sys-devel/{clang,llvm}: Bump to 3.7.1

2 files changed, 544 insertions, 0 deletions

diff --git a/sys-devel/llvm/Manifest b/sys-devel/llvm/Manifest
index 51b1602fd677..0ece35133e65 100644
--- a/sys-devel/llvm/Manifest
+++ b/sys-devel/llvm/Manifest
@@ -4,18 +4,22 @@ DIST cfe-3.5.0.src.tar.xz 8233432 SHA256 fc80992e004b06f6c7afb612de1cdaa9ac9d258
 DIST cfe-3.5.2.src.tar.xz 8268008 SHA256 4feb575f74fb3a74b6245400460230141bf610f235ef3a25008cfe6137828620 SHA512 2ad9a7daa8e62cdbf47b001aa6b937a06ae7e6396dcd1832797e2d98036522443ccfca9f1253e16d531a99d1edf237fcd2b457c55491ff68ca4534a2396ca52f WHIRLPOOL 51789ba2a3193d404b26d26b999fc47f1bc4b56b45048078cc51e4ff5c31d834d360ee0c2d16096c060f85acab6de9055dc375569348ae3307e4b280406f2d9e
 DIST cfe-3.6.2.src.tar.xz 8617576 SHA256 ae9180466a23acb426d12444d866b266ff2289b266064d362462e44f8d4699f3 SHA512 ed837c48f38d8998efd675b56477c8681dcedfcf3f71bba65930f145501289bebb6fe6a6d9de336548f94c381d016b99f10c58e046b885449755d44ac782de03 WHIRLPOOL a17419cea329999c8662c0008dbd0391ed5f52045d0175488979e7620f6a9a21b08e451a5e21d3bf944597bb37934a8228fa89c09d773882359822d59bd447a8
 DIST cfe-3.7.0.src.tar.xz 9147204 SHA256 4ed740c5a91df1c90a4118c5154851d6a475f39a91346bdf268c1c29c13aa1cc SHA512 099d34cb019ea548c6ee85efd22b150beba0aa92061394fa3e423b1ebfe4a5c98c0586e5d56fc5c39e2b1606d36db59f442c056cc59473e32df76c8790c9d0ae WHIRLPOOL 1078d962edfb1b90044f19921f64a28c32259e34d983ddf9f9c198d13c8cd0679778a640d7a06c0bf1224d982602294c79a510034276216e3a6de21c739e6c39
+DIST cfe-3.7.1.src.tar.xz 9110616 SHA256 56e2164c7c2a1772d5ed2a3e57485ff73ff06c97dff12edbeea1acc4412b0674 SHA512 8e3285a32ad0fd4721fa77c4fb9709f31bb4e4f7cb5245357aaf57b0767b6ef18a30d902b59d1437a6febffb6c2128214f9ce5aa913bb298743221a28c4f9de5 WHIRLPOOL ce300f5023bddda59ee055e4dccdca8bf459fae5d4e91c44262d2830c406b798d697d1bf3c6326ff41b969a8439f94a3c83570f1d0151a7f0223eb0d8f324f7b
 DIST clang-tools-extra-3.4.src.tar.gz 230729 SHA256 ba85187551ae97fe1c8ab569903beae5ff0900e21233e5eb5389f6ceab1028b4 SHA512 9656678acea490fd5674b2d47ad30ec69e5aedb450924e566a90418c94ce6483faa254e7dde0d5163cb0643153113d27b6b000fea7bba08f0ba55741b35873b1 WHIRLPOOL c41ec11d0b88678c56d77d285c4383a39cabab16aae8a4457666014e0927aa4b04cf77e73af0275e6bfc603a9531598eca98ab61d5d81288e2920682088d9eaf
 DIST clang-tools-extra-3.5.0.src.tar.xz 216256 SHA256 2981beb378afb5aa5c50ed017720a42a33e77e902c7086ad2d412ef4fa931f69 SHA512 5ff2cc5d143b78fbe6645486f02e50f738a92aaf6b8e85cfc6f91e659684686b12e61fc8f00b814b4372c5ed2c2b1be5eca61ea696fbe074b815877b799534ee WHIRLPOOL 10b5afc550fa6a8c33739fbf9268e934732b2892842d398152676e66ab90aed3c6e1bae02bc1b8aa0a9a917b6b450f60950317a9eda3f9e377971cbe00164b11
 DIST clang-tools-extra-3.5.2.src.tar.xz 215804 SHA256 f21a374d74b194d8c984546266491b518859b5f12ed9abd49337b8060d3fc004 SHA512 6a8e662d2704147296c13626fbc5885911c646c67404f12eacc67ee2995221445bf4f6122b271b9cb3a56b716f550a651024822f72358d400b9052bf50423669 WHIRLPOOL 088d2725a88a439a1a2c4048e0eaf540587078078bd1c9823a4804200265cab4d32606abf5e72be76da45ea4aa6e7a7201a2bdbddc78d5f9e0024b0d7b59e222
