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143 lines
4.9 KiB
143 lines
4.9 KiB
# Copyright 1999-2024 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: 8
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# @BLURB: helps map gentoo arches to rust ABIs
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# @DESCRIPTION:
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# This eclass contains helper functions, to aid in proper rust-ABI handling for
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# various gentoo arches.
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case ${EAPI} in
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8) ;;
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*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
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esac
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# @ECLASS_VARIABLE: RUST_TOOLCHAIN_BASEURL
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# @DESCRIPTION:
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# This variable specifies the base URL used by the
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# rust_arch_uri and rust_all_arch_uris functions when
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# generating the URI output list.
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: "${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*gnu) echo aarch64-unknown-linux-gnu;;
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aarch64*musl) echo aarch64-unknown-linux-musl;;
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armv6j*h*) echo arm-unknown-linux-gnueabihf;;
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armv6j*s*) echo arm-unknown-linux-gnueabi;;
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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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loongarch64*) echo loongarch64-unknown-linux-gnu;;
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mips64el*) echo mips64el-unknown-linux-gnuabi64;;
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mips64*) echo mips64-unknown-linux-gnuabi64;;
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mipsel*) echo mipsel-unknown-linux-gnu;;
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mips*) echo mips-unknown-linux-gnu;;
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powerpc64le*gnu) echo powerpc64le-unknown-linux-gnu;;
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powerpc64le*musl) echo powerpc64le-unknown-linux-musl;;
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powerpc64*gnu) echo powerpc64-unknown-linux-gnu;;
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powerpc64*musl) echo powerpc64-unknown-linux-musl;;
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powerpc*gnu) echo powerpc-unknown-linux-gnu;;
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powerpc*musl) echo powerpc-unknown-linux-musl;;
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riscv64*gnu) echo riscv64gc-unknown-linux-gnu;;
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riscv64*musl) echo riscv64gc-unknown-linux-musl;;
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s390x*) echo s390x-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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*) echo ${CTARGET};;
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esac
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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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echo "verify-sig? ( ${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.xz.asc )"
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fi
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}
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# @FUNCTION: rust_all_arch_uris
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# @USAGE: <base-uri> [alt-distfile-basename]
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# @DESCRIPTION:
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# Outputs the URIs for SRC_URI to help fetch dependencies, using a base URI
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# provided as an argument. Optionally allows for distfile renaming via a specified
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# basename.
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#
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# @EXAMPLE:
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# SRC_URI="$(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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echo "
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abi_x86_32? ( $(rust_arch_uri i686-unknown-linux-gnu "$@") )
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abi_x86_64? (
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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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)
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arm? (
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$(rust_arch_uri arm-unknown-linux-gnueabi "$@")
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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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)
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arm64? (
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elibc_glibc? ( $(rust_arch_uri aarch64-unknown-linux-gnu "$@") )
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elibc_musl? ( $(rust_arch_uri aarch64-unknown-linux-musl "$@") )
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)
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ppc? ( $(rust_arch_uri powerpc-unknown-linux-gnu "$@") )
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ppc64? (
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big-endian? ( $(rust_arch_uri powerpc64-unknown-linux-gnu "$@") )
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!big-endian? ( $(rust_arch_uri powerpc64le-unknown-linux-gnu "$@") )
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)
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riscv? (
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elibc_glibc? ( $(rust_arch_uri riscv64gc-unknown-linux-gnu "$@") )
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)
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s390? ( $(rust_arch_uri s390x-unknown-linux-gnu "$@") )
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"
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# Upstream did not gain support for loong until v1.71.0.
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# NOTE: Merge this into the block above after every <1.71.0 version is
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# gone from tree.
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local arg_version="${1##*-}"
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arg_version="${arg_version:-$PV}"
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if ver_test "${arg_version}" -ge 1.71.0; then
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echo "loong? ( $(rust_arch_uri loongarch64-unknown-linux-gnu "$@") )"
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fi
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# until https://github.com/rust-lang/rust/pull/113274 is resolved, there
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# will not be upstream-built mips artifacts
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if ver_test "${arg_version}" -lt 1.72.0; then
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echo "mips? (
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abi_mips_o32? (
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big-endian? ( $(rust_arch_uri mips-unknown-linux-gnu "$@") )
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!big-endian? ( $(rust_arch_uri mipsel-unknown-linux-gnu "$@") )
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)
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abi_mips_n64? (
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big-endian? ( $(rust_arch_uri mips64-unknown-linux-gnuabi64 "$@") )
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!big-endian? ( $(rust_arch_uri mips64el-unknown-linux-gnuabi64 "$@") )
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)
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)"
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fi
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}
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