From eccb70a7f91b2d22582587f26d1a28bb31408b45 Mon Sep 17 00:00:00 2001
From: V3n3RiX <venerix@redcorelinux.org>
Date: Sat, 18 May 2019 00:10:51 +0100
Subject: gentoo resync : 18.05.2019

---
 dev-lang/rust/Manifest              |  14 +-
 dev-lang/rust/rust-1.30.1-r1.ebuild |   2 -
 dev-lang/rust/rust-1.31.1.ebuild    |   2 -
 dev-lang/rust/rust-1.32.0.ebuild    |   2 -
 dev-lang/rust/rust-1.33.0.ebuild    |   2 -
 dev-lang/rust/rust-1.34.0-r2.ebuild | 330 ------------------------------------
 dev-lang/rust/rust-1.34.1.ebuild    | 330 ------------------------------------
 dev-lang/rust/rust-1.34.2.ebuild    | 328 +++++++++++++++++++++++++++++++++++
 8 files changed, 334 insertions(+), 676 deletions(-)
 delete mode 100644 dev-lang/rust/rust-1.34.0-r2.ebuild
 delete mode 100644 dev-lang/rust/rust-1.34.1.ebuild
 create mode 100644 dev-lang/rust/rust-1.34.2.ebuild

(limited to 'dev-lang/rust')

diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index 0da02198a34e..24c127f96aa2 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -91,14 +91,12 @@ DIST rustc-1.30.1-src.tar.xz 96086232 BLAKE2B 170767b64efe670086e7c4e73838b489a1
 DIST rustc-1.31.1-src.tar.xz 96915864 BLAKE2B bedfe1d56e2f99bb43b4b652d540aedf0a86c47b8493f28fb29e5af3135ff469ed40775bc2ee25ac5bd28a264ecba0094d7c9b6aae25ea365ed3e6f354ffa40b SHA512 d6688711452295c41468af214f036499074d82fbeedc3f03560275219c2fae910e623e38e3210176d86f78ba5533ea098da5ff21532c8ad1a5aac132bb74ee02
 DIST rustc-1.32.0-src.tar.xz 99602696 BLAKE2B ab26247e3ecb75dbe373254c1c49f46c00a5a4db2b9cedffccb30122ea3b7de2761d6995b5423d0105caf85cc9542b4c21d487385faa34c835398c3320ccbd3b SHA512 487c405fed6430f62d2d0c38b65f6223b1c5074c7a0d3734dc8b3bb72fca255f5727e49541749569713a0c3e9a67eff574ba5698e8dceca6f0ef20b50f99aa42
 DIST rustc-1.33.0-src.tar.xz 100635400 BLAKE2B 1fe8ffcfab8324a93a07b9b9ac9cd050fd9d660fb24884761e8ce5e5a67ce5b6df8513e1440090b39c3ced9cb5ced43f07cc9b0337d39625d2cf4aa9e083cfef SHA512 3291e4e19f75f44c81e6fcf4c01edc7c9d326eca43722381231abcf2e99f4314059ba59a29b79f5511ad9421c358c45e8fe18584d6954d17fe2aabad0f9d9147
-DIST rustc-1.34.0-src.tar.xz 95055768 BLAKE2B 5df848369e8087ac10c57d9818e644e51be1d4a89e68341a2a49a09f0902c153ba5fab2d82e4178742b3ac4205249347950d0685259f6b1fe0761ec4daf87518 SHA512 cf9952cafe42987f84a6fe9e351a401f2db35c33ddc87d2efb762c4c33a643ffe516f00d848a1ae759f48cea1504243b6169c29ab28ba2e6b00a51422c745861
-DIST rustc-1.34.1-src.tar.xz 95048260 BLAKE2B 41e034aa0e5ea71aa21d6b5700134fc2e1391915309aa14e11426b1c0a3ad213c5b11f67df3f1beebd885d9d3bb358b12a10dd2095cbcb6b2a18870e977568f8 SHA512 c9ee59a98e0300c16a9044424fbaad0e1d5f026279b9cb238ab5bfe02c6b111780ec5f9884c4cac67d5ee91833e301bc23bd457026982587982b2fb80a528dca
+DIST rustc-1.34.2-src.tar.xz 95048792 BLAKE2B e81e4bfda87ddfb09ab8a74792346970aa440c678d2bb1279c329db4929282f761ada6fea9d81ceeecfd513613025c8e636487626fc36bd0b33559e045bb1b15 SHA512 f1bd2b226d90aae8a4657e6117b9a8451d4ce8129f79cc0fce0da7613a3b7800e690bc0ede8fec20a2f5f32c13fa8e22ac97d3838e0d36936793535a75d9c381
 EBUILD rust-1.29.1-r1.ebuild 8002 BLAKE2B b1c0f7bb8607faab03876b472224d5f1c2dadef67441fe834a9765d0aa5c483c027af028719407ec9acb3d4a4337c78ababf1afac8a9421a70519e9e90dd6d9c SHA512 c299357f8423c140a41ffcd178c2fb6b9ff46df11403df31d5bb3d039c8494284c73f706ba94546ebebdb6f82e22c5fc5e07a213feaab078e7a94b72807fe2a0
 EBUILD rust-1.29.2-r1.ebuild 7534 BLAKE2B 43c508d7642a46035317595c7fa937316cca0f8807beea498d82c1f16e897d4703d3623b0893034f4807de6ab7a9ff9f8e899e33709f545b64eb9ab5ee56e4cb SHA512 3d49193701daf987d23463c62f8d7ba2e9a53c5e04d1e1c97fbd21e344d03ed0adaef3bffc8062db0dc9492201270ded01f1b270b2e9ab7168b57c8bf550c5af
-EBUILD rust-1.30.1-r1.ebuild 8207 BLAKE2B d78ee4c3a6ae06b9ba343721dff150348ce86ef060bcabbc3d523d6acf89c0c9ad6b2a8713c1376515060a285ade75286b4f2c9c67e09e0d56a3f5f8be17b49b SHA512 1ef857ee44e8d6fc55dfc546d6636c4368ed74300b901b01a1bf22291fc3562b9262231e567b9d4df80407c721548f2f2cc2fb6222d8598b4169618cfc7f18c7
-EBUILD rust-1.31.1.ebuild 8205 BLAKE2B 349c6817d25ac006b66e10702cb11f061afdaad818f9dad7e708ef941e8e01a906e496fe52153d48c25428bb7b45c777589dbdd5c969b628e401086d86aabd49 SHA512 7c648f97105d9be1bc7eaa3904bf4af923eaf3dd8bc4da62a8662eb761d06e7a6a389aefa71fe13b56fa61560763897541a677fca9b4cfc698fe0a4b1c422828