 DIST clang-tools-extra-3.6.2.src.tar.xz 248624 SHA256 6a0ec627d398f501ddf347060f7a2ccea4802b2494f1d4fd7bda3e0442d04feb SHA512 1b7710a7deee30cefb6a3b4edb026a96d8935a0c6f3056ccdb7a45564d10baf01a4f6722ae853ad9a3bad17e8de32a3c0ec99c5cf6144647a5e182809d403f7a WHIRLPOOL 3dc8888c302bac84f53b673784dec092a2c59ea2985d9983e87f057b9aa7b5d3e34cf13d2b0f1f60ea44f342b8167377204a510036872a087037cf02335c19cd
 DIST clang-tools-extra-3.7.0.src.tar.xz 276628 SHA256 8ae8a0a3a96b7a700412d67df0af172cb2fc1326beec575fcc0f71d2e72709cd SHA512 c266eb327e2f50767b7d37c9d5713d6c70f590b59e4fe09d997f2eba0d54c9229ef6c8a2a903196380f67dffa7e35ebb47a9e5f2f097fd2a3c363481b72202eb WHIRLPOOL 681a5c14301990bb945e26375d0d31fa22b795101f342bcaaeb9d3e015c0f0f6b260b913388d086cb3054fc357845b34a6813e34614cdfa0de2c58fc6db7c64c
+DIST clang-tools-extra-3.7.1.src.tar.xz 277476 SHA256 4a91edaccad1ce984c7c49a4a87db186b7f7b21267b2b03bcf4bd7820715bc6b SHA512 06e2db8af75f1e6ee82da6ee723b5256b9e3f6ba196428f18944ec02d07df26d04329ca8824a083c5f25274ce7e3469aa75e3a29ccfbdb6375524841d65e3ad7 WHIRLPOOL 2c1a459d6aff6bc24d5c8d38120ab665adbef61394050781a9707d50e83dae1b4997ed19459086e9bd7f6dd38a09c295d135e33515c947d64a7f1ab714ad8beb
 DIST compiler-rt-3.3.src.tar.gz 1568034 SHA256 0e2f3180d6316e6c43f064fdd406c5c6515e682c5f31c57c28335b68c7525423 SHA512 3e86aa8ab9810b4fbac54a40fc93a717a55c642520858c0db215a5324c1e495b4d8fcec9620251cca8e4e5f9afa34bc14364d7f785880a0700469d0201827929 WHIRLPOOL fcfd06bc860dfd901a7576cd4309f863e9d4363e36ab4c67e9e08fe3c8a37d627ee95eb96b9ed53eb6047dec06e73181b3c3e1555b1b49f1e893e6382f21ddc1
 DIST compiler-rt-3.4.src.tar.gz 1858593 SHA256 f37c89b1383ce462d47537a0245ac798600887a9be9f63073e16b79ed536ab5c SHA512 70efffaf12ff7c15befa87ce808489c6f6b6eb421d0ab5d8ecd525239efc8aab850c7ed34b31a993ff5e499657b72598619945cc4461fe3e5359e9a94aaac0c8 WHIRLPOOL ad558b5877a01e476d30d2757959ab04be0c385b2fe3442bcc578bf36c6f3214cd78b4adda24fcb1f3b2b84353db213b82e8d7d4c40e66c3f57aed3a49322dbc
 DIST compiler-rt-3.5.0.src.tar.xz 1088352 SHA256 a4b3e655832bf8d9a357ea2c771db347237460e131988cbb96cda40ff39a8136 SHA512 862cce2d6b398bd1a8399496a547e6ab976a31f676528beebfbea5fd7dc54aa72e1c25deefa12f6167096521eba74090565b0168806451da02ddac04e922fc48 WHIRLPOOL 248acf997d70d7904aa79bf83e0c02ba4e5f8c2812c03f44a8e1e31b845a654f250c09ec6a123f9245d0db8713e8cc5a4087b9ce785af4f5eb7e55d9dbd362a2
 DIST compiler-rt-3.5.2.src.tar.xz 1093000 SHA256 542d7aadd21e7fe35bea0a7912bc965f08a1a566746cebcca76f96dcfeb74dc3 SHA512 319a8a1dbe07eb4f1fcccfe79a1fa445f348fb854a441500e89fa0a128e45716b65d06347f19a63de32e9294cd2331e914ae0d5fe8224f0b2452c39b79ac96ff WHIRLPOOL 6e9286c56a60a515006c8232ca01622ae844185a5f31fb49bce632868862c5e560619f1c45da66878b5322a764f91a284cd296e9f13105d6f74e055a17321d93
