179e4facc143814643b110b531352c3edcd07f6772fb9598ea582c10f7aa0c86e8795f6299319be9978b60d1fa317722908a8 SHA512 af69d8c2a4dd83f25110ba308fa183da46e3593fe230f4a1cfc14607192342e28a5277bc444e63d8d7a6e77d40e3da8e85841d8572ed2c73789ebb625ebe722f
 EBUILD llvm-14.0.4.ebuild 12614 BLAKE2B bf141308bf2b7664bad6d95fcdfee8a39945647cc141d30d7dc6c03a3985051dc1b7414c478e4b2e660f561f735a7d3aae9adf54434e573de75e622418f0e812 SHA512 0673b883783c83d51b689c3cbd7389a83a8ece4f1924cf94512364ec54817e573b158f6a8763a186399df1a1f5ebf249a58323d6e5156d95407a5a97933e637a
 EBUILD llvm-14.0.6-r1.ebuild 12636 BLAKE2B a362de71cfa9259d777d37686aabd510a7101ec9f944aa3feb3e346d7e0f28e0bb728d9b6500140108a6aec1a81f2bc80b73706a9cc9ff79fc6f7c388f2c5714 SHA512 1e89be5645ff8ef7646ad612ef77aed1ec415f1c7e0a76481e7991ebb2ddd3aac63b7564ceac9c6cfd6059f002ccb1d03e4327e21ed63c7f96ece4c3a699e912
+EBUILD llvm-14.0.6-r2.ebuild 12636 BLAKE2B e99f23f7d97996e581ac17f5d25ab9a98bba197c8a0b057122d0b15f60658e8c968e8a85f2757a1a4ea4c60d107df1e647cb0726a87d8f7acdb26ebaf5cf961c SHA512 65cf81ee38f637d5a29183406cfba5682f94d440459f39a528b40a18b7970428d6b00a9f56fd048d693118faf55ffd59bd45cd510a13bb3d2d06341e212324c9
 EBUILD llvm-14.0.6.ebuild 12619 BLAKE2B a8ed599b9cdd7de9b5b84c8d9ff2f57a15b370860dfeacfb11396b3ed073452bd923f42c7fe25effb0e4fbfbc8326a06cddb35cbb28248e373ee9f026322899e SHA512 3e21863d291d52dde9b56e1a2b30134a9779ee23ae0ecf00a401803bb3e13c416188775ded38cf854e340bc080d481e21de8867974c4d67c8698cb39c4c7fad6
 EBUILD llvm-15.0.0.9999.ebuild 12466 BLAKE2B 5341af08398b78d3018bd19697fe7086efa78f6dadeb02eca671562562b7161c63b8fb2b8998f6897193d2869078f65920aeda16b951924c2ebabb1e0a44bbb6 SHA512 a4e296ac4be0827f7cea66f0710406f0296102c4df1be9a4e0c155c2fe07fd5b93520aa5183fc2acc13098805fb193aee6eb7262cb668dbbd0a8de52fc47dc43
 MISC metadata.xml 2654 BLAKE2B c27983265b6c9b33200ee42565648f30a6cc9c51be53a1cb82a3353d7c1f7aa9c9501c58254280c2880ff2d4992b4834e4b5e2f1c9b1c60e9b21945f234b9973 SHA512 b331d9186908762907f5713b00e357785b62afbee83afefac8701beb1a20f7ebd68df4a030bb82c6f9164719d4ccfcaf16c189833ad40e9f5900c36247d9cff2
diff --git a/sys-devel/llvm/llvm-14.0.6-r2.ebuild b/sys-devel/llvm/llvm-14.0.6-r2.ebuild
new file mode 100644
index 000000000000..c841b9484ee5
--- /dev/null
+++ b/sys-devel/llvm/llvm-14.0.6-r2.ebuild
@@ -0,0 +1,530 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+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="$(ver_cut 1)"
+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"
+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}] )
+"
+DEPEND="
+	${RDEPEND}
+	binutils-plugin? ( sys-libs/binutils-libs )
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-lang/perl
+	>=dev-util/cmake-3.16
+	sys-devel/gnuconfig
+	kernel_Darwin? (
+		<sys-libs/libcxx-$(ver_cut 1-3).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 )
+	test? (
+		sys-apps/which
+	)
+"
+# There are no file collisions between these versions but having :0
+# installed means llvm-config there will take precedence.
