# Copyright 1999-2023 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @ECLASS: rust-toolchain.eclass # @MAINTAINER: # Rust Project <rust@gentoo.org> # @SUPPORTED_EAPIS: 8 # @BLURB: helps map gentoo arches to rust ABIs # @DESCRIPTION: # This eclass contains a src_unpack default phase function, and # helper functions, to aid in proper rust-ABI handling for various # gentoo arches. case ${EAPI} in 8) ;; *) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;; esac inherit multilib-build # @ECLASS_VARIABLE: RUST_TOOLCHAIN_BASEURL # @DESCRIPTION: # This variable specifies the base URL used by the # rust_arch_uri and rust_all_arch_uris functions when # generating the URI output list. : "${RUST_TOOLCHAIN_BASEURL:=https://static.rust-lang.org/dist/}" # @FUNCTION: rust_abi # @USAGE: [CHOST-value] # @DESCRIPTION: # Outputs the Rust ABI name from a CHOST value, uses CHOST in the # environment if none is specified. rust_abi() { local CTARGET=${1:-${CHOST}} case ${CTARGET%%*-} in aarch64*gnu) echo aarch64-unknown-linux-gnu;; aarch64*musl) echo aarch64-unknown-linux-musl;; armv6j*h*) echo arm-unknown-linux-gnueabihf;; armv6j*s*) echo arm-unknown-linux-gnueabi;; armv7a*h*) echo armv7-unknown-linux-gnueabihf;; i?86*) echo i686-unknown-linux-gnu;; loongarch64*) echo loongarch64-unknown-linux-gnu;; mips64el*) echo mips64el-unknown-linux-gnuabi64;; mips64*) echo mips64-unknown-linux-gnuabi64;; mipsel*) echo mipsel-unknown-linux-gnu;; mips*) echo mips-unknown-linux-gnu;; powerpc64le*) echo powerpc64le-unknown-linux-gnu;; powerpc64*) echo powerpc64-unknown-linux-gnu;; powerpc*) echo powerpc-unknown-linux-gnu;; riscv64*) echo riscv64gc-unknown-linux-gnu;; s390x*) echo s390x-unknown-linux-gnu;; x86_64*gnu) echo x86_64-unknown-linux-gnu;; x86_64*musl) echo x86_64-unknown-linux-musl;; *) echo ${CTARGET};; esac } # @FUNCTION: rust_all_abis # @DESCRIPTION: # Outputs a list of all the enabled Rust ABIs rust_all_abis() { if use multilib; then local abi local ALL_ABIS=() for abi in $(multilib_get_enabled_abis); do ALL_ABIS+=( $(rust_abi $(get_abi_CHOST ${abi})) ) done local abi_list IFS=, eval 'abi_list=${ALL_ABIS[*]}' echo ${abi_list} else rust_abi fi } # @FUNCTION: rust_arch_uri # @USAGE: <rust-ABI> <base-uri> [alt-distfile-basename] # @DESCRIPTION: # Output the URI for use in SRC_URI, combining $RUST_TOOLCHAIN_BASEURL # and the URI suffix provided in ARG2 with the rust ABI in ARG1, and # optionally renaming to the distfile basename specified in ARG3. # # @EXAMPLE: # SRC_URI="amd64? ( # $(rust_arch_uri x86_64-unknown-linux-gnu rustc-${STAGE0_VERSION}) # )" # rust_arch_uri() { if [ -n "$3" ]; then echo "${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.xz -> ${3}-${1}.tar.xz" else echo "${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.xz" echo "verify-sig? ( ${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.xz.asc )" fi } # @FUNCTION: rust_all_arch_uris # @USAGE: <base-uri> [alt-distfile-basename] # @DESCRIPTION: # Outputs the URIs for SRC_URI to help fetch dependencies, using a base URI # provided as an argument. Optionally allows for distfile renaming via a specified # basename. # # @EXAMPLE: # SRC_URI="$(rust_all_arch_uris rustc-${STAGE0_VERSION})" # rust_all_arch_uris() { echo " abi_x86_32? ( $(rust_arch_uri i686-unknown-linux-gnu "$@") ) abi_x86_64? ( elibc_glibc? ( $(rust_arch_uri x86_64-unknown-linux-gnu "$@") ) elibc_musl? ( $(rust_arch_uri x86_64-unknown-linux-musl "$@") ) ) arm? ( $(rust_arch_uri arm-unknown-linux-gnueabi "$@") $(rust_arch_uri arm-unknown-linux-gnueabihf "$@") $(rust_arch_uri armv7-unknown-linux-gnueabihf "$@") ) arm64? ( elibc_glibc? ( $(rust_arch_uri aarch64-unknown-linux-gnu "$@") ) elibc_musl? ( $(rust_arch_uri aarch64-unknown-linux-musl "$@") ) ) ppc? ( $(rust_arch_uri powerpc-unknown-linux-gnu "$@") ) ppc64? ( big-endian? ( $(rust_arch_uri powerpc64-unknown-linux-gnu "$@") ) !big-endian? ( $(rust_arch_uri powerpc64le-unknown-linux-gnu "$@") ) ) riscv? ( $(rust_arch_uri riscv64gc-unknown-linux-gnu "$@") ) s390? ( $(rust_arch_uri s390x-unknown-linux-gnu "$@") ) " # Upstream did not gain support for loong until v1.71.0. # NOTE: Merge this into the block above after every <1.71.0 version is # gone from tree. local arg_version="${1##*-}" arg_version="${arg_version:-$PV}" if ver_test "${arg_version}" -ge 1.71.0; then echo "loong? ( $(rust_arch_uri loongarch64-unknown-linux-gnu "$@") )" fi # until https://github.com/rust-lang/rust/pull/113274 is resolved, there # will not be upstream-built mips artifacts if ver_test "${arg_version}" -lt 1.72.0; then echo "mips? ( abi_mips_o32? ( big-endian? ( $(rust_arch_uri mips-unknown-linux-gnu "$@") ) !big-endian? ( $(rust_arch_uri mipsel-unknown-linux-gnu "$@") ) ) abi_mips_n64? ( big-endian? ( $(rust_arch_uri mips64-unknown-linux-gnuabi64 "$@") ) !big-endian? ( $(rust_arch_uri mips64el-unknown-linux-gnuabi64 "$@") ) ) )" fi }