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Signed-off-by: Dirkjan Ochtman <djc@g.o> |
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--- |
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eclass/rust-toolchain.eclass | 120 +++++++++++++++++++++++++++++++++++ |
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1 file changed, 120 insertions(+) |
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create mode 100644 eclass/rust-toolchain.eclass |
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|
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diff --git a/eclass/rust-toolchain.eclass b/eclass/rust-toolchain.eclass |
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new file mode 100644 |
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index 00000000000..d09db264fc3 |
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--- /dev/null |
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+++ b/eclass/rust-toolchain.eclass |
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@@ -0,0 +1,120 @@ |
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+# Copyright 1999-2018 Gentoo Foundation |
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+# Distributed under the terms of the GNU General Public License v2 |
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+ |
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+# @ECLASS: rust-toolchain.eclass |
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+# @MAINTAINER: |
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+# Rust Project <rust@g.o> |
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+# @SUPPORTED_EAPIS: 6 |
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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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+ |
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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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+ |
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+inherit multilib-build |
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+ |
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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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+: ${RUST_TOOLCHAIN_BASEURL:=https://static.rust-lang.org/dist/} |
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+ |
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+# @FUNCTION: rust_abi |
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+# @USAGE: [CHOST-value] |
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+# @DESCRIPTION: |
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+# Outputs the Rust ABI name from a CHOST value, uses CHOST in the |
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+# environment if none is specified. |
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+ |
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+rust_abi() { |
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+ local CTARGET=${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*) echo x86_64-unknown-linux-gnu;; |
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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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+ |
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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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+ |
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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.gz -> ${3}-${1}.tar.gz" |
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+ else |
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+ echo "${RUST_TOOLCHAIN_BASEURL}${2}-${1}.tar.gz" |
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+ fi |
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+} |
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+ |
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+# @FUNCTION: rust_all_arch_uris |
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+# @USAGE <base-uri> [alt-distfile-basename] |
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+# @DESCRIPTION: |
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+# Outputs the URIs for SRC_URI to help fetch dependencies, using a base URI |
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+# provided as an argument. Optionally allows for distfile renaming via a specified |
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+# basename. |
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+# |
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+# @EXAMPLE: |
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+# SRC_URI="$(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+="amd64? ( $(rust_arch_uri x86_64-unknown-linux-gnu "$@") ) " |
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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+="x86? ( $(rust_arch_uri i686-unknown-linux-gnu "$@") ) " |
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+ echo "${uris}" |
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+} |
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-- |
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2.18.1 |