commit: 96b4233894e8d025526df0fd1bb193e98cb6417f
Author: Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
AuthorDate: Wed Apr 5 22:03:10 2023 +0000
Commit: Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
CommitDate: Wed Apr 5 23:30:43 2023 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=96b42338
dev-lang/rust: add 1.68.2
Signed-off-by: Georgy Yakovlev <gyakovlev <AT> gentoo.org>
dev-lang/rust/Manifest | 2 +
dev-lang/rust/rust-1.68.2.ebuild | 741 +++++++++++++++++++++++++++++++++++++++
2 files changed, 743 insertions(+)
diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index 01d1ce538494..67f681f8cb1b 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -134,3 +134,5 @@ DIST rustc-1.67.1-src.tar.xz 142758844 BLAKE2B
55b2a98592b1a2e465b7fb224607cbcb2
DIST rustc-1.67.1-src.tar.xz.asc 801 BLAKE2B
eb507c6f53c592921eb31cccb17c9d6027c67fb1311726f2d25fe7d1f8a1aa051efb99d7207a5e4477df0b75898783437e653fa041ed7daa27e7a7c4263ec230
SHA512
6c962f680d74251b55f77a43d6e383be53bacff8428e0d003bda207de1fea7f716b88f16686d22a88d99518a4834bf299731855fb030477a995d5e1f3d0024f4
DIST rustc-1.68.1-src.tar.xz 147834548 BLAKE2B
98e02c1ff3ed37cd52d1f348331ffe007583f078fbd1bc581eb32a098eee816f301cd833ecf9f806b8e0c673aa963b34d2e357c089bdb59a8a7464ab46b18307
SHA512
cf3921bc260db54b0f3afc0e6bc9fe8d560ddb81de5d2d4496746307d42a8010291f119d0cfc463996efce6ef829a0494b4eb6145e21c94fd113ff51ee010e21
DIST rustc-1.68.1-src.tar.xz.asc 801 BLAKE2B
5e0a2d95360fb5d8bed9e759111db225315b93d3042af19bb9fc9f239cabf9f32b85f2e616913ff3ce5fc8111deeb972bc184584ca473216b7a5320a255304a6
SHA512
5330405c09077070a63c04fc1c7059219d046fbaa24997861365199e48da98be4fe2a04fdc5c54a03166097bde58b4e51bdc8296ca89974d2dcec1da279bdab2
+DIST rustc-1.68.2-src.tar.xz 147835648 BLAKE2B
4b6deab818d915afe67a96f4d32a758c15a832041a77d9da5d065a903ea2718e0e7ebbc0cd1baaa436b655bdb93a62e0fb76f9e37aed595c064e0857201bb091
SHA512
8b085d0351e19100e9abc24b10c44a0939a1d35ba23421da4ece345d7373f7dbad1dc6a2ae153c1259404dd96b41e2682e711cf2b0b63fd03a196760cddbcdd3
+DIST rustc-1.68.2-src.tar.xz.asc 801 BLAKE2B
6ac2444950e5f919d09823ea3eef50364ad7b295126b090178872970f03c43ca9747779e0873138ca3a0b753eff79d2ef36d8b70c6a6050039ba9f9018571016
SHA512
86ccbb8ea89f820ba92ad9cbfb8f4bda3393e2c24d699355fd559a2339ff39bcce2a027ebd1b043f11de24b00cdac8c42d252915b36e711eb1d80f49a8007d47
diff --git a/dev-lang/rust/rust-1.68.2.ebuild b/dev-lang/rust/rust-1.68.2.ebuild
new file mode 100644
index 000000000000..4f904c718106
--- /dev/null
+++ b/dev-lang/rust/rust-1.68.2.ebuild
@@ -0,0 +1,741 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..11} )
+
+inherit bash-completion-r1 check-reqs estack flag-o-matic llvm multiprocessing
\
+ multilib multilib-build python-any-r1 rust-toolchain toolchain-funcs
verify-sig
+
+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="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz -> rustc-${PV}-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 ~arm ~arm64 ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).1"
+
+DESCRIPTION="Systems programming language from Mozilla"
+HOMEPAGE="https://www.rust-lang.org/";
+
+SRC_URI="
+ https://static.rust-lang.org/dist/${SRC}
+ verify-sig? ( https://static.rust-lang.org/dist/${SRC}.asc )
+ !system-bootstrap? ( $(rust_all_arch_uris rust-${RUST_STAGE0_VERSION}) )
+"
+
+# keep in sync with llvm ebuild of the same version as bundled one.
