From bb1d7c7cdda622f97581f62189c355170f1720fe Mon Sep 17 00:00:00 2001
From: V3n3RiX <venerix@redcorelinux.org>
Date: Sat, 27 Oct 2018 13:44:37 +0100
Subject: dev-lang/rust : version bump

---
 dev-lang/rust/Manifest                          |  12 +-
 dev-lang/rust/files/1.29.2-clippy-sysroot.patch |  62 ++++++
 dev-lang/rust/rust-1.29.1-r1337.ebuild          | 268 ------------------------
 dev-lang/rust/rust-1.29.2-r1337.ebuild          | 260 +++++++++++++++++++++++
 4 files changed, 333 insertions(+), 269 deletions(-)
 create mode 100644 dev-lang/rust/files/1.29.2-clippy-sysroot.patch
 delete mode 100644 dev-lang/rust/rust-1.29.1-r1337.ebuild
 create mode 100644 dev-lang/rust/rust-1.29.2-r1337.ebuild

diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index 2cb3a292..3c08cc1d 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -1,4 +1,14 @@
 DIST rust-1.28.0-aarch64-unknown-linux-gnu.tar.xz 98937652 BLAKE2B 836d3dd4e583fa50dd317c3bea56257e6ea19defdb38c16be6debb2854e147c8a92c4832263e4ac314136022a176526fe7d3774a3c5a84cd8d364cd2a1532860 SHA512 8d9acbc90ddaa1e0de0234a21798b19b5365ea371a12f9a143c6ebacbb48f57344da6e827e867513be502bce2801de27a0dbbacdf8618c653aeb58026b6c469c
+DIST rust-1.28.0-arm-unknown-linux-gnueabi.tar.xz 104676648 BLAKE2B b26b23c3605e6584c51e0e914dbb3be60996e079e52ff2d4850ed43c1f1f7cd5ac575b40dbe852f927d36654f5ab7e384548f3a92b3466bfbb1cda7f9f069bcb SHA512 a1eaf1d7826ebfe222d233cabd8b88073ca2c8dd42a0b870e324dfc63e7290308418222c56802bc421c9bda119dc7c5f3e225ff33cacad5776b79cbcc1a877b2
+DIST rust-1.28.0-arm-unknown-linux-gnueabihf.tar.xz 104992084 BLAKE2B df97766d7abf73f668a2936834bc0f35739289eeeb5395276a2fdfd5b6c0baee3ba1eee1099f19d4f4f1cbd1a33cf62ad888dd3d1856b613ac853c6a17650741 SHA512 3b58b83f38bf8d8e841ae6614d72bb6e6faf75fb7c19abc5451548b0e6de0ef3b64dfbc70481a1e40f74074bfad701aa7a58296b4a0d07957a418bd3cd769917
+DIST rust-1.28.0-armv7-unknown-linux-gnueabihf.tar.xz 105144132 BLAKE2B d9e0791c7dc77ade26d383a5c57117a2b7b50c6a523b31fbf604c0b779c966c5055554f85c718353f2e581bfe8a228369671a8b731f808bc0133ad3fad61f853 SHA512 9142110e0c24657aca41468648d9364c2e6fce60b08ca7113c944a53701fc5a309481a8fdd5845b229bcc750ccad63af561d452c3a3a0727ab1ca7a461b06d3d
 DIST rust-1.28.0-i686-unknown-linux-gnu.tar.xz 136925948 BLAKE2B 85d9239533920c3f16d7c61bada0caeabceceade29032b70bb4562bfd04fa0158cdd85b8a0a1119506416fa5916ade8a0466bf6c10da457299a6319aa25f9dd6 SHA512 ffdfab46db14f07354b553e02fdb9dc6602c2c52b78d8f17c499f4ddb1e257aa53479df836eb3f06a2548d34296b0277cdb6b4c6f3cec57265823df22752c135
+DIST rust-1.28.0-mips-unknown-linux-gnu.tar.xz 102116424 BLAKE2B 72c7cfa9157c0d7fb6a9dc0698322e5285bc2ef9f914a1be5063c8aeaed8a7d29bbcd71090aa5f09ec5229e38ac08e6883119f03af42ffa794cadf227450049d SHA512 0d2e2785178e235b0effd2a7251e9004c87c21e158c2e6f122eeb10942ce2545e5d67d7ff040b7c277627cc402321fff5ad5186a41f2de581f46633adb1894bf