-EBUILD rust-1.32.0.ebuild 8672 BLAKE2B 64c5bc60a4b2acb5c10e51990cfd31b30868bb0a68e5bb6b457d1ec9e278c4f49e82eeb34ef936f8ae27124061e989ef93a47fa5b5c09d9de2fd0e70f58391f2 SHA512 e07f819613b47d9ccebb0890e512f9510c58775602a362152cf8a78074d0a994dc710454f9a35956c7a6bf023655746f3bf9da879e7f00a5bb232cdc1e78b03e
-EBUILD rust-1.33.0.ebuild 8754 BLAKE2B 420025a98acb698403e55308a9e3340c535ce1a7459143b4611311b69c7057b8568746d1a5c2822434db01c1e51da01170b54ea177afe3d9d5eb3ca9958eceba SHA512 db6840cb69852a569912aff53427b3062d3f4807f80b30dcc4181cbca28765854ca4ac070dfa77744e38c636a49e9f12a98b1f0337b71be7368f757042238f71
-EBUILD rust-1.34.0-r2.ebuild 9061 BLAKE2B 485ea73226c89ff401932a3c84e9b663a545dfca61ba756c2d6914d64a830c5be67327d22fab78136b2539d519a4a86373db83d53545cdf44dd72222050c8b39 SHA512 315007aec97acae7d5e2a82ee5900712368a44054e92fc5e68a0d54b1077e71b9faff46455fff5008822d824bff6defc1f7779d85a98feb6260c2fbb9cbcbee3
-EBUILD rust-1.34.1.ebuild 9061 BLAKE2B 485ea73226c89ff401932a3c84e9b663a545dfca61ba756c2d6914d64a830c5be67327d22fab78136b2539d519a4a86373db83d53545cdf44dd72222050c8b39 SHA512 315007aec97acae7d5e2a82ee5900712368a44054e92fc5e68a0d54b1077e71b9faff46455fff5008822d824bff6defc1f7779d85a98feb6260c2fbb9cbcbee3
+EBUILD rust-1.30.1-r1.ebuild 8159 BLAKE2B 9f043b855ac382f79c1d13bfd1cd9c3f8d64db937b6045108a52d987cad5fde152981643d5d67b5796ecdc6637735d877259c116574aede69c9e360be2465f9e SHA512 66dc471dc91a0510cad0bc91b0df688a90ed4fc75cb3bd3846dac9f40e718f51e0e47c884be31586772248928a28b84fe62b0c43e764a3eed3c1e5086f2e4b4a
+EBUILD rust-1.31.1.ebuild 8157 BLAKE2B 0b22f3e299c6ba5530426630b85cb19d3a2d6065690d48c02a76c849983f0f4fd9dc1019e1ed650cb31dbc2f384112b46e4d937901c695fee8378df220c94d46 SHA512 0a64c18d348481dedb5e9165e34c86aeb8f52e6091b4fc3a3ae7d86fcd15854aaa5356eac133b25aba5ab3687b71d6d1a0ec5a6187b06ce2cb755c0f04586063
+EBUILD rust-1.32.0.ebuild 8624 BLAKE2B 22d0f2cd85ed5a96edad7442f7bcb02e854e63d57d94facc0e0117759b3d91119ce9680a456507ca29738fb08efa14626419dd54ce18e161cbab1597389870f5 SHA512 7398e026113a40f222327c0d077216e0b03d7a4db625ff7d119088e957b57f105647f9ad80e8e86cd257d360f5dafbbd0e098030584f5d7fc7217607d3426c0f
+EBUILD rust-1.33.0.ebuild 8706 BLAKE2B 3b06f3fab34fb5cb3e367dc819ca7f1bfbd659c07697ddb2550174afbb6ddb3f19c48fe3b3c96102204b2287445cdb1e808fe6aa4a457fadb368f00201fd34a2 SHA512 2f7af5e0d7eb14f72792b576d72a6b02131e1ca660f435ca950743be9079886aa3879640de289d3d4b87251bd969960595ffd0732283edfe53775e2a2646f45e
+EBUILD rust-1.34.2.ebuild 9011 BLAKE2B 8406478b47236fe8720419378b9cd76c71a90476c98f60933c91d1a9d4297568024fe0c6d95e073b331fc73c1c0aa72f83d3e66dd90ddfb72d4175ca66bb7743 SHA512 096bef12f766f5e13170b67d65a6640cdc0b362a6f27104d8a3cc2909a8ac04d0ab1f37930fbc8dfbccd86ed0f6b423d063006fead1a5ac3b89787bcba5bc552
 MISC metadata.xml 634 BLAKE2B 394e75b1b5b5d9fad1d87dca27d7807bfce9eb723bc339dbb7c0630dc5abd3669e9469a9e75da74925d16d63c78971b0e7c84710db9b2cd15e87d81f49968903 SHA512 9e02acc0ad17e2f502c6082b5df9aeb6b9655783892a85d67855b3f6a79ec36dca610170bb002116c354626d44282c4e35e30cdf6b5e49745cfc6a990f55731c
diff --git a/dev-lang/rust/rust-1.30.1-r1.ebuild b/dev-lang/rust/rust-1.30.1-r1.ebuild
index 425fdeb1bf66..77587498d408 100644
--- a/dev-lang/rust/rust-1.30.1-r1.ebuild
+++ b/dev-lang/rust/rust-1.30.1-r1.ebuild
@@ -73,11 +73,9 @@ toml_usex() {
 
 pre_build_checks() {
 	CHECKREQS_DISK_BUILD="7G"
-	CHECKREQS_MEMORY="4G"
 	eshopts_push -s extglob
 	if is-flagq '-g?(gdb)?([1-9])'; then
 		CHECKREQS_DISK_BUILD="10G"
-		CHECKREQS_MEMORY="16G"
 	fi
 	eshopts_pop
 	check-reqs_pkg_setup
diff --git a/dev-lang/rust/rust-1.31.1.ebuild b/dev-lang/rust/rust-1.31.1.ebuild
index 21695617d4bb..785776336470 100644
--- a/dev-lang/rust/rust-1.31.1.ebuild
+++ b/dev-lang/rust/rust-1.31.1.ebuild
@@ -72,11 +72,9 @@ toml_usex() {
 
 pre_build_checks() {
 	CHECKREQS_DISK_BUILD="7G"
-	CHECKREQS_MEMORY="4G"
 	eshopts_push -s extglob
 	if is-flagq '-g?(gdb)?([1-9])'; then
 		CHECKREQS_DISK_BUILD="10G"
-		CHECKREQS_MEMORY="16G"
 	fi
 	eshopts_pop
 	check-reqs_pkg_setup
diff --git a/dev-lang/rust/rust-1.32.0.ebuild b/dev-lang/rust/rust-1.32.0.ebuild
index 8a1990cfb627..e145841b5573 100644
--- a/dev-lang/rust/rust-1.32.0.ebuild
+++ b/dev-lang/rust/rust-1.32.0.ebuild
@@ -78,11 +78,9 @@ toml_usex() {
 
 pre_build_checks() {
 	CHECKREQS_DISK_BUILD="7G"
-	CHECKREQS_MEMORY="4G"
 	eshopts_push -s extglob
 	if is-flagq '-g?(gdb)?([1-9])'; then
 		CHECKREQS_DISK_BUILD="10G"
