gentoo auto-resync : 05:09:2023 - 22:24:31

2 files changed, 479 insertions, 0 deletions

diff --git a/sys-devel/clang/Manifest b/sys-devel/clang/Manifest
index b8ecf4950e37..7570be20be41 100644
--- a/sys-devel/clang/Manifest
+++ b/sys-devel/clang/Manifest
@@ -7,6 +7,7 @@ DIST llvm-gentoo-patchset-15.0.7-r3.tar.xz 24268 BLAKE2B 6531ae385ecea87bc26dba8
 DIST llvm-gentoo-patchset-15.0.7.tar.xz 19300 BLAKE2B b70e81d744c2eba5cd851e7b690ce8979b3064973f522be7c93bfb541860000a4bc8b17219f8788dfc8a527217dd13946cf7836640698ddd3d4b3fde493dfbf8 SHA512 daffff6ae4a0874aff1a423b4bb36701ecb5a35a36ae91d4ed7fda58b83e50ffcdc30498c84be4711fd3e1f227bf312dbe930019203e0a131944439af2aa94f7
 DIST llvm-gentoo-patchset-16.0.6.tar.xz 17340 BLAKE2B 37cdf4b38367b4256d4f7a25d1b4f41758e5f81be8e20a1c94a10d6c5e36642e9672121b455e73a0bac2eb40467ef2db4b43789b2912a6790593d97b8b5c27e3 SHA512 2c02b9d8a4c5af9fddcd26c95dc66fffae32cb5b7f85c65a1aa4ed00dd8cd5b01cc1975a711aee63c0b8b11e9dc20f2bc05ea753904eb516892b820f02aff825
 DIST llvm-gentoo-patchset-17.0.0-rc3.tar.xz 1184 BLAKE2B 8ea3a61e7b576bbd024d0ba4150ba1ab6e8849abb7ac622cb3200db7ac2d2421f377edf02c21febb6154c91d018ef93ed62a6ad2c69f834cf7aacf9f4b6a3f73 SHA512 75dacfe5039515984a9fe4d50dd5bb1e59290c8064c6edce04bde662c2062eedf8ecaaa7d12a47ab970cff31763ea3613d730b1b1fd0787afc83ba8ef7e0cdd9
+DIST llvm-gentoo-patchset-17.0.0-rc4.tar.xz 912 BLAKE2B e9eb539806bb798560d1d5459eb1f0836268a1b5eec75b810ce71456b56071a7d72ed6b4f5ca236afbbcfa91899c0996ae825083710b1a20e199268e7485e2b4 SHA512 625d2a4a13d1bd404b724146bd4cfada80093f7d4248dea7054fd8dfe79d15313ca521c67317693ef97435213c4b673318ec6ed88c1940e3fb0e6c2c0db08284
 DIST llvm-project-14.0.6.src.tar.xz 105618228 BLAKE2B ee67c5407df8cef493b9c0004f15e428f22a536a17e5f4e3eb29a003b8a8ec0abe0fa3e072591161d5f30ef7d8867c1ce34d1b341ad858e93c00263499941a99 SHA512 6fc6eeb60fac698702d1aac495fc0161eb7216a1f8db2020af8fccec5837831f7cc20dc2a169bf4f0b5f520748280b4a86621f3697d622aa58faaa45dbfaad13
 DIST llvm-project-14.0.6.src.tar.xz.sig 566 BLAKE2B cb658ad43d8ab6c43a5773aedadf0569c97b5ee4b1bd58eceb10e1879a30880c741c3d66bedd462c892309b688fb7b2673115a62d1f74d71ee375a578de9547f SHA512 b4a7b368532a7a4a24376cfa7db8f6d3478f6d4446474342fc00b474ecf466330cd0f16783209263c4c72d5fc7ddedfb11b95578842e700cfb7ee0bb34cc95d6
 DIST llvm-project-15.0.7.src.tar.xz 110936452 BLAKE2B f3d277e2029157329e5be78b78af36b0826a1dfd9a337992499bf701e33149665bfc47d5e14978e38f342559629a559f8b2ce328705ba34fdf6830f5ae9721a5 SHA512 4836d3603f32e8e54434cbfa8ef33d9d473ac5dc20ebf9c67132653c73f4524931abd1084655eaee5f20bcfcb91bcc4bbc5c4a0b603ad0c9029c556e14dc4c52
@@ -15,6 +16,8 @@ DIST llvm-project-16.0.6.src.tar.xz 118013488 BLAKE2B 95192d39cbd2914e5609db3659
 DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43dfd4b921649298b10c3d19da308374c1e49869174294e29943c2af459fe06428264e26881d6c1288ebbc48686cc2cf467c7a SHA512 ca249262c7102e0889ec1bdc6f71a3a6f0e7e5d5fbab8abcd6fccd2871e7955eff7af5b055a76006097baf0dfaf2f5069eff3035b3107fc552abdb2481b21447
 DIST llvm-project-17.0.0rc3.src.tar.xz 127805656 BLAKE2B ecaead9f227b8357a5dc5ff21554d9b4f5aa036df1b88676fd8c3e16b438381db062872be396af5246e12cd71812a886016e0331a272dafc3508ecd0bfbb50ed SHA512 5f48b4af2e4f9bc470fcfd42fd48072b7bd442bc676d8401b04fbc6e9014a9a78e1bf524ba78f7ae8a1246222a6b03ca662721e3bf6e9eb03a015dd3306c7234
 DIST llvm-project-17.0.0rc3.src.tar.xz.sig 438 BLAKE2B 7b644cf501d17a6aef9b052e359ba06c1840a75e5263de46d938dbbdea07720b53d7ee6b5861ad641d0f7a7f75c6cc17717847b0ea9cf08873dbfacbe1c19074 SHA512 7059b1a90b7dd8cfa831f9e199a3a817358fd75d7c7d7e6de446d5443fce5831877a28e9b964ea238c1d803f9054bf4f53a97622d5f756f7f99aaa1c1a279f44
+DIST llvm-project-17.0.0rc4.src.tar.xz 127838724 BLAKE2B e3bf524e55db5e4305099ecdff09c0d3eab7957a5f8729eefe636e361460f405fbfd569af38aa39eea3b6c1e024feaa0400f8bc092194f2c3b54c695e7962591 SHA512 be7b5ad136d03864dbd11a589ca9e8b0b04a4226ebcffcc123b3ba72992f704bab4f9550d03eb2ac1d21fb8b73ac7824398b4cb4c9cec2118efb112babfe0f65
+DIST llvm-project-17.0.0rc4.src.tar.xz.sig 438 BLAKE2B 2cda35b4a3ebddfdbe6828459c8bd8fdfaa8e04d2d1c4f2faf16f5c66909186d2dd73e6a163cf733d8955c007249cf3f62f237855d5a76b1b61f3bfa30e4972d SHA512 5f713e05b7c58fab6e9cc43f2f3f69120482c9b60008146da0cddb266d1a5c9b9a77e1e338fce4e15624b332ac53a90c5c4a6f62c58a77f2122a015b4f0ebed2
 DIST llvm-project-e3373c6c83d3855adb78f1952a3bf0398baf359e.tar.gz 196926975 BLAKE2B 9da1052db0a6ff81a8b76cbf9cb2ab7eed5c8798dc5ae6887a4694de8b151c7a1282cfff2da2e8440b1a67d3d12c33db319fbbe6062761b6d5369e6b335821ae SHA512 8bb6d49ddb824e932f7bad3c51e4a6c2227139aaf19c02e9deb15657919bc12ea41844d8fe045061814aefb9031d82b167c7c0c20bedaa09aaffe164a2109f7d
 DIST llvm-project-f6259d9b9a546dbfa5bc2f29313c6edd6c701177.tar.gz 196957045 BLAKE2B c38b17f4e697c090b0b70385e45ca4ce97981746738e556154895d5b57cede90f6b8bdc5f41023bda6e942f07f572aa508cf0107fb81bee80a5ea9f13ac495fd SHA512 8394a42e1963618ed7f7cf7770acb72ae6bf84f3e2351218b5049ea2d76ff6ae768ad5588ffd1b2be1b5228a8fcb03663430814c409ceb9fa5735c891847f816
 EBUILD clang-14.0.6-r1.ebuild 12014 BLAKE2B 0f9eed7779a5b9aa8f92002f6f4d8e22e7baf3d3f6d1930e4716abf3aa00d866f68a682dc2a404655f53800e26c8b388da552184da6943287b2d91c5c1c2672b SHA512 c5e46f1044604f4e41cdb6c42d2079096c0bcdd396d99f8e95a6b5b66918e3519e4226741202f716fa5f53295188ec2bfcec66ae32480a8e10b4ab18bdb880ab
@@ -24,6 +27,7 @@ EBUILD clang-15.0.7-r3.ebuild 12548 BLAKE2B ee294ceb058c489007ebb5b9f6bfdbd8fe0f
 EBUILD clang-16.0.6.ebuild 12462 BLAKE2B 532fbc03f98a4135371238de3f3d933ac321d4ecccb1e1ce2511563a6529a7bd55444dcdfa4b46140b4b592e1174d534be82e9b29fb1161522253e25c86f75fe SHA512 6e2dc62b7281caf5aa2378eb19f8c24023b62814be4f82e678ee8b98f92cc032de64d5feef0f29c7512aadb34a16b8f50e05a8eadc3bf6663f71504045ad3822