 DIST compiler-rt-3.6.2.src.tar.xz 1128080 SHA256 0f2ff37d80a64575fecd8cf0d5c50f7ac1f837ddf700d1855412bb7547431d87 SHA512 7dafcc5bd4822475de649d8a84ae51af3c4ed4d0958f76b1b55ba79219638f3e78eb94a1986c6e9ba0e7f1ccf3ec834d546b5ca60e8b08083fea5880ecdf17a3 WHIRLPOOL dd77e7df43c9028a6873ed903da67560fdb04968013016a7f0ad2d2e9a81b3a3d890b95e4f49a6bdef349806d6507defcd80a0a9fb50c1c9f778e7eff42dbc5d
 DIST compiler-rt-3.7.0.src.tar.xz 1192832 SHA256 227fa998520bc94974a428dc8e7654d9bdf277e5bc70d4064ebc05691bd62b0b SHA512 2ba6abb3d6ec7f1469cfe1d48fde2069e9a767d19144f80f05516ac63f353ace90a9df3e9d1c1f708f3c397aba0ec61b12e4f105b25a2e1cd26b25b0dd252bc9 WHIRLPOOL 8bb535b667a7fdc1710d32e0912daee3798049f78cf70a03abc409157f02602b77f290b66185a35c464e512e55d57aab0125be6ae4843f6233f4017228afb579
+DIST compiler-rt-3.7.1.src.tar.xz 1181772 SHA256 9d4769e4a927d3824bcb7a9c82b01e307c68588e6de4e7f04ab82d82c5af8181 SHA512 bf434519ea0838264c30de1e1e8681320aa868df0ecc825a45c659077b963a4120c18216946558cbf8aea24a8ac8ec39af2066dab906bc7cabc0894d51d61325 WHIRLPOOL 0bea047e48622884a6fc6bb3826046e9de5b3192006cc41c0ccd9d6c611674869c3c15988b531a0f7d9fea2cf951b90ecef385b85db765c6f99a48692fdcf223
 DIST lldb-3.7.0.src.tar.xz 10649660 SHA256 f4d7505bc111044eaa4033af012221e492938405b62522b8e3e354c20c4b71e9 SHA512 52157782ef13e2c8b7b35ff3ccc05887195fe46ddb6bafcf0707a3c46c1e034734b55342b8dbfc46cae7a8c3cb1012345284e4bedb2344c5016b8d19a12e90df WHIRLPOOL 8c0803a51820ec67944e27061c858e95a92aefa38a1540241fead2b63c5b065c1268cf958b14d8841f62fc8aea5da1e20204704426598bfc2c4e61bcda135c43
+DIST lldb-3.7.1.src.tar.xz 10650524 SHA256 9a0bc315ef55f44c98cdf92d064df0847f453ed156dd0ef6a87e04f5fd6a0e01 SHA512 d2d3e1052026edd6ef9113ff5362acb4a32cef598098b4031c35e389301130ef2e1bda594f30de4d65c9fdc0beaecdd35afcf36676eb540baad34015aca294d1 WHIRLPOOL bba9c700788f0cf86ac1de51383a223e1c92f724719cdd327d83189cb77714c1e10fb78569aeed3b3c639062a3410bb114f646a271fd0d9e8c9a8e45d090330a
 DIST llvm-2.8-r1.tgz 9112527 SHA256 25addb742f1c6cc12877ed0ee924dda962d848368ee095be8e48342ae613d43b SHA512 8688d5cf415e8aef74cca6a14587af36234a6347e2238ac2c0d66805c42926b9399f36390e1a58a4081e902b0904adb818c1a360d5df572dfa893d6f79f5e35a WHIRLPOOL 0da9250e31242b55586c9138089e742aab5d414d5f3412ebf917ae8b9506f984c6134a932be93ec7e4c01c79f6c21d508cb0b2e0ec283419bd4ae4db745430ae
 DIST llvm-2.9.tgz 9574781 SHA256 661236cfa17428b48cfa9cbb9909f7569c64b8ecd219fd91dbc00e3b557b3779 SHA512 9cb0fa0bb8ac02661fd6f926001a15e0ad4a9660683421dc86b03f1cf5184142c5815f9f9283ee7cdf8d474e01177f83406122253342e0e95ddc878821660070 WHIRLPOOL f7b445b6b5d455f29ca68c342511b8b5e6eedec525af1cc60440c4de544df2332aa241bffca29eda5d2428a3f518e093a626bd45c7f8a9e0656d0f68aef5d9d1
 DIST llvm-3.0.tar.gz 10350539 SHA256 519eb11d3499ce99c6ffdb8718651fc91425ed7690eac91c8d6853474f7c0477 SHA512 602bb5590b70cb9138bc19d8c630c62bbabdcb2132215c921fe4bce4e3f74dfc66440b9dcd458ff55a86047cc9cc0417c6563715c133e0db222e4b88f07c13bb WHIRLPOOL 6f4ece3ec747352cd78b08d25c5b1cda91140eb6957d509161e45395e47c074f8d2102bfcaeabcdef8c1f6672f2cf06d88e290667666122da029391b3528d440
@@ -33,3 +37,4 @@ DIST llvm-3.6.1-manpages.tar.bz2 38338 SHA256 b27c6198e09b11421841a7184d4e8a0f88