-		CHECKREQS_MEMORY="16G"
 	fi
 	eshopts_pop
 	check-reqs_pkg_setup
diff --git a/dev-lang/rust/rust-1.33.0.ebuild b/dev-lang/rust/rust-1.33.0.ebuild
index 0cc4462509e3..68b5d2b12214 100644
--- a/dev-lang/rust/rust-1.33.0.ebuild
+++ b/dev-lang/rust/rust-1.33.0.ebuild
@@ -93,11 +93,9 @@ toml_usex() {
 
 pre_build_checks() {
 	CHECKREQS_DISK_BUILD="7G"
-	CHECKREQS_MEMORY="4G"
 	eshopts_push -s extglob
 	if is-flagq '-g?(gdb)?([1-9])'; then
 		CHECKREQS_DISK_BUILD="10G"
-		CHECKREQS_MEMORY="16G"
 	fi
 	eshopts_pop
 	check-reqs_pkg_setup
diff --git a/dev-lang/rust/rust-1.34.0-r2.ebuild b/dev-lang/rust/rust-1.34.0-r2.ebuild
deleted file mode 100644
index 3409dc5c4f4a..000000000000
--- a/dev-lang/rust/rust-1.34.0-r2.ebuild
+++ /dev/null
@@ -1,330 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-PYTHON_COMPAT=( python2_7 python3_{5,6,7} pypy )
-
-inherit check-reqs eapi7-ver estack flag-o-matic llvm multiprocessing multilib-build python-any-r1 rust-toolchain toolchain-funcs
-
-if [[ ${PV} = *beta* ]]; then
-	betaver=${PV//*beta}
-	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
-	MY_P="rustc-beta"
-	SLOT="beta/${PV}"
-	SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
-else
-	ABI_VER="$(ver_cut 1-2)"
-	SLOT="stable/${ABI_VER}"
-	MY_P="rustc-${PV}"
-	SRC="${MY_P}-src.tar.xz"
-	KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
-fi
-
-RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).0"
-
-DESCRIPTION="Systems programming language from Mozilla"
-HOMEPAGE="https://www.rust-lang.org/"
-
-SRC_URI="https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
-		$(rust_all_arch_uris rust-${RUST_STAGE0_VERSION})"
-
-ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
-	NVPTX PowerPC Sparc SystemZ WebAssembly X86 XCore )
-ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
-LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/?}
-
-LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
-
-IUSE="clippy cpu_flags_x86_sse2 debug doc libressl rls rustfmt system-llvm wasm ${ALL_LLVM_TARGETS[*]}"
-
-# Please keep the LLVM dependency block separate. Since LLVM is slotted,
-# we need to *really* make sure we're not pulling one than more slot
-# simultaneously.
-
-# How to use it:
-# 1. List all the working slots (with min versions) in ||, newest first.
-# 2. Update the := to specify *max* version, e.g. < 9.
-# 3. Specify LLVM_MAX_SLOT, e.g. 8.
-LLVM_DEPEND="
-	|| (
-		sys-devel/llvm:8[llvm_targets_WebAssembly?]
-	)
-	<sys-devel/llvm-9:=
-"
-LLVM_MAX_SLOT=8
-
-COMMON_DEPEND="
-	sys-libs/zlib
-	!libressl? ( dev-libs/openssl:0= )
-	libressl? ( dev-libs/libressl:0= )
-	net-libs/libssh2
-	net-libs/http-parser:=
-	net-misc/curl[ssl]
-	system-llvm? (
-		${LLVM_DEPEND}
-	)
-"
-
-DEPEND="${COMMON_DEPEND}
-	${PYTHON_DEPS}
-	|| (
-		>=sys-devel/gcc-4.7
-		>=sys-devel/clang-3.5
-	)
-	dev-util/cmake"
-RDEPEND="${COMMON_DEPEND}
-	>=app-eselect/eselect-rust-20190311
-	!dev-util/cargo
-	rustfmt? ( !dev-util/rustfmt )"
-REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
-	wasm? ( llvm_targets_WebAssembly )
-	x86? ( cpu_flags_x86_sse2 )
-"
-
-PATCHES=(
-	"${FILESDIR}"/0001-llvm-cmake-Add-additional-headers-only-if-they-exist.patch
-	"${FILESDIR}"/1.34.0-doc-build-fix.patch
-	"${FILESDIR}"/1.34.0-libressl.patch # bug 684224
-)
-
-S="${WORKDIR}/${MY_P}-src"
-
-toml_usex() {
-	usex "$1" true false
-}
-
-pre_build_checks() {
-	CHECKREQS_DISK_BUILD="7G"
-	CHECKREQS_MEMORY="4G"
-	eshopts_push -s extglob
-	if is-flagq '-g?(gdb)?([1-9])'; then
-		CHECKREQS_DISK_BUILD="10G"
-		CHECKREQS_MEMORY="16G"
-	fi
-	eshopts_pop
-	check-reqs_pkg_setup
-}
-
-pkg_pretend() {
-	pre_build_checks
-}
-
-pkg_setup() {
-	pre_build_checks
-	python-any-r1_pkg_setup
-	use system-llvm && llvm_pkg_setup
-}
-
-src_prepare() {
-	local rust_stage0_root="${WORKDIR}"/rust-stage0
-
-	local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
-
-	"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig --destdir="${rust_stage0_root}" --prefix=/ || die
-
-	# ugly hack for https://bugs.gentoo.org/679806
-	if use ppc64; then
-		sed -i 's/getentropy/gEtEnTrOpY/g' "${rust_stage0_root}"/bin/cargo || die
-		export OPENSSL_ppccap=0
-	fi
-
-	default
-}
-
-src_configure() {
-	local rust_target="" rust_targets="" arch_cflags
-
-	# Collect rust target names to compile standard libs for all ABIs.
