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Gentoo's Bugzilla – Attachment 549192 Details for
Bug 609654
dev-lang/rust: Keyword request
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New toolchain eclass by AxS
rust-toolchain.eclass.txt (text/plain), 3.86 KB, created by
Dirkjan Ochtman (RETIRED)
on 2018-10-03 18:02:53 UTC
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Description:
New toolchain eclass by AxS
Filename:
MIME Type:
Creator:
Dirkjan Ochtman (RETIRED)
Created:
2018-10-03 18:02:53 UTC
Size:
3.86 KB
patch
obsolete
># Copyright 1999-2018 Gentoo Foundation ># Distributed under the terms of the GNU General Public License v2 > ># @ECLASS: rust-toolchain.eclass ># @MAINTAINER: ># Rust Project <rust@gentoo.org> ># @SUPPORTED_EAPIS: 6 ># @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 ${EAPI} in > 6) : ;; > *) die "EAPI=${EAPI:-0} is 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*) echo aarch64-unknown-linux-gnu;; > mips64*) echo mips64-unknown-linux-gnuabi64;; > powerpc64le*) echo powerpc64le-unknown-linux-gnu;; > powerpc64*) echo powerpc64-unknown-linux-gnu;; > x86_64*) echo x86_64-unknown-linux-gnu;; > armv[67]*) echo arm-unknown-linux-gnueabihf;; > arm*) echo arm-unknown-linux-gnueabi;; > i?86*) echo i686-unknown-linux-gnu;; > mipsel*) echo mipsel-unknown-linux-gnu;; > mips*) echo mips-unknown-linux-gnu;; > powerpc*) echo powerpc-unknown-linux-gnu;; > s390x*) echo s390x-unknown-linux-gnu;; > *) 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.gz -> ${3}-${1}.tar.gz" > else > echo "${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.gz" > fi >} > ># @FUNCTION: rust_all_arch_uris ># @USAGE <base-uri> [alt-distfile-basename] ># @DESCRIPTION: ># Outputs the URIs for SRC_URI to help fetch dependencies, using a base URI ># provided as an argument. Optionally allows for distfile renaming via a specified ># basename. ># ># @EXAMPLE: ># SRC_URI="$(rust_all_arch_uris rustc-${STAGE0_VERSION})" ># >rust_all_arch_uris() >{ > local uris="" > uris+="amd64? ( $(rust_arch_uri x86_64-unknown-linux-gnu "$@") ) " > uris+="arm? ( $(rust_arch_uri arm-unknown-linux-gnueabi "$@") > $(rust_arch_uri arm-unknown-linux-gnueabihf "$@") ) " > uris+="arm64? ( $(rust_arch_uri aarch64-unknown-linux-gnu "$@") ) " > uris+="mips? ( $(rust_arch_uri mips-unknown-linux-gnu "$@") > $(rust_arch_uri mipsel-unknown-linux-gnu "$@") > $(rust_arch_uri mips64-unknown-linux-gnuabi64 "$@") ) " > uris+="ppc? ( $(rust_arch_uri powerpc-unknown-linux-gnu "$@") ) " > uris+="ppc64? ( $(rust_arch_uri powerpc64-unknown-linux-gnu "$@") > $(rust_arch_uri powerpc64le-unknown-linux-gnu "$@") ) " > uris+="s390? ( $(rust_arch_uri s390x-unknown-linux-gnu "$@") ) " > uris+="x86? ( $(rust_arch_uri i686-unknown-linux-gnu "$@") ) " > echo "${uris}" >}
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