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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python{2_7,3_5,3_6} )
inherit multiprocessing python-any-r1 versionator 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="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz"
KEYWORDS=""
else
ABI_VER="$(get_version_component_range 1-2)"
SLOT="stable/${ABI_VER}"
MY_P="rustc-${PV}"
SRC="${MY_P}-src.tar.xz"
KEYWORDS="~amd64 ~arm64 ~x86"
fi
CHOST_amd64=x86_64-unknown-linux-gnu
CHOST_x86=i686-unknown-linux-gnu
CHOST_arm64=aarch64-unknown-linux-gnu
RUST_STAGE0_VERSION="1.$(($(get_version_component_range 2) - 1)).0"
RUST_STAGE0_amd64="rust-${RUST_STAGE0_VERSION}-${CHOST_amd64}"
RUST_STAGE0_x86="rust-${RUST_STAGE0_VERSION}-${CHOST_x86}"
RUST_STAGE0_arm64="rust-${RUST_STAGE0_VERSION}-${CHOST_arm64}"
CARGO_DEPEND_VERSION="0.$(($(get_version_component_range 2) + 1)).0"
DESCRIPTION="Systems programming language from Mozilla"
HOMEPAGE="http://www.rust-lang.org/"
SRC_URI="https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.xz
amd64? ( https://static.rust-lang.org/dist/${RUST_STAGE0_amd64}.tar.xz )
x86? ( https://static.rust-lang.org/dist/${RUST_STAGE0_x86}.tar.xz )
arm64? ( https://static.rust-lang.org/dist/${RUST_STAGE0_arm64}.tar.xz )
"
ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
NVPTX PowerPC Sparc SystemZ 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="debug doc extended +jemalloc ${ALL_LLVM_TARGETS[*]}"
RDEPEND=">=app-eselect/eselect-rust-0.3_pre20150425
jemalloc? ( dev-libs/jemalloc )"
DEPEND="${RDEPEND}
${PYTHON_DEPS}
|| (
>=sys-devel/gcc-4.7
>=sys-devel/clang-3.5
)
dev-util/cmake
"
PDEPEND="!extended? ( >=dev-util/cargo-${CARGO_DEPEND_VERSION} )"
REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )"
S="${WORKDIR}/${MY_P}-src"
toml_usex() {
usex "$1" true false
}
src_prepare() {
local rust_stage0_root="${WORKDIR}"/rust-stage0
local rust_stage0_name="RUST_STAGE0_${ARCH}"
local rust_stage0="${!rust_stage0_name}"
"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig --destdir="${rust_stage0_root}" --prefix=/ || die
default
}
src_configure() {
local rust_stage0_root="${WORKDIR}"/rust-stage0
local rust_target_name="CHOST_${ARCH}"
local rust_target="${!rust_target_name}"
cat <<- EOF > "${S}"/config.toml
[llvm]
optimize = $(toml_usex !debug)
release-debuginfo = $(toml_usex debug)
assertions = $(toml_usex debug)
targets = "${LLVM_TARGETS// /;}"
[build]
build = "${rust_target}"
host = ["${rust_target}"]
target = ["${rust_target}"]
cargo = "${rust_stage0_root}/bin/cargo"
rustc = "${rust_stage0_root}/bin/rustc"
docs = $(toml_usex doc)
submodules = false
python = "${EPYTHON}"
locked-deps = true
vendor = true
verbose = 2
extended = $(toml_usex extended)
[install]
prefix = "${EPREFIX}/usr"
libdir = "$(get_libdir)"
docdir = "share/doc/${P}"
mandir = "share/${P}/man"
[rust]
optimize = $(toml_usex !debug)
debuginfo = $(toml_usex debug)
debug-assertions = $(toml_usex debug)
use-jemalloc = $(toml_usex jemalloc)
default-linker = "$(tc-getCC)"
rpath = false
[target.${rust_target}]
cc = "$(tc-getBUILD_CC)"
cxx = "$(tc-getBUILD_CXX)"
linker = "$(tc-getCC)"
ar = "$(tc-getAR)"
EOF
}
src_compile() {
./x.py build --verbose --config="${S}"/config.toml -j$(makeopts_jobs) || die
}
src_install() {
env DESTDIR="${D}" ./x.py install || die
mv "${D}/usr/bin/rustc" "${D}/usr/bin/rustc-${PV}" || die
mv "${D}/usr/bin/rustdoc" "${D}/usr/bin/rustdoc-${PV}" || die
mv "${D}/usr/bin/rust-gdb" "${D}/usr/bin/rust-gdb-${PV}" || die
mv "${D}/usr/bin/rust-lldb" "${D}/usr/bin/rust-lldb-${PV}" || die
dodoc COPYRIGHT
cat <<-EOF > "${T}"/50${P}
LDPATH="/usr/$(get_libdir)/${P}"
MANPATH="/usr/share/${P}/man"
EOF
doenvd "${T}"/50${P}
cat <<-EOF > "${T}/provider-${P}"
/usr/bin/rustdoc
/usr/bin/rust-gdb
/usr/bin/rust-lldb
EOF
dodir /etc/env.d/rust
insinto /etc/env.d/rust
doins "${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 || has_version app-editors/emacs-vcs; 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 has_version 'app-shells/zsh'; then
elog "install app-shells/rust-zshcomp to get zsh completion for rust."
fi
}
pkg_postrm() {
eselect rust unset --if-invalid
}
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