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM AVR BPF Hexagon Lanai Mips MSP430
+ NVPTX PowerPC RISCV 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 BSD-1 BSD-2 BSD-4 UoI-NCSA"
+
+IUSE="clippy cpu_flags_x86_sse2 debug dist doc llvm-libunwind miri nightly
parallel-compiler profiler rustfmt rust-analyzer rust-src system-bootstrap
system-llvm test wasm ${ALL_LLVM_TARGETS[*]}"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling more than one slot
+# simultaneously.
+
+# How to use it:
+# List all the working slots in LLVM_VALID_SLOTS, newest first.
+LLVM_VALID_SLOTS=( 15 )
+LLVM_MAX_SLOT="${LLVM_VALID_SLOTS[0]}"
+
+# splitting usedeps needed to avoid CI/pkgcheck's UncheckableDep limitation
+# (-) usedep needed because we may build with older llvm without that target
+LLVM_DEPEND="|| ( "
+for _s in ${LLVM_VALID_SLOTS[@]}; do
+ LLVM_DEPEND+=" ( "
+ for _x in ${ALL_LLVM_TARGETS[@]}; do
+ LLVM_DEPEND+="
+ ${_x}? ( sys-devel/llvm:${_s}[${_x}(-)] )
+ wasm? ( sys-devel/lld:${_s} )"
+ done
+ LLVM_DEPEND+=" )"
+done
+unset _s _x
+LLVM_DEPEND+=" )
+ <sys-devel/llvm-$(( LLVM_MAX_SLOT + 1 )):=
+"
+
+# to bootstrap we need at least exactly previous version, or same.
+# most of the time previous versions fail to bootstrap with newer
+# for example 1.47.x, requires at least 1.46.x, 1.47.x is ok,
+# but it fails to bootstrap with 1.48.x
+# https://github.com/rust-lang/rust/blob/${PV}/src/stage0.json
+RUST_DEP_PREV="$(ver_cut 1).$(($(ver_cut 2) - 1))*"
+RUST_DEP_CURR="$(ver_cut 1).$(ver_cut 2)*"
+BOOTSTRAP_DEPEND="||
+ (
+ =dev-lang/rust-"${RUST_DEP_PREV}"
+ =dev-lang/rust-bin-"${RUST_DEP_PREV}"
+ =dev-lang/rust-"${RUST_DEP_CURR}"
+ =dev-lang/rust-bin-"${RUST_DEP_CURR}"
+ )
+"
+
+BDEPEND="${PYTHON_DEPS}
+ app-eselect/eselect-rust
+ || (
+ >=sys-devel/gcc-4.7
+ >=sys-devel/clang-3.5
+ )
+ system-bootstrap? ( ${BOOTSTRAP_DEPEND} )
+ !system-llvm? (
+ >=dev-util/cmake-3.13.4
+ dev-util/ninja
+ )
+ test? ( sys-devel/gdb )
+ verify-sig? ( sec-keys/openpgp-keys-rust )
+"
+
+DEPEND="
+ >=app-arch/xz-utils-5.2
+ net-misc/curl:=[http2,ssl]
+ sys-libs/zlib:=
+ dev-libs/openssl:0=
+ system-llvm? (
+ ${LLVM_DEPEND}
+ llvm-libunwind? ( sys-libs/llvm-libunwind:= )
+ )
+ !system-llvm? (
+ !llvm-libunwind? (
+ elibc_musl? ( sys-libs/libunwind:= )
+ )
+ )
+"
+
+RDEPEND="${DEPEND}
+ app-eselect/eselect-rust
+ sys-apps/lsb-release
+"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+ miri? ( nightly )
+ parallel-compiler? ( nightly )
+ test? ( ${ALL_LLVM_TARGETS[*]} )
+ wasm? ( llvm_targets_WebAssembly )
+ x86? ( cpu_flags_x86_sse2 )
+"
+
+# we don't use cmake.eclass, but can get a warning
+CMAKE_WARN_UNUSED_CLI=no
+
+QA_FLAGS_IGNORED="
+ usr/lib/${PN}/${PV}/bin/.*
+ usr/lib/${PN}/${PV}/libexec/.*
+ usr/lib/${PN}/${PV}/lib/lib.*.so
+ usr/lib/${PN}/${PV}/lib/rustlib/.*/bin/.*
+ usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_SONAME="
+ usr/lib/${PN}/${PV}/lib/lib.*.so.*
+ usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_PRESTRIPPED="
+ usr/lib/${PN}/${PV}/lib/rustlib/.*/bin/rust-llvm-dwp
+ usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/self-contained/crtn.o
+"
+
+# An rmeta file is custom binary format that contains the metadata for the
crate.
