gentoo auto-resync : 11:10:2022 - 01:37:00

8 files changed, 537 insertions, 84 deletions

diff --git a/sys-devel/llvm/Manifest b/sys-devel/llvm/Manifest
index 68abed8c10d3..cb6d223d38ee 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -10,11 +10,13 @@ DIST llvm-project-14.0.6.src.tar.xz.sig 566 BLAKE2B cb658ad43d8ab6c43a5773aedadf
 DIST llvm-project-15.0.2.src.tar.xz 112071864 BLAKE2B 96f2884d6c1007260d71e5dd41951eed029e8f50ff78f3c90f7194df13e1d4fb80ab7705c51c45a3e6b2a7714a98d9c5919fc7064d1d5f7c675e65b9b4229b65 SHA512 a0e815369c15bb4f8e8aa0fede29c3d557fcc5c8f2b39d457c03f1ef1d860082a41027238571b2aee9a158a87eb118deb08dc2ba94ce750320837a84e9908b8c
 DIST llvm-project-15.0.2.src.tar.xz.sig 438 BLAKE2B 37a3a7fbc2d74db9060e85f04e159b475cf818c95a6fe2e9f5f038eb990f414d94833ecac2f9c826825a69b752876399e37e70e6934def06363f7ccb18be033a SHA512 cfe3bc400a64536ad9181c2ede7227a0953a8632fdc777d1ea1d9225c1fc4e699d90ce0b99e057ee5b87c1272d5810c4b52fb0cac167ddd2aad88f1f3ef46ee8
 DIST llvm-project-5a0722e0469894564dd9b0ee1d4f8c291d09c776.tar.gz 169164627 BLAKE2B c9a8672cac0faa747baa366545d21f91b50e7611e062eb95042cbccc2dc00b74f44c5c2fcccda49b44975320dfadca5916585766235a406dfbd7321afba03025 SHA512 bad4043fab0e4f9c633bc0aa74df1f1ea886f1d20c1c7a2704bd8317371cf6325e70a770623307d7a455e815cce8c5f00be1ed4ec3f06a7b69038a2784f73243
+DIST llvm-project-ebb258d3b0785f6dcc65e1f277d0690891ddc94d.tar.gz 168823463 BLAKE2B 111afe0f6ba6cef28c3d0162c9c650d15239f981949030768780ebe308418346d0ad367e0e58417832ae43e57b27bccaf56415f81e8221c6c5e78d1113f5617b SHA512 80351d7eeac77a15bf5613b289c71d718ecaccd8a6a4ea6736ed8bfc15c8154099c771564f99ea6c8b491f99bf1ca3a45fac977d638f6a03d7f7b42ba522fa20
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
-EBUILD llvm-13.0.1.ebuild 12256 BLAKE2B 83ef68f6be3b12fa62709fb23820300e6f464f687e326fa82dca6b04c08f6f0271e4f03ff11f16e9e3c4fc43c0ee98180961ef0f6c0f856e1bb4029c7edf2481 SHA512 42fe5df50c6abd3dafefea09a46533a225ba5aa713f791438a546503b62af89f5fc10da9fa470ee7527aed3f6c2d22295ad4c33baec39dd56516ab9327e60ee7
-EBUILD llvm-14.0.6-r2.ebuild 12630 BLAKE2B c02086c457a56c1fed1919284cd241325cdcf842f09767f1679e20fe9ffb61e20bb119e90dd3fb1b182720d6db972e0a7a3025b26fc67728af99b8981eb4d3db SHA512 244d61c979ef1187e3036fe066e16d42776375bbf9a0d6e0c08b0dbb0a71d6c44245a1ee5439f60cf5bab573f57d38980d115561a24a3e5f01373a90df2f2429
-EBUILD llvm-15.0.2.ebuild 12598 BLAKE2B 2335885f1495582eda8b6568613a2eb29b04be9ffac5a5d48f2708761c31c8c3a5634686dbf01975686e7cf00543265dc822ba57a5eb52afe1920512e58a376d SHA512 486929435d52f45cf4deead80ef7c17cadbc40ba0ac8714db0e58d6249a95f783f905246226380e2ba17617c68c831cd8a66422a6bba6fe63a2cebdc706b04cd
-EBUILD llvm-15.0.3.9999.ebuild 12616 BLAKE2B 0407ccf4279ea208508d1671fe06cc07cc0209e884f8a440d358e04ab681fec337485a0f4180e6b08bb5cd6a75ce31ffd6c48101b30f76c426bf2bb1e7e1a12a SHA512 922580e53bc68e63cbb053cfd14bfed196fd20c2b8d82c26365cf39d4fab01bbab7d1a7a3372865945d353b3c2ca5428e570d717e6061493ba223896e3fd84ae
-EBUILD llvm-16.0.0.9999.ebuild 12781 BLAKE2B 21cc3a952421c08174f0d2c18a3b73484c052e0cea849a02994cded90970074736b5120229136966127582ab655a8380d384e047e10ba88fb35da9fbfc1f03b4 SHA512 4afdfc14e8a72ca974068547ecce822138e0b1a74aae3c8487477032e2f6409b44550f3f4cc8c057651326b9f680d4fe7b85198b178976704bf40adeac615192