+DIST rust-1.28.0-mips64-unknown-linux-gnuabi64.tar.xz 101617356 BLAKE2B eb0cc524e40cdf20ec16b72418cae9ea03ce946006412153a7c0a173f27a3f8e193a41685295be9917b10ca39565be57b6d3f7c7a7122cbee088a5652081dda1 SHA512 0d7bfafa1340de97efab8db3100d5462afde94e8e54d6543e229d9240aca5a69d469a3e5ac750527d5e40dad11286b40d6be22812655721a0b8bf3ecba485ad6
+DIST rust-1.28.0-mipsel-unknown-linux-gnu.tar.xz 103574324 BLAKE2B 671e8ee0de674e37c8156825603e3cea659c0ad016698c8f208a78afe18cf0411dc953cf683d297079e3eaedddad540dbfa1821950585fb5ffcf74267f0ebcdd SHA512 40233beb18c937f7293a8191d6a9d98c5628b0709ef808e48fac4db10ce0af91cb8d6bec9056dae00149e8e0b1613b1c66960e23302bc0b66b50fbb0994cb018
+DIST rust-1.28.0-powerpc-unknown-linux-gnu.tar.xz 100580084 BLAKE2B 2487976f495e78d8cc8129d81e1eb29cc86d7c523133d9ea42e6425f7607fea74c8a848877e926c53c2dd9599a0c3bede46109e96c3851fd7726b251442fca6c SHA512 450aa028644fc73cf8dadccfabc1a66c360880300479df9c0041f773b3f6b6072afb9aee0221fe51abd4194b86f8cc8b7f14c788b3792858a44bfc8c83bcc03d
+DIST rust-1.28.0-powerpc64-unknown-linux-gnu.tar.xz 105788856 BLAKE2B 828082612561ddd186472472e11e1afb9bc24a3332ff5f82a9924fc950b29655e892c974a88ce6c0b04c34a9c7d13856a8629027069808234ffb1e3cfb788e01 SHA512 1bd2c5069beecb765a2305715070e4052d5a66dafe50a5b53bea2c2082b22b3f9a2d2b9fb059c93476f88ee5e602effc18b807e5c964610e8255a3a945931f51
+DIST rust-1.28.0-powerpc64le-unknown-linux-gnu.tar.xz 105822856 BLAKE2B 0cf534a55efff99daf700127fc7bc7b82b93054d054fbf8479a8b247b41381fd82f8672ac12f3e3f53566d816964d83069593817d1932b33902f83994f1bdc33 SHA512 bdbdf3a64a184dd4510a113bbe20c058f42e35321cd2fb7c938487dfc9b1f04320b523ea215dd92a23c2537292eeb064097119e2097d6e24a1c4e237d9d4fc8b
+DIST rust-1.28.0-s390x-unknown-linux-gnu.tar.xz 98839840 BLAKE2B bbff015b3d2daf1443781cccb80527cf8c7f86a01ed928b49cc7e87e17f8c6354f6a47dd2356ff75357e09f7f79ec85812bd8458aee9455800fdf88761243e94 SHA512 5ffb44d16c990b8a6377b64e5042a3b2e709bcc7187013dbe4ab3c9d8cd781b6bf07b0d374340e2ccabe9f84fd4731b606cb05a10a739ebcfa49652518a2aa46
 DIST rust-1.28.0-x86_64-unknown-linux-gnu.tar.xz 134120432 BLAKE2B 56fb79a98659d9c8e56b8eef87dea3302ee5901bc4507d1c204628370b20cf34b2875c9586faa0acc2bc2b1a5beedeb9b5ba199cfb85d52f268f084a02f04f27 SHA512 4f427c11a9cd22aedd01bd7ed5bee2ba5e00a27db25af4f596cf8627d88eff8e72625eb83729d2e6c6780aaffd44c0e7065a1c8fa22f4899349b72c726cf6a5f
-DIST rustc-1.29.1-src.tar.xz 61937676 BLAKE2B 6a60249538e1ec62471f4d0e3fc31c0a648433aa6f85ca7341657ea07772e338eb92a629941685808f4b80e84cb025d78aee9d0d6fa71c6635a1647c61bca9bc SHA512 1ded651b4c460e11e5e44c26de88a80fb13c2000097de2ee1e5af89638e12a7e8f43dd756689d4cc4fad45c52d4d43a3c70dd6a3ae550735b9dad5f8defea6a7
+DIST rustc-1.29.2-src.tar.xz 61888912 BLAKE2B f59b0bf45caa6f6136f92ffbaa612bbc6a340c8694ec69d75aadace9180c36753f985641915524388b52cc108f8f5b71840ee3a6c0b1fcff6decb61d2d8a161e SHA512 d8fa9501764348ace8f60f2069bcd016925abe56c8bbc2b87fb52ff796e4bc7284c1fccbb1671416437bb82fde7d9240eeae875d6099914e27e75cfe050e2d38