+# rmeta files do not support linking, since they do not contain compiled
object files.
+# so we can safely silence the warning for this QA check.
+QA_EXECSTACK="usr/lib/${PN}/${PV}/lib/rustlib/*/lib*.rlib:lib.rmeta"
+
+# causes double bootstrap
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/rust.asc
+
+PATCHES=(
+ "${FILESDIR}"/1.68.0-ignore-broken-and-non-applicable-tests.patch
+ "${FILESDIR}"/1.62.1-musl-dynamic-linking.patch
+ "${FILESDIR}"/1.67.0-doc-wasm.patch
+)
+
+S="${WORKDIR}/${MY_P}-src"
+
+toml_usex() {
+ usex "${1}" true false
+}
+
+bootstrap_rust_version_check() {
+ # never call from pkg_pretend. eselect-rust may be not installed yet.
+ [[ ${MERGE_TYPE} == binary ]] && return
+ local rustc_wanted="$(ver_cut 1).$(($(ver_cut 2) - 1))"
+ local rustc_toonew="$(ver_cut 1).$(($(ver_cut 2) + 1))"
+ local rustc_version=( $(eselect --brief rust show 2>/dev/null) )
+ rustc_version=${rustc_version[0]#rust-bin-}
+ rustc_version=${rustc_version#rust-}
+
+ [[ -z "${rustc_version}" ]] && die "Failed to determine rust version,
check 'eselect rust' output"
+
+ if ver_test "${rustc_version}" -lt "${rustc_wanted}" ; then
+ eerror "Rust >=${rustc_wanted} is required"
+ eerror "please run 'eselect rust' and set correct rust version"
+ die "selected rust version is too old"
+ elif ver_test "${rustc_version}" -ge "${rustc_toonew}" ; then
+ eerror "Rust <${rustc_toonew} is required"
+ eerror "please run 'eselect rust' and set correct rust version"
+ die "selected rust version is too new"
+ else
+ einfo "Using rust ${rustc_version} to build"
+ fi
+}
+
+pre_build_checks() {
+ local M=8192
+ # multiply requirements by 1.3 if we are doing x86-multilib
+ if use amd64; then
+ M=$(( $(usex abi_x86_32 13 10) * ${M} / 10 ))
+ fi
+ M=$(( $(usex clippy 128 0) + ${M} ))
+ M=$(( $(usex miri 128 0) + ${M} ))
+ M=$(( $(usex rustfmt 256 0) + ${M} ))
+ # add 2G if we compile llvm and 256M per llvm_target
+ if ! use system-llvm; then
+ M=$(( 2048 + ${M} ))
+ local ltarget
+ for ltarget in ${ALL_LLVM_TARGETS[@]}; do
+ M=$(( $(usex ${ltarget} 256 0) + ${M} ))
+ done
+ fi
+ M=$(( $(usex wasm 256 0) + ${M} ))
+ M=$(( $(usex debug 2 1) * ${M} ))
+ eshopts_push -s extglob
+ if is-flagq '-g?(gdb)?([1-9])'; then
+ M=$(( 15 * ${M} / 10 ))
+ fi
+ eshopts_pop
+ M=$(( $(usex system-bootstrap 0 1024) + ${M} ))
+ M=$(( $(usex doc 256 0) + ${M} ))
+ CHECKREQS_DISK_BUILD=${M}M check-reqs_pkg_${EBUILD_PHASE}
+}
+
+llvm_check_deps() {
+ has_version -r "sys-devel/llvm:${LLVM_SLOT}[${LLVM_TARGET_USEDEPS//
/,}]"
+}
+
+# Is LLVM being linked against libc++?