-	for v in $(multilib_get_enabled_abi_pairs); do
-		rust_targets="${rust_targets},\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
-	done
-	if use wasm; then
-		rust_targets="${rust_targets},\"wasm32-unknown-unknown\""
-	fi
-	rust_targets="${rust_targets#,}"
-
-	local extended="true" tools="\"cargo\","
-	if use clippy; then
-		tools="\"clippy\",$tools"
-	fi
-	if use rls; then
-		tools="\"rls\",\"analysis\",\"src\",$tools"
-	fi
-	if use rustfmt; then
-		tools="\"rustfmt\",$tools"
-	fi
-
-	local rust_stage0_root="${WORKDIR}"/rust-stage0
-
-	rust_target="$(rust_abi)"
-
-	cat <<- EOF > "${S}"/config.toml
-		[llvm]
-		optimize = $(toml_usex !debug)
-		release-debuginfo = $(toml_usex debug)
-		assertions = $(toml_usex debug)
-		targets = "${LLVM_TARGETS// /;}"
-		experimental-targets = ""
-		link-shared = $(toml_usex system-llvm)
-		[build]
-		build = "${rust_target}"
-		host = ["${rust_target}"]
-		target = [${rust_targets}]
-		cargo = "${rust_stage0_root}/bin/cargo"
-		rustc = "${rust_stage0_root}/bin/rustc"
-		docs = $(toml_usex doc)
-		submodules = false
-		python = "${EPYTHON}"
-		locked-deps = true
-		vendor = true
-		extended = ${extended}
-		tools = [${tools}]
-		[install]
-		prefix = "${EPREFIX}/usr"
-		libdir = "$(get_libdir)/${P}"
-		docdir = "share/doc/${P}"
-		mandir = "share/${P}/man"
-		[rust]
-		optimize = $(toml_usex !debug)
-		debuginfo = $(toml_usex debug)
-		debug-assertions = $(toml_usex debug)
-		default-linker = "$(tc-getCC)"
-		channel = "stable"
-		rpath = false
-		lld = $(toml_usex wasm)
-	EOF
-
-	for v in $(multilib_get_enabled_abi_pairs); do
-		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
-		arch_cflags="$(get_abi_CFLAGS ${v##*.})"
-
-		cat <<- EOF >> "${S}"/config.env
-			CFLAGS_${rust_target}=${arch_cflags}
-		EOF
-
-		cat <<- EOF >> "${S}"/config.toml
-			[target.${rust_target}]
-			cc = "$(tc-getBUILD_CC)"
-			cxx = "$(tc-getBUILD_CXX)"
-			linker = "$(tc-getCC)"
-			ar = "$(tc-getAR)"
-		EOF
-		if use system-llvm; then
-			cat <<- EOF >> "${S}"/config.toml
-				llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
-			EOF
-		fi
-	done
-
-	if use wasm; then
-		cat <<- EOF >> "${S}"/config.toml
-			[target.wasm32-unknown-unknown]
-			linker = "rust-lld"
-		EOF
-	fi
-}
-
-src_compile() {
-	env $(cat "${S}"/config.env)\
-		"${EPYTHON}" ./x.py build -v --config="${S}"/config.toml -j$(makeopts_jobs) \
-		--exclude src/tools/miri || die # https://github.com/rust-lang/rust/issues/52305
-}
-
-src_install() {
-	local rust_target abi_libdir
-
-	env DESTDIR="${D}" "${EPYTHON}" ./x.py install -v || die
-
-	mv "${ED}/usr/bin/rustc" "${ED}/usr/bin/rustc-${PV}" || die
-	mv "${ED}/usr/bin/rustdoc" "${ED}/usr/bin/rustdoc-${PV}" || die
-	mv "${ED}/usr/bin/rust-gdb" "${ED}/usr/bin/rust-gdb-${PV}" || die
-	mv "${ED}/usr/bin/rust-gdbgui" "${ED}/usr/bin/rust-gdbgui-${PV}" || die
-	mv "${ED}/usr/bin/rust-lldb" "${ED}/usr/bin/rust-lldb-${PV}" || die
-	mv "${ED}/usr/bin/cargo" "${ED}/usr/bin/cargo-${PV}" || die
-	if use clippy; then
-		mv "${ED}/usr/bin/clippy-driver" "${ED}/usr/bin/clippy-driver-${PV}" || die
-		mv "${ED}/usr/bin/cargo-clippy" "${ED}/usr/bin/cargo-clippy-${PV}" || die
-	fi
-	if use rls; then
-		mv "${ED}/usr/bin/rls" "${ED}/usr/bin/rls-${PV}" || die
-	fi
-	if use rustfmt; then
-		mv "${ED}/usr/bin/rustfmt" "${ED}/usr/bin/rustfmt-${PV}" || die
-		mv "${ED}/usr/bin/cargo-fmt" "${ED}/usr/bin/cargo-fmt-${PV}" || die
-	fi
-
-	# Copy shared library versions of standard libraries for all targets
-	# into the system's abi-dependent lib directories because the rust
-	# installer only does so for the native ABI.
-	for v in $(multilib_get_enabled_abi_pairs); do
-		if [ ${v##*.} = ${DEFAULT_ABI} ]; then
-			continue
-		fi
-		abi_libdir=$(get_abi_LIBDIR ${v##*.})
-		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
-		mkdir -p "${ED}/usr/${abi_libdir}"
-		cp "${ED}/usr/$(get_libdir)/${P}/rustlib/${rust_target}/lib"/*.so \
-		   "${ED}/usr/${abi_libdir}" || die
-	done
-
-	dodoc COPYRIGHT
-
-	# FIXME:
-	# Really not sure if that env is needed, specailly LDPATH
-	cat <<-EOF > "${T}"/50${P}
-		LDPATH="${EPREFIX}/usr/$(get_libdir)/${P}"
-		MANPATH="${EPREFIX}/usr/share/${P}/man"
-	EOF
-	doenvd "${T}"/50${P}
-
-	# note: eselect-rust adds EROOT to all paths below
-	cat <<-EOF > "${T}/provider-${P}"
-		/usr/bin/rustdoc
-		/usr/bin/rust-gdb
-		/usr/bin/rust-gdbgui
-		/usr/bin/rust-lldb
-	EOF
-	echo /usr/bin/cargo >> "${T}/provider-${P}"
-	if use clippy; then
-		echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
-		echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
-	fi
-	if use rls; then
-		echo /usr/bin/rls >> "${T}/provider-${P}"
-	fi
-	if use rustfmt; then
-		echo /usr/bin/rustfmt >> "${T}/provider-${P}"
-		echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
-	fi
-	dodir /etc/env.d/rust
-	insinto /etc/env.d/rust
-	doins "${T}/provider-${P}"
-}
-
-pkg_postinst() {
-	eselect rust update --if-unset
-
-	elog "Rust installs a helper script for calling GDB and LLDB,"
-	elog "for your convenience it is installed under /usr/bin/rust-{gdb,lldb}-${PV}."