diff --git a/dev-lang/rust/files/1.29.2-clippy-sysroot.patch b/dev-lang/rust/files/1.29.2-clippy-sysroot.patch
new file mode 100644
index 00000000..6a527e5a
--- /dev/null
+++ b/dev-lang/rust/files/1.29.2-clippy-sysroot.patch
@@ -0,0 +1,62 @@
+--- a/src/tools/clippy/src/driver.rs	2018-10-04 16:30:42.438486058 +0300
++++ b/src/tools/clippy/src/driver.rs	2018-10-04 16:31:45.044484028 +0300
+@@ -20,54 +20,22 @@
+         return;
+     }
+ 
+-    let sys_root = option_env!("SYSROOT")
+-        .map(String::from)
+-        .or_else(|| std::env::var("SYSROOT").ok())
+-        .or_else(|| {
+-            let home = option_env!("RUSTUP_HOME").or(option_env!("MULTIRUST_HOME"));
+-            let toolchain = option_env!("RUSTUP_TOOLCHAIN").or(option_env!("MULTIRUST_TOOLCHAIN"));
+-            home.and_then(|home| toolchain.map(|toolchain| format!("{}/toolchains/{}", home, toolchain)))
+-        })
+-        .or_else(|| {
+-            Command::new("rustc")
+-                .arg("--print")
+-                .arg("sysroot")
+-                .output()
+-                .ok()
+-                .and_then(|out| String::from_utf8(out.stdout).ok())
+-                .map(|s| s.trim().to_owned())
+-        })
+-        .expect("need to specify SYSROOT env var during clippy compilation, or use rustup or multirust");
+-
+     // Setting RUSTC_WRAPPER causes Cargo to pass 'rustc' as the first argument.
+     // We're invoking the compiler programmatically, so we ignore this/
+-    let mut orig_args: Vec<String> = env::args().collect();
+-    if orig_args.len() <= 1 {
++    let mut args: Vec<String> = env::args().collect();
++    if args.len() <= 1 {
+         std::process::exit(1);
+     }
+-    if orig_args[1] == "rustc" {
++    if args[1] == "rustc" {
+         // we still want to be able to invoke it normally though
+-        orig_args.remove(1);
++        args.remove(1);
+     }
+-    // this conditional check for the --sysroot flag is there so users can call
+-    // `clippy_driver` directly
+-    // without having to pass --sysroot or anything
+-    let mut args: Vec<String> = if orig_args.iter().any(|s| s == "--sysroot") {
+-        orig_args.clone()
+-    } else {
+-        orig_args
+-            .clone()
+-            .into_iter()
+-            .chain(Some("--sysroot".to_owned()))
+-            .chain(Some(sys_root))
+-            .collect()
+-    };
+ 
+     // this check ensures that dependencies are built but not linted and the final
+     // crate is
+     // linted but not built
+     let clippy_enabled = env::var("CLIPPY_TESTS").ok().map_or(false, |val| val == "true")
+-        || orig_args.iter().any(|s| s == "--emit=dep-info,metadata");
++        || args.iter().any(|s| s == "--emit=dep-info,metadata");
+ 
