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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python2_7 )
inherit 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="${BETA_SNAPSHOT}/rustc-beta-src.tar.gz"
KEYWORDS=""
else
ABI_VER="$(get_version_component_range 1-2)"
SLOT="stable/${ABI_VER}"
MY_P="rustc-${PV}"
SRC="${MY_P}-src.tar.gz"
KEYWORDS="~amd64 ~x86"
fi
CARGO_VERSION="0.$(($(get_version_component_range 2) + 1)).0"
STAGE0_VERSION="1.$(($(get_version_component_range 2) - 1)).0"
RUST_STAGE0_amd64="rustc-${STAGE0_VERSION}-x86_64-unknown-linux-gnu"
RUST_STAGE0_x86="rustc-${STAGE0_VERSION}-i686-unknown-linux-gnu"
DESCRIPTION="Systems programming language from Mozilla"
HOMEPAGE="http://www.rust-lang.org/"
SRC_URI="https://static.rust-lang.org/dist/${SRC} -> rustc-${PV}-src.tar.gz
amd64? ( https://static.rust-lang.org/dist/${RUST_STAGE0_amd64}.tar.gz )
x86? ( https://static.rust-lang.org/dist/${RUST_STAGE0_x86}.tar.gz )
"
LICENSE="|| ( MIT Apache-2.0 ) BSD-1 BSD-2 BSD-4 UoI-NCSA"
IUSE="clang debug doc libcxx +system-llvm"
REQUIRED_USE="libcxx? ( clang )"
RDEPEND="libcxx? ( sys-libs/libcxx )
system-llvm? ( >=sys-devel/llvm-3.8.1-r2:0
<sys-devel/llvm-3.10.0:0 )
"
DEPEND="${RDEPEND}
${PYTHON_DEPS}
>=dev-lang/perl-5.0
clang? ( sys-devel/clang )
"
PDEPEND=">=app-eselect/eselect-rust-0.3_pre20150425
>=dev-util/cargo-${CARGO_VERSION}"
S="${WORKDIR}/${MY_P}"
src_prepare() {
find mk -name '*.mk' -exec \
sed -i -e "s/-Werror / /g" {} \; || die
default
}
src_configure() {
export CFG_DISABLE_LDCONFIG="notempty"
local stagename="RUST_STAGE0_${ARCH}"
local stage0="${!stagename}"
"${ECONF_SOURCE:-.}"/configure \
--prefix="${EPREFIX}/usr" \
--libdir="${EPREFIX}/usr/$(get_libdir)/${P}" \
--mandir="${EPREFIX}/usr/share/${P}/man" \
--release-channel=${SLOT%%/*} \
--disable-manage-submodules \
--default-linker=$(tc-getBUILD_CC) \
--default-ar=$(tc-getBUILD_AR) \
--python=${EPYTHON} \
--disable-rpath \
--enable-local-rust \
--local-rust-root="${WORKDIR}/${stage0}/rustc" \
$(use_enable clang) \
$(use_enable debug) \
$(use_enable debug llvm-assertions) \
$(use_enable !debug optimize) \
$(use_enable !debug optimize-cxx) \
$(use_enable !debug optimize-llvm) \
$(use_enable !debug optimize-tests) \
$(use_enable doc docs) \
$(use_enable libcxx libcpp) \
$(usex system-llvm "--llvm-root=${EPREFIX}/usr" " ") \
|| die
}
src_compile() {
emake VERBOSE=1
}
src_install() {
unset SUDO_USER
default
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-${PV}" || die
dodoc COPYRIGHT
dodir "/usr/share/doc/rust-${PV}/"
mv "${D}/usr/share/doc/rust"/* "${D}/usr/share/doc/rust-${PV}/" || die
rmdir "${D}/usr/share/doc/rust/" || die
cat <<-EOF > "${T}"/50${P}
LDPATH="/usr/$(get_libdir)/${P}"
MANPATH="/usr/share/${P}/man"
EOF
doenvd "${T}"/50${P}
cat <<-EOF > "${T}/provider-${P}"
/usr/bin/rustdoc
/usr/bin/rust-gdb
EOF
dodir /etc/env.d/rust
insinto /etc/env.d/rust
doins "${T}/provider-${P}"
}
pkg_postinst() {
eselect rust update --if-unset
elog "Rust installs a helper script for calling GDB now,"
elog "for your convenience it is installed under /usr/bin/rust-gdb-${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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