+is_libcxx_linked() {
+ local code='#include <ciso646>
+#if defined(_LIBCPP_VERSION)
+ HAVE_LIBCXX
+#endif
+'
+ local out=$($(tc-getCXX) ${CXXFLAGS} ${CPPFLAGS} -x c++ -E -P -
<<<"${code}") || return 1
+ [[ ${out} == *HAVE_LIBCXX* ]]
+}
+
+pkg_pretend() {
+ pre_build_checks
+}
+
+pkg_setup() {
+ pre_build_checks
+ python-any-r1_pkg_setup
+
+ export LIBGIT2_NO_PKG_CONFIG=1 #749381
+
+ use system-bootstrap && bootstrap_rust_version_check
+
+ if use system-llvm; then
+ llvm_pkg_setup
+
+ local llvm_config="$(get_llvm_prefix
"${LLVM_MAX_SLOT}")/bin/llvm-config"
+ export LLVM_LINK_SHARED=1
+ export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}"
--libdir)"
+ fi
+}
+
+esetup_unwind_hack() {
+ # https://bugs.gentoo.org/870280
+ # this is a hack needed to bootstrap with libgcc_s linked tarball on
llvm-libunwind system.
+ # it should trigger for internal bootstrap or system-bootstrap with
rust-bin.
+ # the whole idea is for stage0 to bootstrap with fake libgcc_s.
+ # final stage will receive -L${T}/lib but not -lgcc_s args, producing
clean compiler.
+ local fakelib="${T}/fakelib"
+ mkdir -p "${fakelib}" || die
+ # we need both symlinks, one for cargo runtime, other for linker.
+ ln -s "${ESYSROOT}/usr/lib/libunwind.so" "${fakelib}/libgcc_s.so.1" ||
die
+ ln -s "${ESYSROOT}/usr/lib/libunwind.so" "${fakelib}/libgcc_s.so" || die
+ export LD_LIBRARY_PATH="${fakelib}"
+ export RUSTFLAGS+=" -L${fakelib}"
+ # this is a literally magic variable that gets through cargo cache,
without it some
+ # crates ignore RUSTFLAGS.
+ # this variable can not contain leading space.
+ export MAGIC_EXTRA_RUSTFLAGS+="${MAGIC_EXTRA_RUSTFLAGS:+ }-L${fakelib}"
+}
+
+src_prepare() {
+ if ! use system-bootstrap; then
+ has_version sys-devel/gcc || esetup_unwind_hack
+ local rust_stage0_root="${WORKDIR}"/rust-stage0
+ local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
+
+ "${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig \
+ --without=rust-docs-json-preview,rust-docs
--destdir="${rust_stage0_root}" --prefix=/ || die
+ fi
+
+ default
+}
+
+src_configure() {
+ filter-flags '-flto*' # https://bugs.gentoo.org/862109
https://bugs.gentoo.org/866231
+
+ 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_abi $(get_abi_CHOST ${v##*.}))\""
+ done
+ if use wasm; then
+ rust_targets+=",\"wasm32-unknown-unknown\""
+ if use system-llvm; then
+ # un-hardcode rust-lld linker for this target
+ # https://bugs.gentoo.org/715348
+ sed -i '/linker:/ s/rust-lld/wasm-ld/'
compiler/rustc_target/src/spec/wasm_base.rs || die
+ fi
+ fi
+ rust_targets="${rust_targets#,}"
+
+ local tools='"cargo"'
+ use clippy && tools+=',"clippy"'
+ use miri && tools+=',"miri"'
+ use profiler && tools+=',"rust-demangler"'
+ use rustfmt && tools+=',"rustfmt"'
+ use rust-analyzer && tools+=',"rust-analyzer","analysis"'
+ use rust-src && tools+=',"src"'
+
+ local rust_stage0_root
+ if use system-bootstrap; then
+ local printsysroot
+ printsysroot="$(rustc --print sysroot || die "Can't determine
rust's sysroot")"
+ rust_stage0_root="${printsysroot}"
+ else
+ rust_stage0_root="${WORKDIR}"/rust-stage0
+ fi
+ # in case of prefix it will be already prefixed, as --print sysroot
returns full path
+ [[ -d ${rust_stage0_root} ]] || die "${rust_stage0_root} is not a
directory"
+
+ rust_target="$(rust_abi)"
+
+ local cm_btype="$(usex debug DEBUG RELEASE)"
+ cat <<- _EOF_ > "${S}"/config.toml
+ changelog-seen = 2