+     if clippy_enabled {
+         args.extend_from_slice(&["--cfg".to_owned(), r#"feature="cargo-clippy""#.to_owned()]);
diff --git a/dev-lang/rust/rust-1.29.1-r1337.ebuild b/dev-lang/rust/rust-1.29.1-r1337.ebuild
deleted file mode 100644
index be9e849e..00000000
--- a/dev-lang/rust/rust-1.29.1-r1337.ebuild
+++ /dev/null
@@ -1,268 +0,0 @@
-# Copyright 1999-2018 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-PYTHON_COMPAT=( python2_7 python3_{5,6} pypy )
-
-inherit multiprocessing multilib-build python-any-r1 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="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
-else
-	SLOT="stable/1.29"
-	MY_P="rustc-${PV}"
-	SRC="${MY_P}-src.tar.xz"
-	KEYWORDS="amd64 ~arm64 x86"
-fi
-
-CHOST_amd64=x86_64-unknown-linux-gnu
-CHOST_x86=i686-unknown-linux-gnu
-CHOST_arm64=aarch64-unknown-linux-gnu
-
-RUST_STAGE0_VERSION="1.28.0"
-RUST_STAGE0_amd64="rust-${RUST_STAGE0_VERSION}-${CHOST_amd64}"
-RUST_STAGE0_x86="rust-${RUST_STAGE0_VERSION}-${CHOST_x86}"
-RUST_STAGE0_arm64="rust-${RUST_STAGE0_VERSION}-${CHOST_arm64}"
-
-CARGO_DEPEND_VERSION="0.30.0"
-
-DESCRIPTION="Systems programming language from Mozilla"
-HOMEPAGE="https://www.rust-lang.org/"
-
-SRC_URI="https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
-	amd64? ( https://static.rust-lang.org/dist/${RUST_STAGE0_amd64}.tar.xz )
-	x86? ( https://static.rust-lang.org/dist/${RUST_STAGE0_x86}.tar.xz )
-	arm64? ( https://static.rust-lang.org/dist/${RUST_STAGE0_arm64}.tar.xz )
-"
-
-ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
-	NVPTX PowerPC Sparc SystemZ 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="cargo clippy cpu_flags_x86_sse2 debug doc +jemalloc libressl rls rustfmt wasm ${ALL_LLVM_TARGETS[*]}"
-
-RDEPEND=">=app-eselect/eselect-rust-0.3_pre20150425
-		jemalloc? ( dev-libs/jemalloc )
-		cargo? (
-			sys-libs/zlib
-			!libressl? ( dev-libs/openssl:0= )
-			libressl? ( dev-libs/libressl:0= )
-			net-libs/libssh2
-			net-libs/http-parser:=
-			net-misc/curl[ssl]
-		)"
-DEPEND="${RDEPEND}
-	${PYTHON_DEPS}
-	|| (
-		>=sys-devel/gcc-4.7
-		>=sys-devel/clang-3.5
-	)
-	cargo? ( !dev-util/cargo )
-	rustfmt? ( !dev-util/rustfmt )
-	dev-util/cmake
-"
-PDEPEND="!cargo? ( >=dev-util/cargo-${CARGO_DEPEND_VERSION} )"
-
-REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
-				x86? ( cpu_flags_x86_sse2 )"
-
-S="${WORKDIR}/${MY_P}-src"
-
-toml_usex() {
-	usex "$1" true false
-}
-
-src_prepare() {
-	local rust_stage0_root="${WORKDIR}"/rust-stage0
-
-	local rust_stage0_name="RUST_STAGE0_${ARCH}"
-	local rust_stage0="${!rust_stage0_name}"
-
-	"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig --destdir="${rust_stage0_root}" --prefix=/ || die
-
-	default
-}
-
-src_configure() {
-	local rust_target="" rust_targets="" rust_target_name arch_cflags
-
-	# Collect rust target names to compile standard libs for all ABIs.
