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123 lines
4.1 KiB
123 lines
4.1 KiB
# Copyright 1999-2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: rust-toolchain.eclass
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# @MAINTAINER:
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# Rust Project <rust@gentoo.org>
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# @SUPPORTED_EAPIS: 6 7
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# @BLURB: helps map gentoo arches to rust ABIs
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# @DESCRIPTION:
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# This eclass contains a src_unpack default phase function, and
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# helper functions, to aid in proper rust-ABI handling for various
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# gentoo arches.
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case ${EAPI} in
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6) : ;;
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7) : ;;
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*) die "EAPI=${EAPI:-0} is not supported" ;;
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esac
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inherit multilib-build
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# @ECLASS-VARIABLE: RUST_TOOLCHAIN_BASEURL
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# @DESCRIPTION:
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# This variable specifies the base URL used by the
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# rust_arch_uri and rust_all_arch_uris functions when
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# generating the URI output list.
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: ${RUST_TOOLCHAIN_BASEURL:=https://static.rust-lang.org/dist/}
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# @FUNCTION: rust_abi
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# @USAGE: [CHOST-value]
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# @DESCRIPTION:
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# Outputs the Rust ABI name from a CHOST value, uses CHOST in the
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# environment if none is specified.
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rust_abi() {
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local CTARGET=${1:-${CHOST}}
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case ${CTARGET%%*-} in
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aarch64*) echo aarch64-unknown-linux-gnu;;
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mips64*) echo mips64-unknown-linux-gnuabi64;;
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powerpc64le*) echo powerpc64le-unknown-linux-gnu;;
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powerpc64*) echo powerpc64-unknown-linux-gnu;;
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x86_64*gnu) echo x86_64-unknown-linux-gnu;;
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x86_64*musl) echo x86_64-unknown-linux-musl;;
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armv6j*s*) echo arm-unknown-linux-gnueabi;;
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armv6j*h*) echo arm-unknown-linux-gnueabihf;;
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armv7a*h*) echo armv7-unknown-linux-gnueabihf;;
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i?86*) echo i686-unknown-linux-gnu;;
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mipsel*) echo mipsel-unknown-linux-gnu;;
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mips*) echo mips-unknown-linux-gnu;;
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powerpc*) echo powerpc-unknown-linux-gnu;;
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s390x*) echo s390x-unknown-linux-gnu;;
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*) echo ${CTARGET};;
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esac
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}
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# @FUNCTION: rust_all_abis
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# @DESCRIPTION:
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# Outputs a list of all the enabled Rust ABIs
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rust_all_abis() {
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if use multilib; then
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local abi
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local ALL_ABIS=()
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for abi in $(multilib_get_enabled_abis); do
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ALL_ABIS+=( $(rust_abi $(get_abi_CHOST ${abi})) )
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done
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local abi_list
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IFS=, eval 'abi_list=${ALL_ABIS[*]}'
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echo ${abi_list}
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else
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rust_abi
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fi
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}
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# @FUNCTION: rust_arch_uri
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# @USAGE: <rust-ABI> <base-uri> [alt-distfile-basename]
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# @DESCRIPTION:
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# Output the URI for use in SRC_URI, combining $RUST_TOOLCHAIN_BASEURL
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# and the URI suffix provided in ARG2 with the rust ABI in ARG1, and
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# optionally renaming to the distfile basename specified in ARG3.
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#
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# @EXAMPLE:
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# SRC_URI="amd64? (
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# $(rust_arch_uri x86_64-unknown-linux-gnu rustc-${STAGE0_VERSION})
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# )"
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#
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rust_arch_uri() {
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if [ -n "$3" ]; then
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echo "${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.xz -> ${3}-${1}.tar.xz"
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else
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echo "${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.xz"
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fi
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}
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# @FUNCTION: rust_all_arch_uris
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# @USAGE: <base-uri> [alt-distfile-basename]
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# @DESCRIPTION:
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# Outputs the URIs for SRC_URI to help fetch dependencies, using a base URI
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# provided as an argument. Optionally allows for distfile renaming via a specified
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# basename.
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#
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# @EXAMPLE:
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# SRC_URI="$(rust_all_arch_uris rustc-${STAGE0_VERSION})"
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#
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rust_all_arch_uris()
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{
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local uris=""
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uris+="abi_x86_64? ( elibc_glibc? ( $(rust_arch_uri x86_64-unknown-linux-gnu "$@") )
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elibc_musl? ( $(rust_arch_uri x86_64-unknown-linux-musl "$@") ) ) "
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uris+="arm? ( $(rust_arch_uri arm-unknown-linux-gnueabi "$@")
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$(rust_arch_uri arm-unknown-linux-gnueabihf "$@")
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$(rust_arch_uri armv7-unknown-linux-gnueabihf "$@") ) "
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uris+="arm64? ( $(rust_arch_uri aarch64-unknown-linux-gnu "$@") ) "
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uris+="mips? ( $(rust_arch_uri mips-unknown-linux-gnu "$@")
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$(rust_arch_uri mipsel-unknown-linux-gnu "$@")
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$(rust_arch_uri mips64-unknown-linux-gnuabi64 "$@") ) "
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uris+="ppc? ( $(rust_arch_uri powerpc-unknown-linux-gnu "$@") ) "
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uris+="ppc64? ( $(rust_arch_uri powerpc64-unknown-linux-gnu "$@")
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$(rust_arch_uri powerpc64le-unknown-linux-gnu "$@") ) "
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uris+="s390? ( $(rust_arch_uri s390x-unknown-linux-gnu "$@") ) "
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uris+="abi_x86_32? ( $(rust_arch_uri i686-unknown-linux-gnu "$@") ) "
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echo "${uris}"
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}
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