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|
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{8..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 ~ppc64 ~riscv ~sparc ~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/${SRC}
verify-sig? ( https://static.rust-lang.org/dist/${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-1 BSD-2 BSD-4 UoI-NCSA"
IUSE="clippy cpu_flags_x86_sse2 debug dist doc llvm-libunwind miri nightly parallel-compiler profiler rls rustfmt rust-src system-bootstrap system-llvm test wasm ${ALL_LLVM_TARGETS[*]}"
# Please keep the LLVM dependency block separate. Since LLVM is slotted,
# we need to *really* make sure we're not pulling more than one slot
# simultaneously.
# How to use it:
# List all the working slots in LLVM_VALID_SLOTS, newest first.
LLVM_VALID_SLOTS=( 14 )
LLVM_MAX_SLOT="${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}[${_x}(-)] )"
done
LLVM_DEPEND+=" )"
done
unset _s _x
LLVM_DEPEND+=" )
<sys-devel/llvm-$(( LLVM_MAX_SLOT + 1 )):=
wasm? ( sys-devel/lld )
"
# 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 )
rls? ( rust-src )
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}/${PV}/lib/rustlib/.*/bin/rust-llvm-dwp
"
# An rmeta file is custom binary format that contains the metadata for the crate.
# rmeta files do not support linking, since they do not contain compiled object files.
# so we can safely silence the warning for this QA check.
QA_EXECSTACK="usr/lib/${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=(
"${FILESDIR}"/1.55.0-ignore-broken-and-non-applicable-tests.patch
"${FILESDIR}"/1.62.1-musl-dynamic-linking.patch
"${FILESDIR}"/1.61.0-gentoo-musl-target-specs.patch
"${FILESDIR}"/1.63.0-CVE-2022-36113.patch
"${FILESDIR}"/1.63.0-CVE-2022-36114.patch
)
S="${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 rls 512 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 --destdir="${rust_stage0_root}" --prefix=/ || die
fi
default
}
src_configure() {
filter-flags '-flto*' # https://bugs.gentoo.org/862109
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\""
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="${rust_targets#,}"
local tools="\"cargo\","
if use clippy; then
tools="\"clippy\",$tools"
fi
if use miri; then
tools="\"miri\",$tools"
fi
if use profiler; then
tools="\"rust-demangler\",$tools"
fi
if use rls; then
tools="\"rls\",\"analysis\",$tools"
fi
if use rustfmt; then
tools="\"rustfmt\",$tools"
fi
if use rust-src; then
tools="\"src\",$tools"
fi
local rust_stage0_root
if use system-bootstrap; then
local printsysroot
printsysroot="$(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
doc-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 ${v##*.})"
cat <<- _EOF_ >> "${S}"/config.env
CFLAGS_${rust_target}=${arch_cflags}
_EOF_
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 $(usex system-llvm system in-tree) no)"
_EOF_
# by default librustc_target/spec/linux_musl_base.rs sets base.crt_static_default = true;
# but we patch it and set to false here as well
if use elibc_musl; then
cat <<- _EOF_ >> "${S}"/config.toml
crt-static = false
_EOF_
fi
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 = "$(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="\"${MAGIC_EXTRA_RUSTFLAGS}\""
env | grep "CARGO_TARGET_.*_RUSTFLAGS="
cat "${S}"/config.env || die
echo
einfo "config.toml contents:"
cat "${S}"/config.toml || die
echo
}
src_compile() {
# we need \n IFS to have config.env with spaces loaded properly. #734018
(
IFS=$'\n'
env $(cat "${S}"/config.env) 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 ${t}"
if ! (
IFS=$'\n'
env $(cat "${S}"/config.env) 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: ${failed[@]}"
die "aborting due to test failures"
fi
}
src_install() {
(
IFS=$'\n'
env $(cat "${S}"/config.env) 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 rls && symlinks+=( rls )
use rustfmt && symlinks+=( rustfmt cargo-fmt )
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"
$(use amd64 && usex elibc_musl 'CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_RUSTFLAGS="-C target-feature=-crt-static"' '')
$(use arm64 && usex elibc_musl 'CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_RUSTFLAGS="-C target-feature=-crt-static"' '')
_EOF_
rm -rf "${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-${P}"
fi
if use rls; then
echo /usr/bin/rls >> "${T}/provider-${P}"
fi
if use rustfmt; then
echo /usr/bin/rustfmt >> "${T}/provider-${P}"
echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
fi
insinto /etc/env.d/rust
doins "${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
}
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