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498 lines
14 KiB
498 lines
14 KiB
# Copyright 1999-2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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PYTHON_COMPAT=( python3_{6,7,8} )
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inherit bash-completion-r1 check-reqs estack flag-o-matic llvm multiprocessing multilib-build python-any-r1 rust-toolchain toolchain-funcs
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if [[ ${PV} = *beta* ]]; then
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betaver=${PV//*beta}
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BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
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MY_P="rustc-beta"
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SLOT="beta/${PV}"
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SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
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else
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ABI_VER="$(ver_cut 1-2)"
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SLOT="stable/${ABI_VER}"
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MY_P="rustc-${PV}"
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SRC="${MY_P}-src.tar.xz"
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KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86"
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fi
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RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).1"
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DESCRIPTION="Systems programming language from Mozilla"
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HOMEPAGE="https://www.rust-lang.org/"
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SRC_URI="
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https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
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!system-bootstrap? ( $(rust_all_arch_uris rust-${RUST_STAGE0_VERSION}) )
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"
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ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
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NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore )
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ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
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LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/?}
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LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
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IUSE="clippy cpu_flags_x86_sse2 debug doc libressl miri nightly parallel-compiler rls rustfmt system-bootstrap system-llvm wasm ${ALL_LLVM_TARGETS[*]}"
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# Please keep the LLVM dependency block separate. Since LLVM is slotted,
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# we need to *really* make sure we're not pulling more than one slot
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# simultaneously.
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# How to use it:
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# 1. List all the working slots (with min versions) in ||, newest first.
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# 2. Update the := to specify *max* version, e.g. < 11.
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# 3. Specify LLVM_MAX_SLOT, e.g. 10.
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LLVM_DEPEND="
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|| (
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sys-devel/llvm:10[${LLVM_TARGET_USEDEPS// /,}]
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sys-devel/llvm:9[${LLVM_TARGET_USEDEPS// /,}]
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)
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<sys-devel/llvm-11:=
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wasm? ( sys-devel/lld )
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"
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LLVM_MAX_SLOT=10
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BOOTSTRAP_DEPEND="|| ( >=dev-lang/rust-1.$(($(ver_cut 2) - 1)) >=dev-lang/rust-bin-1.$(($(ver_cut 2) - 1)) )"
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# libgit2 should be at least same as bundled into libgit-sys #707746
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COMMON_DEPEND="
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>=dev-libs/libgit2-0.99:=
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net-libs/libssh2:=
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net-libs/http-parser:=
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net-misc/curl:=[ssl]
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sys-libs/zlib:=
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!libressl? ( dev-libs/openssl:0= )
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libressl? ( dev-libs/libressl:0= )
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elibc_musl? ( sys-libs/libunwind )
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system-llvm? (
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${LLVM_DEPEND}
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)
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"
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DEPEND="${COMMON_DEPEND}
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${PYTHON_DEPS}
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|| (
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>=sys-devel/gcc-4.7
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>=sys-devel/clang-3.5
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)
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system-bootstrap? ( ${BOOTSTRAP_DEPEND} )
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!system-llvm? (
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dev-util/cmake
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dev-util/ninja
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)
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"
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RDEPEND="${COMMON_DEPEND}
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>=app-eselect/eselect-rust-20190311
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"
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REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
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miri? ( nightly )
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parallel-compiler? ( nightly )
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wasm? ( llvm_targets_WebAssembly )
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x86? ( cpu_flags_x86_sse2 )
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"
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QA_FLAGS_IGNORED="
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usr/bin/.*-${PV}
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usr/lib.*/lib.*.so
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usr/lib/rustlib/.*/codegen-backends/librustc_codegen_llvm-llvm.so
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usr/lib/rustlib/.*/lib/lib.*.so
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"
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QA_SONAME="
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usr/lib.*/lib.*.so
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usr/lib.*/librustc_macros.*.s
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"
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# tests need a bit more work, currently they are causing multiple
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# re-compilations and somewhat fragile.
