From 13b130894803eda558b74353eda3bf7504615b38 Mon Sep 17 00:00:00 2001
From: V3n3RiX <venerix@koprulu.sector>
Date: Sun, 4 Jun 2023 09:34:05 +0100
Subject: gentoo auto-resync : 04:06:2023 - 09:34:05

---
 sys-devel/llvm/Manifest                       |   8 +-
 sys-devel/llvm/llvm-16.0.4.ebuild             |   4 +-
 sys-devel/llvm/llvm-16.0.5.9999.ebuild        |   4 +-
 sys-devel/llvm/llvm-16.0.5.ebuild             |   4 +-
 sys-devel/llvm/llvm-17.0.0_pre20230602.ebuild | 533 ++++++++++++++++++++++++++
 5 files changed, 547 insertions(+), 6 deletions(-)
 create mode 100644 sys-devel/llvm/llvm-17.0.0_pre20230602.ebuild

(limited to 'sys-devel/llvm')

diff --git a/sys-devel/llvm/Manifest b/sys-devel/llvm/Manifest
index 5aa6730b8b83..4d3adb985d08 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -17,14 +17,16 @@ DIST llvm-project-16.0.4.src.tar.xz.sig 566 BLAKE2B 43cb2147f12f98f864797158e8ef
 DIST llvm-project-16.0.5.src.tar.xz 118000368 BLAKE2B 9f84e6bab450dc8d6379771afbca5cddc6fbad6c9728726f7158f290ab87d464ff657e89e1c8fc3c474362cc865ff13c5d55ef758c848ea3e660d732cb2fdefa SHA512 7008e7e9c8c2246fe98ba3f0c0fa91e41c88c4da427bf1cfdcce7ef57e5ea838efe7c58c523a7d1708e70d64a4338afe16d06fba2fc7ac5a6c19ca3d6ee41e99
 DIST llvm-project-16.0.5.src.tar.xz.sig 566 BLAKE2B 4c96f294f350e0086f8504a54c3387308c60efb573c8def40aec45b1918d43e36c44bafb0823625b6cefa5d99b3aacd7823d6c92c7a64a737653d5b51839a924 SHA512 4550c7c6a1b6ea603d1499aba5aca746f3948a00e7567604f5e7dc3b215a34357bad382a7ebea1f6cd7952841cb75a0dfbe2c278a8c6fcb630a5035b3e16e869
 DIST llvm-project-a2684acfb61d40f441e240035d7f1ba50da637c8.tar.gz 184900914 BLAKE2B fb1f836738415a640bc84283722f6a7355a06bc8ac05b544dd4ad4ac9552dcf70040b82b0493c5b4485b28610412279ec0adcf467e71915167aa7d010c08216e SHA512 c08ff8abc166399e692d3166ccf65eb4b647893cba8ffc10bcda815bc914a944855bac036d6349f6d820a6ff43d5417170e6ff8620d97a2a144a0898e95d09e3
+DIST llvm-project-f9753ef1893c3d953a0244e7935d3997499b079a.tar.gz 185505236 BLAKE2B 570a8937788027ee2cef0dad6be693c57b4a5634c0c1fc2bc1c2f534fb4ae00203f14b1bcf0a0f241e7e1e8c25120dc6ea7ede2a10bed397e1cc377318ebe7a0 SHA512 c12eade7c9790ec2a790017b1451a15f0ff7d1b60879f08a448edcb4f162703650b244fdc2fc284335dff4b2a37ef5d488e0d771abee79b49cac94b9e478f010
 EBUILD llvm-14.0.6-r2.ebuild 12389 BLAKE2B 549b4e1c7feceb40c7e5aaa624925ec08627c84236c460f85a044621dc388cfca248f8a311c657a3b3dadbd367472f3c820a635c14246f74fdac98dd2ddf6fd1 SHA512 8559954b641fc007c92d4b3e2fcc129bdd812f974dccf37d74f61cb9d7414e28cbb41d7088767356035b972c1e417561770a89169676841e762e62644c6d0323
 EBUILD llvm-14.0.6-r4.ebuild 12320 BLAKE2B 171c0d33e97ea1298768370982a54cf3ca16a223c3778511eb50fe37e256e34c40a2060e70e11be52bf808dc515b3d01378252cc34e173fa0b7753b17e33af36 SHA512 c18ab71a04325b2670df733699da5f5a4a7b414fcfcec00422337831edaf4600faad2ff059867a945be51183446400c21f153c891a4bdcb6c748e44e6bb6b730
 EBUILD llvm-15.0.7-r3.ebuild 12493 BLAKE2B 86343f2e904e6e4bbd653656c359470fb94909d48ca2e4f78e1f48bc183fba98c830569e92ac157d8a98471a5500c0a48c3eda3e13bb69d4abc204702a2b865c SHA512 aa7f3438deac9d07bf78dd44e0bc33a1b39f7a3ae4c930ab9908559604b28b3dbd22efbe43152eeeaf36352afff86e3c03ed10717d5e0aa0e983fbafd8aff971
 EBUILD llvm-15.0.7.ebuild 12558 BLAKE2B 1f73f500a38ee4e96438a5e478781a562d48e10d550cd6c5beaf37a754ead1f0bedb121be78c6bee229f694cb085ee665f7b33a44eacba0d6eeaa42b545f6ca7 SHA512 92dd8f7f8554ee24978ef4e1409f5356a95455d2b5006da0a5dbf27cc277962916a0e93d2f7630a0eb3a9f3a1167eb9aeec0a319de3637c5762a7c391d3f5330