+RDEPEND="
+	${RDEPEND}
+	!sys-devel/llvm:0
+"
+PDEPEND="
+	sys-devel/llvm-common
+	binutils-plugin? ( >=sys-devel/llvmgold-${SLOT} )
+"
+
+LLVM_COMPONENTS=( llvm cmake third-party )
+LLVM_MANPAGES=1
+LLVM_PATCHSET=${PV}-r2
+LLVM_USE_TARGETS=provide
+llvm.org_set_globals
+
+python_check_deps() {
+	use doc || return 0
+
+	python_has_version -b "dev-python/recommonmark[${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
+
+	# remove regressing test
+	# https://github.com/llvm/llvm-project/issues/55761
+	rm test/Other/ChangePrinters/DotCfg/print-changed-dot-cfg.ll || die
+}
+
+# Is LLVM being linked against libc++?
+is_libcxx_linked() {
+	local code='#include <ciso646>
+#if defined(_LIBCPP_VERSION)
+	HAVE_LIBCXX
+#endif
+'
+	local out=$($(tc-getCXX) ${CXXFLAGS} ${CPPFLAGS} -x c++ -E -P - <<<"${code}") || return 1
+
+	[[ ${out} == *HAVE_LIBCXX* ]]
+}
+
+get_distribution_components() {
+	local sep=${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
+
+			# 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-debuginfod-find
+			llvm-diff
+			llvm-dis
+			llvm-dlltool
+			llvm-dwarfdump
+			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-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/${SLOT}"
+		-DLLVM_LIBDIR_SUFFIX=${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_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=$(usex exegesis)
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+		-DLLVM_ENABLE_Z3_SOLVER=$(usex z3)
+
+		-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="${PYTHON}"
+
+		# disable OCaml bindings (now in dev-ml/llvm-ocaml)
+		-DOCAMLFIND=NO
+	)
+
+	if is_libcxx_linked; then
+		# Smart hack: alter version suffix -> SOVERSION when linking
+		# against libc++. This way we won't end up mixing LLVM libc++
+		# libraries with libstdc++ clang, and the other way around.
+		mycmakeargs+=(
+			-DLLVM_VERSION_SUFFIX="libcxx"
+			-DLLVM_ENABLE_LIBCXX=ON
+		)
+	fi
+
+#	Note: go bindings have no CMake rules at the moment
+#	but let's kill the check in case they are introduced
+#	if ! multilib_is_native_abi || ! use go; then
+		mycmakeargs+=(
+			-DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND
+		)
+#	fi
+
+	use test && mycmakeargs+=(
+		-DLLVM_LIT_ARGS="$(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="${EPREFIX}/usr/lib/llvm/${SLOT}/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/${SLOT}/bin/llvm-tblgen"
+		[[ -x "${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="${CPPFLAGS} -DNDEBUG"
+	cmake_src_configure
+
+	grep -q -E "^CMAKE_PROJECT_VERSION_MAJOR(:.*)?=$(ver_cut 1)$" \
+			CMakeCache.txt ||
+		die "Incorrect version, did you update _LLVM_MASTER_MAJOR?"
+	multilib_is_native_abi && check_distribution_components
+}
+
+multilib_src_compile() {
+	cmake_build distribution
+
+	pax-mark m "${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 "${BUILD_DIR}"/unittests/Support/SupportTests
+	fi
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check
+}
+
+src_install() {
+	local MULTILIB_CHOST_TOOLS=(
+		/usr/lib/llvm/${SLOT}/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/${SLOT}/include || die
+}
+
+multilib_src_install() {
+	DESTDIR=${D} cmake_build install-distribution
+
+	# move headers to /usr/include for wrapping
+	rm -rf "${ED}"/usr/include || die
+	mv "${ED}"/usr/lib/llvm/${SLOT}/include "${ED}"/usr/include || die
+
+	LLVM_LDPATHS+=( "${EPREFIX}/usr/lib/llvm/${SLOT}/$(get_libdir)" )
+}
+
+multilib_src_install_all() {
+	local revord=$(( 9999 - ${SLOT} ))
+	newenvd - "60llvm-${revord}" <<-_EOF_
+		PATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
+		# we need to duplicate it in ROOTPATH for Portage to respect...
+		ROOTPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
+		MANPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
+		LDPATH="$( IFS=:; echo "${LLVM_LDPATHS[*]}" )"
+	_EOF_
+
+	docompress "/usr/lib/llvm/${SLOT}/share/man"
+	llvm_install_manpages
+}
+
+pkg_postinst() {
+	elog "You can find additional opt-viewer utility scripts in:"
+	elog "  ${EROOT}/usr/lib/llvm/${SLOT}/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)"
+}