 DIST llvm-3.6.2.src.tar.xz 12802380 SHA256 f60dc158bfda6822de167e87275848969f0558b3134892ff54fced87e4667b94 SHA512 42b44ce69cfb96e2dc12dc2246f0de8ff983a99741206e2c46ccf074b3248aaab9c0f22c6baad802de851d06f202f40db9dd62fe38aab4479b3f70026c936b36 WHIRLPOOL 1a15e16793fe4120f1c14a5334362c36db26745c493e7289281351b7c18c523d781ff9425dddfe1a2add9ea1e8aebb92f2313787da5f286259b55b0884b3039f
 DIST llvm-3.7.0-manpages.tar.bz2 38095 SHA256 8597fa532464c6336aefbbef0b1ce452aaa98d474fa58108c6a6f57a9ccd6785 SHA512 ea70ac15dbaef3740b31f66aa798338f7f9b82484586582aa62e0364f9d74bf175be2f4f29721df253b8157c1cbc146ab9045c0656c42a6375434e994786b643 WHIRLPOOL 743b339b0df7c52d270a5197e9e765dfd92d4b5acee94cf9d9d7713e1a75aa9d987b3f5adab0952e7267febf88b318d0f31cb45847e2b0b42c7c7373b2358358
 DIST llvm-3.7.0.src.tar.xz 14636252 SHA256 ab45895f9dcdad1e140a3a79fd709f64b05ad7364e308c0e582c5b02e9cc3153 SHA512 fe3bfefd3d49423831ad12b89f944ac9f469aaaaafdea1dd94fc7fb6d5cc9fbe66b6463796aeaabfc145ae474ec3ad68da41c4a011e8aa4bc650f1835af75388 WHIRLPOOL 4787fc417042cbb4470887358225c367c6617ccd6cb90f1e4f226ec1565b302e4d70458fc13ceedca5b3ac270523637398bb7503c8c423c81fd9682a41c0289f
+DIST llvm-3.7.1.src.tar.xz 14592544 SHA256 be7794ed0cec42d6c682ca8e3517535b54555a3defabec83554dbc74db545ad5 SHA512 ac521debc02f6deba96ef975d6a546b0c5c77299c1dbf5e1b87a7974ff5e7fd715bd7e384b92d9adf572ce47130bdbf6d3c648eb0d7f72f16f976292e4909e90 WHIRLPOOL 788ce0907b906ebee595c766713bec5067563c8aba7460211f5830e116df7c830de84704834c0df2f2f2c90354d75521e4a4aff57e769a2d8ab590778c1e4a70
diff --git a/sys-devel/llvm/llvm-3.7.1.ebuild b/sys-devel/llvm/llvm-3.7.1.ebuild
new file mode 100644
index 000000000000..d41de0686b95
--- /dev/null
+++ b/sys-devel/llvm/llvm-3.7.1.ebuild
@@ -0,0 +1,539 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+PYTHON_COMPAT=( python2_7 )
+
+inherit check-reqs cmake-utils eutils flag-o-matic multilib \
+	multilib-minimal python-single-r1 toolchain-funcs pax-utils
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="http://llvm.org/"
+SRC_URI="http://llvm.org/releases/${PV}/${P}.src.tar.xz
+	clang? ( http://llvm.org/releases/${PV}/compiler-rt-${PV}.src.tar.xz
+		http://llvm.org/releases/${PV}/cfe-${PV}.src.tar.xz
+		http://llvm.org/releases/${PV}/clang-tools-extra-${PV}.src.tar.xz )
+	lldb? ( http://llvm.org/releases/${PV}/lldb-${PV}.src.tar.xz )
+	!doc? ( http://dev.gentoo.org/~voyageur/distfiles/${PN}-3.7.0-manpages.tar.bz2 )"
+
+LICENSE="UoI-NCSA"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~x64-freebsd ~amd64-linux ~arm-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
+IUSE="clang debug doc gold libedit +libffi lldb multitarget ncurses ocaml
+	python +static-analyzer test xml video_cards_radeon kernel_Darwin"
+
+COMMON_DEPEND="
+	sys-libs/zlib:0=
+	clang? (
+		python? ( ${PYTHON_DEPS} )
+		static-analyzer? (
+			dev-lang/perl:*
+			${PYTHON_DEPS}
+		)
+		xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+	)
+	gold? ( >=sys-devel/binutils-2.22:*[cxx] )