 EBUILD llvm-16.0.3.ebuild 12490 BLAKE2B 95b6ae05f64728668134ff348e5d084346285425e57c69a7345a44f85c832523b1219a76c3b2c6274e190b869569be3f91d9e5c0298e13167f3e6e0e8d676f66 SHA512 eec238ccb340ad901e130d984349ee4a9788bec4cd7def73a6c946becd1b86b74ee044e39cda48f892017a06e2a381a0424caaf44d073a51c64625c3b45411ba
-EBUILD llvm-16.0.4.ebuild 12421 BLAKE2B 49bea7429ddde3c8ba494952394d7f2b40c244cfa67bae63b3b65a24e13e461f57569d2cbcad7576dfed59c3e377b3a9f0e42c7a19fdf8cd577781636773bc8b SHA512 6e618b38abfa2dec9bc20c56ec5457a37d41063d9f3aff0b5f36d540ce7d07abec5e6223168478ff0f581a04deb4f10a9164fa370b8402b16e9ea43eb2da6dbb
-EBUILD llvm-16.0.5.9999.ebuild 12330 BLAKE2B 0ba8d556723f15cedb1c2296653dd33f6143c9c8d918214dc03645b0726b515cbe8221933ae041bec208bb5a5efc92b7797cbec7b8d5a6a195bc07e5c232cc69 SHA512 50483aafb23649384818a248b5d7a01d2788ec4601cf4926329315727d76a67e2515f76bb29c0665e6a537afc87b08c91aab80e6ad2da5a90906d978019c4646
-EBUILD llvm-16.0.5.ebuild 12421 BLAKE2B 49bea7429ddde3c8ba494952394d7f2b40c244cfa67bae63b3b65a24e13e461f57569d2cbcad7576dfed59c3e377b3a9f0e42c7a19fdf8cd577781636773bc8b SHA512 6e618b38abfa2dec9bc20c56ec5457a37d41063d9f3aff0b5f36d540ce7d07abec5e6223168478ff0f581a04deb4f10a9164fa370b8402b16e9ea43eb2da6dbb
+EBUILD llvm-16.0.4.ebuild 12496 BLAKE2B 3d83aae5848d16c823a7d239052fbc1a725884bcca8b66d70fa4386c33a58e6207e3ec2e023f46e93387a185dd34e9e06097f5b5d5f2f49d8d05fbe285db2880 SHA512 8eabe77506d91c5084f3f1cad9f68c5d68c412500fa5b006c84c8fd4572fb78265539cd02e9ebd607bcf1884c10335c675dc2e82bedc7c42006ce9e0b2c48812
+EBUILD llvm-16.0.5.9999.ebuild 12405 BLAKE2B fb6b33189286b3a61c33a847ce720589b0adc0fcf8160d1a7c4a0e602dd7fc76992ebc3e3163a9843af12d6ca322979cc9e33669d7b54d3381a0742106a7623f SHA512 121e92a2acaeb96d2639914a6f2f17a016b196a320e0b1c45987047bea032826630358005a8a6e8dcb86f95bcf1bc5d4796e1380fb49d226f12e977c2557bddf
+EBUILD llvm-16.0.5.ebuild 12496 BLAKE2B 3d83aae5848d16c823a7d239052fbc1a725884bcca8b66d70fa4386c33a58e6207e3ec2e023f46e93387a185dd34e9e06097f5b5d5f2f49d8d05fbe285db2880 SHA512 8eabe77506d91c5084f3f1cad9f68c5d68c412500fa5b006c84c8fd4572fb78265539cd02e9ebd607bcf1884c10335c675dc2e82bedc7c42006ce9e0b2c48812
 EBUILD llvm-17.0.0.9999.ebuild 12689 BLAKE2B 188b2dc059691ac3a1d181e8aeeadbe836507ea419f966b12203eb64de15a5c0bed49074e055f91e0e98a07b80bdff355302e4a4b6f27f09ff23753a513848f6 SHA512 9fcda73df117c7fcab2be62ad8f8ed51794c7e247cfab39f2533948a3c105575f75459b6dccca7cdc425a13e45947b13cf40c0e5cf70b771b7755a2063562192
 EBUILD llvm-17.0.0_pre20230526.ebuild 12689 BLAKE2B 188b2dc059691ac3a1d181e8aeeadbe836507ea419f966b12203eb64de15a5c0bed49074e055f91e0e98a07b80bdff355302e4a4b6f27f09ff23753a513848f6 SHA512 9fcda73df117c7fcab2be62ad8f8ed51794c7e247cfab39f2533948a3c105575f75459b6dccca7cdc425a13e45947b13cf40c0e5cf70b771b7755a2063562192
+EBUILD llvm-17.0.0_pre20230602.ebuild 12689 BLAKE2B 188b2dc059691ac3a1d181e8aeeadbe836507ea419f966b12203eb64de15a5c0bed49074e055f91e0e98a07b80bdff355302e4a4b6f27f09ff23753a513848f6 SHA512 9fcda73df117c7fcab2be62ad8f8ed51794c7e247cfab39f2533948a3c105575f75459b6dccca7cdc425a13e45947b13cf40c0e5cf70b771b7755a2063562192
 MISC metadata.xml 2782 BLAKE2B 4bd546287f630462c3f5d98cbd15a59a4cdef4023f86a5f4fe64fc5f10256cae7014d18823bd0909f4af4e42f299b6e7983c9c3c569cfab1ad38b0160f1eae40 SHA512 6bf1dc4f71f50e1eecc55cbb8366d8ed82a3dd328871acf1d808fc5e3ee4d203d623f81d9968bda45a87c72a2f20ed69b735b0a289b0052b048175cf6502e124
diff --git a/sys-devel/llvm/llvm-16.0.4.ebuild b/sys-devel/llvm/llvm-16.0.4.ebuild
index 2d844e82840c..c72c4d351e80 100644
--- a/sys-devel/llvm/llvm-16.0.4.ebuild
+++ b/sys-devel/llvm/llvm-16.0.4.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 PYTHON_COMPAT=( python3_{9..11} )
 