-	for v in $(multilib_get_enabled_abi_pairs); do
-		rust_target_name="CHOST_${v##*.}"
-		rust_targets="${rust_targets},\"${!rust_target_name}\""
-	done
-	if use wasm; then
-		rust_targets="${rust_targets},\"wasm32-unknown-unknown\""
-	fi
-	rust_targets="${rust_targets#,}"
-
-	local extended="false" tools=""
-	if use cargo; then
-		extended="true"
-		tools="\"cargo\","
-	fi
-	if use clippy; then
-		extended="true"
-		tools="\"clippy\",$tools"
-	fi
-	if use rls; then
-		extended="true"
-		tools="\"rls\",\"analysis\",\"src\",$tools"
-	fi
-	if use rustfmt; then
-		extended="true"
-		tools="\"rustfmt\",$tools"
-	fi
-
-	local rust_stage0_root="${WORKDIR}"/rust-stage0
-
-	rust_target_name="CHOST_${ARCH}"
-	rust_target="${!rust_target_name}"
-
-	cat <<- EOF > "${S}"/config.toml
-		[llvm]
-		optimize = $(toml_usex !debug)
-		release-debuginfo = $(toml_usex debug)
-		assertions = $(toml_usex debug)
-		targets = "${LLVM_TARGETS// /;}"
-		[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)"
-		docdir = "share/doc/${P}"
-		mandir = "share/${P}/man"
-		[rust]
-		optimize = $(toml_usex !debug)
-		debuginfo = $(toml_usex debug)
-		debug-assertions = $(toml_usex debug)
-		use-jemalloc = $(toml_usex jemalloc)
-		default-linker = "$(tc-getCC)"
-		channel = "stable"
-		rpath = false
-		lld = $(toml_usex wasm)
-	EOF
-
-	for v in $(multilib_get_enabled_abi_pairs); do
-		rust_target=$(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
-	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)\
-		"${EPYTHON}" ./x.py build --config="${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}" "${EPYTHON}" ./x.py install || die
-
-	mv "${D}/usr/bin/rustc" "${D}/usr/bin/rustc-${PV}" || die
-	mv "${D}/usr/bin/rustdoc" "${D}/usr/bin/rustdoc-${PV}" || die
-	mv "${D}/usr/bin/rust-gdb" "${D}/usr/bin/rust-gdb-${PV}" || die
-	mv "${D}/usr/bin/rust-lldb" "${D}/usr/bin/rust-lldb-${PV}" || die
-
-	# Redcore Linux (install unversioned binaries as well)
-	cp "${D}/usr/bin/rustc-${PV}" "${D}/usr/bin/rustc" || die
-	cp "${D}/usr/bin/rustdoc-${PV}" "${D}/usr/bin/rustdoc" || die
-	cp "${D}/usr/bin/rust-gdb-${PV}" "${D}/usr/bin/rust-gdb" || die
-	cp "${D}/usr/bin/rust-lldb-${PV}" "${D}/usr/bin/rust-lldb" || die
-
-	if use cargo; then
-		mv "${D}/usr/bin/cargo" "${D}/usr/bin/cargo-${PV}" || die
-		# Redcore Linux (install unversioned binaries as well)
-		cp "${D}/usr/bin/cargo-${PV}" "${D}/usr/bin/cargo" || die
-	fi
-	if use clippy; then
-		mv "${D}/usr/bin/clippy-driver" "${D}/usr/bin/clippy-driver-${PV}" || die
-		mv "${D}/usr/bin/cargo-clippy" "${D}/usr/bin/cargo-clippy-${PV}" || die
-		# Redcore Linux (install unversioned binaries as well)
-		cp "${D}/usr/bin/clippy-driver-${PV}" "${D}/usr/bin/clippy-driver" || die
-		cp "${D}/usr/bin/cargo-clippy-${PV}" "${D}/usr/bin/cargo-clippy" || die
-	fi
-	if use rls; then
-		mv "${D}/usr/bin/rls" "${D}/usr/bin/rls-${PV}" || die
-		# Redcore Linux (install unversioned binaries as well)
-		cp "${D}/usr/bin/rls-${PV}" "${D}/usr/bin/rls" || die
-	fi
-	if use rustfmt; then
-		mv "${D}/usr/bin/rustfmt" "${D}/usr/bin/rustfmt-${PV}" || die
-		mv "${D}/usr/bin/cargo-fmt" "${D}/usr/bin/cargo-fmt-${PV}" || die