+	libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
+	libffi? ( >=virtual/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
+	ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
+	ocaml? (
+		>=dev-lang/ocaml-4.00.0:0=
+		dev-ml/findlib
+		dev-ml/ocaml-ctypes
+		!!<=sys-devel/llvm-3.7.0-r1[ocaml] )"
+# configparser-3.2 breaks the build (3.3 or none at all are fine)
+DEPEND="${COMMON_DEPEND}
+	dev-lang/perl
+	>=sys-devel/make-3.81
+	>=sys-devel/flex-2.5.4
+	>=sys-devel/bison-1.875d
+	|| ( >=sys-devel/gcc-3.0 >=sys-devel/llvm-3.5
+		( >=sys-freebsd/freebsd-lib-9.1-r10 sys-libs/libcxx )
+	)
+	|| ( >=sys-devel/binutils-2.18 >=sys-devel/binutils-apple-5.1 )
+	kernel_Darwin? ( sys-libs/libcxx )
+	clang? ( xml? ( virtual/pkgconfig ) )
+	doc? ( dev-python/sphinx )
+	gold? ( sys-libs/binutils-libs )
+	libffi? ( virtual/pkgconfig )
+	lldb? ( dev-lang/swig )
+	!!<dev-python/configparser-3.3.0.2
+	ocaml? ( test? ( dev-ml/ounit ) )
+	${PYTHON_DEPS}"
+RDEPEND="${COMMON_DEPEND}
+	clang? ( !<=sys-devel/clang-${PV}-r99 )
+	abi_x86_32? ( !<=app-emulation/emul-linux-x86-baselibs-20130224-r2
+		!app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)] )"
+PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )"
+
+# pypy gives me around 1700 unresolved tests due to open file limit
+# being exceeded. probably GC does not close them fast enough.
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+	lldb? ( clang xml )"
+
+S=${WORKDIR}/${P/_}.src
+
+pkg_pretend() {
+	# in megs
+	# !clang !debug !multitarget -O2       400
+	# !clang !debug  multitarget -O2       550
+	#  clang !debug !multitarget -O2       950
+	#  clang !debug  multitarget -O2      1200
+	# !clang  debug  multitarget -O2      5G
+	#  clang !debug  multitarget -O0 -g  12G
+	#  clang  debug  multitarget -O2     16G
+	#  clang  debug  multitarget -O0 -g  14G
+
+	local build_size=550
+	use clang && build_size=1200
+
+	if use debug; then
+		ewarn "USE=debug is known to increase the size of package considerably"
+		ewarn "and cause the tests to fail."
+		ewarn
+
+		(( build_size *= 14 ))
+	elif is-flagq '-g?(gdb)?([1-9])'; then
+		ewarn "The C++ compiler -g option is known to increase the size of the package"
+		ewarn "considerably. If you run out of space, please consider removing it."
+		ewarn
+
+		(( build_size *= 10 ))
+	fi
+
+	# Multiply by number of ABIs :).
+	local abis=( $(multilib_get_enabled_abis) )
+	(( build_size *= ${#abis[@]} ))
+
+	local CHECKREQS_DISK_BUILD=${build_size}M
+	check-reqs_pkg_pretend
+
+	if [[ ${MERGE_TYPE} != binary ]]; then
+		echo 'int main() {return 0;}' > "${T}"/test.cxx || die
+		ebegin "Trying to build a C++11 test program"
+		if ! $(tc-getCXX) -std=c++11 -o /dev/null "${T}"/test.cxx; then
+			eerror "LLVM-${PV} requires C++11-capable C++ compiler. Your current compiler"
+			eerror "does not seem to support -std=c++11 option. Please upgrade your compiler"
+			eerror "to gcc-4.7 or an equivalent version supporting C++11."
