From cae918679262d3901281e2a6c5867fb6e2437645 Mon Sep 17 00:00:00 2001
From: Georgy Yakovlev <gyakovlev@gentoo.org>
Date: Mon, 15 Apr 2019 11:33:34 -0700
Subject: dev-lang/rust: avoid rust-gdbgui slot collision

Closes: https://bugs.gentoo.org/683392

Package-Manager: Portage-2.3.62, Repoman-2.3.12
Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>
---
 dev-lang/rust/rust-1.34.0-r1.ebuild | 327 -----------------------------------
 dev-lang/rust/rust-1.34.0-r2.ebuild | 329 ++++++++++++++++++++++++++++++++++++
 2 files changed, 329 insertions(+), 327 deletions(-)
 delete mode 100644 dev-lang/rust/rust-1.34.0-r1.ebuild
 create mode 100644 dev-lang/rust/rust-1.34.0-r2.ebuild

(limited to 'dev-lang')

diff --git a/dev-lang/rust/rust-1.34.0-r1.ebuild b/dev-lang/rust/rust-1.34.0-r1.ebuild
deleted file mode 100644
index fd69e01c52bb..000000000000
--- a/dev-lang/rust/rust-1.34.0-r1.ebuild
+++ /dev/null
@@ -1,327 +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
-	"${FILESDIR}"/1.34.0-doc-build-fix.patch
-)
-
-S="${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 "${ED}/usr/bin/rust-lldb" "${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-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-1.34.0-r2.ebuild b/dev-lang/rust/rust-1.34.0-r2.ebuild
new file mode 100644
index 000000000000..ed2af7339e38
--- /dev/null
+++ b/dev-lang/rust/rust-1.34.0-r2.ebuild
@@ -0,0 +1,329 @@
+# 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
+	"${FILESDIR}"/1.34.0-doc-build-fix.patch
+)
+
+S="${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
+}
-- 
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