 EBUILD clang-17.0.0.9999.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 EBUILD clang-17.0.0_rc3.ebuild 12090 BLAKE2B c10c0f0f8d0451d8294210a8eb1287182ef62919784fdfef86f2419f57edf2e85ba5aa64aaa344cb9bcda62ebf08fa8e5c0e64ee950bee610349b00407e3918a SHA512 3f87f43c3d7903262b0c95a12928cba68df69420631bc96a2037c294cbe0ca7a891bb9cf3d37578e3a2fa8a0854a83018d6469a2b7ace8dcf9b7d2018b8e7a66
+EBUILD clang-17.0.0_rc4.ebuild 12090 BLAKE2B c10c0f0f8d0451d8294210a8eb1287182ef62919784fdfef86f2419f57edf2e85ba5aa64aaa344cb9bcda62ebf08fa8e5c0e64ee950bee610349b00407e3918a SHA512 3f87f43c3d7903262b0c95a12928cba68df69420631bc96a2037c294cbe0ca7a891bb9cf3d37578e3a2fa8a0854a83018d6469a2b7ace8dcf9b7d2018b8e7a66
 EBUILD clang-18.0.0.9999.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 EBUILD clang-18.0.0_pre20230825.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
 EBUILD clang-18.0.0_pre20230829.ebuild 12066 BLAKE2B f8a467f1daa8688c5ff80977800fe0368b39d0c6061d3c790597d4ffb791e96f40013030ce634ab0a38972cca8f79562121ab16f8ecc31ac8a8ad6a283efe114 SHA512 df09fadd53294456b3ecd05c226647195731d3fc787362193c9f5c929aaaa40bc8c1dc02cb8d63eef356f54df271c3fa0a73c4910c9c43afd06f2bd7ff86d9c8
diff --git a/sys-devel/clang/clang-17.0.0_rc4.ebuild b/sys-devel/clang/clang-17.0.0_rc4.ebuild
new file mode 100644
index 000000000000..ebe7d8d65695
--- /dev/null
+++ b/sys-devel/clang/clang-17.0.0_rc4.ebuild
@@ -0,0 +1,475 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit cmake llvm llvm.org multilib multilib-minimal
+inherit prefix python-single-r1 toolchain-funcs
+
+DESCRIPTION="C language family frontend for LLVM"
+HOMEPAGE="https://llvm.org/"
+
+# MSVCSetupApi.h: MIT
+# sorttable.js: MIT
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="+debug doc +extra ieee-long-double +pie +static-analyzer test xml"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~sys-devel/llvm-${PV}:${LLVM_MAJOR}=[debug=,${MULTILIB_USEDEP}]
+	static-analyzer? ( dev-lang/perl:* )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+"
+
+RDEPEND="
+	${PYTHON_DEPS}
+	${DEPEND}
+	>=sys-devel/clang-common-${PV}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	>=dev-util/cmake-3.16
+	doc? ( $(python_gen_cond_dep '
+		dev-python/recommonmark[${PYTHON_USEDEP}]
+		dev-python/sphinx[${PYTHON_USEDEP}]
+	') )
+	xml? ( virtual/pkgconfig )
+"
+PDEPEND="
+	~sys-devel/clang-runtime-${PV}
+	sys-devel/clang-toolchain-symlinks:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=(
+	clang clang-tools-extra cmake
+	llvm/lib/Transforms/Hello
+)
+LLVM_MANPAGES=1
+LLVM_PATCHSET=${PV/_/-}
+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
+}