+			die "Currently active compiler does not support -std=c++11"
+		fi
+		eend ${?}
+	fi
+}
+
+pkg_setup() {
+	pkg_pretend
+}
+
+src_unpack() {
+	default
+
+	if use clang; then
+		mv "${WORKDIR}"/cfe-${PV/_}.src "${S}"/tools/clang \
+			|| die "clang source directory move failed"
+		mv "${WORKDIR}"/compiler-rt-${PV/_}.src "${S}"/projects/compiler-rt \
+			|| die "compiler-rt source directory move failed"
+		mv "${WORKDIR}"/clang-tools-extra-${PV/_}.src "${S}"/tools/clang/tools/extra \
+			|| die "clang-tools-extra source directory move failed"
+	fi
+
+	if use lldb; then
+		mv "${WORKDIR}"/lldb-${PV/_}.src "${S}"/tools/lldb \
+			|| die "lldb source directory move failed"
+	fi
+}
+
+src_prepare() {
+	# Make ocaml warnings non-fatal, bug #537308
+	sed -e "/RUN/s/-warn-error A//" -i test/Bindings/OCaml/*ml  || die
+	# Fix libdir for ocaml bindings install, bug #559134
+	epatch "${FILESDIR}"/cmake/${PN}-3.7.0-ocaml-multilib.patch
+	# Do not build/install ocaml docs with USE=-doc, bug #562008
+	epatch "${FILESDIR}"/cmake/${PN}-3.7.0-ocaml-build_doc.patch
+
+	# Make it possible to override Sphinx HTML install dirs
+	# https://llvm.org/bugs/show_bug.cgi?id=23780
+	epatch "${FILESDIR}"/cmake/0002-cmake-Support-overriding-Sphinx-HTML-doc-install-dir.patch
+
+	# Prevent race conditions with parallel Sphinx runs
+	# https://llvm.org/bugs/show_bug.cgi?id=23781
+	epatch "${FILESDIR}"/cmake/0003-cmake-Add-an-ordering-dep-between-HTML-man-Sphinx-ta.patch
+
+	# Prevent installing libgtest
+	# https://llvm.org/bugs/show_bug.cgi?id=18341
+	epatch "${FILESDIR}"/cmake/0004-cmake-Do-not-install-libgtest.patch
+
+	# Fix llvm-config for shared linking and sane flags
+	# https://bugs.gentoo.org/show_bug.cgi?id=565358
+	epatch "${FILESDIR}"/llvm-3.7-llvm-config.patch
+
+	# Fix msan with newer kernels, #569894
+	epatch "${FILESDIR}"/llvm-3.7-msan-fix.patch
+
+	if use clang; then
+		# Automatically select active system GCC's libraries, bugs #406163 and #417913
+		epatch "${FILESDIR}"/clang-3.5-gentoo-runtime-gcc-detection-v3.patch
+
+		epatch "${FILESDIR}"/clang-3.6-gentoo-install.patch
+
+		sed -i -e "s^@EPREFIX@^${EPREFIX}^" \
+			tools/clang/tools/scan-build/scan-build || die
+
+		# Install clang runtime into /usr/lib/clang
+		# https://llvm.org/bugs/show_bug.cgi?id=23792
+		epatch "${FILESDIR}"/cmake/clang-0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
+		epatch "${FILESDIR}"/cmake/compiler-rt-0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch
+
+		# Do not force -march flags on arm platforms
+		# https://bugs.gentoo.org/show_bug.cgi?id=562706
+		epatch "${FILESDIR}"/cmake/${PN}-3.7.0-compiler_rt_arm_march_flags.patch
+
+		# Make it possible to override CLANG_LIBDIR_SUFFIX
+		# (that is used only to find LLVMgold.so)
+		# https://llvm.org/bugs/show_bug.cgi?id=23793
+		epatch "${FILESDIR}"/cmake/clang-0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch
+
+		pushd projects/compiler-rt >/dev/null || die
+
+		# Fix msan with newer kernels, compiler-rt part, #569894
+		epatch "${FILESDIR}"/compiler-rt-3.7-msan-fix.patch
+
+		# Fix WX sections, bug #421527
+		find lib/builtins -type f -name '*.S' -exec sed \
+			 -e '$a\\n#if defined(__linux__) && defined(__ELF__)\n.section .note.GNU-stack,"",%progbits\n#endif' \
+			 -i {} + || die
+
+		popd >/dev/null || die
+	fi
+
+	if use lldb; then
+		# Do not install dummy readline.so module from
+		# https://llvm.org/bugs/show_bug.cgi?id=18841
+		sed -e 's/add_subdirectory(readline)/#&/' \
+			-i tools/lldb/scripts/Python/modules/CMakeLists.txt || die
+
+		# Fix Python paths, bugs #562436 and #562438
+		epatch "${FILESDIR}"/${PN}-3.7-lldb_python.patch
+		sed -e "s/GENTOO_LIBDIR/$(get_libdir)/" \
+			-i tools/lldb/scripts/Python/finishSwigPythonLLDB.py || die
+
+		# Fix build with ncurses[tinfo], #560474
+		# http://llvm.org/viewvc/llvm-project?view=revision&revision=247842
+		epatch "${FILESDIR}"/cmake/${PN}-3.7.0-lldb_tinfo.patch
+	fi
+
+	# User patches
+	epatch_user
+
+	python_setup
+
+	# Native libdir is used to hold LLVMgold.so
+	NATIVE_LIBDIR=$(get_libdir)
+}
+