-
-	ewarn "cargo is now installed from dev-lang/rust{,-bin} instead of dev-util/cargo."
-	ewarn "This might have resulted in a dangling symlink for /usr/bin/cargo on some"
-	ewarn "systems. This can be resolved by calling 'sudo eselect rust set ${P}'."
-
-	if has_version app-editors/emacs || has_version app-editors/emacs-vcs; then
-		elog "install app-emacs/rust-mode to get emacs support for rust."
-	fi
-
-	if has_version app-editors/gvim || has_version app-editors/vim; then
-		elog "install app-vim/rust-vim to get vim support for rust."
-	fi
-
-	if has_version 'app-shells/zsh'; then
-		elog "install app-shells/rust-zshcomp to get zsh completion for rust."
-	fi
-}
-
-pkg_postrm() {
-	eselect rust unset --if-invalid
-}
diff --git a/dev-lang/rust/rust-1.34.1.ebuild b/dev-lang/rust/rust-1.34.1.ebuild
deleted file mode 100644
index 3409dc5c4f4a..000000000000
--- a/dev-lang/rust/rust-1.34.1.ebuild
+++ /dev/null
@@ -1,330 +0,0 @@
-# Copyright 1999-2019 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-PYTHON_COMPAT=( python2_7 python3_{5,6,7} pypy )
-
-inherit check-reqs eapi7-ver estack flag-o-matic llvm multiprocessing multilib-build python-any-r1 rust-toolchain toolchain-funcs
-
-if [[ ${PV} = *beta* ]]; then
-	betaver=${PV//*beta}
-	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
-	MY_P="rustc-beta"
-	SLOT="beta/${PV}"
-	SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
-else
-	ABI_VER="$(ver_cut 1-2)"
-	SLOT="stable/${ABI_VER}"
-	MY_P="rustc-${PV}"
-	SRC="${MY_P}-src.tar.xz"
-	KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
-fi
-
-RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).0"
-
-DESCRIPTION="Systems programming language from Mozilla"
-HOMEPAGE="https://www.rust-lang.org/"
-
-SRC_URI="https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
-		$(rust_all_arch_uris rust-${RUST_STAGE0_VERSION})"
-
-ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
-	NVPTX PowerPC Sparc SystemZ WebAssembly X86 XCore )
-ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
-LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/?}
-
-LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
-
-IUSE="clippy cpu_flags_x86_sse2 debug doc libressl rls rustfmt system-llvm wasm ${ALL_LLVM_TARGETS[*]}"
-
-# Please keep the LLVM dependency block separate. Since LLVM is slotted,
-# we need to *really* make sure we're not pulling one than more slot
-# simultaneously.
-
-# How to use it:
-# 1. List all the working slots (with min versions) in ||, newest first.
-# 2. Update the := to specify *max* version, e.g. < 9.
-# 3. Specify LLVM_MAX_SLOT, e.g. 8.
-LLVM_DEPEND="
-	|| (
-		sys-devel/llvm:8[llvm_targets_WebAssembly?]
-	)
-	<sys-devel/llvm-9:=
-"
-LLVM_MAX_SLOT=8
-
-COMMON_DEPEND="
-	sys-libs/zlib
-	!libressl? ( dev-libs/openssl:0= )
-	libressl? ( dev-libs/libressl:0= )
-	net-libs/libssh2
-	net-libs/http-parser:=
-	net-misc/curl[ssl]
-	system-llvm? (
-		${LLVM_DEPEND}
-	)
-"
-
-DEPEND="${COMMON_DEPEND}
-	${PYTHON_DEPS}
-	|| (
-		>=sys-devel/gcc-4.7
-		>=sys-devel/clang-3.5
-	)
-	dev-util/cmake"
-RDEPEND="${COMMON_DEPEND}
-	>=app-eselect/eselect-rust-20190311
-	!dev-util/cargo
-	rustfmt? ( !dev-util/rustfmt )"
-REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
-	wasm? ( llvm_targets_WebAssembly )
-	x86? ( cpu_flags_x86_sse2 )
-"
-
-PATCHES=(
-	"${FILESDIR}"/0001-llvm-cmake-Add-additional-headers-only-if-they-exist.patch
-	"${FILESDIR}"/1.34.0-doc-build-fix.patch
-	"${FILESDIR}"/1.34.0-libressl.patch # bug 684224
-)
-
-S="${WORKDIR}/${MY_P}-src"
-
-toml_usex() {
-	usex "$1" true false
-}
-
-pre_build_checks() {
-	CHECKREQS_DISK_BUILD="7G"
-	CHECKREQS_MEMORY="4G"
-	eshopts_push -s extglob
-	if is-flagq '-g?(gdb)?([1-9])'; then
-		CHECKREQS_DISK_BUILD="10G"
-		CHECKREQS_MEMORY="16G"
-	fi
-	eshopts_pop
-	check-reqs_pkg_setup
-}
-
-pkg_pretend() {
-	pre_build_checks
-}
-
-pkg_setup() {
-	pre_build_checks
-	python-any-r1_pkg_setup
-	use system-llvm && llvm_pkg_setup
-}
-
-src_prepare() {
-	local rust_stage0_root="${WORKDIR}"/rust-stage0
-
-	local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
-
-	"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig --destdir="${rust_stage0_root}" --prefix=/ || die
-
-	# ugly hack for https://bugs.gentoo.org/679806
-	if use ppc64; then
-		sed -i 's/getentropy/gEtEnTrOpY/g' "${rust_stage0_root}"/bin/cargo || die
-		export OPENSSL_ppccap=0
-	fi
-
-	default
-}
-
-src_configure() {
-	local rust_target="" rust_targets="" arch_cflags
-
-	# Collect rust target names to compile standard libs for all ABIs.
