--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7,8} )
+
+inherit bash-completion-r1 check-reqs estack flag-o-matic llvm multiprocessing multilib-build python-any-r1 rust-toolchain toolchain-funcs
+
+if [[ ${PV} = *beta* ]]; then
+ betaver=${PV//*beta}
+ BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+ MY_P="rustc-beta"
+ SLOT="beta/${PV}"
+ SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
+else
+ ABI_VER="$(ver_cut 1-2)"
+ SLOT="stable/${ABI_VER}"
+ MY_P="rustc-${PV}"
+ SRC="${MY_P}-src.tar.xz"
+ KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86"
+fi
+
+RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).0"
+
+DESCRIPTION="Systems programming language from Mozilla"
+HOMEPAGE="https://www.rust-lang.org/"
+
+SRC_URI="
+ https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
+ !system-bootstrap? ( $(rust_all_arch_uris rust-${RUST_STAGE0_VERSION}) )
+"
+
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM 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 doc libressl miri nightly parallel-compiler rls rustfmt system-bootstrap system-llvm wasm ${ALL_LLVM_TARGETS[*]}"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling more than one slot
+# simultaneously.
+
+# How to use it:
+# 1. List all the working slots (with min versions) in ||, newest first.
+# 2. Update the := to specify *max* version, e.g. < 11.
+# 3. Specify LLVM_MAX_SLOT, e.g. 10.
+LLVM_DEPEND="
+ || (
+ sys-devel/llvm:10[${LLVM_TARGET_USEDEPS// /,}]
+ sys-devel/llvm:9[${LLVM_TARGET_USEDEPS// /,}]
+ )
+ <sys-devel/llvm-11:=
+ wasm? ( sys-devel/lld )
+"
+LLVM_MAX_SLOT=10
+
+BOOTSTRAP_DEPEND="|| ( >=dev-lang/rust-1.$(($(ver_cut 2) - 1)) >=dev-lang/rust-bin-1.$(($(ver_cut 2) - 1)) )"
+
+# libgit2 should be at least same as bungled into libgit-sys #707746
+COMMON_DEPEND="
+ >=dev-libs/libgit2-0.99:=
+ net-libs/libssh2:=
+ net-libs/http-parser:=
+ net-misc/curl:=[ssl]
+ sys-libs/zlib:=
+ !libressl? ( dev-libs/openssl:0= )
+ libressl? ( dev-libs/libressl:0= )
+ elibc_musl? ( sys-libs/libunwind )
+ system-llvm? (
+ ${LLVM_DEPEND}
+ )
+"
+
+DEPEND="${COMMON_DEPEND}
+ ${PYTHON_DEPS}
+ || (
+ >=sys-devel/gcc-4.7
+ >=sys-devel/clang-3.5
+ )
+ system-bootstrap? ( ${BOOTSTRAP_DEPEND} )
+ !system-llvm? (
+ dev-util/cmake
+ dev-util/ninja
+ )
+"
+
+RDEPEND="${COMMON_DEPEND}
+ >=app-eselect/eselect-rust-20190311
+"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+ miri? ( nightly )
+ parallel-compiler? ( nightly )
+ wasm? ( llvm_targets_WebAssembly )
+ x86? ( cpu_flags_x86_sse2 )
+"
+
+QA_FLAGS_IGNORED="
+ usr/bin/.*-${PV}
+ usr/lib.*/lib.*.so
+ usr/lib/rustlib/.*/codegen-backends/librustc_codegen_llvm-llvm.so
+ usr/lib/rustlib/.*/lib/lib.*.so
+"
+
+# tests need a bit more work, currently they are causing multiple
+# re-compilations and somewhat fragile.
