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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
LLVM_COMPAT=( 17 )
LLVM_OPTIONAL="yes"
inherit llvm-r1 multilib prefix rust-toolchain toolchain-funcs verify-sig multilib-minimal
MY_P="rust-${PV}"
# curl -L static.rust-lang.org/dist/channel-rust-${PV}.toml 2>/dev/null | grep "xz_url.*rust-src"
MY_SRC_URI="${RUST_TOOLCHAIN_BASEURL%/}/2023-12-07/rust-src-${PV}.tar.xz"
GENTOO_BIN_BASEURI="https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}" # omit leading slash
DESCRIPTION="Language empowering everyone to build reliable and efficient software"
HOMEPAGE="https://www.rust-lang.org/"
SRC_URI="$(rust_all_arch_uris ${MY_P})
rust-src? ( ${MY_SRC_URI} )
"
# Keep this separate to allow easy commenting out if not yet built
SRC_URI+=" sparc? ( ${GENTOO_BIN_BASEURI}/${MY_P}-sparc64-unknown-linux-gnu.tar.xz ) "
#SRC_URI+=" mips? (
# abi_mips_o32? (
# big-endian? ( ${GENTOO_BIN_BASEURI}/${MY_P}-mips-unknown-linux-gnu.tar.xz )
# !big-endian? ( ${GENTOO_BIN_BASEURI}/${MY_P}-mipsel-unknown-linux-gnu.tar.xz )
# )
# abi_mips_n64? (
# big-endian? ( ${GENTOO_BIN_BASEURI}/${MY_P}-mips64-unknown-linux-gnuabi64.tar.xz )
# !big-endian? ( ${GENTOO_BIN_BASEURI}/${MY_P}-mips64el-unknown-linux-gnuabi64.tar.xz )
# )
#)"
LICENSE="|| ( MIT Apache-2.0 ) BSD BSD-1 BSD-2 BSD-4"
SLOT="${PV}"
KEYWORDS="amd64 arm arm64 ~loong ppc ppc64 ~riscv ~s390 sparc x86"
IUSE="big-endian clippy cpu_flags_x86_sse2 doc prefix rust-analyzer rust-src rustfmt"
RDEPEND="
>=app-eselect/eselect-rust-20190311
dev-libs/openssl
sys-apps/lsb-release
sys-devel/gcc:*
!dev-lang/rust:stable
!dev-lang/rust-bin:stable
"
BDEPEND="
prefix? ( dev-util/patchelf )
verify-sig? ( sec-keys/openpgp-keys-rust )
"
REQUIRED_USE="x86? ( cpu_flags_x86_sse2 )"
# stripping rust may break it (at least on x86_64)
# https://github.com/rust-lang/rust/issues/112286
RESTRICT="strip"
QA_PREBUILT="
opt/${P}/bin/.*
opt/${P}/lib/.*.so
opt/${P}/libexec/.*
opt/${P}/lib/rustlib/.*/bin/.*
opt/${P}/lib/rustlib/.*/lib/.*
"
# 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="opt/${P}/lib/rustlib/*/lib*.rlib:lib.rmeta"
VERIFY_SIG_OPENPGP_KEY_PATH="/usr/share/openpgp-keys/rust.asc"
pkg_pretend() {
if [[ "$(tc-is-softfloat)" != "no" ]] && [[ ${CHOST} == armv7* ]]; then
die "${CHOST} is not supported by upstream Rust. You must use a hard float version."