-	for v in $(multilib_get_enabled_abi_pairs); do
-		rust_targets="${rust_targets},\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
-	done
-	if use wasm; then
-		rust_targets="${rust_targets},\"wasm32-unknown-unknown\""
-	fi
-	rust_targets="${rust_targets#,}"
-
-	local extended="true" tools="\"cargo\","
-	if use clippy; then
-		tools="\"clippy\",$tools"
-	fi
-	if use rls; then
-		tools="\"rls\",\"analysis\",\"src\",$tools"
-	fi
-	if use rustfmt; then
-		tools="\"rustfmt\",$tools"
-	fi
-
-	local rust_stage0_root="${WORKDIR}"/rust-stage0
-
-	rust_target="$(rust_abi)"
-
-	cat <<- EOF > "${S}"/config.toml
-		[llvm]
-		optimize = $(toml_usex !debug)
-		release-debuginfo = $(toml_usex debug)
-		assertions = $(toml_usex debug)
-		targets = "${LLVM_TARGETS// /;}"
-		experimental-targets = ""
-		link-shared = $(toml_usex system-llvm)
-		[build]
-		build = "${rust_target}"
-		host = ["${rust_target}"]
-		target = [${rust_targets}]
-		cargo = "${rust_stage0_root}/bin/cargo"
-		rustc = "${rust_stage0_root}/bin/rustc"
-		docs = $(toml_usex doc)
-		submodules = false
-		python = "${EPYTHON}"
-		locked-deps = true
-		vendor = true
-		extended = ${extended}
-		tools = [${tools}]
-		[install]
-		prefix = "${EPREFIX}/usr"
-		libdir = "$(get_libdir)/${P}"
-		docdir = "share/doc/${P}"
-		mandir = "share/${P}/man"
-		[rust]
-		optimize = $(toml_usex !debug)
-		debuginfo = $(toml_usex debug)
-		debug-assertions = $(toml_usex debug)
-		default-linker = "$(tc-getCC)"
-		channel = "stable"
-		rpath = false
-		lld = $(toml_usex wasm)
-	EOF
-
-	for v in $(multilib_get_enabled_abi_pairs); do
-		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
-		arch_cflags="$(get_abi_CFLAGS ${v##*.})"
-
-		cat <<- EOF >> "${S}"/config.env
-			CFLAGS_${rust_target}=${arch_cflags}
-		EOF
-
-		cat <<- EOF >> "${S}"/config.toml
-			[target.${rust_target}]
-			cc = "$(tc-getBUILD_CC)"
-			cxx = "$(tc-getBUILD_CXX)"
-			linker = "$(tc-getCC)"
-			ar = "$(tc-getAR)"
-		EOF
-		if use system-llvm; then
-			cat <<- EOF >> "${S}"/config.toml
-				llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
-			EOF
-		fi
-	done
-
-	if use wasm; then
-		cat <<- EOF >> "${S}"/config.toml
-			[target.wasm32-unknown-unknown]
-			linker = "rust-lld"
-		EOF
-	fi
-}
-
-src_compile() {
-	env $(cat "${S}"/config.env)\
-		"${EPYTHON}" ./x.py build -v --config="${S}"/config.toml -j$(makeopts_jobs) \
-		--exclude src/tools/miri || die # https://github.com/rust-lang/rust/issues/52305
-}
-
-src_install() {
-	local rust_target abi_libdir
-
-	env DESTDIR="${D}" "${EPYTHON}" ./x.py install -v || die
-
-	mv "${ED}/usr/bin/rustc" "${ED}/usr/bin/rustc-${PV}" || die
-	mv "${ED}/usr/bin/rustdoc" "${ED}/usr/bin/rustdoc-${PV}" || die
-	mv "${ED}/usr/bin/rust-gdb" "${ED}/usr/bin/rust-gdb-${PV}" || die
-	mv "${ED}/usr/bin/rust-gdbgui" "${ED}/usr/bin/rust-gdbgui-${PV}" || die
-	mv "${ED}/usr/bin/rust-lldb" "${ED}/usr/bin/rust-lldb-${PV}" || die
-	mv "${ED}/usr/bin/cargo" "${ED}/usr/bin/cargo-${PV}" || die
-	if use clippy; then
-		mv "${ED}/usr/bin/clippy-driver" "${ED}/usr/bin/clippy-driver-${PV}" || die
-		mv "${ED}/usr/bin/cargo-clippy" "${ED}/usr/bin/cargo-clippy-${PV}" || die
-	fi
-	if use rls; then
-		mv "${ED}/usr/bin/rls" "${ED}/usr/bin/rls-${PV}" || die
-	fi
-	if use rustfmt; then
-		mv "${ED}/usr/bin/rustfmt" "${ED}/usr/bin/rustfmt-${PV}" || die
-		mv "${ED}/usr/bin/cargo-fmt" "${ED}/usr/bin/cargo-fmt-${PV}" || die
-	fi
-
-	# Copy shared library versions of standard libraries for all targets
-	# into the system's abi-dependent lib directories because the rust
-	# installer only does so for the native ABI.
-	for v in $(multilib_get_enabled_abi_pairs); do
-		if [ ${v##*.} = ${DEFAULT_ABI} ]; then
-			continue
-		fi
-		abi_libdir=$(get_abi_LIBDIR ${v##*.})
-		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
-		mkdir -p "${ED}/usr/${abi_libdir}"
-		cp "${ED}/usr/$(get_libdir)/${P}/rustlib/${rust_target}/lib"/*.so \
-		   "${ED}/usr/${abi_libdir}" || die
-	done
-
-	dodoc COPYRIGHT
-
-	# FIXME:
-	# Really not sure if that env is needed, specailly LDPATH
-	cat <<-EOF > "${T}"/50${P}
-		LDPATH="${EPREFIX}/usr/$(get_libdir)/${P}"
-		MANPATH="${EPREFIX}/usr/share/${P}/man"
-	EOF
-	doenvd "${T}"/50${P}
-
-	# note: eselect-rust adds EROOT to all paths below
-	cat <<-EOF > "${T}/provider-${P}"
-		/usr/bin/rustdoc
-		/usr/bin/rust-gdb
-		/usr/bin/rust-gdbgui
-		/usr/bin/rust-lldb
-	EOF
-	echo /usr/bin/cargo >> "${T}/provider-${P}"
-	if use clippy; then
-		echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
-		echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
-	fi
-	if use rls; then
-		echo /usr/bin/rls >> "${T}/provider-${P}"
-	fi
-	if use rustfmt; then
-		echo /usr/bin/rustfmt >> "${T}/provider-${P}"
-		echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
-	fi
-	dodir /etc/env.d/rust
-	insinto /etc/env.d/rust
-	doins "${T}/provider-${P}"
-}
-
-pkg_postinst() {
-	eselect rust update --if-unset
-
-	elog "Rust installs a helper script for calling GDB and LLDB,"
-	elog "for your convenience it is installed under /usr/bin/rust-{gdb,lldb}-${PV}."
