gentoo auto-resync : 19:09:2023 - 23:10:29

2 files changed, 537 insertions, 0 deletions

diff --git a/sys-devel/llvm/Manifest b/sys-devel/llvm/Manifest
index 839780a2913c..0c94cac31533 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -1,6 +1,7 @@
 DIST llvm-14.0.6-manpages.tar.bz2 218186 BLAKE2B 4491296e490936a2d7b518e19a0ff6312b89abeef3fbe5da5d0b93bb2add1088ddf64a0b00ec8846062d19b1ad31e53eadee7ce03c9034aab554e183d1baccf6 SHA512 f8328dc2ec1e8d941d47e583ee31fae7bdcebb3f854b5c8a4a84bd19a79bf5427ad204012c81349bc05a291e41cf48e5129b4578bbd5d4490dd01e1c0b5823bf
 DIST llvm-15.0.7-manpages.tar.bz2 228425 BLAKE2B 573b030a32407cfe241fb2c8c62bed8e7c54f9daf4b8cffdd2d4e5ca2e40b5ec5ed3724475aedf77119be1a4d9de847a989e933d315e6d94908e407a19c98047 SHA512 86d5eeea2757b0a627c8d2d6e70a3265fc0207085f4e473cdd6e8b624c719625dead23fd1737742a1bea27b1c4631ef3e8e3041a1122a85fcb49859e5bfbee49
 DIST llvm-16.0.4-manpages.tar.bz2 243154 BLAKE2B 69308e3ec19d750e7249b7c8cd79224c466b879c67dd900e201339486fa7fa4dd6ef9ef5b033b2443b32c3530cc76564fe2856a76f9b466fdab2b5c64148f089 SHA512 2d2b711adbd20a233d0611f81393faa29a2f32f0e64799a9a48185876045023ca1320becd2da110fbcbfce019a38df0d7c13fcaea3770b4fc23aa732eb11321b
+DIST llvm-17.0.1-manpages.tar.bz2 263148 BLAKE2B 6485a261e356eacc4a274f9b8d329b53f11a37a23effea41a12322f6908bbe702dc1a97bfd10293061f01f1dbff8693e9324ab3dce2551e78eab128dbd7fea30 SHA512 963ff1b7aa0cb01ed0c0356a0adc3a315d94e78035e928dc81464f553e722633a17596e421c248968e87e22ae66f1ab9cccda5fd3388d1a6d34b5e9c6140ebcb
 DIST llvm-gentoo-patchset-14.0.6-r4.tar.xz 19360 BLAKE2B 814dd617d237b0bd9c80bdd9d921196b8f93248b731083e79455d4609a05dd15b6847fc227359624abce683ecdaadaefea71dc9b65b7edd1fc3912123fa55054 SHA512 9ac57abc87a63cf31ecd021e6dd44f5f11cd6136fa3b92e89c52a6d13e0ed471f88e6e96160baeac4615eedff7943048a35a98c8d37387894c9c2d1f5df277ce
 DIST llvm-gentoo-patchset-15.0.7-r3.tar.xz 24268 BLAKE2B 6531ae385ecea87bc26dba8ce19b4cde8ff224c80fd81f04c6ded131e305ecfdeb8d29ebd3b68a641d240805dc83eb0ebc7cc85124f02ad0ee66e0f201b91d7e SHA512 66cb33f8b423736b990fb75d4f2d1e5f14c0b03308f403297204dd1a352d72f85f34220fd66d3de5d6df328cdf2ffce03c2a111cb0bb57791cf68a88069ac7df
 DIST llvm-gentoo-patchset-16.0.6.tar.xz 17340 BLAKE2B 37cdf4b38367b4256d4f7a25d1b4f41758e5f81be8e20a1c94a10d6c5e36642e9672121b455e73a0bac2eb40467ef2db4b43789b2912a6790593d97b8b5c27e3 SHA512 2c02b9d8a4c5af9fddcd26c95dc66fffae32cb5b7f85c65a1aa4ed00dd8cd5b01cc1975a711aee63c0b8b11e9dc20f2bc05ea753904eb516892b820f02aff825
@@ -12,12 +13,15 @@ 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-17.0.0rc4.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-17.0.1.src.tar.xz 127830376 BLAKE2B bb3b9f7358df9006307f5eeccfc5c5ee5497498c4f091347924911cb6534e8d930024c35387456af24bf647d9e24a3d927aa49199036fb475018a610b5d792c7 SHA512 6fc1d5ff4fec49ef5bb495ba9d8f9ee9052c10999ec9d3ac8f825c718e3cdd64abd95408c4e5bb7f67eb9a7bfac9e26d2a949c4da9f163b5646c02e8a670ead5
+DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b782d7c9c2a07911d9ede2e3421031bb1b4959bd495c5e39d094aeaf555579b9fe3eb834c1449077c154c629f5db605375e7c SHA512 301a6e6c46d6fee13c86dec1a021c35f6bf3a97e5d6b0aa7b7eac34e7ca52f6cefffc25a9e376250b1eb721a65a5852f2f1948abd432698363a81dd7ee19d81c