+ [llvm]
+ download-ci-llvm = false
+ optimize = $(toml_usex !debug)
+ release-debuginfo = $(toml_usex debug)
+ assertions = $(toml_usex debug)
+ ninja = true
+ targets = "${LLVM_TARGETS// /;}"
+ experimental-targets = ""
+ link-shared = $(toml_usex system-llvm)
+ $(if is_libcxx_linked; then
+ # https://bugs.gentoo.org/732632
+ echo "use-libcxx = true"
+ echo "static-libstdcpp = false"
+ fi)
+ $(case "${rust_target}" in
+ i586-*-linux-*)
+ # https://github.com/rust-lang/rust/issues/93059
+ echo 'cflags = "-fcf-protection=none"'
+ echo 'cxxflags = "-fcf-protection=none"'
+ echo 'ldflags = "-fcf-protection=none"'
+ ;;
+ *)
+ ;;
+ esac)
+ [llvm.build-config]
+ CMAKE_VERBOSE_MAKEFILE = "ON"
+ CMAKE_C_FLAGS_${cm_btype} = "${CFLAGS}"
+ CMAKE_CXX_FLAGS_${cm_btype} = "${CXXFLAGS}"
+ CMAKE_EXE_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+ CMAKE_MODULE_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+ CMAKE_SHARED_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+ CMAKE_STATIC_LINKER_FLAGS_${cm_btype} = "${ARFLAGS}"
+ [build]
+ build-stage = 2
+ test-stage = 2
+ build = "${rust_target}"
+ host = ["${rust_target}"]
+ target = [${rust_targets}]
+ cargo = "${rust_stage0_root}/bin/cargo"
+ rustc = "${rust_stage0_root}/bin/rustc"
+ rustfmt = "${rust_stage0_root}/bin/rustfmt"
+ docs = $(toml_usex doc)
+ compiler-docs = false
+ submodules = false
+ python = "${EPYTHON}"
+ locked-deps = true
+ vendor = true
+ extended = true
+ tools = [${tools}]
+ verbose = 2
+ sanitizers = false
+ profiler = $(toml_usex profiler)
+ cargo-native-static = false
+ [install]
+ prefix = "${EPREFIX}/usr/lib/${PN}/${PV}"
+ sysconfdir = "etc"
+ docdir = "share/doc/rust"
+ bindir = "bin"
+ libdir = "lib"
+ mandir = "share/man"
+ [rust]
+ # https://github.com/rust-lang/rust/issues/54872
+ codegen-units-std = 1
+ optimize = true
+ debug = $(toml_usex debug)
+ debug-assertions = $(toml_usex debug)
+ debug-assertions-std = $(toml_usex debug)
+ debuginfo-level = $(usex debug 2 0)
+ debuginfo-level-rustc = $(usex debug 2 0)
+ debuginfo-level-std = $(usex debug 2 0)
+ debuginfo-level-tools = $(usex debug 2 0)
+ debuginfo-level-tests = 0
+ backtrace = true
+ incremental = false
+ default-linker = "$(tc-getCC)"
+ parallel-compiler = $(toml_usex parallel-compiler)
+ channel = "$(usex nightly nightly stable)"
+ description = "gentoo"
+ rpath = false
+ verbose-tests = true
+ optimize-tests = $(toml_usex !debug)
+ codegen-tests = true
+ dist-src = false
+ remap-debuginfo = true
+ lld = $(usex system-llvm false $(toml_usex wasm))
+ # only deny warnings if doc+wasm are NOT requested, documenting
stage0 wasm std fails without it
+ # https://github.com/rust-lang/rust/issues/74976
+ # https://github.com/rust-lang/rust/issues/76526
+ deny-warnings = $(usex wasm $(usex doc false true) true)
+ backtrace-on-ice = true
+ jemalloc = false
+ [dist]
+ src-tarball = false
+ compression-formats = ["xz"]
+ _EOF_
+
+ for v in $(multilib_get_enabled_abi_pairs); do
+ rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
+ arch_cflags="$(get_abi_CFLAGS ${v##*.})"
+
+ export CFLAGS_${rust_target//-/_}="${arch_cflags}"
+
+ cat <<- _EOF_ >> "${S}"/config.toml
+ [target.${rust_target}]
+ ar = "$(tc-getAR)"
+ cc = "$(tc-getCC)"
+ cxx = "$(tc-getCXX)"
+ linker = "$(tc-getCC)"
+ ranlib = "$(tc-getRANLIB)"
+ llvm-libunwind = "$(usex llvm-libunwind $(usex
system-llvm system in-tree) no)"
+ _EOF_