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RESTRICT="test"
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PATCHES=(
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"${FILESDIR}"/0012-Ignore-broken-and-non-applicable-tests.patch
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"${FILESDIR}"/1.44.0-libressl.patch
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)
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S="${WORKDIR}/${MY_P}-src"
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toml_usex() {
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usex "$1" true false
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}
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pre_build_checks() {
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CHECKREQS_DISK_BUILD="9G"
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eshopts_push -s extglob
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if is-flagq '-g?(gdb)?([1-9])'; then
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CHECKREQS_DISK_BUILD="15G"
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fi
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eshopts_pop
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check-reqs_pkg_setup
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}
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pkg_pretend() {
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pre_build_checks
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}
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pkg_setup() {
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pre_build_checks
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python-any-r1_pkg_setup
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# required to link agains system libs, otherwise
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# crates use bundled sources and compile own static version
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export LIBGIT2_SYS_USE_PKG_CONFIG=1
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export LIBSSH2_SYS_USE_PKG_CONFIG=1
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export PKG_CONFIG_ALLOW_CROSS=1
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if use system-llvm; then
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llvm_pkg_setup
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local llvm_config="$(get_llvm_prefix "$LLVM_MAX_SLOT")/bin/llvm-config"
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export LLVM_LINK_SHARED=1
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export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}" --libdir)"
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fi
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}
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src_prepare() {
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if ! use system-bootstrap; then
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local rust_stage0_root="${WORKDIR}"/rust-stage0
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local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
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"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig \
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--destdir="${rust_stage0_root}" --prefix=/ || die
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fi
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default
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}
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src_configure() {
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local rust_target="" rust_targets="" arch_cflags
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# Collect rust target names to compile standard libs for all ABIs.
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for v in $(multilib_get_enabled_abi_pairs); do
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rust_targets="${rust_targets},\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
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done
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if use wasm; then
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rust_targets="${rust_targets},\"wasm32-unknown-unknown\""
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fi
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rust_targets="${rust_targets#,}"
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local tools="\"cargo\","
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if use clippy; then
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tools="\"clippy\",$tools"
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fi
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if use miri; then
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tools="\"miri\",$tools"
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fi
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if use rls; then
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tools="\"rls\",\"analysis\",\"src\",$tools"
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fi
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if use rustfmt; then
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tools="\"rustfmt\",$tools"
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fi
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local rust_stage0_root
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if use system-bootstrap; then
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rust_stage0_root="$(rustc --print sysroot)"
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else
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rust_stage0_root="${WORKDIR}"/rust-stage0
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fi
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rust_target="$(rust_abi)"
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cat <<- EOF > "${S}"/config.toml
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[llvm]
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optimize = $(toml_usex !debug)
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release-debuginfo = $(toml_usex debug)
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assertions = $(toml_usex debug)
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ninja = true
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targets = "${LLVM_TARGETS// /;}"
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experimental-targets = ""
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link-shared = $(toml_usex system-llvm)
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[build]
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build = "${rust_target}"
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host = ["${rust_target}"]
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target = [${rust_targets}]
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cargo = "${rust_stage0_root}/bin/cargo"
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rustc = "${rust_stage0_root}/bin/rustc"
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docs = $(toml_usex doc)
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compiler-docs = $(toml_usex doc)
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submodules = false
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python = "${EPYTHON}"
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locked-deps = true
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vendor = true
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extended = true
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tools = [${tools}]
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verbose = 2
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sanitizers = false
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profiler = false
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cargo-native-static = false
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[install]
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prefix = "${EPREFIX}/usr"
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libdir = "lib"
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docdir = "share/doc/${PF}"
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mandir = "share/man"
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[rust]
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optimize = true
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debug = $(toml_usex debug)
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debug-assertions = $(toml_usex debug)
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debuginfo-level-rustc = 0
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backtrace = true
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incremental = false
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default-linker = "$(tc-getCC)"
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parallel-compiler = $(toml_usex parallel-compiler)
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channel = "$(usex nightly nightly stable)"
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rpath = false
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verbose-tests = true
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optimize-tests = $(toml_usex !debug)
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codegen-tests = true
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dist-src = false
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lld = $(usex system-llvm false $(toml_usex wasm))
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backtrace-on-ice = true
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jemalloc = false
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[dist]
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src-tarball = false
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EOF
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for v in $(multilib_get_enabled_abi_pairs); do
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rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
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arch_cflags="$(get_abi_CFLAGS ${v##*.})"
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cat <<- EOF >> "${S}"/config.env
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CFLAGS_${rust_target}=${arch_cflags}
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EOF
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cat <<- EOF >> "${S}"/config.toml
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[target.${rust_target}]
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cc = "$(tc-getBUILD_CC)"
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cxx = "$(tc-getBUILD_CXX)"
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linker = "$(tc-getCC)"
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ar = "$(tc-getAR)"
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EOF
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# librustc_target/spec/linux_musl_base.rs sets base.crt_static_default = true;
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if use elibc_musl; then
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cat <<- EOF >> "${S}"/config.toml
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crt-static = false
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EOF
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fi
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if use system-llvm; then
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cat <<- EOF >> "${S}"/config.toml
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llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
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EOF
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fi
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done
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if use wasm; then
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cat <<- EOF >> "${S}"/config.toml
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[target.wasm32-unknown-unknown]
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linker = "$(usex system-llvm lld rust-lld)"
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EOF
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fi
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if [[ -n ${I_KNOW_WHAT_I_AM_DOING_CROSS} ]]; then #whitespace intentionally shifted below
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# experimental cross support
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# discussion: https://bugs.gentoo.org/679878
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# TODO: c*flags, clang, system-llvm, cargo.eclass target support
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# it would be much better if we could split out stdlib
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# complilation to separate ebuild and abuse CATEGORY to
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# just install to /usr/lib/rustlib/<target>
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# extra targets defined as a bash array
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# spec format: <LLVM target>:<rust-target>:<CTARGET>
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# best place would be /etc/portage/env/dev-lang/rust
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# Example:
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# RUST_CROSS_TARGETS=(
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# "AArch64:aarch64-unknown-linux-gnu:aarch64-unknown-linux-gnu"
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# )
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# no extra hand holding is done, no target transformations, all
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# values are passed as-is with just basic checks, so it's up to user to supply correct values
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# valid rust targets can be obtained with
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# rustc --print target-list
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# matching cross toolchain has to be installed
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# matching LLVM_TARGET has to be enabled for both rust and llvm (if using system one)
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# only gcc toolchains installed with crossdev are checked for now.