 DIST llvm-project-7e5809e7e7bc9a828427b6540a51d45884d8bbbb.tar.gz 197275742 BLAKE2B 17df09155cf3451deffcdd71a4b0602211a4638ad961eb351802028f4fd1b8db870bef817430adb709ea7c1e85f545d7507c06d7fca26869f8a10e6ac6b03967 SHA512 e84aa041aadf3e50376cffd1e92c1447acdca0a2cf8e7df9cca9d0337dfeccb1d022da3a229bb0cfdc9c5fb87215682a1e4f474208b09b8800f30aa0c6e36c4b
 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 12510 BLAKE2B 5b5c8f9fd24e31c4e84ae4b805823cc88d3d8d7998d7de2b4920a3db619b400882e25313cd87a2e6c34f31bf6e210ea20c65a915adfdda94c368515ca36a2259 SHA512 4ada6a4b029c43c988efaeccd88a3772c52f2a476973777b97a4238591199a4bf0696e6a7b7d484e3af1c6eb772c2594bb3637962b1baa23d1b91522f4627c5e
 EBUILD llvm-17.0.0_rc4.ebuild 12688 BLAKE2B f0bd9fbe40fd4a4f4f4195b8466cf7a140033038b0777ac0bf296d80d0f3199b0aa82eba7f1807bc9a9bc16480751fbc801445afb4968043a3681e3bf6420ea9 SHA512 baa56c55ac24f1d9cfc62c9fa93878b9c24b9877f4958178c548187f21496221a8193d61e079ccc04b16abb82030f7ffdca27a7d567f02e72286ccec208b8010
 EBUILD llvm-17.0.1.9999.ebuild 12688 BLAKE2B f0bd9fbe40fd4a4f4f4195b8466cf7a140033038b0777ac0bf296d80d0f3199b0aa82eba7f1807bc9a9bc16480751fbc801445afb4968043a3681e3bf6420ea9 SHA512 baa56c55ac24f1d9cfc62c9fa93878b9c24b9877f4958178c548187f21496221a8193d61e079ccc04b16abb82030f7ffdca27a7d567f02e72286ccec208b8010
+EBUILD llvm-17.0.1.ebuild 12778 BLAKE2B df27a3429a0f09e380a24154c55283a45402a292d82be1a0507269e2c5114735fff1f21881a78f7732bc2924ddc5ed233eb5128557f3f85b6991a12290d2589f SHA512 5d766a4cfcad1640eab6eac1c8f6df2198c8ea4ed3ef86b1bb142acca4fc61bc42c9dde76f6b573cf83bbc9cc72aadf0c04cd331045acfbdfd0d616ce77efd9f
 EBUILD llvm-18.0.0.9999.ebuild 12662 BLAKE2B 197f93ba73d9a6083c9bd9014199183dace77ef12727484de5c685df5530e4c24ad894fe3e79f4061684a5b0adbcdb49019b367161666c2567064ac1d8a09481 SHA512 d7a356937690a0cfd1c8a8a59f1c513b591febf7afd77a798211ae7f83d3afbaa31f6939e152529ce3f0848fbd141e08ea741b77016ae5d405f7ce7b00520937
 EBUILD llvm-18.0.0_pre20230906.ebuild 12662 BLAKE2B 197f93ba73d9a6083c9bd9014199183dace77ef12727484de5c685df5530e4c24ad894fe3e79f4061684a5b0adbcdb49019b367161666c2567064ac1d8a09481 SHA512 d7a356937690a0cfd1c8a8a59f1c513b591febf7afd77a798211ae7f83d3afbaa31f6939e152529ce3f0848fbd141e08ea741b77016ae5d405f7ce7b00520937
 MISC metadata.xml 2782 BLAKE2B 4bd546287f630462c3f5d98cbd15a59a4cdef4023f86a5f4fe64fc5f10256cae7014d18823bd0909f4af4e42f299b6e7983c9c3c569cfab1ad38b0160f1eae40 SHA512 6bf1dc4f71f50e1eecc55cbb8366d8ed82a3dd328871acf1d808fc5e3ee4d203d623f81d9968bda45a87c72a2f20ed69b735b0a289b0052b048175cf6502e124
diff --git a/sys-devel/llvm/llvm-17.0.1.ebuild b/sys-devel/llvm/llvm-17.0.1.ebuild
new file mode 100644
index 000000000000..c6b0aa4bafb6
--- /dev/null
+++ b/sys-devel/llvm/llvm-17.0.1.ebuild
@@ -0,0 +1,533 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit cmake llvm.org multilib-minimal pax-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="https://llvm.org/"
+
+# Additional licenses:
+# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
+# 2. xxhash: BSD.