-		# Redcore Linux (install unversioned binaries as well)
-		cp "${D}/usr/bin/rustfmt-${PV}" "${D}/usr/bin/rustfmt" || die
-		cp "${D}/usr/bin/cargo-fmt-${PV}" "${D}/usr/bin/cargo-fmt" || 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 ${v##*.})
-		rust_target=$(get_abi_CHOST ${v##*.})
-		mkdir -p "${D}/usr/${abi_libdir}"
-		cp "${D}/usr/$(get_libdir)/rustlib/${rust_target}/lib"/*.so \
-		   "${D}/usr/${abi_libdir}" || die
-	done
-
-	dodoc COPYRIGHT
-
-	# FIXME:
-	# Really not sure if that env is needed, specailly LDPATH
-	cat <<-EOF > "${T}"/50${P}
-		LDPATH="/usr/$(get_libdir)/${P}"
-		MANPATH="/usr/share/${P}/man"
-	EOF
-	doenvd "${T}"/50${P}
-}
-
-pkg_postinst() {
-	eselect rust update --if-unset
-}
-
-pkg_postrm() {
-	eselect rust unset --if-invalid
-}
diff --git a/dev-lang/rust/rust-1.29.2-r1337.ebuild b/dev-lang/rust/rust-1.29.2-r1337.ebuild
new file mode 100644
index 00000000..345e3bb4
--- /dev/null
+++ b/dev-lang/rust/rust-1.29.2-r1337.ebuild
@@ -0,0 +1,260 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 python3_{5,6} pypy )
+
+inherit multiprocessing multilib-build python-any-r1 rust-toolchain toolchain-funcs
+
+SLOT="stable/1.29"
+MY_P="rustc-${PV}"
+SRC="${MY_P}-src.tar.xz"
+KEYWORDS="~amd64"
+
+CHOST_amd64=x86_64-unknown-linux-gnu
+CHOST_x86=i686-unknown-linux-gnu
+CHOST_arm64=aarch64-unknown-linux-gnu
+
+RUST_STAGE0_VERSION="1.28.0"
+RUST_STAGE0_amd64="rust-${RUST_STAGE0_VERSION}-${CHOST_amd64}"
+RUST_STAGE0_x86="rust-${RUST_STAGE0_VERSION}-${CHOST_x86}"
+RUST_STAGE0_arm64="rust-${RUST_STAGE0_VERSION}-${CHOST_arm64}"
+
+CARGO_DEPEND_VERSION="0.30.0"
+
+DESCRIPTION="Systems programming language from Mozilla"
+HOMEPAGE="https://www.rust-lang.org/"
+
+SRC_URI="https://static.rust-lang.org/dist/${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 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="cargo clippy cpu_flags_x86_sse2 debug doc +jemalloc libressl rls rustfmt wasm ${ALL_LLVM_TARGETS[*]}"
+
+RDEPEND=">=app-eselect/eselect-rust-0.3_pre20150425
+		jemalloc? ( dev-libs/jemalloc )
+		cargo? (
+			sys-libs/zlib
+			!libressl? ( dev-libs/openssl:0= )
+			libressl? ( dev-libs/libressl:0= )
+			net-libs/libssh2
+			net-libs/http-parser:=
+			net-misc/curl[ssl]
+		)"
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	|| (
+		>=sys-devel/gcc-4.7
+		>=sys-devel/clang-3.5
+	)
+	cargo? ( !dev-util/cargo )
+	rustfmt? ( !dev-util/rustfmt )
+	dev-util/cmake
+"
+PDEPEND="!cargo? ( >=dev-util/cargo-${CARGO_DEPEND_VERSION} )"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+				x86? ( cpu_flags_x86_sse2 )"
+
+S="${WORKDIR}/${MY_P}-src"
+
+PATCHES=( "${FILESDIR}"/${PV}-clippy-sysroot.patch )
+
+toml_usex() {
+	usex "$1" true false
+}
+
+src_prepare() {
+	local rust_stage0_root="${WORKDIR}"/rust-stage0
+
+	local rust_stage0_name="RUST_STAGE0_${ARCH}"
+	local rust_stage0="${!rust_stage0_name}"
+
+	"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig --destdir="${rust_stage0_root}" --prefix=/ || die
+
+	default
+}
+
+src_configure() {
+	local rust_target="" rust_targets="" rust_target_name arch_cflags
+
+	# Collect rust target names to compile standard libs for all ABIs.