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# BUG: we can't pass host flags to cross compiler, so just filter for now
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# BUG: this should be more fine-grained.
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filter-flags '-mcpu=*' '-march=*' '-mtune=*'
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local cross_target_spec
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for cross_target_spec in "${RUST_CROSS_TARGETS[@]}";do
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# extracts first element form <LLVM target>:<rust-target>:<CTARGET>
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local cross_llvm_target="${cross_target_spec%%:*}"
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# extracts toolchain triples, <rust-target>:<CTARGET>
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local cross_triples="${cross_target_spec#*:}"
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# extracts first element after before : separator
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local cross_rust_target="${cross_triples%%:*}"
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# extracts last element after : separator
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local cross_toolchain="${cross_triples##*:}"
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use llvm_targets_${cross_llvm_target} || die "need llvm_targets_${cross_llvm_target} target enabled"
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command -v ${cross_toolchain}-gcc > /dev/null 2>&1 || die "need ${cross_toolchain} cross toolchain"
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cat <<- EOF >> "${S}"/config.toml
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[target.${cross_rust_target}]
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cc = "${cross_toolchain}-gcc"
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cxx = "${cross_toolchain}-g++"
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linker = "${cross_toolchain}-gcc"
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ar = "${cross_toolchain}-ar"
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EOF
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if use system-llvm; then
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cat <<- EOF >> "${S}"/config.toml
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llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
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EOF
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fi
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# append cross target to "normal" target list
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# example 'target = ["powerpc64le-unknown-linux-gnu"]'
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# becomes 'target = ["powerpc64le-unknown-linux-gnu","aarch64-unknown-linux-gnu"]'
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rust_targets="${rust_targets},\"${cross_rust_target}\""
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sed -i "/^target = \[/ s#\[.*\]#\[${rust_targets}\]#" config.toml || die
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ewarn
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ewarn "Enabled ${rust_target} rust target"
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ewarn "Using ${cross_toolchain} cross toolchain"
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ewarn
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if ! has_version -b 'sys-devel/binutils[multitarget]' ; then
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ewarn "'sys-devel/binutils[multitarget]' is not installed"
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ewarn "'strip' will be unable to strip cross libraries"
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ewarn "cross targets will be installed with full debug information"
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ewarn "enable 'multitarget' USE flag for binutils to be able to strip object files"
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ewarn
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ewarn "Alternatively llvm-strip can be used, it supports stripping any target"
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ewarn "define STRIP=\"llvm-strip\" to use it (experimental)"
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ewarn
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fi
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done
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fi # I_KNOW_WHAT_I_AM_DOING_CROSS
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einfo "Rust configured with the following settings:"
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cat "${S}"/config.toml || die
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}
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src_compile() {
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env $(cat "${S}"/config.env) RUST_BACKTRACE=1\
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"${EPYTHON}" ./x.py build -vv --config="${S}"/config.toml -j$(makeopts_jobs) || die
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}
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src_test() {
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env $(cat "${S}"/config.env) RUST_BACKTRACE=1\
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"${EPYTHON}" ./x.py test -vv --config="${S}"/config.toml -j$(makeopts_jobs) --no-doc --no-fail-fast \
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src/test/codegen \
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src/test/codegen-units \
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src/test/compile-fail \
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src/test/incremental \
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src/test/mir-opt \
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src/test/pretty \
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src/test/run-fail \
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src/test/run-make \