+# 3. MD5 code: public-domain.
+# 4. ConvertUTF.h: TODO.
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA BSD public-domain rc"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~ppc-macos ~x64-macos"
+IUSE="
+	+binutils-plugin debug debuginfod doc exegesis libedit +libffi
+	ncurses test xar xml z3 zstd
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	sys-libs/zlib:0=[${MULTILIB_USEDEP}]
+	debuginfod? (
+		net-misc/curl:=
+		dev-cpp/cpp-httplib:=
+	)
+	exegesis? ( dev-libs/libpfm:= )
+	libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
+	libffi? ( >=dev-libs/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
+	ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
+	xar? ( app-arch/xar )
+	xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+	z3? ( >=sci-mathematics/z3-4.7.1:0=[${MULTILIB_USEDEP}] )
+	zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
+"
+DEPEND="
+	${RDEPEND}
+	binutils-plugin? ( sys-libs/binutils-libs )
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-lang/perl
+	>=dev-util/cmake-3.16
+	sys-devel/gnuconfig
+	kernel_Darwin? (
+		<sys-libs/libcxx-${LLVM_VERSION}.9999
+		>=sys-devel/binutils-apple-5.1
+	)
+	doc? ( $(python_gen_any_dep '
+		dev-python/recommonmark[${PYTHON_USEDEP}]
+		dev-python/sphinx[${PYTHON_USEDEP}]
+	') )
+	libffi? ( virtual/pkgconfig )
+"
+# There are no file collisions between these versions but having :0
+# installed means llvm-config there will take precedence.
+RDEPEND="
+	${RDEPEND}
+	!sys-devel/llvm:0
+"
+PDEPEND="
+	sys-devel/llvm-common
+	sys-devel/llvm-toolchain-symlinks:${LLVM_MAJOR}
+	binutils-plugin? ( >=sys-devel/llvmgold-${LLVM_MAJOR} )
+"
+
+LLVM_COMPONENTS=( llvm cmake third-party )
+LLVM_MANPAGES=1
+LLVM_USE_TARGETS=provide
+llvm.org_set_globals
+
+python_check_deps() {
+	use doc || return 0
+
+	python_has_version -b "dev-python/recommonmark[${PYTHON_USEDEP}]" &&
+	python_has_version -b "dev-python/sphinx[${PYTHON_USEDEP}]"
+}
+
+check_uptodate() {
+	local prod_targets=(
+		$(sed -n -e '/set(LLVM_ALL_TARGETS/,/)/p' CMakeLists.txt \
+			| tail -n +2 | head -n -1)
+	)
+	local all_targets=(
+		lib/Target/*/
+	)
+	all_targets=( "${all_targets[@]#lib/Target/}" )
+	all_targets=( "${all_targets[@]%/}" )
+
+	local exp_targets=() i
+	for i in "${all_targets[@]}"; do
+		has "${i}" "${prod_targets[@]}" || exp_targets+=( "${i}" )
+	done
+
+	if [[ ${exp_targets[*]} != ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]} ]]; then
+		eqawarn "ALL_LLVM_EXPERIMENTAL_TARGETS is outdated!"
+		eqawarn "    Have: ${ALL_LLVM_EXPERIMENTAL_TARGETS[*]}"
+		eqawarn "Expected: ${exp_targets[*]}"
+		eqawarn
+	fi
+
+	if [[ ${prod_targets[*]} != ${ALL_LLVM_PRODUCTION_TARGETS[*]} ]]; then
+		eqawarn "ALL_LLVM_PRODUCTION_TARGETS is outdated!"