+ if use system-llvm; then
+ cat <<- _EOF_ >> "${S}"/config.toml
+ llvm-config = "$(get_llvm_prefix
"${LLVM_MAX_SLOT}")/bin/llvm-config"
+ _EOF_
+ fi
+ # by default librustc_target/spec/linux_musl_base.rs sets
base.crt_static_default = true;
+ # but we patch it and set to false here as well
+ if use elibc_musl; then
+ cat <<- _EOF_ >> "${S}"/config.toml
+ crt-static = false
+ _EOF_
+ fi
+ done
+ if use wasm; then
+ cat <<- _EOF_ >> "${S}"/config.toml
+ [target.wasm32-unknown-unknown]
+ linker = "$(usex system-llvm lld rust-lld)"
+ # wasm target does not have profiler_builtins
https://bugs.gentoo.org/848483
+ profiler = false
+ _EOF_
+ fi
+
+ if [[ -n ${I_KNOW_WHAT_I_AM_DOING_CROSS} ]]; then # whitespace
intentionally shifted below
+ # experimental cross support
+ # discussion: https://bugs.gentoo.org/679878
+ # TODO: c*flags, clang, system-llvm, cargo.eclass target support
+ # it would be much better if we could split out stdlib
+ # complilation to separate ebuild and abuse CATEGORY to
+ # just install to /usr/lib/rustlib/<target>
+
+ # extra targets defined as a bash array
+ # spec format: <LLVM target>:<rust-target>:<CTARGET>
+ # best place would be /etc/portage/env/dev-lang/rust
+ # Example:
+ # RUST_CROSS_TARGETS=(
+ # "AArch64:aarch64-unknown-linux-gnu:aarch64-unknown-linux-gnu"
+ # )
+ # no extra hand holding is done, no target transformations, all
+ # values are passed as-is with just basic checks, so it's up to user to
supply correct values
+ # valid rust targets can be obtained with
+ # rustc --print target-list
+ # matching cross toolchain has to be installed
+ # matching LLVM_TARGET has to be enabled for both rust and llvm (if
using system one)
+ # only gcc toolchains installed with crossdev are checked for now.
+
+ # BUG: we can't pass host flags to cross compiler, so just filter for
now
+ # BUG: this should be more fine-grained.
+ filter-flags '-mcpu=*' '-march=*' '-mtune=*'
+
+ local cross_target_spec
+ for cross_target_spec in "${RUST_CROSS_TARGETS[@]}";do
+ # extracts first element form <LLVM
target>:<rust-target>:<CTARGET>
+ local cross_llvm_target="${cross_target_spec%%:*}"
+ # extracts toolchain triples, <rust-target>:<CTARGET>
+ local cross_triples="${cross_target_spec#*:}"
+ # extracts first element after before : separator
+ local cross_rust_target="${cross_triples%%:*}"
+ # extracts last element after : separator
+ local cross_toolchain="${cross_triples##*:}"
+ use llvm_targets_${cross_llvm_target} || die "need
llvm_targets_${cross_llvm_target} target enabled"
+ command -v ${cross_toolchain}-gcc > /dev/null 2>&1 || die "need
${cross_toolchain} cross toolchain"
+
+ cat <<- _EOF_ >> "${S}"/config.toml
+ [target.${cross_rust_target}]
+ ar = "${cross_toolchain}-ar"
+ cc = "${cross_toolchain}-gcc"
+ cxx = "${cross_toolchain}-g++"
+ linker = "${cross_toolchain}-gcc"
+ ranlib = "${cross_toolchain}-ranlib"
+ _EOF_
+ if use system-llvm; then
+ cat <<- _EOF_ >> "${S}"/config.toml
+ llvm-config = "$(get_llvm_prefix
"${LLVM_MAX_SLOT}")/bin/llvm-config"
+ _EOF_
+ fi
+ if [[ "${cross_toolchain}" == *-musl* ]]; then
+ cat <<- _EOF_ >> "${S}"/config.toml
+ musl-root = "$(${cross_toolchain}-gcc
-print-sysroot)/usr"
+ _EOF_
+ fi
+
+ # append cross target to "normal" target list
+ # example 'target = ["powerpc64le-unknown-linux-gnu"]'
+ # becomes 'target =
["powerpc64le-unknown-linux-gnu","aarch64-unknown-linux-gnu"]'
+