-EBUILD llvm-16.0.0_pre20221006.ebuild 13007 BLAKE2B e653c26c152524a9589d5dcc8ff9859c4fa3a8751d7162ad0d66e1fed5364704dbbbb7ec0fb1a53ec6630847aa36c881252579f86b12904abc566b908bf8052a SHA512 e3f124969ef67456a2e3593e95c91f2592d2370556faa8208cbfefbd5b5669558b453adac0a3d7c389d0994310276805fb12daaed99017008b7691396c3ec242
+EBUILD llvm-13.0.1.ebuild 12007 BLAKE2B f235f91c07fe75bfa0afffc6d750c10f77b7817353ee84d99a0fa706f6fb7fb30dd74bf2966ca4aaff162faad8c3c9ed9ee6446bdcd0878195de61a15ab23355 SHA512 b1cf7e90b038de6c1d9165e849e7bd422d4665fb23c477aa514bdde3c0cb92e9eb9dd76968e37d4e885bfd792f441ba7e95c1a41baea2f8f7993aadb38439717
+EBUILD llvm-14.0.6-r2.ebuild 12381 BLAKE2B 736afa7fbf7321ce4370e892075e716e6efb23981b4e9d235d60784c7548c6b62590527753e2752f80b4a4eafc04096fbd6ec5b8efbba88de08f322262361eda SHA512 1c800cea06768c48fe7c0944e4b4c9227f11ffbf9605ca52e487646385eeeaab5acca8aaba0e66b21b2939505533f562fe40ac5b23533adf0e42898e163a9620
+EBUILD llvm-15.0.2.ebuild 12349 BLAKE2B 5f3cdbbd9fd72ee7c75ef3cb75ca3e2ba75f964c64164c99a2837c4cae27476b660f1873a2421a412386df6fd331e0d14701f38bdd092eca78434541b57d9a4d SHA512 90c2f68c88901550044e3f2b50981fdf0555fa35add374279bb49e2a5dff45f0d3ad9b41590c33e6958691d137824bdfeb2380312b5b2e83d18924dfeb64b293
+EBUILD llvm-15.0.3.9999.ebuild 12367 BLAKE2B dc2d43140eb3639d5a6d029cda6a71cd1680ec962a7154788aa3d7913e00ba0a1d846a8eadf43afbe1ee4366667a93f864e2e4f007fdc94e21873d542145bd30 SHA512 8946e3abc832beb2f67b6fd55faa7c5a1670fe0d8dfc8d6cca33632daab72bbe70de2194cf0302b751e96ceb6563ca7f82a2d90ea3f318b5644b18c563210294
+EBUILD llvm-16.0.0.9999.ebuild 12532 BLAKE2B fcc2fbe2f7b96e579d99ca52eb6c59ce2bc6fa652e2bf3fecfd88aaaafef9290ced05b5134aac327ceef0af9fb07b643a28405bc1aabf302fdb65c71544f40b8 SHA512 ec2991754334a2c33a08160d35ea099d2bc38f2ee9b2498f06d4864402cead296646aea33ed1240a32f452f360016dfcc066d12f3056753ff7e894cdf083d930
+EBUILD llvm-16.0.0_pre20221006.ebuild 12758 BLAKE2B 2dd1dbb8e9a6a157d0084f5214e1f066425d238d272f9a12a904a44090ffd0df23de9440df59ad4860763170cd103977b7125a1e30b1e074b94234754d784448 SHA512 8a4ca4f21b9401c74984e29a0d8d6cfbdec2b6a89bb65f736527ce1ce60cd37ade3aa5e3509d4aaff5222d3f4faf26fb6aa48d72f7d7e09333ce864c7cc66119
+EBUILD llvm-16.0.0_pre20221010.ebuild 12532 BLAKE2B fcc2fbe2f7b96e579d99ca52eb6c59ce2bc6fa652e2bf3fecfd88aaaafef9290ced05b5134aac327ceef0af9fb07b643a28405bc1aabf302fdb65c71544f40b8 SHA512 ec2991754334a2c33a08160d35ea099d2bc38f2ee9b2498f06d4864402cead296646aea33ed1240a32f452f360016dfcc066d12f3056753ff7e894cdf083d930
 MISC metadata.xml 2654 BLAKE2B c27983265b6c9b33200ee42565648f30a6cc9c51be53a1cb82a3353d7c1f7aa9c9501c58254280c2880ff2d4992b4834e4b5e2f1c9b1c60e9b21945f234b9973 SHA512 b331d9186908762907f5713b00e357785b62afbee83afefac8701beb1a20f7ebd68df4a030bb82c6f9164719d4ccfcaf16c189833ad40e9f5900c36247d9cff2
diff --git a/sys-devel/llvm/llvm-13.0.1.ebuild b/sys-devel/llvm/llvm-13.0.1.ebuild
index 2d52bf8cfe60..598476d25566 100644
--- a/sys-devel/llvm/llvm-13.0.1.ebuild
+++ b/sys-devel/llvm/llvm-13.0.1.ebuild
@@ -174,18 +174,6 @@ src_prepare() {
 	llvm.org_src_prepare
 }
 