+		eqawarn "    Have: ${ALL_LLVM_PRODUCTION_TARGETS[*]}"
+		eqawarn "Expected: ${prod_targets[*]}"
+	fi
+}
+
+check_distribution_components() {
+	if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then
+		local all_targets=() my_targets=() l
+		cd "${BUILD_DIR}" || die
+
+		while read -r l; do
+			if [[ ${l} == install-*-stripped:* ]]; then
+				l=${l#install-}
+				l=${l%%-stripped*}
+
+				case ${l} in
+					# shared libs
+					LLVM|LLVMgold)
+						;;
+					# TableGen lib + deps
+					LLVMDemangle|LLVMSupport|LLVMTableGen)
+						;;
+					# testing libraries
+					LLVMTestingAnnotations|LLVMTestingSupport)
+						;;
+					# static libs
+					LLVM*)
+						continue
+						;;
+					# meta-targets
+					distribution|llvm-libraries)
+						continue
+						;;
+					# used only w/ USE=doc
+					docs-llvm-html)
+						use doc || continue
+						;;
+				esac
+
+				all_targets+=( "${l}" )
+			fi
+		done < <(${NINJA} -t targets all)
+
+		while read -r l; do
+			my_targets+=( "${l}" )
+		done < <(get_distribution_components $"\n")
+
+		local add=() remove=()
+		for l in "${all_targets[@]}"; do
+			if ! has "${l}" "${my_targets[@]}"; then
+				add+=( "${l}" )
+			fi
+		done
+		for l in "${my_targets[@]}"; do
+			if ! has "${l}" "${all_targets[@]}"; then
+				remove+=( "${l}" )
+			fi
+		done
+
+		if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then
+			eqawarn "get_distribution_components() is outdated!"
+			eqawarn "   Add: ${add[*]}"
+			eqawarn "Remove: ${remove[*]}"
+		fi
+		cd - >/dev/null || die
+	fi
+}
+
+src_prepare() {
+	# disable use of SDK on OSX, bug #568758
+	sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
+
+	# Update config.guess to support more systems
+	cp "${BROOT}/usr/share/gnuconfig/config.guess" cmake/ || die
+
+	# Verify that the ebuild is up-to-date
+	check_uptodate
+
+	llvm.org_src_prepare
+}
+
+get_distribution_components() {
+	local sep=${1-;}
+
+	local out=(
+		# shared libs
+		LLVM
+		LTO
+		Remarks
+
+		# tools
+		llvm-config
+
+		# common stuff
+		cmake-exports
+		llvm-headers
+
+		# libraries needed for clang-tblgen
+		LLVMDemangle
+		LLVMSupport
+		LLVMTableGen
+
+		# testing libraries
+		llvm_gtest
+		llvm_gtest_main
+		LLVMTestingAnnotations
+		LLVMTestingSupport
+	)
+
+	if multilib_is_native_abi; then
+		out+=(
+			# utilities
+			llvm-tblgen
+			FileCheck
+			llvm-PerfectShuffle
+			count
+			not
+			yaml-bench
+			UnicodeNameMappingGenerator
+
+			# tools
+			bugpoint
+			dsymutil
+			llc
+			lli
+			lli-child-target
+			llvm-addr2line
+			llvm-ar
+			llvm-as
+			llvm-bcanalyzer
+			llvm-bitcode-strip
+			llvm-c-test
+			llvm-cat
+			llvm-cfi-verify
+			llvm-config
+			llvm-cov
+			llvm-cvtres
+			llvm-cxxdump
+			llvm-cxxfilt
+			llvm-cxxmap
+			llvm-debuginfo-analyzer
+			llvm-debuginfod-find
+			llvm-diff
+			llvm-dis
+			llvm-dlltool
+			llvm-dwarfdump
+			llvm-dwarfutil
+			llvm-dwp
+			llvm-exegesis
+			llvm-extract
+			llvm-gsymutil
+			llvm-ifs
+			llvm-install-name-tool
+			llvm-jitlink
+			llvm-jitlink-executor
+			llvm-lib
+			llvm-libtool-darwin
+			llvm-link
+			llvm-lipo
+			llvm-lto
+			llvm-lto2
+			llvm-mc
+			llvm-mca
+			llvm-ml
+			llvm-modextract
+			llvm-mt
+			llvm-nm
+			llvm-objcopy
+			llvm-objdump
+			llvm-opt-report
+			llvm-otool
+			llvm-pdbutil
+			llvm-profdata
+			llvm-profgen
+			llvm-ranlib
+			llvm-rc
+			llvm-readelf
+			llvm-readobj
+			llvm-reduce
+			llvm-remark-size-diff
+			llvm-remarkutil
+			llvm-rtdyld
+			llvm-sim
+			llvm-size
+			llvm-split
+			llvm-stress
+			llvm-strings
+			llvm-strip
+			llvm-symbolizer
+			llvm-tapi-diff