-
-	ewarn "cargo is now installed from dev-lang/rust{,-bin} instead of dev-util/cargo."
-	ewarn "This might have resulted in a dangling symlink for /usr/bin/cargo on some"
-	ewarn "systems. This can be resolved by calling 'sudo eselect rust set ${P}'."
-
-	if has_version app-editors/emacs || has_version app-editors/emacs-vcs; then
-		elog "install app-emacs/rust-mode to get emacs support for rust."
-	fi
-
-	if has_version app-editors/gvim || has_version app-editors/vim; then
-		elog "install app-vim/rust-vim to get vim support for rust."
-	fi
-
-	if has_version 'app-shells/zsh'; then
-		elog "install app-shells/rust-zshcomp to get zsh completion for rust."
-	fi
-}
-
-pkg_postrm() {
-	eselect rust unset --if-invalid
-}
diff --git a/dev-lang/rust/rust-1.34.2.ebuild b/dev-lang/rust/rust-1.34.2.ebuild
new file mode 100644
index 000000000000..6a8ae98793bc
--- /dev/null
+++ b/dev-lang/rust/rust-1.34.2.ebuild
@@ -0,0 +1,328 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 python3_{5,6,7} pypy )
+
+inherit check-reqs eapi7-ver estack flag-o-matic llvm multiprocessing multilib-build python-any-r1 rust-toolchain toolchain-funcs
+
+if [[ ${PV} = *beta* ]]; then
+	betaver=${PV//*beta}
+	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+	MY_P="rustc-beta"
+	SLOT="beta/${PV}"
+	SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
+else
+	ABI_VER="$(ver_cut 1-2)"
+	SLOT="stable/${ABI_VER}"
+	MY_P="rustc-${PV}"
+	SRC="${MY_P}-src.tar.xz"
+	KEYWORDS="amd64 ~arm64 ~ppc64 x86"
+fi
+
+RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).0"
+
+DESCRIPTION="Systems programming language from Mozilla"
+HOMEPAGE="https://www.rust-lang.org/"
+
+SRC_URI="https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
+		$(rust_all_arch_uris rust-${RUST_STAGE0_VERSION})"
+
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
+	NVPTX PowerPC Sparc SystemZ WebAssembly X86 XCore )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/?}
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
+
+IUSE="clippy cpu_flags_x86_sse2 debug doc libressl rls rustfmt system-llvm wasm ${ALL_LLVM_TARGETS[*]}"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling one than more slot
+# simultaneously.
+
+# How to use it:
+# 1. List all the working slots (with min versions) in ||, newest first.
+# 2. Update the := to specify *max* version, e.g. < 9.
+# 3. Specify LLVM_MAX_SLOT, e.g. 8.
+LLVM_DEPEND="
+	|| (
+		sys-devel/llvm:8[llvm_targets_WebAssembly?]
+	)
+	<sys-devel/llvm-9:=
+"
+LLVM_MAX_SLOT=8
+
+COMMON_DEPEND="
+	sys-libs/zlib
+	!libressl? ( dev-libs/openssl:0= )
+	libressl? ( dev-libs/libressl:0= )
+	net-libs/libssh2
+	net-libs/http-parser:=
+	net-misc/curl[ssl]
+	system-llvm? (
+		${LLVM_DEPEND}
+	)
+"
+
+DEPEND="${COMMON_DEPEND}
+	${PYTHON_DEPS}
+	|| (
+		>=sys-devel/gcc-4.7
+		>=sys-devel/clang-3.5
+	)
+	dev-util/cmake"
+RDEPEND="${COMMON_DEPEND}
+	>=app-eselect/eselect-rust-20190311
+	!dev-util/cargo
+	rustfmt? ( !dev-util/rustfmt )"
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+	wasm? ( llvm_targets_WebAssembly )
+	x86? ( cpu_flags_x86_sse2 )
+"
+
+PATCHES=(
+	"${FILESDIR}"/0001-llvm-cmake-Add-additional-headers-only-if-they-exist.patch
+	"${FILESDIR}"/1.34.0-doc-build-fix.patch
+	"${FILESDIR}"/1.34.0-libressl.patch # bug 684224
+)
+
+S="${WORKDIR}/${MY_P}-src"
+
+toml_usex() {
+	usex "$1" true false
+}
+
+pre_build_checks() {
+	CHECKREQS_DISK_BUILD="7G"
+	eshopts_push -s extglob
+	if is-flagq '-g?(gdb)?([1-9])'; then
+		CHECKREQS_DISK_BUILD="10G"
+	fi
+	eshopts_pop
+	check-reqs_pkg_setup
+}
+
+pkg_pretend() {
+	pre_build_checks
+}
+
+pkg_setup() {
+	pre_build_checks
+	python-any-r1_pkg_setup
+	use system-llvm && llvm_pkg_setup
+}
+
+src_prepare() {
+	local rust_stage0_root="${WORKDIR}"/rust-stage0
+
+	local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
+
+	"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig --destdir="${rust_stage0_root}" --prefix=/ || die
+
+	# ugly hack for https://bugs.gentoo.org/679806
+	if use ppc64; then
+		sed -i 's/getentropy/gEtEnTrOpY/g' "${rust_stage0_root}"/bin/cargo || die
+		export OPENSSL_ppccap=0
+	fi
+
+	default
+}
+
+src_configure() {
+	local rust_target="" rust_targets="" arch_cflags
+
+	# Collect rust target names to compile standard libs for all ABIs.