+multilib_src_configure() {
+	local targets
+	if use multitarget; then
+		targets=all
+	else
+		targets='host;BPF;CppBackend'
+		use video_cards_radeon && targets+=';AMDGPU'
+	fi
+
+	local ffi_cflags ffi_ldflags
+	if use libffi; then
+		ffi_cflags=$(pkg-config --cflags-only-I libffi)
+		ffi_ldflags=$(pkg-config --libs-only-L libffi)
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		"${mycmakeargs[@]}"
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+		-DBUILD_SHARED_LIBS=ON
+		-DLLVM_ENABLE_TIMESTAMPS=OFF
+		-DLLVM_TARGETS_TO_BUILD="${targets}"
+		-DLLVM_BUILD_TESTS=$(usex test)
+
+		-DLLVM_ENABLE_FFI=$(usex libffi)
+		-DLLVM_ENABLE_TERMINFO=$(usex ncurses)
+		-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+
+		-DWITH_POLLY=OFF # TODO
+
+		-DLLVM_HOST_TRIPLE="${CHOST}"
+
+		-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+		-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+
+		-DHAVE_HISTEDIT_H=$(usex libedit)
+	)
+
+	if use clang; then
+		mycmakeargs+=(
+			-DCMAKE_DISABLE_FIND_PACKAGE_LibXml2=$(usex !xml)
+			# libgomp support fails to find headers without explicit -I
+			# furthermore, it provides only syntax checking
+			-DCLANG_DEFAULT_OPENMP_RUNTIME=libomp
+		)
+	fi
+
+	if use lldb; then
+		mycmakeargs+=(
+			-DLLDB_DISABLE_LIBEDIT=$(usex !libedit)
+			-DLLDB_DISABLE_CURSES=$(usex !ncurses)
+			-DLLDB_ENABLE_TERMINFO=$(usex ncurses)
+		)
+	fi
+
+	if ! multilib_is_native_abi || ! use ocaml; then
+		mycmakeargs+=(
+			-DOCAMLFIND=NO
+		)
+	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
+
+	if multilib_is_native_abi; then
+		mycmakeargs+=(
+			-DLLVM_BUILD_DOCS=$(usex doc)
+			-DLLVM_ENABLE_SPHINX=$(usex doc)
+			-DLLVM_ENABLE_DOXYGEN=OFF
+			-DLLVM_INSTALL_HTML="${EPREFIX}/usr/share/doc/${PF}/html"
+			-DSPHINX_WARNINGS_AS_ERRORS=OFF
+			-DLLVM_INSTALL_UTILS=ON
+		)
+
+		if use clang; then
+			mycmakeargs+=(
+				-DCLANG_INSTALL_HTML="${EPREFIX}/usr/share/doc/${PF}/clang"
+			)
+		fi
+
+		if use gold; then
+			mycmakeargs+=(
+				-DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
+			)
+		fi
+
+		if use lldb; then
+			mycmakeargs+=(
+				-DLLDB_DISABLE_PYTHON=$(usex !python)
+			)
+		fi
+
+	else
+		if use clang; then
+			mycmakeargs+=(
+				# disable compiler-rt on non-native ABI because:
+				# 1. it fails to configure because of -m32
+				# 2. it is shared between ABIs so no point building
+				# it multiple times
+				-DLLVM_EXTERNAL_COMPILER_RT_BUILD=OFF
+				-DLLVM_EXTERNAL_CLANG_TOOLS_EXTRA_BUILD=OFF
+			)
+		fi
+		if use lldb; then
+			mycmakeargs+=(
+				# only run swig on native abi
+				-DLLDB_DISABLE_PYTHON=ON
+			)
+		fi
+	fi
+
+	if use clang; then
+		mycmakeargs+=(
+			-DCLANG_ENABLE_ARCMT=$(usex static-analyzer)
+			-DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer)
+			-DCLANG_LIBDIR_SUFFIX="${NATIVE_LIBDIR#lib}"
+		)
+
+		# -- not needed when compiler-rt is built with host compiler --
+		# cmake passes host C*FLAGS to compiler-rt build
+		# which is performed using clang, so we need to filter out
+		# some flags clang does not support
+		# (if you know some more flags that don't work, let us know)
+		#filter-flags -msahf -frecord-gcc-switches
+	fi
+
+	cmake-utils_src_configure
+}
+
+multilib_src_compile() {
+	cmake-utils_src_compile
+	# TODO: not sure why this target is not correctly called
+	multilib_is_native_abi && use doc && use ocaml && cmake-utils_src_make docs/ocaml_doc
+
+	pax-mark m "${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 "${BUILD_DIR}"/unittests/Support/SupportTests
+	fi
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	local test_targets=( check )
+	# clang tests won't work on non-native ABI because we skip compiler-rt
+	multilib_is_native_abi && use clang && test_targets+=( check-clang )
+	cmake-utils_src_make "${test_targets[@]}"
+}
+
+src_install() {
+	local MULTILIB_CHOST_TOOLS=(
+		/usr/bin/llvm-config
+	)
+
+	local MULTILIB_WRAPPED_HEADERS=(
+		/usr/include/llvm/Config/config.h
+		/usr/include/llvm/Config/llvm-config.h
+	)
+
+	if use clang; then
+		# note: magic applied in multilib_src_install()!