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_target_name="CHOST_${v##*.}"
+		rust_targets="${rust_targets},\"${!rust_target_name}\""
+	done
+	if use wasm; then
+		rust_targets="${rust_targets},\"wasm32-unknown-unknown\""
+	fi
+	rust_targets="${rust_targets#,}"
+
+	local extended="false" tools=""
+	if use cargo; then
+		extended="true"
+		tools="\"cargo\","
+	fi
+	if use clippy; then
+		extended="true"
+		tools="\"clippy\",$tools"
+	fi
+	if use rls; then
+		extended="true"
+		tools="\"rls\",\"analysis\",\"src\",$tools"
+	fi
+	if use rustfmt; then
+		extended="true"
+		tools="\"rustfmt\",$tools"
+	fi
+
+	local rust_stage0_root="${WORKDIR}"/rust-stage0
+
+	rust_target_name="CHOST_${ARCH}"
+	rust_target="$(rust_abi)"
+
+	cat <<- EOF > "${S}"/config.toml
+		[llvm]
+		optimize = $(toml_usex !debug)
+		release-debuginfo = $(toml_usex debug)
+		assertions = $(toml_usex debug)
+		targets = "${LLVM_TARGETS// /;}"
+		[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)
+		use-jemalloc = $(toml_usex jemalloc)
+		default-linker = "$(tc-getCC)"
+		channel = "stable"
+		rpath = false
+		lld = $(toml_usex wasm)
+	EOF
+
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_target=$(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
+	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)\
+		"${EPYTHON}" ./x.py build --config="${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}" "${EPYTHON}" ./x.py install || die
+
+	mv "${D}/usr/bin/rustc" "${D}/usr/bin/rustc-${PV}" || die
+	mv "${D}/usr/bin/rustdoc" "${D}/usr/bin/rustdoc-${PV}" || die
+	mv "${D}/usr/bin/rust-gdb" "${D}/usr/bin/rust-gdb-${PV}" || die
+	mv "${D}/usr/bin/rust-lldb" "${D}/usr/bin/rust-lldb-${PV}" || die
+
+
+	# Redcore Linux (install unversioned binaries as well)
+	cp "${D}/usr/bin/rustc-${PV}" "${D}/usr/bin/rustc" || die
+	cp "${D}/usr/bin/rustdoc-${PV}" "${D}/usr/bin/rustdoc" || die
+	cp "${D}/usr/bin/rust-gdb-${PV}" "${D}/usr/bin/rust-gdb" || die
+	cp "${D}/usr/bin/rust-lldb-${PV}" "${D}/usr/bin/rust-lldb" || die
+
+	if use cargo; then
+		mv "${D}/usr/bin/cargo" "${D}/usr/bin/cargo-${PV}" || die
+		# Redcore Linux (install unversioned binaries as well)
+		cp "${D}/usr/bin/cargo-${PV}" "${D}/usr/bin/cargo" || die
+	fi
+	if use clippy; then
+		mv "${D}/usr/bin/clippy-driver" "${D}/usr/bin/clippy-driver-${PV}" || die
+		mv "${D}/usr/bin/cargo-clippy" "${D}/usr/bin/cargo-clippy-${PV}" || die
+		# Redcore Linux (install unversioned binaries as well)
+		cp "${D}/usr/bin/clippy-driver-${PV}" "${D}/usr/bin/clippy-driver" || die
+		cp "${D}/usr/bin/cargo-clippy-${PV}" "${D}/usr/bin/cargo-clippy" || die
+	fi
+	if use rls; then
+		mv "${D}/usr/bin/rls" "${D}/usr/bin/rls-${PV}" || die
+		# Redcore Linux (install unversioned binaries as well)
+		cp "${D}/usr/bin/rls-${PV}" "${D}/usr/bin/rls" || die
+	fi
+	if use rustfmt; then
+		mv "${D}/usr/bin/rustfmt" "${D}/usr/bin/rustfmt-${PV}" || die
+		mv "${D}/usr/bin/cargo-fmt" "${D}/usr/bin/cargo-fmt-${PV}" || die
+		# Redcore Linux (install unversioned binaries as well)
+		cp "${D}/usr/bin/rustfmt-${PV}" "${D}/usr/bin/rustfmt" || die
+		cp "${D}/usr/bin/cargo-fmt-${PV}" "${D}/usr/bin/cargo-fmt" || 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 ${v##*.})
+		rust_target=$(get_abi_CHOST ${v##*.})
+		mkdir -p "${D}/usr/${abi_libdir}"
+		cp "${D}/usr/$(get_libdir)/${P}/rustlib/${rust_target}/lib"/*.so \
+		   "${D}/usr/${abi_libdir}" || die
+	done
+
+	dodoc COPYRIGHT
+
+	# FIXME:
+	# Really not sure if that env is needed, specailly LDPATH
+	cat <<-EOF > "${T}"/50${P}
+		LDPATH="/usr/$(get_libdir)/${P}"
+		MANPATH="/usr/share/${P}/man"
+	EOF
+	doenvd "${T}"/50${P}
+}
+
+pkg_postinst() {
+	eselect rust update --if-unset
+}
+
+pkg_postrm() {
+	eselect rust unset --if-invalid
+}
-- 
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