fi
}
src_unpack() {
# sadly rust-src tarball does not have corresponding .asc file
# so do partial verification
if use verify-sig; then
for f in ${A}; do
if [[ -f ${DISTDIR}/${f}.asc ]]; then
verify-sig_verify_detached "${DISTDIR}/${f}" "${DISTDIR}/${f}.asc"
fi
done
fi
default_src_unpack
mv "${WORKDIR}/${MY_P}-$(rust_abi)" "${S}" || die
}
patchelf_for_bin() {
local filetype=$(file -b ${1})
if [[ ${filetype} == *ELF*interpreter* ]]; then
einfo "${1}'s interpreter changed"
patchelf ${1} --set-interpreter ${2} || die
elif [[ ${filetype} == *script* ]]; then
hprefixify ${1}
fi
}
multilib_src_install() {
if multilib_is_native_abi; then
# start native abi install
pushd "${S}" >/dev/null || die
local analysis std
analysis="$(grep 'analysis' ./components)"
std="$(grep 'std' ./components)"
local components="rustc,cargo,${std}"
use doc && components="${components},rust-docs"
use clippy && components="${components},clippy-preview"
use rustfmt && components="${components},rustfmt-preview"
use rust-analyzer && components="${components},rust-analyzer-preview,${analysis}"
# Rust component 'rust-src' is extracted from separate archive
if use rust-src; then
einfo "Combining rust and rust-src installers"
mv -v "${WORKDIR}/rust-src-${PV}/rust-src" "${S}" || die
echo rust-src >> ./components || die
components="${components},rust-src"
fi
./install.sh \
--components="${components}" \
--disable-verify \
--prefix="${ED}/opt/${P}" \
--mandir="${ED}/opt/${P}/man" \
--disable-ldconfig \
|| die
if use prefix; then
local interpreter=$(patchelf --print-interpreter "${EPREFIX}/bin/bash")
ebegin "Changing interpreter to ${interpreter} for Gentoo prefix at ${ED}/opt/${P}/bin"
find "${ED}/opt/${P}/bin" -type f -print0 | \
while IFS= read -r -d '' filename; do
patchelf_for_bin ${filename} ${interpreter} \; || die
done
eend ${PIPESTATUS[0]}
fi
local symlinks=(
cargo
rustc
rustdoc
rust-gdb
rust-gdbgui
rust-lldb
)
use clippy && symlinks+=( clippy-driver cargo-clippy )
use rustfmt && symlinks+=( rustfmt cargo-fmt )
use rust-analyzer && symlinks+=( rust-analyzer )
einfo "installing eselect-rust symlinks and paths"
local i
for i in "${symlinks[@]}"; do
# we need realpath on /usr/bin/* symlink return version-appended binary path.
# so /usr/bin/rustc should point to /opt/rust-bin-<ver>/bin/rustc-<ver>
local ver_i="${i}-bin-${PV}"
ln -v "${ED}/opt/${P}/bin/${i}" "${ED}/opt/${P}/bin/${ver_i}" || die
dosym "../../opt/${P}/bin/${ver_i}" "/usr/bin/${ver_i}"
done
# symlinks to switch components to active rust in eselect
dosym "../../../opt/${P}/lib" "/usr/lib/rust/lib-bin-${PV}"
dosym "../../../opt/${P}/man" "/usr/lib/rust/man-bin-${PV}"
dosym "../../opt/${P}/lib/rustlib" "/usr/lib/rustlib-bin-${PV}"
dosym "../../../opt/${P}/share/doc/rust" "/usr/share/doc/${P}"
# make all capital underscored variable
local CARGO_TRIPLET="$(rust_abi)"
CARGO_TRIPLET="${CARGO_TRIPLET//-/_}"
CARGO_TRIPLET="${CARGO_TRIPLET^^}"
cat <<-_EOF_ > "${T}/50${P}"
LDPATH="${EPREFIX}/usr/lib/rust/lib-bin-${PV}"
MANPATH="${EPREFIX}/usr/lib/rust/man-bin-${PV}"
$(usev elibc_musl "CARGO_TARGET_${CARGO_TRIPLET}_RUSTFLAGS=\"-C target-feature=-crt-static\"")
_EOF_
doenvd "${T}/50${P}"
# 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/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 rustfmt; then
echo /usr/bin/rustfmt >> "${T}/provider-${P}"
echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
fi
if use rust-analyzer; then
echo /usr/bin/rust-analyzer >> "${T}/provider-${P}"
fi
insinto /etc/env.d/rust
doins "${T}/provider-${P}"
popd >/dev/null || die
#end native abi install
else
local rust_target
rust_target="$(rust_abi $(get_abi_CHOST ${v##*.}))"
dodir "/opt/${P}/lib/rustlib"
cp -vr "${WORKDIR}/rust-${PV}-${rust_target}/rust-std-${rust_target}/lib/rustlib/${rust_target}"\
"${ED}/opt/${P}/lib/rustlib" || die
fi
# BUG: installs x86_64 binary on other arches
rm -f "${ED}/opt/${P}/lib/rustlib/"*/bin/rust-llvm-dwp || die
}
pkg_postinst() {
eselect rust update
if has_version dev-debug/gdb || has_version llvm-core/lldb; then
elog "Rust installs helper scripts for calling GDB and LLDB,"
elog "for convenience they are installed under /usr/bin/rust-{gdb,lldb}-${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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