+ rust_targets="${rust_targets},\"${cross_rust_target}\""
+ sed -i "/^target = \[/ s#\[.*\]#\[${rust_targets}\]#"
config.toml || die
+
+ ewarn
+ ewarn "Enabled ${cross_rust_target} rust target"
+ ewarn "Using ${cross_toolchain} cross toolchain"
+ ewarn
+ if ! has_version -b 'sys-devel/binutils[multitarget]' ; then
+ ewarn "'sys-devel/binutils[multitarget]' is not
installed"
+ ewarn "'strip' will be unable to strip cross libraries"
+ ewarn "cross targets will be installed with full debug
information"
+ ewarn "enable 'multitarget' USE flag for binutils to be
able to strip object files"
+ ewarn
+ ewarn "Alternatively llvm-strip can be used, it
supports stripping any target"
+ ewarn "define STRIP=\"llvm-strip\" to use it
(experimental)"
+ ewarn
+ fi
+ done
+ fi # I_KNOW_WHAT_I_AM_DOING_CROSS
+
+ einfo "Rust configured with the following flags:"
+ echo
+ echo RUSTFLAGS="\"${RUSTFLAGS}\""
+ echo RUSTFLAGS_BOOTSTRAP="\"${RUSTFLAGS_BOOTSTRAP}\""
+ echo RUSTFLAGS_NOT_BOOTSTRAP="\"${RUSTFLAGS_NOT_BOOTSTRAP}\""
+ echo MAGIC_EXTRA_RUSTFLAGS="\"${MAGIC_EXTRA_RUSTFLAGS}\""
+ env | grep "CARGO_TARGET_.*_RUSTFLAGS="
+ env | grep "CFLAGS_.*"
+ echo
+ einfo "config.toml contents:"
+ cat "${S}"/config.toml || die
+ echo
+}
+
+src_compile() {
+ RUST_BACKTRACE=1 "${EPYTHON}" ./x.py build -vv
--config="${S}"/config.toml -j$(makeopts_jobs) || die
+}
+
+src_test() {
+ # https://rustc-dev-guide.rust-lang.org/tests/intro.html
+
+ # those are basic and codegen tests.
+ local tests=(
+ codegen
+ codegen-units
+ compile-fail
+ incremental
+ mir-opt
+ pretty
+ run-make
+ )
+
+ # fails if llvm is not built with ALL targets.
+ # and known to fail with system llvm sometimes.
+ use system-llvm || tests+=( assembly )
+
+ # fragile/expensive/less important tests
+ # or tests that require extra builds
+ # TODO: instead of skipping, just make some nonfatal.
+ if [[ ${ERUST_RUN_EXTRA_TESTS:-no} != no ]]; then
+ tests+=(
+ rustdoc
+ rustdoc-js
+ rustdoc-js-std
+ rustdoc-ui
+ run-make-fulldeps
+ ui
+ ui-fulldeps
+ )
+ fi
+
+ local i failed=()
+ einfo "rust_src_test: enabled tests ${tests[@]/#/src/test/}"
+ for i in "${tests[@]}"; do
+ local t="src/test/${i}"
+ einfo "rust_src_test: running ${t}"
+ if ! RUST_BACKTRACE=1 "${EPYTHON}" ./x.py test -vv
--config="${S}"/config.toml \
+ -j$(makeopts_jobs) --no-doc --no-fail-fast
"${t}"
+ then
+ failed+=( "${t}" )
+ eerror "rust_src_test: ${t} failed"
+ fi
+ done
+
+ if [[ ${#failed[@]} -ne 0 ]]; then
+ eerror "rust_src_test: failure summary: ${failed[@]}"
+ die "aborting due to test failures"
+ fi
+}
+
+src_install() {
+ DESTDIR="${D}" "${EPYTHON}" ./x.py install -vv
--config="${S}"/config.toml -j$(makeopts_jobs) || die
+
+ # bug #689562, #689160
+ rm -v "${ED}/usr/lib/${PN}/${PV}/etc/bash_completion.d/cargo" || die
+ rmdir -v "${ED}/usr/lib/${PN}/${PV}"/etc{/bash_completion.d,} || die
+ newbashcomp src/tools/cargo/src/etc/cargo.bashcomp.sh cargo
+
+ local symlinks=(
+ cargo
+ rustc
+ rustdoc
+ rust-gdb
+ rust-gdbgui
+ rust-lldb
+ )
+
+ use clippy && symlinks+=( clippy-driver cargo-clippy )
+ use miri && symlinks+=( miri cargo-miri )
+ use profiler && symlinks+=( rust-demangler )
+ use rustfmt && symlinks+=( rustfmt cargo-fmt )
+ use rust-analyzer && symlinks+=( rust-analyzer )
+
+ einfo "installing eselect-rust symlinks and paths: ${symlinks[@]}"
+ local i
+ for i in "${symlinks[@]}"; do
+ # we need realpath on /usr/bin/* symlink return
version-appended binary path.