+RESTRICT="test"
+
+QA_SONAME="usr/lib.*/librustc_macros.*.so"
+
+PATCHES=(
+ "${FILESDIR}"/1.40.0-add-soname.patch
+ "${FILESDIR}"/0012-Ignore-broken-and-non-applicable-tests.patch
+ "${FILESDIR}"/1.43.0-llvm10.patch
+ "${FILESDIR}"/1.42.0-libressl.patch
+)
+
+S="${WORKDIR}/${MY_P}-src"
+
+toml_usex() {
+ usex "$1" true false
+}
+
+pre_build_checks() {
+ CHECKREQS_DISK_BUILD="9G"
+ eshopts_push -s extglob
+ if is-flagq '-g?(gdb)?([1-9])'; then
+ CHECKREQS_DISK_BUILD="15G"
+ fi
+ eshopts_pop
+ check-reqs_pkg_setup
+}
+
+pkg_pretend() {
+ pre_build_checks
+}
+
+pkg_setup() {
+ pre_build_checks
+ python-any-r1_pkg_setup
+
+ # required to link agains system libs, otherwise
+ # crates use bundled sources and compile own static version
+ export LIBGIT2_SYS_USE_PKG_CONFIG=1
+ export LIBSSH2_SYS_USE_PKG_CONFIG=1
+ export PKG_CONFIG_ALLOW_CROSS=1
+
+ if use system-llvm; then
+ llvm_pkg_setup
+
+ local llvm_config="$(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}/${rust_stage0}"/install.sh --disable-ldconfig \
+ --destdir="${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\""
+ fi
+ rust_targets="${rust_targets#,}"
+
+ local tools="\"cargo\","
+ if use clippy; then
+ tools="\"clippy\",$tools"
+ fi
+ if use miri; then
+ tools="\"miri\",$tools"
+ fi
+ if use rls; then
+ tools="\"rls\",\"analysis\",\"src\",$tools"
+ fi
+ if use rustfmt; then
+ tools="\"rustfmt\",$tools"
+ fi
+
+ local rust_stage0_root
+ if use system-bootstrap; then
+ rust_stage0_root="$(rustc --print sysroot)"
+ else
+ rust_stage0_root="${WORKDIR}"/rust-stage0
+ fi
+
+ rust_target="$(rust_abi)"
+
+ cat <<- EOF > "${S}"/config.toml
+ [llvm]
+ optimize = $(toml_usex !debug)
+ release-debuginfo = $(toml_usex debug)
+ assertions = $(toml_usex debug)
+ ninja = true
+ targets = "${LLVM_TARGETS// /;}"
+ experimental-targets = ""
+ link-shared = $(toml_usex system-llvm)
+ [build]
+ build = "${rust_target}"
+ host = ["${rust_target}"]
+ target = [${rust_targets}]
+ cargo = "${rust_stage0_root}/bin/cargo"
+ rustc = "${rust_stage0_root}/bin/rustc"
+ docs = $(toml_usex doc)
+ compiler-docs = $(toml_usex doc)
+ submodules = false
+ python = "${EPYTHON}"
+ locked-deps = true
+ vendor = true
+ extended = true
+ tools = [${tools}]
+ verbose = 2
+ sanitizers = false
+ profiler = false
+ cargo-native-static = false
+ [install]
+ prefix = "${EPREFIX}/usr"
+ libdir = "lib"
+ docdir = "share/doc/${PF}"
+ mandir = "share/man"
+ [rust]
+ optimize = true
+ debug = $(toml_usex debug)
+ debug-assertions = $(toml_usex debug)
+ debuginfo-level-rustc = 0
+ backtrace = true
+ incremental = false
+ default-linker = "$(tc-getCC)"
+ parallel-compiler = $(toml_usex parallel-compiler)
+ channel = "$(usex nightly nightly stable)"
+ rpath = false
+ verbose-tests = true
+ optimize-tests = $(toml_usex !debug)
+ codegen-tests = true
+ dist-src = false
+ lld = $(usex system-llvm false $(toml_usex wasm))
+ backtrace-on-ice = true
+ jemalloc = false
+ [dist]
+ src-tarball = false
+ EOF
+
+ for v in $(multilib_get_enabled_abi_pairs); do
+ rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
+ arch_cflags="$(get_abi_CFLAGS ${v##*.})"
+
+ cat <<- EOF >> "${S}"/config.env
+ CFLAGS_${rust_target}=${arch_cflags}
+ EOF
+
+ cat <<- EOF >> "${S}"/config.toml
