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156 lines
3.3 KiB
156 lines
3.3 KiB
# Copyright 2020-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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PYTHON_COMPAT=( python3_{9..11} )
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inherit flag-o-matic multiprocessing python-any-r1 rust-toolchain toolchain-funcs
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DESCRIPTION="Rust standard library, standalone (for crossdev)"
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HOMEPAGE="https://www.rust-lang.org"
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SRC_URI="https://static.rust-lang.org/dist/rustc-${PV}-src.tar.xz"
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LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
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SLOT="stable/$(ver_cut 1-2)"
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# please do not keyword
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#KEYWORDS="" #nowarn
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IUSE="debug"
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BDEPEND="
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${PYTHON_DEPS}
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~dev-lang/rust-${PV}:=
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"
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DEPEND="||
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(
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>="${CATEGORY}"/gcc-4.7:*
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>="${CATEGORY}"/clang-3.5:*
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)
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"
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RDEPEND="${DEPEND}"
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# need full compiler to run tests
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RESTRICT="test"
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QA_FLAGS_IGNORED="usr/lib/rust/${PV}/rustlib/.*/lib/lib.*.so"
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S="${WORKDIR}/${P/-std/c}-src"
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#
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# The cross magic
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#
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export CTARGET=${CTARGET:-${CHOST}}
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if [[ ${CTARGET} == ${CHOST} ]] ; then
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if [[ ${CATEGORY} == cross-* ]] ; then
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export CTARGET=${CATEGORY#cross-}
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fi
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fi
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is_cross() {
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[[ ${CHOST} != ${CTARGET} ]]
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}
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toml_usex() {
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usex "$1" true false
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}
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pkg_pretend() {
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is_cross || die "${PN} should only be used for cross"
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}
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pkg_setup() {
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python-any-r1_pkg_setup
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}
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src_prepare() {
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default
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}
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src_configure() {
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# do the great cleanup
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strip-flags
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filter-flags '-mcpu=*' '-march=*' '-mtune=*' '-m32' '-m64'
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strip-unsupported-flags
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local rust_root x
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rust_root="$(rustc --print sysroot)"
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rtarget="$(rust_abi ${CTARGET})"
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rtarget="${ERUST_STD_RTARGET:-${rtarget}}" # some targets need to be custom.
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rbuild="$(rust_abi ${CBUILD})"
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rhost="$(rust_abi ${CHOST})"
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echo
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for x in CATEGORY rust_root rbuild rhost rtarget RUSTFLAGS CFLAGS CXXFLAGS LDFLAGS; do
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einfo "$(printf '%10s' ${x^^}:) ${!x}"
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done
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cat <<- EOF > "${S}"/config.toml
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[build]
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build = "${rbuild}"
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host = ["${rhost}"]
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target = ["${rtarget}"]
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cargo = "${rust_root}/bin/cargo"
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rustc = "${rust_root}/bin/rustc"
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submodules = false
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python = "${EPYTHON}"
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locked-deps = true
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vendor = true
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extended = true
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verbose = 2
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cargo-native-static = false
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[install]
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prefix = "${EPREFIX}/usr/lib/${PN}/${PV}"
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sysconfdir = "etc"
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docdir = "share/doc/rust"
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bindir = "bin"
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libdir = "lib"
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mandir = "share/man"
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[rust]
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# https://github.com/rust-lang/rust/issues/54872
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codegen-units-std = 1
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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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rpath = false
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dist-src = false
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remap-debuginfo = true
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jemalloc = false
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[dist]
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src-tarball = false
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[target.${rtarget}]
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ar = "$(tc-getAR ${CTARGET})"
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cc = "$(tc-getCC ${CTARGET})"
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cxx = "$(tc-getCXX ${CTARGET})"
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linker = "$(tc-getCC ${CTARGET})"
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ranlib = "$(tc-getRANLIB ${CTARGET})"
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$(usev elibc_musl 'crt-static = false')
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EOF
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einfo "${PN^} configured with the following settings:"
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cat "${S}"/config.toml || die
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}
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src_compile() {
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env RUST_BACKTRACE=1 \
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"${EPYTHON}" ./x.py build -vv --config="${S}"/config.toml -j$(makeopts_jobs) \
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library/std --stage 0 || die
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}
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src_test() {
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ewarn "${PN} can't run tests"
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}
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src_install() {
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local rustlib="lib/rust/${PV}/lib/rustlib"
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dodir "/usr/${rustlib}"
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pushd "build/${rhost}/stage0-sysroot/lib/rustlib" > /dev/null || die
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cp -pPRv "${rtarget}" "${ED}/usr/${rustlib}" || die
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popd > /dev/null || die
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}
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