-# 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-;}
 
@@ -367,7 +355,7 @@ multilib_src_configure() {
 		-DOCAMLFIND=NO
 	)
 
-	if is_libcxx_linked; then
+	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.
diff --git a/sys-devel/llvm/llvm-14.0.6-r2.ebuild b/sys-devel/llvm/llvm-14.0.6-r2.ebuild
index 01b9bbfd4b9d..0f53397cf7ae 100644
--- a/sys-devel/llvm/llvm-14.0.6-r2.ebuild
+++ b/sys-devel/llvm/llvm-14.0.6-r2.ebuild
@@ -186,18 +186,6 @@ src_prepare() {
 	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-;}
 
@@ -381,7 +369,7 @@ multilib_src_configure() {
 		-DOCAMLFIND=NO
 	)
 
-	if is_libcxx_linked; then
+	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.
diff --git a/sys-devel/llvm/llvm-15.0.2.ebuild b/sys-devel/llvm/llvm-15.0.2.ebuild
index 5f8f61bdd695..79d2ff39fb45 100644
--- a/sys-devel/llvm/llvm-15.0.2.ebuild
+++ b/sys-devel/llvm/llvm-15.0.2.ebuild
@@ -180,18 +180,6 @@ src_prepare() {
 	llvm.org_src_prepare
 }
 
-# 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-;}
 
@@ -379,7 +367,7 @@ multilib_src_configure() {
 		-DOCAMLFIND=NO
 	)
 
-	if is_libcxx_linked; then
+	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.
diff --git a/sys-devel/llvm/llvm-15.0.3.9999.ebuild b/sys-devel/llvm/llvm-15.0.3.9999.ebuild
index 010e27a1349e..1f47134cba77 100644
--- a/sys-devel/llvm/llvm-15.0.3.9999.ebuild
+++ b/sys-devel/llvm/llvm-15.0.3.9999.ebuild
@@ -180,18 +180,6 @@ src_prepare() {
 	llvm.org_src_prepare
 }
 
-# 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-;}
 
@@ -379,7 +367,7 @@ multilib_src_configure() {
 		-DOCAMLFIND=NO
 	)
 
