Rollup merge of #51619 - mksully22:ppc64le_rust, r=alexcrichton
rust: add initial changes to support powerpc64le musl Initial changes to support rustc building on ppc64le with musl. A PR was also submitted to libc component https://github.com/rust-lang/libc/pull/1023 to add changes to libc musl definitions. A PR was submitted on Alpine https://github.com/alpinelinux/aports/pull/4549 with equivalent temporary patches for building on Alpine for now. As a verification test a github project was put together to build ppc64le versions of rustc, rust-stdlib, and cargo on Alpine, https://github.com/mksully22/ppc64le_alpine_rust_1.26.2
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185fb7b77c
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@ -631,6 +631,7 @@ impl Step for Openssl {
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"powerpc-unknown-netbsd" => "BSD-generic32",
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"powerpc64-unknown-linux-gnu" => "linux-ppc64",
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"powerpc64le-unknown-linux-gnu" => "linux-ppc64le",
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"powerpc64le-unknown-linux-musl" => "linux-ppc64le",
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"s390x-unknown-linux-gnu" => "linux64-s390x",
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"sparc-unknown-linux-gnu" => "linux-sparcv9",
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"sparc64-unknown-linux-gnu" => "linux64-sparcv9",
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@ -274,6 +274,7 @@ supported_targets! {
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("powerpc-unknown-linux-gnuspe", powerpc_unknown_linux_gnuspe),
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("powerpc64-unknown-linux-gnu", powerpc64_unknown_linux_gnu),
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("powerpc64le-unknown-linux-gnu", powerpc64le_unknown_linux_gnu),
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("powerpc64le-unknown-linux-musl", powerpc64le_unknown_linux_musl),
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("s390x-unknown-linux-gnu", s390x_unknown_linux_gnu),
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("sparc-unknown-linux-gnu", sparc_unknown_linux_gnu),
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("sparc64-unknown-linux-gnu", sparc64_unknown_linux_gnu),
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@ -0,0 +1,35 @@
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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use spec::{LinkerFlavor, Target, TargetResult};
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pub fn target() -> TargetResult {
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let mut base = super::linux_musl_base::opts();
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base.cpu = "ppc64le".to_string();
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base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
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base.max_atomic_width = Some(64);
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// see #36994
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base.exe_allocation_crate = None;
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Ok(Target {
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llvm_target: "powerpc64le-unknown-linux-musl".to_string(),
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target_endian: "little".to_string(),
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target_pointer_width: "64".to_string(),
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target_c_int_width: "32".to_string(),
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data_layout: "e-m:e-i64:64-n32:64".to_string(),
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arch: "powerpc64".to_string(),
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target_os: "linux".to_string(),
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target_env: "musl".to_string(),
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target_vendor: "unknown".to_string(),
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linker_flavor: LinkerFlavor::Gcc,
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options: base,
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})
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}
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@ -88,6 +88,7 @@ static TARGETS: &'static [&'static str] = &[
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"powerpc-unknown-linux-gnuspe",
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"powerpc64-unknown-linux-gnu",
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"powerpc64le-unknown-linux-gnu",
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"powerpc64le-unknown-linux-musl",
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"s390x-unknown-linux-gnu",
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"sparc-unknown-linux-gnu",
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"sparc64-unknown-linux-gnu",
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