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_targets="${rust_targets},\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
+	done
+	if use wasm; then
+		rust_targets="${rust_targets},\"wasm32-unknown-unknown\""
+	fi
+	rust_targets="${rust_targets#,}"
+
+	local extended="true" tools="\"cargo\","
+	if use clippy; then
+		tools="\"clippy\",$tools"
+	fi
+	if use rls; then
+		tools="\"rls\",\"analysis\",\"src\",$tools"
+	fi
+	if use rustfmt; then
+		tools="\"rustfmt\",$tools"
+	fi
+
+	local rust_stage0_root="${WORKDIR}"/rust-stage0
+
+	rust_target="$(rust_abi)"
+
+	cat <<- EOF > "${S}"/config.toml
+		[llvm]
+		optimize = $(toml_usex !debug)
+		release-debuginfo = $(toml_usex debug)
+		assertions = $(toml_usex debug)
+		targets = "${LLVM_TARGETS// /;}"
+		experimental-targets = ""
+		link-shared = $(toml_usex system-llvm)
+		[build]
+		build = "${rust_target}"
+		host = ["${rust_target}"]
+		target = [${rust_targets}]
+		cargo = "${rust_stage0_root}/bin/cargo"
+		rustc = "${rust_stage0_root}/bin/rustc"
+		docs = $(toml_usex doc)
+		submodules = false
+		python = "${EPYTHON}"
+		locked-deps = true
+		vendor = true
+		extended = ${extended}
+		tools = [${tools}]
+		[install]
+		prefix = "${EPREFIX}/usr"
+		libdir = "$(get_libdir)/${P}"
+		docdir = "share/doc/${P}"
+		mandir = "share/${P}/man"
+		[rust]
+		optimize = $(toml_usex !debug)
+		debuginfo = $(toml_usex debug)
+		debug-assertions = $(toml_usex debug)
+		default-linker = "$(tc-getCC)"
+		channel = "stable"
+		rpath = false
+		lld = $(toml_usex wasm)
+	EOF
+
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
+		arch_cflags="$(get_abi_CFLAGS ${v##*.})"
+
+		cat <<- EOF >> "${S}"/config.env
+			CFLAGS_${rust_target}=${arch_cflags}
+		EOF
+
+		cat <<- EOF >> "${S}"/config.toml
+			[target.${rust_target}]
+			cc = "$(tc-getBUILD_CC)"
+			cxx = "$(tc-getBUILD_CXX)"
+			linker = "$(tc-getCC)"
+			ar = "$(tc-getAR)"
+		EOF
+		if use system-llvm; then
+			cat <<- EOF >> "${S}"/config.toml
+				llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
+			EOF
+		fi
+	done
+
+	if use wasm; then
+		cat <<- EOF >> "${S}"/config.toml
+			[target.wasm32-unknown-unknown]
+			linker = "rust-lld"
+		EOF
+	fi
+}
+
+src_compile() {
+	env $(cat "${S}"/config.env)\
+		"${EPYTHON}" ./x.py build -v --config="${S}"/config.toml -j$(makeopts_jobs) \
+		--exclude src/tools/miri || die # https://github.com/rust-lang/rust/issues/52305
+}
+
+src_install() {
+	local rust_target abi_libdir
+
+	env DESTDIR="${D}" "${EPYTHON}" ./x.py install -v || die
+
+	mv "${ED}/usr/bin/rustc" "${ED}/usr/bin/rustc-${PV}" || die
+	mv "${ED}/usr/bin/rustdoc" "${ED}/usr/bin/rustdoc-${PV}" || die
+	mv "${ED}/usr/bin/rust-gdb" "${ED}/usr/bin/rust-gdb-${PV}" || die
+	mv "${ED}/usr/bin/rust-gdbgui" "${ED}/usr/bin/rust-gdbgui-${PV}" || die
+	mv "${ED}/usr/bin/rust-lldb" "${ED}/usr/bin/rust-lldb-${PV}" || die
+	mv "${ED}/usr/bin/cargo" "${ED}/usr/bin/cargo-${PV}" || die
+	if use clippy; then
+		mv "${ED}/usr/bin/clippy-driver" "${ED}/usr/bin/clippy-driver-${PV}" || die
+		mv "${ED}/usr/bin/cargo-clippy" "${ED}/usr/bin/cargo-clippy-${PV}" || die
+	fi
+	if use rls; then
+		mv "${ED}/usr/bin/rls" "${ED}/usr/bin/rls-${PV}" || die
+	fi
+	if use rustfmt; then
+		mv "${ED}/usr/bin/rustfmt" "${ED}/usr/bin/rustfmt-${PV}" || die
+		mv "${ED}/usr/bin/cargo-fmt" "${ED}/usr/bin/cargo-fmt-${PV}" || die
+	fi
+
+	# Copy shared library versions of standard libraries for all targets
+	# into the system's abi-dependent lib directories because the rust
+	# installer only does so for the native ABI.
+	for v in $(multilib_get_enabled_abi_pairs); do
+		if [ ${v##*.} = ${DEFAULT_ABI} ]; then
+			continue
+		fi
+		abi_libdir=$(get_abi_LIBDIR ${v##*.})
+		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
+		mkdir -p "${ED}/usr/${abi_libdir}"
+		cp "${ED}/usr/$(get_libdir)/${P}/rustlib/${rust_target}/lib"/*.so \
+		   "${ED}/usr/${abi_libdir}" || die
+	done
+
+	dodoc COPYRIGHT
+
+	# FIXME:
+	# Really not sure if that env is needed, specailly LDPATH
+	cat <<-EOF > "${T}"/50${P}
+		LDPATH="${EPREFIX}/usr/$(get_libdir)/${P}"
+		MANPATH="${EPREFIX}/usr/share/${P}/man"
+	EOF
+	doenvd "${T}"/50${P}
+
+	# note: eselect-rust adds EROOT to all paths below
+	cat <<-EOF > "${T}/provider-${P}"
+		/usr/bin/rustdoc
+		/usr/bin/rust-gdb
+		/usr/bin/rust-gdbgui
+		/usr/bin/rust-lldb
+	EOF
+	echo /usr/bin/cargo >> "${T}/provider-${P}"
+	if use clippy; then
+		echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
+	fi
+	if use rls; then
+		echo /usr/bin/rls >> "${T}/provider-${P}"
+	fi
+	if use rustfmt; then
+		echo /usr/bin/rustfmt >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
+	fi
+	dodir /etc/env.d/rust
+	insinto /etc/env.d/rust
+	doins "${T}/provider-${P}"
+}
+
+pkg_postinst() {
+	eselect rust update --if-unset
+
+	elog "Rust installs a helper script for calling GDB and LLDB,"
+	elog "for your convenience it is installed under /usr/bin/rust-{gdb,lldb}-${PV}."
+
+	ewarn "cargo is now installed from dev-lang/rust{,-bin} instead of dev-util/cargo."
+	ewarn "This might have resulted in a dangling symlink for /usr/bin/cargo on some"
+	ewarn "systems. This can be resolved by calling 'sudo eselect rust set ${P}'."
+
+	if has_version app-editors/emacs || has_version app-editors/emacs-vcs; then
+		elog "install app-emacs/rust-mode to get emacs support for rust."
+	fi
+
+	if has_version app-editors/gvim || has_version app-editors/vim; then
+		elog "install app-vim/rust-vim to get vim support for rust."
+	fi
+
+	if has_version 'app-shells/zsh'; then
+		elog "install app-shells/rust-zshcomp to get zsh completion for rust."
+	fi
+}
+
+pkg_postrm() {
+	eselect rust unset --if-invalid
+}
-- 
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