-	if is_libcxx_linked; then
+	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.
diff --git a/sys-devel/llvm/llvm-16.0.0.9999.ebuild b/sys-devel/llvm/llvm-16.0.0.9999.ebuild
index 946713e022db..4eebbc15117c 100644
--- a/sys-devel/llvm/llvm-16.0.0.9999.ebuild
+++ b/sys-devel/llvm/llvm-16.0.0.9999.ebuild
@@ -184,18 +184,6 @@ src_prepare() {
 	llvm.org_src_prepare
 }
 
-# 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-;}
 
@@ -391,7 +379,7 @@ multilib_src_configure() {
 		# the commit id in the SOVERSION to contain the breakage
 		suffix+="git${EGIT_VERSION::8}"
 	fi
-	if is_libcxx_linked; then
+	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.
diff --git a/sys-devel/llvm/llvm-16.0.0_pre20221006.ebuild b/sys-devel/llvm/llvm-16.0.0_pre20221006.ebuild
index fef201259b9f..91463ab2ffbd 100644
--- a/sys-devel/llvm/llvm-16.0.0_pre20221006.ebuild
+++ b/sys-devel/llvm/llvm-16.0.0_pre20221006.ebuild
@@ -184,18 +184,6 @@ src_prepare() {
 	llvm.org_src_prepare
 }
 
-# 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-;}
 
@@ -391,7 +379,7 @@ multilib_src_configure() {
 		# the commit id in the SOVERSION to contain the breakage
 		suffix+="git${EGIT_VERSION::8}"
 	fi
-	if is_libcxx_linked; then
+	if [[ $(tc-get-cxx-stdlib) == libc++ ]]; then
 		# Smart hack: alter version suffix -> SOVERSION when linking
 		# against libc++. This way we won't end up mixing LLVM libc++
 		# libraries with libstdc++ clang, and the other way around.
diff --git a/sys-devel/llvm/llvm-16.0.0_pre20221010.ebuild b/sys-devel/llvm/llvm-16.0.0_pre20221010.ebuild
new file mode 100644
index 000000000000..4eebbc15117c
--- /dev/null
+++ b/sys-devel/llvm/llvm-16.0.0_pre20221010.ebuild
@@ -0,0 +1,523 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+inherit cmake llvm.org multilib-minimal pax-utils python-any-r1 \
+	toolchain-funcs
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="https://llvm.org/"
+
+# Additional licenses:
+# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
+# 2. xxhash: BSD.
+# 3. MD5 code: public-domain.
+# 4. ConvertUTF.h: TODO.
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA BSD public-domain rc"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+KEYWORDS=""
+IUSE="
+	+binutils-plugin debug doc exegesis libedit +libffi ncurses test xar
+	xml z3 zstd
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	sys-libs/zlib:0=[${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=[${MULTILIB_USEDEP}] )
+	zstd? ( app-arch/zstd:=[${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-${LLVM_MAJOR} )
+"
+
+LLVM_COMPONENTS=( llvm cmake third-party )
+LLVM_MANPAGES=1
+LLVM_PATCHSET=9999-r3
+LLVM_USE_TARGETS=provide
+llvm.org_set_globals
+
+python_check_deps() {
+	use doc || return 0
+
+	python_has_version -b "dev-python/recommonmark[${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
+}
+
+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
+			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-debuginfod
+			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
+		)
+	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="${LLVM_TARGETS// /;}"
+		-DLLVM_BUILD_TESTS=$(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=$(usex z3)
+		-DLLVM_ENABLE_ZSTD=$(usex zstd)
+
+		-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
+
+	if tc-is-cross-compiler; then
+		local tblgen="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/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="${CPPFLAGS} -DNDEBUG"
+	cmake_src_configure
+
+	grep -q -E "^CMAKE_PROJECT_VERSION_MAJOR(:.*)?=${LLVM_MAJOR}$" \
+			CMakeCache.txt ||
+		die "Incorrect version, did you update _LLVM_MASTER_MAJOR?"
+	multilib_is_native_abi && check_distribution_components
+}
+
+multilib_src_compile() {
+	cmake_build distribution
+
+	pax-mark m "${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 "${BUILD_DIR}"/unittests/Support/SupportTests
+	fi
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check
+}
+
+src_install() {
+	local MULTILIB_CHOST_TOOLS=(
+		/usr/lib/llvm/${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)"
+}