+ # so /usr/bin/rustc should point to
/usr/lib/rust/<ver>/bin/rustc-<ver>
+ # need to fix eselect-rust to remove this hack.
+ local ver_i="${i}-${PV}"
+ if [[ -f "${ED}/usr/lib/${PN}/${PV}/bin/${i}" ]]; then
+ einfo "Installing ${i} symlink"
+ ln -v "${ED}/usr/lib/${PN}/${PV}/bin/${i}"
"${ED}/usr/lib/${PN}/${PV}/bin/${ver_i}" || die
+ else
+ ewarn "${i} symlink requested, but source file not
found"
+ ewarn "please report this"
+ fi
+ dosym "../lib/${PN}/${PV}/bin/${ver_i}" "/usr/bin/${ver_i}"
+ done
+
+ # symlinks to switch components to active rust in eselect
+ dosym "${PV}/lib" "/usr/lib/${PN}/lib-${PV}"
+ dosym "${PV}/libexec" "/usr/lib/${PN}/libexec-${PV}"
+ dosym "${PV}/share/man" "/usr/lib/${PN}/man-${PV}"
+ dosym "rust/${PV}/lib/rustlib" "/usr/lib/rustlib-${PV}"
+ dosym "../../lib/${PN}/${PV}/share/doc/rust" "/usr/share/doc/${P}"
+
+ newenvd - "50${P}" <<-_EOF_
+ LDPATH="${EPREFIX}/usr/lib/rust/lib"
+ MANPATH="${EPREFIX}/usr/lib/rust/man"
+ _EOF_
+
+ rm -rf "${ED}/usr/lib/${PN}/${PV}"/*.old || die
+ rm -rf "${ED}/usr/lib/${PN}/${PV}/doc"/*.old || die
+
+ # note: eselect-rust adds EROOT to all paths below
+ cat <<-_EOF_ > "${T}/provider-${P}"
+ /usr/bin/cargo
+ /usr/bin/rustdoc
+ /usr/bin/rust-gdb
+ /usr/bin/rust-gdbgui
+ /usr/bin/rust-lldb
+ /usr/lib/rustlib
+ /usr/lib/rust/lib
+ /usr/lib/rust/libexec
+ /usr/lib/rust/man
+ /usr/share/doc/rust
+ _EOF_
+
+ if use clippy; then
+ echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
+ echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
+ fi
+ if use miri; then
+ echo /usr/bin/miri >> "${T}/provider-${P}"
+ echo /usr/bin/cargo-miri >> "${T}/provider-${P}"
+ fi
+ if use profiler; then
+ echo /usr/bin/rust-demangler >> "${T}/provider-${P}"
+ fi
+ if use rustfmt; then
+ echo /usr/bin/rustfmt >> "${T}/provider-${P}"
+ echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
+ fi
+ if use rust-analyzer; then
+ echo /usr/bin/rust-analyzer >> "${T}/provider-${P}"
+ fi
+
+ insinto /etc/env.d/rust
+ doins "${T}/provider-${P}"
+
+ if use dist; then
+ insinto "/usr/lib/${PN}/${PV}/dist"
+ doins -r "${S}/build/dist/."
+ fi
+}
+
+pkg_postinst() {
+ eselect rust update
+
+ if has_version sys-devel/gdb || has_version dev-util/lldb; then
+ 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}."
+ fi
+
+ if has_version app-editors/emacs; 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
+}
+
+pkg_postrm() {
+ eselect rust cleanup
+}