+		CLANG_VERSION=${PV%.*}
+
+		MULTILIB_CHOST_TOOLS+=(
+			/usr/bin/clang
+			/usr/bin/clang++
+			/usr/bin/clang-cl
+			/usr/bin/clang-${CLANG_VERSION}
+			/usr/bin/clang++-${CLANG_VERSION}
+			/usr/bin/clang-cl-${CLANG_VERSION}
+		)
+
+		MULTILIB_WRAPPED_HEADERS+=(
+			/usr/include/clang/Config/config.h
+		)
+	fi
+
+	multilib-minimal_src_install
+}
+
+multilib_src_install() {
+	cmake-utils_src_install
+
+	if multilib_is_native_abi; then
+		# Install man pages.
+		use doc || doman "${WORKDIR}"/${PN}-3.7.0-manpages/*.1
+
+		# Symlink the gold plugin.
+		if use gold; then
+			dodir "/usr/${CHOST}/binutils-bin/lib/bfd-plugins"
+			dosym "../../../../$(get_libdir)/LLVMgold.so" \
+				"/usr/${CHOST}/binutils-bin/lib/bfd-plugins/LLVMgold.so"
+		fi
+	fi
+
+	# apply CHOST and CLANG_VERSION to clang executables
+	# they're statically linked so we don't have to worry about the lib
+	if use clang; then
+		local clang_tools=( clang clang++ clang-cl )
+		local i
+
+		# cmake gives us:
+		# - clang-X.Y
+		# - clang -> clang-X.Y
+		# - clang++, clang-cl -> clang
+		# we want to have:
+		# - clang-X.Y
+		# - clang++-X.Y, clang-cl-X.Y -> clang-X.Y
+		# - clang, clang++, clang-cl -> clang*-X.Y
+		# so we need to fix the two tools
+		for i in "${clang_tools[@]:1}"; do
+			rm "${ED%/}/usr/bin/${i}" || die
+			dosym "clang-${CLANG_VERSION}" "/usr/bin/${i}-${CLANG_VERSION}"
+			dosym "${i}-${CLANG_VERSION}" "/usr/bin/${i}"
+		done
+
+		# now prepend ${CHOST} and let the multilib-build.eclass symlink it
+		if ! multilib_is_native_abi; then
+			# non-native? let's replace it with a simple wrapper
+			for i in "${clang_tools[@]}"; do
+				rm "${ED%/}/usr/bin/${i}-${CLANG_VERSION}" || die
+				cat > "${T}"/wrapper.tmp <<-_EOF_
+					#!${EPREFIX}/bin/sh
+					exec "${i}-${CLANG_VERSION}" $(get_abi_CFLAGS) "\${@}"
+				_EOF_
+				newbin "${T}"/wrapper.tmp "${i}-${CLANG_VERSION}"
+			done
+		fi
+	fi
+}
+
+multilib_src_install_all() {
+	insinto /usr/share/vim/vimfiles
+	doins -r utils/vim/*/.
+	# some users may find it useful
+	dodoc utils/vim/vimrc
+
+	if use clang; then
+		pushd tools/clang >/dev/null || die
+
+		if use static-analyzer ; then
+			pushd tools/scan-build >/dev/null || die
+
+			dobin ccc-analyzer scan-build
+			dosym ccc-analyzer /usr/bin/c++-analyzer
+			doman scan-build.1
+
+			insinto /usr/share/llvm
+			doins scanview.css sorttable.js
+
+			popd >/dev/null || die
+		fi
+
+		if use static-analyzer ; then
+			pushd tools/scan-view >/dev/null || die
+
+			python_doscript scan-view
+
+			touch __init__.py || die
+			python_moduleinto clang
+			python_domodule *.py Resources
+
+			popd >/dev/null || die
+		fi
+
+		if use python ; then
+			pushd bindings/python/clang >/dev/null || die
+
+			python_moduleinto clang
+			python_domodule *.py
+
+			popd >/dev/null || die
+		fi
+
+		# AddressSanitizer symbolizer (currently separate)
+		dobin "${S}"/projects/compiler-rt/lib/asan/scripts/asan_symbolize.py
+
+		popd >/dev/null || die
+
+		python_fix_shebang "${ED}"
+		if use lldb && use python; then
+			python_optimize
+		fi
+	fi
+}
+
+pkg_postinst() {
+	if use clang && ! has_version sys-libs/libomp; then
+		elog "To enable OpenMP support in clang, install sys-libs/libomp."
+	fi
+}