+ [target.${rust_target}]
+ cc = "$(tc-getBUILD_CC)"
+ cxx = "$(tc-getBUILD_CXX)"
+ linker = "$(tc-getCC)"
+ ar = "$(tc-getAR)"
+ EOF
+ # 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
+
+ einfo "Rust configured with the following settings:"
+ cat "${S}"/config.toml || die
+}
+
+src_compile() {
+ env $(cat "${S}"/config.env) RUST_BACKTRACE=1\
+ "${EPYTHON}" ./x.py build -vv --config="${S}"/config.toml -j$(makeopts_jobs) || die
+}
+
+src_test() {
+ 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 \
+ src/test/codegen \
+ src/test/codegen-units \
+ src/test/compile-fail \
+ src/test/incremental \
+ src/test/mir-opt \
+ src/test/pretty \
+ src/test/run-fail \
+ src/test/run-make \
+ src/test/run-make-fulldeps \
+ src/test/ui \
+ src/test/ui-fulldeps || die
+}
+
+src_install() {
+ env $(cat "${S}"/config.env) DESTDIR="${D}" \
+ "${EPYTHON}" ./x.py install -vv --config="${S}"/config.toml || die
+
+ # bug #689562, #689160
+ rm "${D}/etc/bash_completion.d/cargo" || die
+ rmdir "${D}"/etc{/bash_completion.d,} || die
+ dobashcomp build/tmp/dist/cargo-image/etc/bash_completion.d/cargo
+
+ mv "${ED}/usr/bin/rustc" "${ED}/usr/bin/rustc-${PV}" || die
+ mv "${ED}/usr/bin/rustdoc" "${ED}/usr/bin/rustdoc-${PV}" || die
+ mv "${ED}/usr/bin/rust-gdb" "${ED}/usr/bin/rust-gdb-${PV}" || die
+ mv "${ED}/usr/bin/rust-gdbgui" "${ED}/usr/bin/rust-gdbgui-${PV}" || die
+ mv "${ED}/usr/bin/rust-lldb" "${ED}/usr/bin/rust-lldb-${PV}" || die
+ mv "${ED}/usr/bin/cargo" "${ED}/usr/bin/cargo-${PV}" || die
+ if use clippy; then
+ mv "${ED}/usr/bin/clippy-driver" "${ED}/usr/bin/clippy-driver-${PV}" || die
+ mv "${ED}/usr/bin/cargo-clippy" "${ED}/usr/bin/cargo-clippy-${PV}" || die
+ fi
+ if use miri; then
+ mv "${ED}/usr/bin/miri" "${ED}/usr/bin/miri-${PV}" || die
+ mv "${ED}/usr/bin/cargo-miri" "${ED}/usr/bin/cargo-miri-${PV}" || die
+ fi
+ if use rls; then
+ mv "${ED}/usr/bin/rls" "${ED}/usr/bin/rls-${PV}" || die
+ fi
+ if use rustfmt; then
+ mv "${ED}/usr/bin/rustfmt" "${ED}/usr/bin/rustfmt-${PV}" || die
+ mv "${ED}/usr/bin/cargo-fmt" "${ED}/usr/bin/cargo-fmt-${PV}" || die
+ fi
+
+ # Move public shared libs to abi specific libdir
+ # Private and target specific libs MUST stay in /usr/lib/rustlib/${rust_target}/lib
+ if [[ $(get_libdir) != lib ]]; then
+ dodir /usr/$(get_libdir)
+ mv "${ED}/usr/lib"/*.so "${ED}/usr/$(get_libdir)/" || die
+ fi
+
+ dodoc COPYRIGHT
+ rm "${ED}/usr/share/doc/${P}"/*.old || die
+ rm "${ED}/usr/share/doc/${P}/LICENSE-APACHE" || die
+ rm "${ED}/usr/share/doc/${P}/LICENSE-MIT" || die
+
+ # note: eselect-rust adds EROOT to all paths below
+ cat <<-EOF > "${T}/provider-${P}"
+ /usr/bin/cargo
+ /usr/bin/rustdoc
+ /usr/bin/rust-gdb
+ /usr/bin/rust-gdbgui
+ /usr/bin/rust-lldb
+ EOF
+ if use clippy; then
+ echo /usr/bin/clippy-driver >> "${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-${P}"
+ fi
+ if use rls; then
+ echo /usr/bin/rls >> "${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-${P}"
+}
+
+pkg_postinst() {
+ eselect rust update --if-unset
+
+ elog "Rust installs a helper script for calling GDB and LLDB,"
+ elog "for your convenience it is installed under /usr/bin/rust-{gdb,lldb}-${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
+}
projects / gentoo.git / commitdiff