+			llvm-tli-checker
+			llvm-undname
+			llvm-windres
+			llvm-xray
+			obj2yaml
+			opt
+			sancov
+			sanstats
+			split-file
+			verify-uselistorder
+			yaml2obj
+
+			# python modules
+			opt-viewer
+		)
+
+		if llvm_are_manpages_built; then
+			out+=(
+				# manpages
+				docs-dsymutil-man
+				docs-llvm-dwarfdump-man
+				docs-llvm-man
+			)
+		fi
+		use doc && out+=(
+			docs-llvm-html
+		)
+
+		use binutils-plugin && out+=(
+			LLVMgold
+		)
+		use debuginfod && out+=(
+			llvm-debuginfod
+		)
+	fi
+
+	printf "%s${sep}" "${out[@]}"
+}
+
+multilib_src_configure() {
+	local ffi_cflags ffi_ldflags
+	if use libffi; then
+		ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
+		ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		# disable appending VCS revision to the version to improve
+		# direct cache hit ratio
+		-DLLVM_APPEND_VC_REV=OFF
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+		-DBUILD_SHARED_LIBS=OFF
+		-DLLVM_BUILD_LLVM_DYLIB=ON
+		-DLLVM_LINK_LLVM_DYLIB=ON
+		-DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
+
+		# cheap hack: LLVM combines both anyway, and the only difference
+		# is that the former list is explicitly verified at cmake time
+		-DLLVM_TARGETS_TO_BUILD=""
+		-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+		-DLLVM_INCLUDE_BENCHMARKS=OFF
+		-DLLVM_INCLUDE_TESTS=ON
+		-DLLVM_BUILD_TESTS=$(usex test)
+		-DLLVM_INSTALL_GTEST=ON
+
+		-DLLVM_ENABLE_FFI=$(usex libffi)
+		-DLLVM_ENABLE_LIBEDIT=$(usex libedit)
+		-DLLVM_ENABLE_TERMINFO=$(usex ncurses)
+		-DLLVM_ENABLE_LIBXML2=$(usex xml)
+		-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
+		-DLLVM_ENABLE_LIBPFM=$(usex exegesis)
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+		-DLLVM_ENABLE_Z3_SOLVER=$(usex z3)
+		-DLLVM_ENABLE_ZSTD=$(usex zstd)
+		-DLLVM_ENABLE_CURL=$(usex debuginfod)
+		-DLLVM_ENABLE_HTTPLIB=$(usex debuginfod)
+
+		-DLLVM_HOST_TRIPLE="${CHOST}"
+
+		-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+		-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+		# used only for llvm-objdump tool
+		-DLLVM_HAVE_LIBXAR=$(multilib_native_usex xar 1 0)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+
+		# disable OCaml bindings (now in dev-ml/llvm-ocaml)
+		-DOCAMLFIND=NO
+	)
+
+	local suffix=
+	if [[ -n ${EGIT_VERSION} && ${EGIT_BRANCH} != release/* ]]; then
+		# the ABI of the main branch is not stable, so let's include
+		# the commit id in the SOVERSION to contain the breakage
+		suffix+="git${EGIT_VERSION::8}"
+	fi
+	if [[ $(tc-get-cxx-stdlib) == libc++ ]]; then
+		# Smart hack: alter version suffix -> SOVERSION when linking
+		# against libc++. This way we won't end up mixing LLVM libc++
+		# libraries with libstdc++ clang, and the other way around.
+		suffix+="+libcxx"
+		mycmakeargs+=(
+			-DLLVM_ENABLE_LIBCXX=ON
+		)
+	fi
+	mycmakeargs+=(
+		-DLLVM_VERSION_SUFFIX="${suffix}"
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+	)
+
+	if multilib_is_native_abi; then
+		local build_docs=OFF
+		if llvm_are_manpages_built; then
+			build_docs=ON
+			mycmakeargs+=(
+				-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+				-DLLVM_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+				-DSPHINX_WARNINGS_AS_ERRORS=OFF
+			)
+		fi
+
+		mycmakeargs+=(
+			-DLLVM_BUILD_DOCS=${build_docs}
+			-DLLVM_ENABLE_OCAMLDOC=OFF
+			-DLLVM_ENABLE_SPHINX=${build_docs}
+			-DLLVM_ENABLE_DOXYGEN=OFF
+			-DLLVM_INSTALL_UTILS=ON
+		)
+		use binutils-plugin && mycmakeargs+=(
+			-DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
+		)
+	fi
+
+	# 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)"
+}