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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit bash-completion-r1 rust-toolchain toolchain-funcs
MY_P="rust-${PV}"
DESCRIPTION="Systems programming language from Mozilla"
HOMEPAGE="https://www.rust-lang.org/"
SRC_URI="$(rust_all_arch_uris ${MY_P})"
LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
SLOT="stable"
KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
IUSE="clippy cpu_flags_x86_sse2 doc libressl rustfmt"
DEPEND=""
RDEPEND=">=app-eselect/eselect-rust-20190311
sys-libs/zlib
!libressl? ( dev-libs/openssl:0= )
libressl? ( dev-libs/libressl:0= )
net-libs/libssh2
net-misc/curl[ssl]
!dev-lang/rust:0
!dev-util/cargo
rustfmt? ( !dev-util/rustfmt )"
REQUIRED_USE="x86? ( cpu_flags_x86_sse2 )"
QA_PREBUILT="
opt/${P}/bin/*-${PV}
opt/${P}/lib/*.so
opt/${P}/lib/rustlib/*/bin/*
opt/${P}/lib/rustlib/*/lib/*.so
opt/${P}/lib/rustlib/*/lib/*.rlib*
"
pkg_pretend() {
if [[ "$(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() {
default
mv "${WORKDIR}/${MY_P}-$(rust_abi)" "${S}" || die
}
src_install() {
local std=$(grep 'std' ./components)
local components="rustc,cargo,${std}"
use doc && components="${components},rust-docs"
use clippy && components="${components},clippy-preview"
use rustfmt && components="${components},rustfmt-preview"
./install.sh \
--components="${components}" \
--disable-verify \
--prefix="${ED}/opt/${P}" \
--mandir="${ED}/usr/share/${P}/man" \
--disable-ldconfig \
|| die
local rustc=rustc-bin-${PV}
local rustdoc=rustdoc-bin-${PV}
local rustgdb=rust-gdb-bin-${PV}
local rustgdbgui=rust-gdbgui-bin-${PV}
local rustlldb=rust-lldb-bin-${PV}
mv "${ED}/opt/${P}/bin/rustc" "${ED}/opt/${P}/bin/${rustc}" || die
mv "${ED}/opt/${P}/bin/rustdoc" "${ED}/opt/${P}/bin/${rustdoc}" || die
mv "${ED}/opt/${P}/bin/rust-gdb" "${ED}/opt/${P}/bin/${rustgdb}" || die
mv "${ED}/opt/${P}/bin/rust-gdbgui" "${ED}/opt/${P}/bin/${rustgdbgui}" || die
mv "${ED}/opt/${P}/bin/rust-lldb" "${ED}/opt/${P}/bin/${rustlldb}" || die
dosym "${rustc}" "/opt/${P}/bin/rustc"
dosym "${rustdoc}" "/opt/${P}/bin/rustdoc"
dosym "${rustgdb}" "/opt/${P}/bin/rust-gdb"
dosym "${rustgdbgui}" "/opt/${P}/bin/rust-gdbgui"
dosym "${rustlldb}" "/opt/${P}/bin/rust-lldb"
dosym "../../opt/${P}/bin/${rustc}" "/usr/bin/${rustc}"
dosym "../../opt/${P}/bin/${rustdoc}" "/usr/bin/${rustdoc}"
dosym "../../opt/${P}/bin/${rustgdb}" "/usr/bin/${rustgdb}"
dosym "../../opt/${P}/bin/${rustgdbgui}" "/usr/bin/${rustgdbgui}"
dosym "../../opt/${P}/bin/${rustlldb}" "/usr/bin/${rustlldb}"
local cargo=cargo-bin-${PV}
mv "${ED}/opt/${P}/bin/cargo" "${ED}/opt/${P}/bin/${cargo}" || die
dosym "${cargo}" "/opt/${P}/bin/cargo"
dosym "../../opt/${P}/bin/${cargo}" "/usr/bin/${cargo}"
if use clippy; then
local clippy_driver=clippy-driver-bin-${PV}
local cargo_clippy=cargo-clippy-bin-${PV}
mv "${ED}/opt/${P}/bin/clippy-driver" "${ED}/opt/${P}/bin/${clippy_driver}" || die
mv "${ED}/opt/${P}/bin/cargo-clippy" "${ED}/opt/${P}/bin/${cargo_clippy}" || die
dosym "${clippy_driver}" "/opt/${P}/bin/clippy-driver"
dosym "${cargo_clippy}" "/opt/${P}/bin/cargo-clippy"
dosym "../../opt/${P}/bin/${clippy_driver}" "/usr/bin/${clippy_driver}"
dosym "../../opt/${P}/bin/${cargo_clippy}" "/usr/bin/${cargo_clippy}"
fi
if use rustfmt; then
local rustfmt=rustfmt-bin-${PV}
local cargo_fmt=cargo-fmt-bin-${PV}
mv "${ED}/opt/${P}/bin/rustfmt" "${ED}/opt/${P}/bin/${rustfmt}" || die
mv "${ED}/opt/${P}/bin/cargo-fmt" "${ED}/opt/${P}/bin/${cargo_fmt}" || die
dosym "${rustfmt}" "/opt/${P}/bin/rustfmt"
dosym "${cargo_fmt}" "/opt/${P}/bin/cargo-fmt"
dosym "../../opt/${P}/bin/${rustfmt}" "/usr/bin/${rustfmt}"
dosym "../../opt/${P}/bin/${cargo_fmt}" "/usr/bin/${cargo_fmt}"
fi
cat <<-EOF > "${T}"/50${P}
LDPATH="/opt/${P}/lib"
MANPATH="/usr/share/${P}/man"
EOF
doenvd "${T}"/50${P}
# 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 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 now,"
elog "for your convenience it is installed under /usr/bin/rust-gdb-bin-${PV},"
if has_version app-editors/emacs; then
elog "install app-emacs/rust-mode to get emacs support for rust."
fi
if has_version app-editors/gvim || has_version app-editors/vim; then
elog "install app-vim/rust-vim to get vim support for rust."
fi
if use elibc_musl; then
ewarn "${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
}
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