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src/test/run-make-fulldeps \
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src/test/ui \
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src/test/ui-fulldeps || die
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}
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src_install() {
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env $(cat "${S}"/config.env) DESTDIR="${D}" \
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"${EPYTHON}" ./x.py install -vv --config="${S}"/config.toml || die
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# bug #689562, #689160
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rm "${D}/etc/bash_completion.d/cargo" || die
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rmdir "${D}"/etc{/bash_completion.d,} || die
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dobashcomp build/tmp/dist/cargo-image/etc/bash_completion.d/cargo
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mv "${ED}/usr/bin/rustc" "${ED}/usr/bin/rustc-${PV}" || die
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mv "${ED}/usr/bin/rustdoc" "${ED}/usr/bin/rustdoc-${PV}" || die
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mv "${ED}/usr/bin/rust-gdb" "${ED}/usr/bin/rust-gdb-${PV}" || die
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mv "${ED}/usr/bin/rust-gdbgui" "${ED}/usr/bin/rust-gdbgui-${PV}" || die
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mv "${ED}/usr/bin/rust-lldb" "${ED}/usr/bin/rust-lldb-${PV}" || die
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mv "${ED}/usr/bin/cargo" "${ED}/usr/bin/cargo-${PV}" || die
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if use clippy; then
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mv "${ED}/usr/bin/clippy-driver" "${ED}/usr/bin/clippy-driver-${PV}" || die
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mv "${ED}/usr/bin/cargo-clippy" "${ED}/usr/bin/cargo-clippy-${PV}" || die
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fi
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if use miri; then
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mv "${ED}/usr/bin/miri" "${ED}/usr/bin/miri-${PV}" || die
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mv "${ED}/usr/bin/cargo-miri" "${ED}/usr/bin/cargo-miri-${PV}" || die
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fi
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if use rls; then
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mv "${ED}/usr/bin/rls" "${ED}/usr/bin/rls-${PV}" || die
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fi
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if use rustfmt; then
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mv "${ED}/usr/bin/rustfmt" "${ED}/usr/bin/rustfmt-${PV}" || die
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mv "${ED}/usr/bin/cargo-fmt" "${ED}/usr/bin/cargo-fmt-${PV}" || die
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fi
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# Move public shared libs to abi specific libdir
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# Private and target specific libs MUST stay in /usr/lib/rustlib/${rust_target}/lib
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if [[ $(get_libdir) != lib ]]; then
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dodir /usr/$(get_libdir)
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mv "${ED}/usr/lib"/*.so "${ED}/usr/$(get_libdir)/" || die
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fi
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dodoc COPYRIGHT
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rm "${ED}/usr/share/doc/${P}"/*.old || die
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rm "${ED}/usr/share/doc/${P}/LICENSE-APACHE" || die
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rm "${ED}/usr/share/doc/${P}/LICENSE-MIT" || die
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# note: eselect-rust adds EROOT to all paths below
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cat <<-EOF > "${T}/provider-${P}"
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/usr/bin/cargo
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/usr/bin/rustdoc
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/usr/bin/rust-gdb
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/usr/bin/rust-gdbgui
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/usr/bin/rust-lldb
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EOF
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if use clippy; then
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echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
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echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
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fi
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if use miri; then
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echo /usr/bin/miri >> "${T}/provider-${P}"
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echo /usr/bin/cargo-miri >> "${T}/provider-${P}"
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fi
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if use rls; then
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|
echo /usr/bin/rls >> "${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-${P}"
|
|
}
|
|
|
|
pkg_postinst() {
|
|
eselect rust update --if-unset
|
|
|
|
elog "Rust installs a helper script for calling GDB and LLDB,"
|
|
elog "for your convenience it is installed under /usr/bin/rust-{gdb,lldb}-${PV}."
|
|
|
|
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
|
|
|
|
if use elibc_musl; then
|
|
ewarn "${PN} on *-musl targets is configured with crt-static"
|
|
ewarn ""
|
|
ewarn "you will need to set RUSTFLAGS=\"-C target-feature=-crt-static\" in make.conf"
|
|
ewarn "to use it with portage, otherwise you may see failures like"
|
|
ewarn "error: cannot produce proc-macro for serde_derive v1.0.98 as the target "
|
|
ewarn "x86_64-unknown-linux-musl does not support these crate types"
|
|
fi
|
|
}
|
|
|
|
pkg_postrm() {
|
|
eselect rust cleanup
|
|
}
|