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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{6,7} )
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="${MY_P}-src.tar.xz"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86"
fi
RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).1"
DESCRIPTION="Systems programming language from Mozilla"
HOMEPAGE="https://www.rust-lang.org/"
SRC_URI="
https://static.rust-lang.org/dist/${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)) )"
COMMON_DEPEND="
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
"
QA_SONAME="usr/lib.*/librustc_macros.*.so"
PATCHES=(
"${FILESDIR}"/1.40.0-add-soname.patch
"${FILESDIR}"/1.42.0-fix-bootstrap.patch
)
S="${WORKDIR}/${MY_P}-src"
toml_usex() {
usex "$1" true false
}
pre_build_checks() {
CHECKREQS_DISK_BUILD="9G"
eshopts_push -s extglob
if is-flagq '-g?(gdb)?([1-9])'; then
CHECKREQS_DISK_BUILD="15G"
fi
eshopts_pop
check-reqs_pkg_setup
}
pkg_pretend() {
pre_build_checks
}
pkg_setup() {
pre_build_checks
python-any-r1_pkg_setup
# use bundled for now, #707746
# will need dev-libs/libgit2 slotted dep if re-enabled
#export LIBGIT2_SYS_USE_PKG_CONFIG=1
export LIBSSH2_SYS_USE_PKG_CONFIG=1
export PKG_CONFIG_ALLOW_CROSS=1
if use system-llvm; then
llvm_pkg_setup
local llvm_config="$(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="${rust_targets#,}"
local extended="true" tools="\"cargo\","
if use clippy; then
tools="\"clippy\",$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 = $(toml_usex debug)
targets = "${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 = ${extended}
tools = [${tools}]
verbose = 2
[install]
prefix = "${EPREFIX}/usr"
libdir = "lib"
docdir = "share/doc/${PF}"
mandir = "share/man"
[rust]
optimize = true
debug = $(toml_usex debug)
debug-assertions = $(toml_usex debug)
default-linker = "$(tc-getCC)"
parallel-compiler = $(toml_usex parallel-compiler)
channel = "$(usex nightly nightly stable)"
rpath = false
lld = $(usex system-llvm false $(toml_usex wasm))
backtrace-on-ice = true
[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)\
"${EPYTHON}" ./x.py build -vv --config="${S}"/config.toml -j$(makeopts_jobs) || 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/$(get_libdir)/" || die
fi
dodoc COPYRIGHT
# note: eselect-rust adds EROOT to all paths below
cat <<-EOF > "${T}/provider-${P}"
/usr/bin/rustdoc
/usr/bin/rust-gdb
/usr/bin/rust-gdbgui
/usr/bin/rust-lldb
EOF
echo /usr/bin/cargo >> "${T}/provider-${P}"
if use clippy; then
echo /usr/bin/clippy-driver >> "${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}."
ewarn "cargo is now installed from dev-lang/rust{,-bin} instead of dev-util/cargo."
ewarn "This might have resulted in a dangling symlink for /usr/bin/cargo on some"
ewarn "systems. This can be resolved by calling 'sudo eselect rust set ${P}'."
if has_version app-editors/emacs; then
elog "install app-emacs/rust-mode to get emacs support for rust."
fi
if has_version app-editors/gvim || has_version app-editors/vim; then
elog "install app-vim/rust-vim to get vim support for rust."
fi
if use elibc_musl; then
ewarn "${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
}
|