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Diffstat (limited to 'dev-lang/rust/rust-1.61.0-r1.ebuild')
| -rw-r--r-- | dev-lang/rust/rust-1.61.0-r1.ebuild | 712 |
1 files changed, 712 insertions, 0 deletions
diff --git a/dev-lang/rust/rust-1.61.0-r1.ebuild b/dev-lang/rust/rust-1.61.0-r1.ebuild new file mode 100644 index 000000000000..f8852b27e97e --- /dev/null +++ b/dev-lang/rust/rust-1.61.0-r1.ebuild @@ -0,0 +1,712 @@ +# Copyright 1999-2022 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +PYTHON_COMPAT=( python3_{8..10} ) + +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 ~ppc64 ~riscv ~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 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/${PV}/src/stage0.txt +RUST_DEP_PREV="$(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= + elibc_musl? ( sys-libs/libunwind:= ) + system-llvm? ( ${LLVM_DEPEND} ) +" + +RDEPEND="${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}"/1.61.0-gentoo-musl-target-specs.patch + "${FILESDIR}"/1.61.0-llvm_selectInterleaveCount.patch + "${FILESDIR}"/1.61.0-llvm_addrspacecast.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}[${LLVM_TARGET_USEDEPS// /,}]" +} + +pkg_pretend() { + pre_build_checks +} + +pkg_setup() { + pre_build_checks + python-any-r1_pkg_setup + + export LIBGIT2_NO_PKG_CONFIG=1 #749381 + + use system-bootstrap && bootstrap_rust_version_check + + if use system-llvm; then + llvm_pkg_setup + + local llvm_config="$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config" + export LLVM_LINK_SHARED=1 + export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}" --libdir)" + fi +} + +src_prepare() { + if ! use system-bootstrap; then + 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() { + 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="$(rust_abi)" + + cat <<- _EOF_ > "${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) + $(case "${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) + [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 = "$(tc-getRANLIB)" + _EOF_ + # librustc_target/spec/linux_musl_base.rs sets base.crt_static_default = true; + if use elibc_musl; then + cat <<- _EOF_ >> "${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)" + _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:-}" + 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 +} |