-inherit cmake llvm.org multilib-minimal pax-utils python-any-r1
+inherit cmake flag-o-matic llvm.org multilib-minimal pax-utils python-any-r1
 inherit toolchain-funcs
 
 DESCRIPTION="Low Level Virtual Machine"
@@ -325,6 +325,8 @@ get_distribution_components() {
 }
 
 multilib_src_configure() {
+	tc-is-gcc && filter-lto # GCC miscompiles LLVM, bug #873670
+
 	local ffi_cflags ffi_ldflags
 	if use libffi; then
 		ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
diff --git a/sys-devel/llvm/llvm-16.0.5.9999.ebuild b/sys-devel/llvm/llvm-16.0.5.9999.ebuild
index 840748f0601b..7898a8cd400c 100644
--- a/sys-devel/llvm/llvm-16.0.5.9999.ebuild
+++ b/sys-devel/llvm/llvm-16.0.5.9999.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 PYTHON_COMPAT=( python3_{9..11} )
 
-inherit cmake llvm.org multilib-minimal pax-utils python-any-r1
+inherit cmake flag-o-matic llvm.org multilib-minimal pax-utils python-any-r1
 inherit toolchain-funcs
 
 DESCRIPTION="Low Level Virtual Machine"
@@ -325,6 +325,8 @@ get_distribution_components() {
 }
 
 multilib_src_configure() {
+	tc-is-gcc && filter-lto # GCC miscompiles LLVM, bug #873670
+
 	local ffi_cflags ffi_ldflags
 	if use libffi; then
 		ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
diff --git a/sys-devel/llvm/llvm-16.0.5.ebuild b/sys-devel/llvm/llvm-16.0.5.ebuild
index 2d844e82840c..c72c4d351e80 100644
--- a/sys-devel/llvm/llvm-16.0.5.ebuild
+++ b/sys-devel/llvm/llvm-16.0.5.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 PYTHON_COMPAT=( python3_{9..11} )
 
-inherit cmake llvm.org multilib-minimal pax-utils python-any-r1
+inherit cmake flag-o-matic llvm.org multilib-minimal pax-utils python-any-r1
 inherit toolchain-funcs
 
 DESCRIPTION="Low Level Virtual Machine"
@@ -325,6 +325,8 @@ get_distribution_components() {
 }
 
 multilib_src_configure() {
+	tc-is-gcc && filter-lto # GCC miscompiles LLVM, bug #873670
+
 	local ffi_cflags ffi_ldflags
 	if use libffi; then
 		ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
diff --git a/sys-devel/llvm/llvm-17.0.0_pre20230602.ebuild b/sys-devel/llvm/llvm-17.0.0_pre20230602.ebuild
new file mode 100644
index 000000000000..c2c2d7c6b628
--- /dev/null
+++ b/sys-devel/llvm/llvm-17.0.0_pre20230602.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_{9..11} )
+
+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? ( $(python_gen_any_dep '
+		dev-python/recommonmark[${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}$" \
+			CMakeCache.txt ||
+		die "Incorrect version, did you update _LLVM_MASTER_MAJOR?"
+	multilib_is_native_abi && check_distribution_components
+}
+
+multilib_src_compile() {
+	tc-env_build cmake_build distribution
+
+	pax-mark m "${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)"
+}
-- 
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